Delist from 303(d) list (TMDL required list)(2018)
Revision Status
Revised
Reason for Delisting:
Applicable WQS attained; reason for recovery unspecified
Impairment from Pollutant or Pollution:
Pollutant
Regional Board Conclusion:
This pollutant is being considered for removal from the section 303(d) list under section 4.1 and 4.6 of the Listing Policy. Under this section a single line of evidence is necessary to assess listing status.
Four lines of evidence are available in the administrative record to assess this pollutant.
Line of Evidence (LOE) 4149, will not be considered in this decision because the LOE is a placeholder LOE and other data is available to assess the water-segment pollutant combination.
Based on the readily available data and information, the weight of evidence indicates that there is sufficient justification for removing this water segment-pollutant combination from the section 303(d) list.
This conclusion is based on the staff findings that: 1. The data used satisfies the data quality requirements of section 6.1.4 of the Policy. 2. The data used satisfies the data quantity requirements of section 6.1.5 of the Policy. 3. Zero of 53 surface sediment samples exceeded the effects range median for chromium in marine sediment and this meets the allowable frequency listed in Table 4.1 of the Listing Policy. 4. 14 of 53 surface sediment samples showed toxicity, however none were associated with elevated chromium levels and this meets the allowable frequency listed in Table 4.1 of the Listing Policy. 5. Pursuant to section 4.11 of the Listing Policy, no additional data and information are available indicating that standards are not met.
Regional Board Decision Recommendation:
This is a decision previously approved by the State Water Resources Control Board and the USEPA. No new data were assessed by the Regional Board for the current cycle. The decision has not changed.
State Board Review of Regional Board Conclusion and Recommendation:
State Board Decision Recommendation:
After review of this Regional Board decision, SWRCB staff recommend the decision be approved by the State Board.
Listing Extent:
Line of Evidence (LOE) for Decision ID 135771, Chromium
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
244540
Pollutant:
Toxicity
LOE Subgroup:
Toxicity
Matrix:
Sediment
Fraction:
None
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
TOXICITY TESTING
Data Used to Assess Water Quality:
0 of the 1 samples collected by Harbor Toxics TMDL Compliance Water Quality for San Pedro Bay Near/Off Shore Zones exhibited toxicity. A sample may have multiple toxicity test results, but will only be counted once. A sample is defined as being collected on the same day and the same location. The following organisms and parameters were utilized for the toxicity tests: Eohaustorius estuarius for Survival, Mytilus galloprovincialis for Normal Development.
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
The sample is toxic when the response of the organisms exposed to the sample is significantly different (worse) than the response of the organisms exposed to the laboratory control based on statistical hypothesis testing. An exceedance is counted when the significant effect code is “Significant; Less Similarity,” which means that the sample result is significantly different than the control result, and the percent effect is greater than the evaluation threshold. The default evaluation threshold is 20% unless otherwise stated.
The samples were collected at monitoring site: SP-SS-20 ( SP-SS-20-East San Pedro Bay ).
Temporal Representation:
The samples were collected between the dates of 2018-08-09 and 2018-08-09.
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135771, Chromium
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246769
Pollutant:
Chromium
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chromium .
Waste discharged to the ocean must be essentially free of... Substances which will accumulate to toxic levels in marine waters, sediments or biota. (Chapter III Section A. 2 (b)(3) of the Ocean Plan)
Data were collected from 1 station(s). Station Code(s): B18-10222 (B18-10222).
Final California 2026 Integrated Report (303(d) List/305(b) Report)
Supporting Information
Regional Board 4 - Los Angeles Region
Water Body Name:
San Pedro Bay Near Off Shore Zones
Water Body ID:
CAB4051200019990921151740
Water Body Type:
Bay & Harbor
DECISION ID
135771
Region 4
San Pedro Bay Near Off Shore Zones
Pollutant:
Chromium
Final Listing Decision:
Delist from 303(d) list (TMDL required list)
Last Listing Cycle's Final Listing Decision:
Delist from 303(d) list (TMDL required list)(2018)
Revision Status
Revised
Reason for Delisting:
Applicable WQS attained; reason for recovery unspecified
Impairment from Pollutant or Pollution:
Pollutant
Regional Board Conclusion:
This pollutant is being considered for removal from the section 303(d) list under section 4.1 and 4.6 of the Listing Policy. Under this section a single line of evidence is necessary to assess listing status.
Four lines of evidence are available in the administrative record to assess this pollutant.
Line of Evidence (LOE) 4149, will not be considered in this decision because the LOE is a placeholder LOE and other data is available to assess the water-segment pollutant combination.
Based on the readily available data and information, the weight of evidence indicates that there is sufficient justification for removing this water segment-pollutant combination from the section 303(d) list.
This conclusion is based on the staff findings that: 1. The data used satisfies the data quality requirements of section 6.1.4 of the Policy. 2. The data used satisfies the data quantity requirements of section 6.1.5 of the Policy. 3. Zero of 53 surface sediment samples exceeded the effects range median for chromium in marine sediment and this meets the allowable frequency listed in Table 4.1 of the Listing Policy. 4. 14 of 53 surface sediment samples showed toxicity, however none were associated with elevated chromium levels and this meets the allowable frequency listed in Table 4.1 of the Listing Policy. 5. Pursuant to section 4.11 of the Listing Policy, no additional data and information are available indicating that standards are not met.
Regional Board Decision Recommendation:
This is a decision previously approved by the State Water Resources Control Board and the USEPA. No new data were assessed by the Regional Board for the current cycle. The decision has not changed.
State Board Review of Regional Board Conclusion and Recommendation:
State Board Decision Recommendation:
After review of this Regional Board decision, SWRCB staff recommend the decision be approved by the State Board.
Listing Extent:
Line of Evidence (LOE) for Decision ID 135771, Chromium
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
244540
Pollutant:
Toxicity
LOE Subgroup:
Toxicity
Matrix:
Sediment
Fraction:
None
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
TOXICITY TESTING
Data Used to Assess Water Quality:
0 of the 1 samples collected by Harbor Toxics TMDL Compliance Water Quality for San Pedro Bay Near/Off Shore Zones exhibited toxicity. A sample may have multiple toxicity test results, but will only be counted once. A sample is defined as being collected on the same day and the same location. The following organisms and parameters were utilized for the toxicity tests: Eohaustorius estuarius for Survival, Mytilus galloprovincialis for Normal Development.
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
The sample is toxic when the response of the organisms exposed to the sample is significantly different (worse) than the response of the organisms exposed to the laboratory control based on statistical hypothesis testing. An exceedance is counted when the significant effect code is “Significant; Less Similarity,” which means that the sample result is significantly different than the control result, and the percent effect is greater than the evaluation threshold. The default evaluation threshold is 20% unless otherwise stated.
The samples were collected at monitoring site: SP-SS-20 ( SP-SS-20-East San Pedro Bay ).
Temporal Representation:
The samples were collected between the dates of 2018-08-09 and 2018-08-09.
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135771, Chromium
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246769
Pollutant:
Chromium
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chromium .
Waste discharged to the ocean must be essentially free of... Substances which will accumulate to toxic levels in marine waters, sediments or biota. (Chapter III Section A. 2 (b)(3) of the Ocean Plan)
The Basin Plan states that, "[s]urface waters shall not contain concentrations of chemical constituents in amounts that adversely affect any designated beneficial use."
Several state sponsored studies were collecting sediment samples in San Pedro Bay near/off shore zones, including BPTCP 1992-94, BPTCP 1996-97; Bight 1998; Bight 2003.
Temporal Representation:
Composite surface sediment samples were taken and analyzed during spring/summer/fall.
Environmental Conditions:
QAPP Information:
Data was collected in compliance with the sampling and monitoring procedures detailed in Bay Protection Toxics Clean Program, Bight 1998, and Bight 2003 Quality Assurance Manual.
The Basin Plan states that, "[s]urface waters shall not contain concentrations of chemical constituents in amounts that adversely affect any designated beneficial use."
Several state sponsored studies were collecting sediment samples in San Pedro Bay near/off shore zones, including BPTCP 1992-94, BPTCP 1996-97; Bight 1998; Bight 2003.
Temporal Representation:
Composite surface sediment samples were taken and analyzed during spring/summer/fall.
Environmental Conditions:
QAPP Information:
Data was collected in compliance with the sampling and monitoring procedures detailed in Bay Protection Toxics Clean Program, Bight 1998, and Bight 2003 Quality Assurance Manual.
The Basin Plan states that, "[a]ll waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in human, plant, animal, or aquatic life."
Bay et. al. classifies sediment toxicity based on the following survival percentages: Non toxic if greater than or equal to 80% survival; moderately toxic if between 50 to 80% survival; and highly toxic if less than 50% survival.
The Basin Plan states that, "[a]ll waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in human, plant, animal, or aquatic life."
Bay et. al. classifies sediment toxicity based on the following survival percentages: Non toxic if greater than or equal to 80% survival; moderately toxic if between 50 to 80% survival; and highly toxic if less than 50% survival.
A total of three stations were monitored in the San Pedro Bay near/off shore zones which include the following stations:
4066 (Lat: 33.74137, Long: -118.11663),
4274 (Lat: 33.7282833333, Long: -118.157083333), and
4408 (Lat: 33.75495, Long: -118.163533333).
Temporal Representation:
Composite surface sediment samples were taken on 07/21/2003 for station 4066, on 07/16/2003 and 08/07/2003 for stations 4098 and 4274.
Environmental Conditions:
QAPP Information:
Data was collected in compliance with the sampling and monitoring procedures detailed in Southern California Bight 2003 Regional Marine Monitoring Survey Quality Assurance Manual.
Line of Evidence (LOE) for Decision ID 135771, Chromium
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
102
Pollutant:
Sediment Toxicity
LOE Subgroup:
Toxicity
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
50
Number of Exceedances:
13
Data and Information Type:
Toxicity testing of sediments
Data Used to Assess Water Quality:
Overall, thirteen of 50 samples were toxic. This total was created from several different sediment studies within San Pedro Bay. Eleven of 33 samples were toxic (BPTCP). Two of 14 samples were toxic (Bight, 1998). None of three samples were toxic (W-EMAP) (LARWQCB & CCC, 2004).
Los Angeles RWQCB Basin Plan: All waters should be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological response in, human, plant, animal, or aquatic life.
Samples were considered toxic if (1) there was a significant difference in mean organism response between the sample and the control, and (2) the mean organism response in the test, as a percent of the control, was less than the threshold based on the 90th percentile minimum significant difference value.
Fifty sites were sampled throughout San Pedro Bay.
Temporal Representation:
Samples were collected in 1992, 1994, 1996, 1998 and 1999.
Environmental Conditions:
QAPP Information:
Contaminated Sediment Task Force (2005) and references therein (BPTCP QAPP, Bight aterboards.ca.gov/water_issues/programs/tmdl/records/region_4/2009/ref3105.pdf" >Southern California Bight 1998 Regional Monitoring Program. Volume IV. Sediment Toxicity.
Spatial Representation:
A total of three stations were monitored in the San Pedro Bay near/off shore zones which include the following stations:
4066 (Lat: 33.74137, Long: -118.11663),
4274 (Lat: 33.7282833333, Long: -118.157083333), and
4408 (Lat: 33.75495, Long: -118.163533333).
Temporal Representation:
Composite surface sediment samples were taken on 07/21/2003 for station 4066, on 07/16/2003 and 08/07/2003 for stations 4098 and 4274.
Environmental Conditions:
QAPP Information:
Data was collected in compliance with the sampling and monitoring procedures detailed in Southern California Bight 2003 Regional Marine Monitoring Survey Quality Assurance Manual.
Line of Evidence (LOE) for Decision ID 135771, Chromium
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
102
Pollutant:
Sediment Toxicity
LOE Subgroup:
Toxicity
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
50
Number of Exceedances:
13
Data and Information Type:
Toxicity testing of sediments
Data Used to Assess Water Quality:
Overall, thirteen of 50 samples were toxic. This total was created from several different sediment studies within San Pedro Bay. Eleven of 33 samples were toxic (BPTCP). Two of 14 samples were toxic (Bight, 1998). None of three samples were toxic (W-EMAP) (LARWQCB & CCC, 2004).
Los Angeles RWQCB Basin Plan: All waters should be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological response in, human, plant, animal, or aquatic life.
Samples were considered toxic if (1) there was a significant difference in mean organism response between the sample and the control, and (2) the mean organism response in the test, as a percent of the control, was less than the threshold based on the 90th percentile minimum significant difference value.
Fifty sites were sampled throughout San Pedro Bay.
Temporal Representation:
Samples were collected in 1992, 1994, 1996, 1998 and 1999.
Environmental Conditions:
QAPP Information:
Contaminated Sediment Task Force (2005) and references therein (BPTCP QAPP, Bight 98 QAPP, EMAP 1999 QAPP).
QAPP Information Reference(s):
Line of Evidence (LOE) for Decision ID 135771, Chromium
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246763
Pollutant:
Chromium
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chromium .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135771, Chromium
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246978
Pollutant:
Chromium
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chromium .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135771, Chromium
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246763
Pollutant:
Chromium
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chromium .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135771, Chromium
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246978
Pollutant:
Chromium
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chromium .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135771, Chromium
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246991
Pollutant:
Chromium
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chromium .
Waste discharged to the ocean must be essentially free of... Substances which will accumulate to toxic levels in marine waters, sediments or biota. (Chapter III Section A. 2 (b)(3) of the Ocean Plan)
Line of Evidence (LOE) for Decision ID 135771, Chromium
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246991
Pollutant:
Chromium
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chromium .
Waste discharged to the ocean must be essentially free of... Substances which will accumulate to toxic levels in marine waters, sediments or biota. (Chapter III Section A. 2 (b)(3) of the Ocean Plan)
Line of Evidence (LOE) for Decision ID 135771, Chromium
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
247107
Pollutant:
Chromium
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chromium .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135771, Chromium
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246902
Pollutant:
Chromium
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
247107
Pollutant:
Chromium
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chromium .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135771, Chromium
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246902
Pollutant:
Chromium
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chromium .
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chromium .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135771, Chromium
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246913
Pollutant:
Chromium
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chromium .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
The evaluation guideline for chromium is the effects range median (ERM) valueia Environmental Data Exchange Network assembled for the 2024 Integrated Report in Region 4.
SWAMP Data:
Non-SWAMP
Water Quality Objective/Criterion:
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135771, Chromium
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246913
Pollutant:
Chromium
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chromium .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-19 (SP-SS-19-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Data were collected from 1 station(s). Station Code(s): SP-SS-19 (SP-SS-19-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135771, Chromium
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246701
Pollutant:
Chromium
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chromium .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135771, Chromium
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246925
Pollutant:
Chromium
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chromium .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135771, Chromium
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246930
Pollutant:
Chromium
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chromium .
Line of Evidence (LOE) for Decision ID 135771, Chromium
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246701
Pollutant:
Chromium
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chromium .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135771, Chromium
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246925
Pollutant:
Chromium
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chromium .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135771, Chromium
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246930
Pollutant:
Chromium
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chromium .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data we valign="top" width="67%">All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135771, Chromium
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
247275
Pollutant:
Chromium
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chromium .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135771, Chromium
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
247298
Pollutant:
Chromium
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chromium .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135771, Chromium
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246745
Pollutant:
Chromium
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 ofre collected from 1 station(s). Station Code(s): B18-10417 (B18-10417).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-07-26 to 2018-07-26
Environmental Conditions:
QAPP Information:
SWRCB. 2018. This is a placeholder reference for data that was collected after QAPP requirements were developed, but exempt from the requirements.
Line of Evidence (LOE) for Decision ID 135771, Chromium
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
247275
Pollutant:
Chromium
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chromium .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135771, Chromium
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246749
Pollutant:
Chromium
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chromium .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-20 (SP-SS-20-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chromium .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135771, Chromium
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246745
Pollutant:
Chromium
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chromium .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135771, Chromium
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246749
Pollutant:
Chromium
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chromium .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-20 (SP-SS-20-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135771, Chromium
Region 4 &n>
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135771, Chromium
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
247078
Pollutant:
Chromium
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chromium .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-18 (SP-SS-18-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135771, Chromium
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246864
Pollutant:
Chromium
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
San Pedro Bay Near Off Shore Zones
LOE ID:
247078
Pollutant:
Chromium
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chromium .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-18 (SP-SS-18-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135771, Chromium
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246864
Pollutant:
Chromium
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chromium .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135771, Chromium
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246970
Pollutant:
Chromium
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chromium .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chromium .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135771, Chromium
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246970
Pollutant:
Chromium
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chromium .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135771, Chromium
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
247083
Pollutant:
Chromium
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chromium .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135771, Chromium
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
244528
Pollutant:
Toxicity
LOE Subgroup:
Toxicity
Matrix:
Sediment
Fraction:
None
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
TOXICITY TESTING
Data Used to Assess Water Quality:
0 of the 1 samples collected by Harbor Toxics TMDL Compliance Water Quality for San Pedro Bay Near/Off Shore Zones exhibited toxicity. A sample may have multiple toxicity test results, but will only be counted once. A sample is defined as being collected on the same day and the same location. The following organisms and parameters were utilized for the toxicity tests: Mytilus galloprovincialis for Normal Development, Eohaustorius estuarius for Survival.
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
The sample is toxic when the response of the organisms exposed to the sample is significantly different (worse) than the response of the organisms exposed to the laboratory control based on statistical hypothesis testing. An exceedance is counted when the significant effect code is “Significant; Less Similarity,” which means that the sample result is significantly different than the control result, and the percent effect is greater than the evaluation threshold. The default evaluation threshold is 20% unless otherwise stated.
The samples were collected at monitoring site: SP-SS-18 ( SP-SS-18-East San Pedro Bay ).
Temporal Representation:
The samples were collected between the dates of 2018-08-09 and 2018-08-09.
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
ef="https://www.waterboards.ca.gov/water_issues/programs/tmdl/records/state_board/2006/ref4.pdf" >Incidence of adverse biological effects within ranges of chemical concentrations in marine and estuary sediments. Environmental Management. 19, (1): 81-97
Spatial Representation:
Data were collected from 1 station(s). Station Code(s): B13-9245 (B13-9245 OpenwaterStation).
Temporal Representation:
Data for this waterbody were collected over the date range 2013-07-11 to 2013-07-11
Environmental Conditions:
QAPP Information:
SWRCB. 2018. This is a placeholder reference for data that was collected after QAPP requirements were developed, but exempt from the requirements.
Line of Evidence (LOE) for Decision ID 135771, Chromium
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
247083
Pollutant:
Chromium
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chromium .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135771, Chromium
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
244528
Pollutant:
Toxicity
LOE Subgroup:
Toxicity
Matrix:
Sediment
Fraction:
None
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
TOXICITY TESTING
Data Used to Assess Water Quality:
0 of the 1 samples collected by Harbor Toxics TMDL Compliance Water Quality for San Pedro Bay Near/Off Shore Zones exhibited toxicity. A sample may have multiple toxicity test results, but will only be counted once. A sample is defined as being collected on the same day and the same location. The following organisms and parameters were utilized for the toxicity tests: Mytilus galloprovincialis for Normal Development, Eohaustorius estuarius for Survival.
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
The sample is toxic when the response of the organisms exposed to the sample is significantly different (worse) than the response of the organisms exposed to the laboratory control based on statistical hypothesis testing. An exceedance is counted when the significant effect code is “Significant; Less Similarity,” which means that the sample result is significantly different than the control result, and the percent effect is greater than the evaluation threshold. The default evaluation threshold is 20% unless otherwise stated.
The samples were collected at monitoring site: SP-SS-18 ( SP-SS-18-East San Pedro Bay ).
Temporal Representation:
The samples were collected between the dates of 2018-08-09 and 2018-08-09.
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Delist from 303(d) list (being addressed by USEPA approved TMDL)
Last Listing Cycle's Final Listing Decision:
Delist from 303(d) list (TMDL required list)(2018)
Revision Status
Revised
Reason for Delisting:
Applicable WQS attained; reason for recovery unspecified
TMDL Name:
Dominguez, LA/LB Harbors, San Pedro Bay Metals (75 & 78), toxics(73a) and PAHs (74)
TMDL Project Code:
416
Date TMDL Approved by USEPA:
03/23/2012
Impairment from Pollutant or Pollution:
Pollutant
Regional Board Conclusion:
This pollutant is being considered for placement on the section 303(d) list under section 3.1, 3.5 and 3.6 of the Listing Policy. Under section 3.6 at least two lines of evidence are necessary to assess listing status for pollutants sediment, and pollutant concentrations in sediment must be associated with sediment toxicity to justify adding that pollutant to the CWA section 303(d) List.
Two lines of evidence are available in the administrative record to assess this pollutant.
Line of Evidence (LOE) 4151, will not be considered in this decision because the LOE is a placeholder LOE and other data is available to assess the water-segment pollutant combination.
Based on the readily available data and information, the weight of evidence indicates that there is sufficient justification for removing this water segment-pollutant combination from the section 303(d) list.
This conclusion is based on the staff findings that: 1. The data used satisfies the data quality requirements of section 6.1.4 of the Policy. 2. The data used satisfies the data quantity requirements of section 6.1.5 of the Policy. 3. Zero of 81 surface sediment samples exceeded the the sediment quality guidelines for total PAHs in marine sediment and this meets the allowable frequency listed in Table 3.1 of the Listing Policy. 4. 0 of 1 sample exceeds the guideline for PAHs in shellfish tissue and this is insufficient to determine beneficial use support for this waterbody-pollutant combination with the statistical power and confidence required by the Listing Policy. A minimum of 16 samples is needed to determine if a beneficial use is fully supported using Table 3.1. 5. Pursuant to section 3.11 of the Listing Policy, no additional data and information are available indicating that standards are not met.
Regional Board Decision Recommendation:
After review of the available data and information, RWQCB staff concludes that the water body-pollutant combination should be removed from the section 303(d) list because applicable water quality standards for the pollutant are not being exceeded.
State Board Review of Regional Board Conclusion and Recommendation:
State Board Decision Recommendation:
After review of this Regional Board decision, SWRCB staff recommend the decision be approved by the State Board.
Listing Extent:
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249230
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
DECISION ID
149850
Region 4
San Pedro Bay Near Off Shore Zones
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
Final Listing Decision:
Delist from 303(d) list (being addressed by USEPA approved TMDL)
Last Listing Cycle's Final Listing Decision:
Delist from 303(d) list (TMDL required list)(2018)
Revision Status
Revised
Reason for Delisting:
Applicable WQS attained; reason for recovery unspecified
TMDL Name:
Dominguez, LA/LB Harbors, San Pedro Bay Metals (75 & 78), toxics(73a) and PAHs (74)
TMDL Project Code:
416
Date TMDL Approved by USEPA:
03/23/2012
Impairment from Pollutant or Pollution:
Pollutant
Regional Board Conclusion:
This pollutant is being considered for placement on the section 303(d) list under section 3.1, 3.5 and 3.6 of the Listing Policy. Under section 3.6 at least two lines of evidence are necessary to assess listing status for pollutants sediment, and pollutant concentrations in sediment must be associated with sediment toxicity to justify adding that pollutant to the CWA section 303(d) List.
Two lines of evidence are available in the administrative record to assess this pollutant.
Line of Evidence (LOE) 4151, will not be considered in this decision because the LOE is a placeholder LOE and other data is available to assess the water-segment pollutant combination.
Based on the readily available data and information, the weight of evidence indicates that there is sufficient justification for removing this water segment-pollutant combination from the section 303(d) list.
This conclusion is based on the staff findings that: 1. The data used satisfies the data quality requirements of section 6.1.4 of the Policy. 2. The data used satisfies the data quantity requirements of section 6.1.5 of the Policy. 3. Zero of 81 surface sediment samples exceeded the the sediment quality guidelines for total PAHs in marine sediment and this meets the allowable frequency listed in Table 3.1 of the Listing Policy. 4. 0 of 1 sample exceeds the guideline for PAHs in shellfish tissue and this is insufficient to determine beneficial use support for this waterbody-pollutant combination with the statistical power and confidence required by the Listing Policy. A minimum of 16 samples is needed to determine if a beneficial use is fully supported using Table 3.1. 5. Pursuant to section 3.11 of the Listing Policy, no additional data and information are available indicating that standards are not met.
Regional Board Decision Recommendation:
After review of the available data and information, RWQCB staff concludes that the water body-pollutant combination should be removed from the section 303(d) list because applicable water quality standards for the pollutant are not being exceeded.
State Board Review of Regional Board Conclusion and Recommendation:
State Board Decision Recommendation:
After review of this Regional Board decision, SWRCB staff recommend the decision be approved by the State Board.
Listing Extent:
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249230
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Low molecular weight PAHs .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250235
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for PAHs (Polycyclic Aromatic Hydrocarbons) .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Low molecular weight PAHs .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250235
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for PAHs (Polycyclic Aromatic Hydrocarbons) .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250257
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for PAHs (Polycyclic Aromatic Hydrocarbons) .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250257
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for PAHs (Polycyclic Aromatic Hydrocarbons) .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249026
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for High molecular weight PAHs .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249345
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Low molecular weight PAHs .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Objective/Criterion Reference:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for High molecular weight PAHs .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249345
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Low molecular weight PAHs .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249359
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Low molecular weight PAHs .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249924
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for PAHs (Polycyclic Aromatic Hydrocarbons) .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250358
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for PAHs (Polycyclic Aromatic Hydrocarbons) .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250061
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for PAHs (Polycyclic Aromatic Hydrocarbons) .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249359
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Low molecular weight PAHs .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249924
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for PAHs (Polycyclic Aromatic Hydrocarbons) .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250358
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for PAHs (Polycyclic Aromatic Hydrocarbons) .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250061
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for PAHs (Polycyclic Aromatic Hydrocarbons) .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
248681
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for High molecular weight PAHs .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
248681
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for High molecular weight PAHs .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249045
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for High molecular weight PAHs .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
248835
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for High molecular weight PAHs .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249337
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Low molecular weight PAHs .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for High molecular weight PAHs .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
248835
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for High molecular weight PAHs .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
The evaluation guideline for high molecular weight PAH's is 9600 ng/g dry weight (Long et al., 1995).
San Pedro Bay Near Off Shore Zones
LOE ID:
250338
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for PAHs (Polycyclic Aromatic Hydrocarbons) .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250129
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for PAHs (Polycyclic Aromatic Hydrocarbons) .
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249337
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Low molecular weight PAHs .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250338
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for PAHs (Polycyclic Aromatic Hydrocarbons) .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250129
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for PAHs (Polycyclic Aromatic Hydrocarbons) .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249141
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Low molecular weight PAHs .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250065
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for PAHs (Polycyclic Aromatic Hydrocarbons) .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249419
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Water Quality Objective/Criterion:
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249141
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Low molecular weight PAHs .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250065
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for PAHs (Polycyclic Aromatic Hydrocarbons) .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249419
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Low molecular weight PAHs .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250088
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for PAHs (Polycyclic Aromatic Hydrocarbons) .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
248993
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for High molecular weight PAHs .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
248790
Pollutant:
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Low molecular weight PAHs .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250088
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for PAHs (Polycyclic Aromatic Hydrocarbons) .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for High molecular weight PAHs .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249017
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for High molecular weight PAHs .
Waste discharged to the ocean must be essentially free of... Substances which will accumulate to toxic levels in marine waters, sediments or biota. (Chapter III Section A. 2 (b)(3) of the Ocean Plan)
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
244540
Pollutant:
Toxicity
LOE Subgroup:
Toxicity
Matrix:
Sediment
Fraction:
None
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
TOXICITY TESTING
Data Used to Assess Water Quality:
0 of the 1 samples collected by Harbor Toxics TMDL Compliance Water Quality for San Pedro Bay Near/Off Shore Zones exhibited toxicity. A sample may have multiple toxicity test results, but will only be counted once. A sample is defined as being collected on the same day and the same location. The following organisms and parameters were utilized for the toxicity tests: Eohaustorius estuarius for Survival, Mytilus galloprovincialis for Normal Development.
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
The sample is toxic when the response of the organisms exposed to the sample is significantly different (worse) than the response of the organisms exposed to the laboratory control based on statistical hypothesis testing. An exceedance is counted when the significant effect code is “Significant; Less Similarity,” which means that the sample result is significantly different than the control result, and the percent effect is greater than the evaluation threshold. The default evaluation threshold is 20% unless otherwise stated.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
248993
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for High molecular weight PAHs .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
248790
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for High molecular weight PAHs .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249017
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for High molecular weight PAHs .
Waste discharged to the ocean must be essentially free of... Substances which will accumulate to toxic levels in marine waters, sediments or biota. (Chapter III Section A. 2 (b)(3) of the Ocean Plan)
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
244540
Pollutant:
Toxicity
LOE Subgroup:
Toxicity
Matrix:
Sediment
Fraction:
None
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
TOXICITY TESTING
Data Used to Assess Water Quality:
0 of the 1 samples collected by Harbor Toxics TMDL Compliance Water Quality for San Pedro Bay Near/Off Shore Zones exhibited toxicity. A sample may have multiple toxicity test results, but will only be counted once. A sample is defined as being collected on the same day and the same location. The following organisms and parameters were utilized for the toxicity tests: Eohaustorius estuarius for Survival, Mytilus galloprovincialis for Normal Development.
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
The sample is toxic when the response of the organisms exposed to the sample is significantly different (worse) than the response of the organisms exposed to the laboratory control based on statistical hypothesis testing. An exceedance is counted when the significant effect code is “Significant; Less Similarity,” which means that the sample result is significantly different than the control result, and the percent effect is greater than the evaluation threshold. The default evaluation threshold is 20% unless otherwise stated.
The samples were collected at monitoring site: SP-SS-20 ( SP-SS-20-East San Pedro Bay ).
Temporal Representation:
The samples were collected between the dates of 2018-08-09 and 2018-08-09.
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
244528
Pollutant:
Toxicity
LOE Subgroup:
Toxicity
Matrix:
Sediment
Fraction:
None
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
TOXICITY TESTING
Data Used to Assess Water Quality:
0 of the 1 samples collected by Harbor Toxics TMDL Compliance Water Quality for San Pedro Bay Near/Off Shore Zones exhibited toxicity. A sample may have multiple toxicity test results, but will only be counted once. A sample is defined as being collected on the same day and the same location. The following organisms and parameters were utilized for the toxicity tests: Mytilus galloprovincialis for Normal Development, Eohaustorius estuarius for Survival.
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
The sample is toxic when the response of the organisms exposed to the sample is significantly different (worse) than the response of the organisms exposed to the laboratory control based on statistical hypothesis testing. An exceedance is counted when the significant effect code is “Significant; Less Similarity,” which means that the sample result is significantly different than the control result, and the percent effect is greater than the evaluation threshold. The default evaluation threshold is 20% unless otherwise stated.
The samples were collected at monitoring site: SP-SS-18 ( SP-SS-18-East San Pedro Bay ).
Temporal Representation:
The samples were collected between the dates of 2018-08-09 and 2018-08-09.
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
244538
Pollutant:
Toxicity
LOE Subgroup:
Toxicity
Matrix:
Sediment
Fraction:
None
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
TOXICITY TESTING
Data Used to Assess Water Quality:
0 of the 1 samples collected by Harbor Toxics TMDL Compliance Water Quality for San Pedro Bay Near/Off Shore Zones exhibited toxicity. A sample may have multiple toxicity test results, but will only be counted once. A sample is defined as being collected on the same day and the same location. The following organisms and parameters were utilized for the toxicity tests: Mytilus galloprovincialis for Normal Development, Eohaustorius estuarius for Survival.
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
The sample is toxic when the response of the organisms exposed to the sample is significantly different (worse) than the response of the organisms exposed to the laboratory control based on statistical hypothesis testing. An exceedance is counted when the significant effect code is “Significant; Less Similarity,” which means that the sample result is significantly different than the control result, and the percent effect is greater than the evaluation threshold. The default evaluation threshold is 20% unless otherwise stated.
The samples were collected at monitoring site: SP-SS-19 ( SP-SS-19-East San Pedro Bay ).
Temporal Representation:
The samples were collected between the dates of 2018-08-09 and 2018-08-09.
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
28530
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Aquatic Life Use:
Preservation of Rare & Endangered Species
Number of Samples:
27
Number of Exceedances:
0
Data and Information Type:
Toxicity testing of sediments
Data Used to Assess Water Quality:
Zero of 27 samples exceeded the effects range medium for high molecular weight PAHs, probable effects level for low molecular weight PAHs, and the sediment quality guidelines for total PAHs in marine sediment.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
244528
Pollutant:
Toxicity
LOE Subgroup:
Toxicity
Matrix:
Sediment
Fraction:
None
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
TOXICITY TESTING
Data Used to Assess Water Quality:
0 of the 1 samples collected by Harbor Toxics TMDL Compliance Water Quality for San Pedro Bay Near/Off Shore Zones exhibited toxicity. A sample may have multiple toxicity test results, but will only be counted once. A sample is defined as being collected on the same day and the same location. The following organisms and parameters were utilized for the toxicity tests: Mytilus galloprovincialis for Normal Development, Eohaustorius estuarius for Survival.
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
The sample is toxic when the response of the organisms exposed to the sample is significantly different (worse) than the response of the organisms exposed to the laboratory control based on statistical hypothesis testing. An exceedance is counted when the significant effect code is “Significant; Less Similarity,” which means that the sample result is significantly different than the control result, and the percent effect is greater than the evaluation threshold. The default evaluation threshold is 20% unless otherwise stated.
The samples were collected at monitoring site: SP-SS-18 ( SP-SS-18-East San Pedro Bay ).
Temporal Representation:
The samples were collected between the dates of 2018-08-09 and 2018-08-09.
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
The Basin Plan states that, "[s]urface waters shall not contain concentrations of chemical constituents in amounts that adversely affect any designated beneficial use."
Long et. al. lists a sediment effects range median of 9,600 ng/g dry weight for high molecular weight PAHs. Macdonald et al. lists a probable effects level of 1,444 ng/g dry weight for low molecular weight PAHs. Fairey et. al. lists a sediment quality guidelines of 1,800 ug/g for total PAHs.
Several state sponsored studies were collecting sediment samples in San Pedro Bay near/off shore zones, including BPTCP 1992-94, BPTCP 1996-97; Bight 1998; Bight 2003.
Temporal Representation:
Composite surface sediment samples were taken and analyzed during spring/summer/fall.
Environmental Conditions:
QAPP Information:
Data was collected in compliance with the sampling and monitoring procedures detailed in Bay Protection Toxics Clean Program, Bight 1998, and Bight 2003 Quality Assurance Manual.
0 of the 1 samples collected by Harbor Toxics TMDL Compliance Water Quality for San Pedro Bay Near/Off Shore Zones exhibited toxicity. A sample may have multiple toxicity test results, but will only be counted once. A sample is defined as being collected on the same day and the same location. The following organisms and parameters were utilized for the toxicity tests: Mytilus galloprovincialis for Normal Development, Eohaustorius estuarius for Survival.
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
The sample is toxic when the response of the organisms exposed to the sample is significantly different (worse) than the response of the organisms exposed to the laboratory control based on statistical hypothesis testing. An exceedance is counted when the significant effect code is “Significant; Less Similarity,” which means that the sample result is significantly different than the control result, and the percent effect is greater than the evaluation threshold. The default evaluation threshold is 20% unless otherwise stated.
The samples were collected at monitoring site: SP-SS-19 ( SP-SS-19-East San Pedro Bay ).
Temporal Representation:
The samples were collected between the dates of 2018-08-09 and 2018-08-09.
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
28530
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Aquatic Life Use:
Preservation of Rare & Endangered Species
Number of Samples:
27
Number of Exceedances:
0
Data and Information Type:
Toxicity testing of sediments
Data Used to Assess Water Quality:
Zero of 27 samples exceeded the effects range medium for high molecular weight PAHs, probable effects level for low molecular weight PAHs, and the sediment quality guidelines for total PAHs in marine sediment.
The Basin Plan states that, "[s]urface waters shall not contain concentrations of chemical constituents in amounts that adversely affect any designated beneficial use."
Long et. al. lists a sediment effects range median of 9,600 ng/g dry weight for high molecular weight PAHs. Macdonald et al. lists a probable effects level of 1,444 ng/g dry weight for low molecular weight PAHs. Fairey et. al. lists a sediment quality guidelines of 1,800 ug/g for total PAHs.
Several state sponsored studies were collecting sediment samples in San Pedro Bay near/off shore zones, including BPTCP 1992-94, BPTCP 1996-97; Bight 1998; Bight 2003.
Temporal Representation:
Composite surface sediment samples were taken and analyzed during spring/summer/fall.
Environmental Conditions:
QAPP Information:
Data was collected in compliance with the sampling and monitoring procedures detailed in Bay Protection Toxics Clean Program, Bight 1998, and Bight 2003 Quality Assurance Manual.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
88059
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Tissue
Matrix:
Tissue
Fraction:
Shellfish
Beneficial Use:
Shellfish Harvesting
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
Shellfish surveys
Data Used to Assess Water Quality:
The sample did not exceed the guideline. Data were reported on a dry weight basis and were converted to a wet weight basis by multiplying the dry-weight concentration by a factor of 1 minus the percentage of moisture content expressed as a decimal. The total PAHs were calculated as the potency equivalency concentration or the sum of the toxic equivalency factors multiplied by the concentrations of: Acenaphthene, Acenaphthylene, Anthracene, Benz[a]anthracene, Benzo[a]pyrene, Benzo[b]fluoranthene, Benzo[g,h,i]perylene, Benzo[k]fluoranthene, Dibenzo[a,h]anthracene, Chrysene, Fluoranthene, Fluorene, Indeno[1,2,3-c,d]pyrene, Phenanthrene, and Pyrene.
Toxic pollutants shall not be present at levels that will bioaccumulate in aquatic life to levels which are harmful to aquatic life or human health. No individual pesticide or combination of pesticides shall be present in concentrations that adversely affect beneficial uses. There shall be no bioaccumulation of pesticide concentrations found in bottom sediments or aquatic life.
The modified OEHHA Fish Contaminant Goal for polycyclic aromatic hydrocarbons in shellfish tissue is 1.1 ppb. This screening level assumes an average body weight of 70 kg and a consumption rate of 21 g/day for a 30 year exposure over a 70-year lifetime. This constituent is a carcinogen therefore the risk level is set to one in a million. (Brodberg, R.K., and G.A. Pollock, 1999; Klasing, S., and R. Brodberg, 2008; USEPA, 2000)
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
88059
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Tissue
Matrix:
Tissue
Fraction:
Shellfish
Beneficial Use:
Shellfish Harvesting
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
Shellfish surveys
Data Used to Assess Water Quality:
The sample did not exceed the guideline. Data were reported on a dry weight basis and were converted to a wet weight basis by multiplying the dry-weight concentration by a factor of 1 minus the percentage of moisture content expressed as a decimal. The total PAHs were calculated as the potency equivalency concentration or the sum of the toxic equivalency factors multiplied by the concentrations of: Acenaphthene, Acenaphthylene, Anthracene, Benz[a]anthracene, Benzo[a]pyrene, Benzo[b]fluoranthene, Benzo[g,h,i]perylene, Benzo[k]fluoranthene, Dibenzo[a,h]anthracene, Chrysene, Fluoranthene, Fluorene, Indeno[1,2,3-c,d]pyrene, Phenanthrene, and Pyrene.
Toxic pollutants shall not be present at levels that will bioaccumulate in aquatic life to levels which are harmful to aquatic life or human health. No individual pesticide or combination of pesticides shall be present in concentrations that adversely affect beneficial uses. There shall be no bioaccumulation of pesticide concentrations found in bottom sediments or aquatic life.
The modified OEHHA Fish Contaminant Goal for polycyclic aromatic hydrocarbons in shellfish tissue is 1.1 ppb. This screening level assumes an average body weight of 70 kg and a consumption rate of 21 g/day for a 30 year exposure over a 70-year lifetime. This constituent is a carcinogen therefore the risk level is set to one in a million. (Brodberg, R.K., and G.A. Pollock, 1999; Klasing, S., and R. Brodberg, 2008; USEPA, 2000)
Samples are collected by hand from three sub-locations for each site. The composite sample was collected from Long Beach Breakwater, site LBBW.
Temporal Representation:
Representative samples of locally abundant species were collected during the winter on 3/4/2008
Environmental Conditions:
QAPP Information:
Samples were collected as part of the State Water Board's Mussel Watch Program which is a part of the National Oceanic Administration's (NOAAs) National Status and Trends (NS&T). Mussels are shipped to NOAAs contract labs for analysis of trace constituents and mussel condition. Analytical protocols follow those approved by NOAAs NS&T Program Additional background information can be found at:
http://ccma.nos.noaa.gov/stressors/pollution/nsandt/
QAPP Information Reference(s):
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
28516
Pollutant:
Sediment Toxicity
LOE Subgroup:
Toxicity
Matrix:
Sediment
Fraction:
None
Beneficial Use:
Marine Habitat
Aquatic Life Use:
Preservation of Rare & Endangered Species
Number of Samples:
3
Number of Exceedances:
1
Data and Information Type:
Toxicity testing of sediments
Data Used to Assess Water Quality:
One of three sediment samples were deemed moderately toxic.
The Basin Plan states that, "[a]ll waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in human, plant, animal, or aquatic life."
Bay et. al. classifies sediment toxicity based on the following survival percentages: Non toxic if greater than or equal to 80% survival; moderately toxic if between 50 to 80% survival; and highly toxic if less than 50% survival.
A total of three stations were monitored in the San Pedro Bay near/off shore zones which include the following stations:
4066 (Lat: 33.74137, Long: -118.11663),
4274 (Lat: 33.7282833333, Long: -118.157083333), and
4408 (Lat: 33.75495, Long: -118.163533333).
Temporal Representation:
Composite surface sediment samples were taken on 07/21/2003 for station 4066, on 07/16/2003 and 08/07/2003 for stations 4098 and 4274.
Environmental Conditions:
QAPP Information:
Data was collected in compliance with the sampling and monitoring procedures detailed in Southern California Bight 2003 Regional Marine Monitoring Survey Quality Assurance Manual.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
102
Pollutant:
Sediment Toxicity
LOE Subgroup:
Toxicity
Matrix:
QAPP Information:
Samples were collected as part of the State Water Board's Mussel Watch Program which is a part of the National Oceanic Administration's (NOAAs) National Status and Trends (NS&T). Mussels are shipped to NOAAs contract labs for analysis of trace constituents and mussel condition. Analytical protocols follow those approved by NOAAs NS&T Program Additional background information can be found at:
http://ccma.nos.noaa.gov/stressors/pollution/nsandt/
QAPP Information Reference(s):
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
28516
Pollutant:
Sediment Toxicity
LOE Subgroup:
Toxicity
Matrix:
Sediment
Fraction:
None
Beneficial Use:
Marine Habitat
Aquatic Life Use:
Preservation of Rare & Endangered Species
Number of Samples:
3
Number of Exceedances:
1
Data and Information Type:
Toxicity testing of sediments
Data Used to Assess Water Quality:
One of three sediment samples were deemed moderately toxic.
The Basin Plan states that, "[a]ll waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in human, plant, animal, or aquatic life."
Bay et. al. classifies sediment toxicity based on the following survival percentages: Non toxic if greater than or equal to 80% survival; moderately toxic if between 50 to 80% survival; and highly toxic if less than 50% survival.
A total of three stations were monitored in the San Pedro Bay near/off shore zones which include the following stations:
4066 (Lat: 33.74137, Long: -118.11663),
4274 (Lat: 33.7282833333, Long: -118.157083333), and
4408 (Lat: 33.75495, Long: -118.163533333).
Temporal Representation:
Composite surface sediment samples were taken on 07/21/2003 for station 4066, on 07/16/2003 and 08/07/2003 for stations 4098 and 4274.
Environmental Conditions:
QAPP Information:
Data was collected in compliance with the sampling and monitoring procedures detailed in Southern California Bight 2003 Regional Marine Monitoring Survey Quality Assurance Manual.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
102
Pollutant:
Sediment Toxicity
LOE Subgroup:
Toxicity
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
50
Number of Exceedances:
13
Data and Information Type:
Toxicity testing of sediments
Data Used to Assess Water Quality:
Overall, thirteen of 50 samples were toxic. This total was created from several different sediment studies within San Pedro Bay. Eleven of 33 samples were toxic (BPTCP). Two of 14 samples were toxic (Bight, 1998). None of three samples were toxic (W-EMAP) (LARWQCB & CCC, 2004).
Los Angeles RWQCB Basin Plan: All waters should be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological response in, human, plant, animal, or aquatic life.
Samples were considered toxic if (1) there was a significant difference in mean organism response between the sample and the control, and (2) the mean organism response in the test, as a percent of the control, was less than the threshold based on the 90th percentile minimum significant difference value.
Fifty sites were sampled throughout San Pedro Bay.
Temporal Representation:
Samples were collected in 1992, 1994, 1996, 1998 and 1999.
Environmental Conditions:
QAPP Information:
Contaminated Sediment Task Force (2005) and references therein (BPTCP QAPP, Bight 98 QAPP, EMAP 1999 QAPP).
QAPP Information Reference(s):
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
248619
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for High molecular weight PAHs .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Overall, thirteen of 50 samples were toxic. This total was created from several different sediment studies within San Pedro Bay. Eleven of 33 samples were toxic (BPTCP). Two of 14 samples were toxic (Bight, 1998). None of three samples were toxic (W-EMAP) (LARWQCB & CCC, 2004).
Los Angeles RWQCB Basin Plan: All waters should be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological response in, human, plant, animal, or aquatic life.
Samples were considered toxic if (1) there was a significant difference in mean organism response between the sample and the control, and (2) the mean organism response in the test, as a percent of the control, was less than the threshold based on the 90th percentile minimum significant difference value.
Fifty sites were sampled throughout San Pedro Bay.
Temporal Representation:
Samples were collected in 1992, 1994, 1996, 1998 and 1999.
Environmental Conditions:
QAPP Information:
Contaminated Sediment Task Force (2005) and references therein (BPTCP QAPP, Bight 98 QAPP, EMAP 1999 QAPP).
QAPP Information Reference(s):
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
248619
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for High molecular weight PAHs .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-19 (SP-SS-19-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249210
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Low molecular weight PAHs .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
_board/2006/ref4.pdf" >Incidence of adverse biological effects within ranges of chemical concentrations in marine and estuary sediments. Environmental Management. 19, (1): 81-97
Spatial Representation:
Data were collected from 1 station(s). Station Code(s): SP-SS-19 (SP-SS-19-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249210
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Low molecular weight PAHs .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249122
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Low molecular weight PAHs .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250133
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for PAHs (Polycyclic Aromatic Hydrocarbons) .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249812
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for PAHs (Polycyclic Aromatic Hydrocarbons) .
Waste discharged to the ocean must be essentially free of... Substances which will accumulate to toxic levels in marine waters, sediments or biota. (Chapter III Section A. 2 (b)(3) of the Ocean Plan)
Data were collected from 1 station(s). Station Code(s): B13-9239 (B13-9239 OpenwaterStation).
Temporal Representation:
Data for this waterbody were collected over the date range 2013-07-09 to 2013-07-09
Environmental Conditions:
QAPP Information:
SWRCB. 2018. This is a placeholder reference for data that was collected after QAPP requirements were developed, but exempt from the requirements.
QAPP Information Reference(s):
LOE ID:
249122
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Low molecular weight PAHs .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250133
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for PAHs (Polycyclic Aromatic Hydrocarbons) .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249812
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for PAHs (Polycyclic Aromatic Hydrocarbons) .
Waste discharged to the ocean must be essentially free of... Substances which will accumulate to toxic levels in marine waters, sediments or biota. (Chapter III Section A. 2 (b)(3) of the Ocean Plan)
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249817
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for PAHs (Polycyclic Aromatic Hydrocarbons) .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249374
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
This is a placeholder reference for data that was collected after QAPP requirements were developed, but exempt from the requirements.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249817
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for PAHs (Polycyclic Aromatic Hydrocarbons) .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249374
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Low molecular weight PAHs .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-20 (SP-SS-20-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249378
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Low molecular weight PAHs .
Waste discharged to the ocean must be essentially free of... Substances which will accumulate to toxic levels in marine waters, sediments or biota. (Chapter III Section A. 2 (b)(3) of the Ocean Plan)
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Low molecular weight PAHs .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-20 (SP-SS-20-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249378
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Low molecular weight PAHs .
Waste discharged to the ocean must be essentially free of... Substances which will accumulate to toxic levels in marine waters, sediments or biota. (Chapter III Section A. 2 (b)(3) of the Ocean Plan)
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
248999
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for High molecular weight PAHs .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
248999
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for High molecular weight PAHs .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249000
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for High molecular weight PAHs .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249018
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for High molecular weight PAHs .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in,lign="top" width="67%">249000
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for High molecular weight PAHs .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249018
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for High molecular weight PAHs .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249049
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for High molecular weight PAHs .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249049
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for High molecular weight PAHs .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249313
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Low molecular weight PAHs .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-18 (SP-SS-18-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250361
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to dLEFT: 0%; FONT-WEIGHT: bold; PADDING-BOTTOM: 3px; WIDTH: 100%; text-align: left; PADDING-TOP: 3px; font-smooth: always">Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249313
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Low molecular weight PAHs .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-18 (SP-SS-18-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250361
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for PAHs (Polycyclic Aromatic Hydrocarbons) .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-18 (SP-SS-18-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249377
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Low molecular weight PAHs .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-18 (SP-SS-18-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249377
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Low molecular weight PAHs .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249399
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Low molecular weight PAHs .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249399
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Low molecular weight PAHs .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249964
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for PAHs (Polycyclic Aromatic Hydrocarbons) .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-20 (SP-SS-20-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
248923
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for High molecular weight PAHs .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for PAHs (Polycyclic Aromatic Hydrocarbons) .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-20 (SP-SS-20-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
248923
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for High molecular weight PAHs .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-18 (SP-SS-18-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
248618
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for High molecular weight PAHs .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-20 (SP-SS-20-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Data were collected from 1 station(s). Station Code(s): SP-SS-18 (SP-SS-18-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
248618
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for High molecular weight PAHs .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-20 (SP-SS-20-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
248751
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for High molecular weight PAHs .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249314
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Low molecular weight PAHs .
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
248751
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for High molecular weight PAHs .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249314
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Low molecular weight PAHs .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249826
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for PAHs (Polycyclic Aromatic Hydrocarbons) .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249826
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for PAHs (Polycyclic Aromatic Hydrocarbons) .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
248876
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for High molecular weight PAHs .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
248876
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for High molecular weight PAHs .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
248682
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for High molecular weight PAHs .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249100
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Low molecular weight PAHs .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
The evaluation guideline for low molecular weight PAHs is the probable effect level (PEL) of 1442 ug/kg dry weight (MacDonald et al., 1996).
Guideline Reference:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for High molecular weight PAHs .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249100
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Low molecular weight PAHs .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249214
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Low molecular weight PAHs .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250111
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for PAHs (Polycyclic Aromatic Hydrocarbons) .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249901
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for PAHs (Polycyclic Aromatic Hydrocarbons) .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249275
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Low molecular weight PAHs .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-19 (SP-SS-19-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249943
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for PAHs (Polycyclic Aromatic Hydrocarbons) .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-19 (SP-SS-19-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249214
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Low molecular weight PAHs .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
sp;
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Low molecular weight PAHs .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
248680
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for High molecular weight PAHs .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for PAHs (Polycyclic Aromatic Hydrocarbons) .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249901
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for PAHs (Polycyclic Aromatic Hydrocarbons) .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249275
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Low molecular weight PAHs .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-19 (SP-SS-19-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Delist from 303(d) list (being addressed by USEPA approved TMDL)
Last Listing Cycle's Final Listing Decision:
Delist from 303(d) list (TMDL required list)(2018)
Revision Status
Revised
Reason for Delisting:
Applicable WQS attained; reason for recovery unspecified
TMDL Name:
Dominguez, LA/LB Harbors, San Pedro Bay Metals (75 & 78), toxics(73a) and PAHs (74)
TMDL Project Code:
416
Date TMDL Approved by USEPA:
03/23/2012
Impairment from Pollutant or Pollution:
Pollutant
Regional Board Conclusion:
This pollutant is being considered for placement on the section 303(d) list under section 3.1 and 3.6 of the Listing Policy. Under section 3.1 a single line of evidence is necessary to assess listing status. Under section 3.6 at least two lines of evidence are necessary to assess listing status for pollutants sediment, and pollutant concentrations in sediment must be associated with sediment toxicity to justify adding that pollutant to the CWA section 303(d) List
Two lines of evidence are available in the administrative record to assess this pollutant.
Line of Evidence (LOE) 4152 will not be considered in this decision because the LOE is a placeholder LOE and other data is available to assess the water-segment pollutant combination.
Based on the readily available data and information, the weight of evidence indicates that there is sufficient justification against placing this water segment-pollutant combination from the section 303(d) list.
This conclusion is based on the staff findings that: 1. The data used satisfies the data quality requirements of section 6.1.4 of the Policy. 2. The data used satisfies the data quantity requirements of section 6.1.5 of the Policy. 3. Zero of 77 sediment samples exceeded the guideline for zinc in marine sediment and this meets the allowable frequency listed in Table 3.1 of the Listing Policy. 4. Zero of 43 samples exceeded the criteria for zinc in water and this meets the allowable frequency listed in Table 3.1 of the Listing Policy. 5. Pursuant to section 3.11 of the Listing Policy, no additional data and information are available indicating that standards are not met.
Regional Board Decision Recommendation:
After review of the available data and information, RWQCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list because applicable water quality standards are not being exceeded.
State Board Review of Regional Board Conclusion and Recommendation:
State Board Decision Recommendation:
After review of this Regional Board decision, SWRCB staff recommend the decision be approved by the State Board.
Listing Extent:
Line of Evidence (LOE) for Decision ID 135770, Zinc
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
28516
Pollutant:
Sediment Toxicity
LOE Subgroup:
Toxicity
Matrix:
Sediment
Fraction:
None
Beneficial Use:
Marine Habitat
Aquatic Life Use:
Preservation of Rare & Endangered Species
Number of Samples:
3
Number of Exceedances:
1
Data and Information Type:
Toxicity testing of sediments
Data Used to Assess Water Quality:
One of three sediment samples were deemed moderately toxic.
The Basin Plan states that, "[a]ll waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in human, plant, animal, or aquatic life."
Bay et. al. classifies sediment toxicity based on the following survival percentages: Non toxic if greater than or equal to 80% survival; moderately toxic if between 50 to 80% survival; and highly toxic if less than 50% survival.
A total of three stations were monitored in the San Pedro Bay near/off shore zones which include the following stations:
4066 (Lat: 33.74137, Long: -118.11663),
4274 (Lat: 33.7282833333, Long: -118.157083333), and
4408 (Lat: 33.75495, Long: -118.163533333).
Temporal Representation:
Composite surface sediment samples were taken on 07/21/2003 for station 4066, on 07/16/2003 and 08/07/2003 for stations 4098 and 4274.
Environmental Conditions:
QAPP Information:
Data was collected in compliance with the sampling and monitoring procedures detailed in Southern California Bight 2003 Regional Marine Monitoring Survey Quality Assurance Manual.
Line of Evidence (LOE) for Decision ID 135770, Zinc
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
251478
Pollutant:
Zinc
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Zinc .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135770, Zinc
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
252921
Pollutant:
Zinc
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Dissolved
Beneficial Use:
Marine Habitat
Number of Samples:
3
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed LA County MS4 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 3 samples exceeded the water quality threshold for Zinc.
The dissolved zinc criterion continuous concentration (expressed as a 4-day average) to protect aquatic life in saline water is 81 ug/L (California Toxics Rule, 2000).
Line of Evidence (LOE) for Decision ID 135770, Zinc
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
253067
Pollutant:
Zinc
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Dissolved
Beneficial Use:
Marine Habitat
Number of Samples:
8
Number of Exceedances:
0
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249943
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for PAHs (Polycyclic Aromatic Hydrocarbons) .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-19 (SP-SS-19-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249254
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Low molecular weight PAHs .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 149850, PAHs (Polycyclic Aromatic Hydrocarbons)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
248680
Pollutant:
PAHs (Polycyclic Aromatic Hydrocarbons)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for High molecular weight PAHs .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
" valign="top" width="33%">Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed LA County MS4 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 8 samples exceeded the water quality threshold for Zinc.
The dissolved zinc criterion continuous concentration (expressed as a 4-day average) to protect aquatic life in saline water is 81 ug/L (California Toxics Rule, 2000).
Line of Evidence (LOE) for Decision ID 135770, Zinc
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
252995
Pollutant:
Zinc
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Dissolved
Beneficial Use:
Marine Habitat
Number of Samples:
3
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed LA County MS4 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 3 samples exceeded the water quality threshold for Zinc.
The dissolved zinc criterion continuous concentration (expressed as a 4-day average) to protect aquatic life in saline water is 81 ug/L (California Toxics Rule, 2000).
Line of Evidence (LOE) for Decision ID 135770, Zinc
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
268045
Pollutant:
Zinc
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Dissolved
Beneficial Use:
Marine Habitat
Number of Samples:
8
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed City of LB Integrated Monitoring for MS4 Permit data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 8 samples exceeded the water quality threshold for Zinc.
The dissolved zinc criterion continuous concentration (expressed as a 4-day average) to protect aquatic life in saline water is 81 ug/L (California Toxics Rule, 2000).
Line of Evidence (LOE) for Decision ID 135770, Zinc
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
268067
Pollutant:
Zinc
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Dissolved
Beneficial Use:
Marine Habitat
Number of Samples:
6
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 6 samples exceeded the water quality threshold for Zinc.
Data Reference:
DECISION ID
135770
Region 4
San Pedro Bay Near Off Shore Zones
Pollutant:
Zinc
Final Listing Decision:
Delist from 303(d) list (being addressed by USEPA approved TMDL)
Last Listing Cycle's Final Listing Decision:
Delist from 303(d) list (TMDL required list)(2018)
Revision Status
Revised
Reason for Delisting:
Applicable WQS attained; reason for recovery unspecified
TMDL Name:
Dominguez, LA/LB Harbors, San Pedro Bay Metals (75 & 78), toxics(73a) and PAHs (74)
TMDL Project Code:
416
Date TMDL Approved by USEPA:
03/23/2012
Impairment from Pollutant or Pollution:
Pollutant
Regional Board Conclusion:
This pollutant is being considered for placement on the section 303(d) list under section 3.1 and 3.6 of the Listing Policy. Under section 3.1 a single line of evidence is necessary to assess listing status. Under section 3.6 at least two lines of evidence are necessary to assess listing status for pollutants sediment, and pollutant concentrations in sediment must be associated with sediment toxicity to justify adding that pollutant to the CWA section 303(d) List
Two lines of evidence are available in the administrative record to assess this pollutant.
Line of Evidence (LOE) 4152 will not be considered in this decision because the LOE is a placeholder LOE and other data is available to assess the water-segment pollutant combination.
Based on the readily available data and information, the weight of evidence indicates that there is sufficient justification against placing this water segment-pollutant combination from the section 303(d) list.
This conclusion is based on the staff findings that: 1. The data used satisfies the data quality requirements of section 6.1.4 of the Policy. 2. The data used satisfies the data quantity requirements of section 6.1.5 of the Policy. 3. Zero of 77 sediment samples exceeded the guideline for zinc in marine sediment and this meets the allowable frequency listed in Table 3.1 of the Listing Policy. 4. Zero of 43 samples exceeded the criteria for zinc in water and this meets the allowable frequency listed in Table 3.1 of the Listing Policy. 5. Pursuant to section 3.11 of the Listing Policy, no additional data and information are available indicating that standards are not met.
Regional Board Decision Recommendation:
After review of the available data and information, RWQCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list because applicable water quality standards are not being exceeded.
State Board Review of Regional Board Conclusion and Recommendation:
State Board Decision Recommendation:
After review of this Regional Board decision, SWRCB staff recommend the decision be approved by the State Board.
Listing Extent:
Line of Evidence (LOE) for Decision ID 135770, Zinc
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
28516
Pollutant:
Sediment Toxicity
LOE Subgroup:
Toxicity
Matrix:
Sediment
Fraction:
None
Beneficial Use:
Marine Habitat
Aquatic Life Use:
Preservation of Rare & Endangered Species
Number of Samples:
3
Number of Exceedances:
1
Data and Information Type:
Toxicity testing of sediments
Field, Tissue, Toxicity, WQ data from the California Environmental Data Exchange Network assembled for the 2024 Integrated Report in Region 4.
SWAMP Data:
Non-SWAMP
Water Quality Objective/Criterion:
The dissolved zinc criterion continuous concentration (expressed as a 4-day average) to protect aquatic life in saline water is 81 ug/L (California Toxics Rule, 2000).
The samples were collected at 1 monitoring site: SP-RW-20 (SP-RW-20-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2017-09-05 and 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135770, Zinc
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
268469
Pollutant:
Zinc
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Dissolved
Beneficial Use:
Marine Habitat
Number of Samples:
6
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 6 samples exceeded the water quality threshold for Zinc.
The dissolved zinc criterion continuous concentration (expressed as a 4-day average) to protect aquatic life in saline water is 81 ug/L (California Toxics Rule, 2000).
The samples were collected at 1 monitoring site: SP-RW-19 (SP-RW-19-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2017-09-05 and 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135770, Zinc
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
251578
Pollutant:
Zinc
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Zinc .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135770, Zinc
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
251573
Pollutant:
Zinc
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Zinc .
Data Used to Assess Water Quality:
One of three sediment samples were deemed moderately toxic.
The Basin Plan states that, "[a]ll waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in human, plant, animal, or aquatic life."
Bay et. al. classifies sediment toxicity based on the following survival percentages: Non toxic if greater than or equal to 80% survival; moderately toxic if between 50 to 80% survival; and highly toxic if less than 50% survival.
A total of three stations were monitored in the San Pedro Bay near/off shore zones which include the following stations:
4066 (Lat: 33.74137, Long: -118.11663),
4274 (Lat: 33.7282833333, Long: -118.157083333), and
4408 (Lat: 33.75495, Long: -118.163533333).
Temporal Representation:
Composite surface sediment samples were taken on 07/21/2003 for station 4066, on 07/16/2003 and 08/07/2003 for stations 4098 and 4274.
Environmental Conditions:
QAPP Information:
Data was collected in compliance with the sampling and monitoring procedures detailed in Southern California Bight 2003 Regional Marine Monitoring Survey Quality Assurance Manual.
Line of Evidence (LOE) for Decision ID 135770, Zinc
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
251478
Pollutant:
Zinc
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Zinc .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135770, Zinc
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
251572
Pollutant:
Zinc
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Zinc .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): B18-10105 (B18-10105).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
SWRCB. 2018. This is a placeholder reference for data that was collected after QAPP requirements were developed, but exempt from the reqwidth="33%">Temporal Representation:
Data for this waterbody were collected over the date range 2013-08-19 to 2013-08-19
Environmental Conditions:
QAPP Information:
SWRCB. 2018. This is a placeholder reference for data that was collected after QAPP requirements were developed, but exempt from the requirements.
Line of Evidence (LOE) for Decision ID 135770, Zinc
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
252921
Pollutant:
Zinc
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Dissolved
Beneficial Use:
Marine Habitat
Number of Samples:
3
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed LA County MS4 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 3 samples exceeded the water quality threshold for Zinc.
The dissolved zinc criterion continuous concentration (expressed as a 4-day average) to protect aquatic life in saline water is 81 ug/L (California Toxics Rule, 2000).
Line of Evidence (LOE) for Decision ID 135770, Zinc
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
251246
Pollutant:
Zinc
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Zinc .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135770, Zinc
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
251453
Pollutant:
Zinc
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed LA County MS4 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 8 samples exceeded the water quality threshold for Zinc.
The dissolved zinc criterion continuous concentration (expressed as a 4-day average) to protect aquatic life in saline water is 81 ug/L (California Toxics Rule, 2000).
Line of Evidence (LOE) for Decision ID 135770, Zinc
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
252995
Pollutant:
Zinc
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Dissolved
Beneficial Use:
Marine Habitat
Number of Samples:
3
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed LA County MS4 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 3 samples exceeded the water quality threshold for Zinc.
The dissolved zinc criterion continuous concentration (expressed as a 4-day average) to protect aquatic life in saline water is 81 ug/L (California Toxics Rule, 2000).
Line of Evidence (LOE) for Decision ID 135770, Zinc
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
268045
Pollutant:
Zinc
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Dissolved
Beneficial Use:
Marine Habitat
Number of Samples:
8
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed City of LB Integrated Monitoring for MS4 Permit data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 8 samples exceeded the water quality threshold for Zinc.
The dissolved zinc criterion continuous concentration (expressed as a 4-day average) to protect aquatic life in saline water is 81 ug/L (California Toxics Rule, 2000).
Line of Evidence (LOE) for Decision ID 135770, Zinc
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
268067
Pollutant:
Zinc
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Dissolved
Beneficial Use:
Marine Habitat
Number of Samples:
6
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 6 samples exceeded the water quality threshold for Zinc.
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Zinc .
Waste discharged to the ocean must be essentially free of... Substances which will accumulate to toxic levels in marine waters, sediments or biota. (Chapter III Section A. 2 (b)(3) of the Ocean Plan)
Line of Evidence (LOE) for Decision ID 135770, Zinc
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
251343
Pollutant:
Zinc
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Zinc .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Statix">Field, Tissue, Toxicity, WQ data from the California Environmental Data Exchange Network assembled for the 2024 Integrated Report in Region 4.
SWAMP Data:
Non-SWAMP
Water Quality Objective/Criterion:
The dissolved zinc criterion continuous concentration (expressed as a 4-day average) to protect aquatic life in saline water is 81 ug/L (California Toxics Rule, 2000).
The samples were collected at 1 monitoring site: SP-RW-20 (SP-RW-20-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2017-09-05 and 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135770, Zinc
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
268469
Pollutant:
Zinc
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Dissolved
Beneficial Use:
Marine Habitat
Number of Samples:
6
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 6 samples exceeded the water quality threshold for Zinc.
The dissolved zinc criterion continuous concentration (expressed as a 4-day average) to protect aquatic life in saline water is 81 ug/L (California Toxics Rule, 2000).
The samples were collected at 1 monitoring site: SP-RW-19 (SP-RW-19-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2017-09-05 and 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135770, Zinc
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
251578
Pollutant:
Zinc
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Zinc .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135770, Zinc
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
251573
Pollutant:
Zinc
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Zinc .
Temporal Representation:
Data for this waterbody were collected over the date range 2018-07-24 to 2018-07-24
Environmental Conditions:
QAPP Information:
SWRCB. 2018. This is a placeholder reference for data that was collected after QAPP requirements were developed, but exempt from the requirements.
Line of Evidence (LOE) for Decision ID 135770, Zinc
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
251658
Pollutant:
Zinc
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Zinc .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135770, Zinc
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
251572
Pollutant:
Zinc
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Zinc .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): B18-10105 (B18-10105).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
SWRCB. 2018. This is a placeholder reference for data that was collected after QAPP requirements were developed, but exempt from the req width="33%">Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Zinc .
Waste discharged to the ocean must be essentially free of... Substances which will accumulate to toxic levels in marine waters, sediments or biota. (Chapter III Section A. 2 (b)(3) of the Ocean Plan)
Line of Evidence (LOE) for Decision ID 135770, Zinc
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
251197
Pollutant:
Zinc
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Zinc .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135770, Zinc
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
251246
Pollutant:
Zinc
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Zinc .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135770, Zinc
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
251296
Pollutant:
Zinc
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Zinc .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135770, Zinc
Region 4
San Pedro Bay Ngn="left" valign="top" width="67%">PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Zinc .
Waste discharged to the ocean must be essentially free of... Substances which will accumulate to toxic levels in marine waters, sediments or biota. (Chapter III Section A. 2 (b)(3) of the Ocean Plan)
Line of Evidence (LOE) for Decision ID 135770, Zinc
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
251343
Pollutant:
Zinc
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Zinc .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Statiear Off Shore Zones
LOE ID:
251617
Pollutant:
Zinc
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Zinc .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135770, Zinc
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
251502
Pollutant:
Zinc
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Zinc .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological ron Code(s): B18-10002 (B18-10002).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-07-24 to 2018-07-24
Environmental Conditions:
QAPP Information:
SWRCB. 2018. This is a placeholder reference for data that was collected after QAPP requirements were developed, but exempt from the requirements.
Line of Evidence (LOE) for Decision ID 135770, Zinc
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
251658
Pollutant:
Zinc
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Zinc .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135770, Zinc
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
251204
Pollutant:
Zinc
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Zinc .
Waste discharged to the ocean must be essentially free of... Substances which will accumulate to toxic levels in marine waters, sediments or biota. (Chapter III Section A. 2 (b)(3) of the Ocean Plan)
Line of Evidence (LOE) for Decision ID 135770, Zinc
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
251197
Pollutant:
Zinc
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Zinc .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-19 (SP-SS-19-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135770, Zinc
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
251500
Pollutant:
Zinc
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Zinc .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-20 (SP-SS-20-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135770, Zinc
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
268480
Pollutant:
Zinc
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Dissolved
Beneficial Use:
Marine Habitat
Number of Samples:
6
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 6 samples exceeded the water quality threshold for Zinc.
The dissolved zinc criterion continuous concentration (expressed as a 4-day average) to protect aquatic life in saline water is 81 ug/L (California Toxics Rule, 2000).
The samples were collected at 1 monitoring site: SP-RW-18 (SP-RW-18-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2017-09-05 and 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135770, Zinc
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
251601
Pollutant:
Zinc
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Zinc .
Line of Evidence (LOE) for Decision ID 135770, Zinc
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
251296
Pollutant:
Zinc
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Zinc .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135770, Zinc
Region 4
San Pedro Bay Nonmental Data Exchange Network assembled for the 2024 Integrated Report in Region 4.
SWAMP Data:
Non-SWAMP
Water Quality Objective/Criterion:
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-18 (SP-SS-18-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135770, Zinc
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
251275
Pollutant:
Zinc
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Zinc .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): B13-8319 (B13-8319 OpenwaterStation).
Temporal Representation:
Data for this waterbody were collected over the date range 2013-07-11 to 2013-07-11
Environmental Conditions:
QAPP Information:
SWRCB. 2018. This is a placeholder reference for data that was collected after QAPP requirements were developed, but exempt from the requirements.
QAPP Information Reference(s):
LOE ID:
251617
Pollutant:
Zinc
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Zinc .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135770, Zinc
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
251502
Pollutant:
Zinc
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Zinc .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-19 (SP-SS-19-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135770, Zinc
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
251500
Pollutant:
Zinc
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Zinc .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-20 (SP-SS-20-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135770, Zinc
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
251594
Pollutant:
Zinc
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Zinc .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135770, Zinc
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
251605
Pollutant:
Zinc
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used; PADDING-RIGHT: 2%; PADDING-LEFT: 0%; FONT-WEIGHT: bold; PADDING-BOTTOM: 3px; WIDTH: 100%; text-align: left; PADDING-TOP: 3px; font-smooth: always">Line of Evidence (LOE) for Decision ID 135770, Zinc
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
268480
Pollutant:
Zinc
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Dissolved
Beneficial Use:
Marine Habitat
Number of Samples:
6
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 6 samples exceeded the water quality threshold for Zinc.
The dissolved zinc criterion continuous concentration (expressed as a 4-day average) to protect aquatic life in saline water is 81 ug/L (California Toxics Rule, 2000).
The samples were collected at 1 monitoring site: SP-RW-18 (SP-RW-18-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2017-09-05 and 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135770, Zinc
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
251601
Pollutant:
Zinc
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Zinc .
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Zinc .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135770, Zinc
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
102
Pollutant:
Sediment Toxicity
LOE Subgroup:
Toxicity
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
50
Number of Exceedances:
13
Data and Information Type:
Toxicity testing of sediments
Data Used to Assess Water Quality:
Overall, thirteen of 50 samples were toxic. This total was created from several different sediment studies within San Pedro Bay. Eleven of 33 samples were toxic (BPTCP). Two of 14 samples were toxic (Bight, 1998). None of three samples were toxic (W-EMAP) (LARWQCB & CCC, 2004).
Los Angeles RWQCB Basin Plan: All waters should be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological response in, human, plant, animal, or aquatic life.
Samples were considered toxic if (1) there was a significant difference in mean organism response between the sample and the control, and (2) the mean organism response in the test, as a percent of the control, was less than the threshold based on the 90th percentile minimum significant difference value.
Fifty sites were sampled throughout San Pedro Bay.
Temporal Representation:
Samples were collected in 1992, 1994, 1996, 1998 and 1999.
SWAMP Data:
Non-SWAMP
Water Quality Objective/Criterion:
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-18 (SP-SS-18-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135770, Zinc
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
251275
Pollutant:
Zinc
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Zinc .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135770, Zinc
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
251594
Pollutant:
Zinc
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Zinc .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135770, Zinc
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
251605
Pollutant:
Zinc
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Zinc .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135770, Zinc
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
102
Pollutant:
Sediment Toxicity
LOE Subgroup:
Toxicity
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
50
Number of Exceedances:
13
Data and Information Type:
Toxicity testing of sediments
Data Used to Assess Water Quality:
Overall, thirteen of 50 samples were toxic. This total was created from several different sediment studies within San Pedro Bay. Eleven of 33 samples were toxic (BPTCP). Two of 14 samples were toxic (Bight, 1998). None of three samples were toxic (W-EMAP) (LARWQCB & CCC, 2004).
Los Angeles RWQCB Basin Plan: All waters should be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological response in, human, plant, animal, or aquatic life.
Samples were considered toxic if (1) there was a significant difference in mean organism response between the sample and the control, and (2) the mean organism response in the test, as a percent of the control, was less than the threshold based on the 90th percentile minimum significant difference value.
Fifty sites were sampled throughout San Pedro Bay.
Temporal Representation:
Samples were collected in 1992, 1994, 1996, 1998 and 1999.
SWAMP Data:
Non-SWAMP
Water Quality Objective/Criterion:
The Basin Plan states that, "[s]urface waters shall not contain concentrations of chemical constituents in amounts that adversely affect any designated beneficial use."
Several state sponsored studies were collecting sediment samples in San Pedro Bay near/off shore zones, including BPTCP 1992-94, BPTCP 1996-97; Bight 1998; Bight 2003.
Temporal Representation:
Composite surface sediment samples were taken and analyzed during spring/summer/fall.
Environmental Conditions:
QAPP Information:
Data was collected in compliance with the sampling and monitoring procedures detailed in Bay Protection Toxics Clean Program, Bight 1998, and Bight 2003 Quality Assurance Manual.
A total of two grab samples were collected during each sampling event from outside the Downtown Shoreline marina basin (Sites 5 & 6). Sample results wereaveraged per sample event, resulting in one sample results per sampling event.
Temporal Representation:
Samples were collected on three separate sampling events during the dry season (July - October) in 2006.
Environmental Conditions:
Samples were collected during the dry season only.
QAPP Information:
Samples were collected and analyzed in accordance with a Quality Assurance Project Plan that was prepared per State Water Resources Control Board Agreement No. 05-218-250 California Department of Pesticide Regulation, Sacramento, CA. (Available online at http://www.cdpr.ca.gov/docs/emon/surfwtr/protocols/qapp_study236.pdf)
The Basin Plan states that, "[s]urface waters shall not contain concentrations of chemical constituents in amounts that adversely affect any designated beneficial use."
Several state sponsored studies were collecting sediment samples in San Pedro Bay near/off shore zones, including BPTCP 1992-94, BPTCP 1996-97; Bight 1998; Bight 2003.
Temporal Representation:
Composite surface sediment samples were taken and analyzed during spring/summer/fall.
Environmental Conditions:
QAPP Information:
Data was collected in compliance with the sampling and monitoring procedures detailed in Bay Protection Toxics Clean Program, Bight 1998, and Bight 2003 Quality Assurance Manual.
A total of two grab samples were collected during each sampling event from outside the Downtown Shoreline marina basin (Sites 5 & 6). Sample results wereaveraged per sample event, resulting in one sample results per sampling event.
Temporal Representation:
Samples were collected on three separate sampling events during the dry season (July - October) in 2006.
Environmental Conditions:
Samples were collected during the dry season only.
QAPP Information:
Samples were collected and analyzed in accordance with a Quality Assurance Project Plan that was prepared per State Water Resources Control Board Agreement No. 05-218-250 California Department of Pesticide Regulation, Sacramento, CA. (Available online at http://www.cdpr.ca.gov/docs/emon/surfwtr/protocols/qapp_study236.pdf)
QAPP Information Reference(s):
DECISION ID
135754
Region 4
San Pedro Bay Near Off Shore Zones
Pollutant:
Chlordane
Final Listing Decision:
Do Not Delist from 303(d) list (being addressed with USEPA approved TMDL)
Last Listing Cycle's Final Listing Decision:
Do Not Delist from 303(d) list (being addressed with USEPA approved TMDL)(2018)
Revision Status
Revised
Sources:
See TMDL documentation | Urban Runoff/Storm Sewers
TMDL Name:
Dominguez, LA/LB Harbors, San Pedro Bay Metals (75 & 78), toxics(73a) and PAHs (74)
TMDL Project Code:
416
Date TMDL Approved by USEPA:
03/23/2012
Impairment from Pollutant or Pollution:
Pollutant
Regional Board Conclusion:
This pollutant is being considered for removal on the CWA section 303(d) List under sections 2.2 and sections 4.1, 4.5 and 4.6 of the Listing Policy.
Nine lines of evidence are available in the administrative record to assess this pollutant. 1 of the 3 samples exceeded the modified OEHHA Fish Contaminant Goal for total chlordane in fish tissue. None of the 3 samples exceeded the National Academy of Science guidelines guideline for chlordane in fish tissue. None of the 1 sample exceeded the modified OEHHA Fish Contaminant Goal for total chlordane in shellfish tissue. 12 of the 51 samples exceeded the Effects Range Median guideline for chlordane in sediment. 2 of the 2 samples exceeded the chlordane criterion for the protection of human health from consumption of organisms. 2 of the 26 samples exceeded the chlordane criterion continuous concentration to protect aquatic life in saline water. 1 of the 3 samples exhibited moderate sediment toxicity, 13 of 50 samples exhibited sediment toxicity. 0 of the 3 samples exhibited sediment toxicity.
Based on the readily available data and information, the weight of evidence indicates that there is sufficient justification against removing this water segment-pollutant combination from the CWA section 303(d) List. There is sufficient justification to place it in the Being Addressed portion of the CWA 303(d) List because a TMDL has been completed and approved by RWQCB and USEPA, and is expected to result in attainment of the standard.
This conclusion is based on the staff findings that: 1. The data used satisfies the data quality requirements of section 6.1.4 of the Policy. 2. The data used satisfies the data quantity requirements of section 6.1.5 of the Policy. 3. 12 of 51 samples exceeded the guideline for chlordane in sediment and this exceeds the allowable frequency listed in Table NUMBER of the Listing Policy. There is an associated sediment toxicity, with 13 of 50 samples exhibiting sediment toxicity. 4. The TMDL for Toxic Pollutants in Dominguez Channel and Greater Los Angeles and Long Beach Harbor Waters was approved by USEPA on 3/23/2012. 5. Pursuant to section 4.11 of the Listing Policy, no additional data and information are available indicating that standards are not met.
Regional Board Decision Recommendation:
After review of the available data and information, RWQCB staff concludes that the water body-pollutant combination should not be removed from the section 303(d) list because applicable water quality standards for the pollutant are being exceeded.
State Board Review of Regional Board Conclusion and Recommendation:
State Board Decision Recommendation:
After review of this Regional Board decision, SWRCB staff recommend the decision be approved by the State Board.
Listing Extent:
Line of Evidence (LOE) for Decision ID 135754, Chlordane
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
88046
Pollutant:
Chlordane
LOE Subgroup:
Pollutant-Tissue
Matrix:
Tissue
Fraction:
Shellfish
Beneficial Use:
Shellfish Harvesting
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
Shellfish surveys
Data Used to Assess Water Quality:
The result did not exceed the guideline. Data were reported on a dry weight basis and were converted to a wet weight basis by multiplying the dry-weight concentration by a factor of 1 minus the percentage of moisture content expressed as a decimal. Chlordane result was calculated by summing the results for chlordane isomers: cis- and trans-nonachlor, alpha- and gamma-chlordane, and oxychlordane.
Toxic pollutants shall not be present at levels that will bioaccumulate in aquatic life to levels which are harmful to aquatic life or human health. No individual pesticide or combination of pesticides shall be present in concentrations that adversely affect beneficial uses. There shall be no bioaccumulation of pesticide concentrations found in bottom sediments or aquatic life.
The modified OEHHA Fish Contaminant Goal for total chlordane in shellfish tissue is 6.0 ppb. This screening level assumes an average body weight of 70 kg and a consumption rate of 21 g/day for a 30 year exposure over a 70-year lifetime. This constituent is a carcinogen therefore the risk level is set to one in a million. (Brodberg, R.K., and G.A. Pollock, 1999; Klasing, S., and R. Brodberg, 2008)
Samples are collected by hand from three sub-locations for each site. The composite sample was collected from Long Beach Breakwater, site LBBW.
Temporal Representation:
Representative samples of locally abundant species were collected during the winter on 3/4/2008
Environmental Conditions:
QAPP Information:
Samples were collected as part of the State Water Board's Mussel Watch Program which is a part of the National Oceanic Administration's (NOAAs) National Status and Trends (NS&T). Mussels are shipped to NOAAs contract labs for analysis of trace constituents and mussel condition. Analytical protocols follow those approved by NOAAs NS&T Program Additional background information can be found at:
http://ccma.nos.noaa.gov/stressors/pollution/nsandt/
QAPP Information Reference(s):
Line of Evidence (LOE) for Decision ID 135754, Chlordane
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
103
Pollutant:
Chlordane
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
32
Number of Exceedances:
12
Data and Information Type:
Chemical monitoring of sediments
Data Used to Assess Water Quality:
Overall, twelve of 32 samples exceeded numeric guideline for chlordane. This total was created from many different sediment studies within San Pedro Bay. Six of 16 detected results exceeded in 1992-95 (BPTCP). Six of 16 detected results exceeded in 1996-1999 (BPTCP, Bight, and W-EMAP) (LARWQCB & CCC, 2004).
Los Angeles RWQCB Basin Plan: All waters should be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological response in, human, plant, animal, or aquatic life.
Thirty-three sites were sampled throughout San Pedro Bay.
Temporal Representation:
Samples were collected in 1992, 1994, 1996 - 1999.
Environmental Conditions:
QAPP Information:
Contaminated Sediment Task Force (2005) and references therein (BPTCP QAPP, Bight 98 QAPP, EMAP 1999 QAPP).
QAPP Information Reference(s):
Line of Evidence (LOE) for Decision ID 135754, Chlordane
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
244538
Pollutant:
Toxicity
LOE Subgroup:
Toxicity
Matrix:
Sediment
Fraction:
None
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
TOXICITY TESTING
Data Used to Assess Water Quality:
0 of the 1 samples collected by Harbor Toxics TMDL Compliance Water Quality for San Pedro Bay Near/Off Shore Zones exhibited toxicity. A sample may have multiple toxicity test results, but will only be counted once. A sample is defined as being collected on the same day and the same location. The following organisms and parameters were utilized for the toxicity tests: Mytilus galloprovincialis for Normal Development, Eohaustorius estuarius for Survival.
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
The sample is toxic when the response of the organisms exposed to the sample is significantly different (worse) than the response of the organisms exposed to the laboratory control based on statistical hypothesis testing. An exceedance is counted when the significant effect code is “Significant; Less Similarity,” which means that the sample result is significantly different than the control result, and the percent effect is greater than the evaluation threshold. The default evaluation threshold is 20% unless otherwise stated.
The samples were collected at monitoring site: SP-SS-19 ( SP-SS-19-East San Pedro Bay ).
Temporal Representation:
The samples were collected between the dates of 2018-08-09 and 2018-08-09.
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135754, Chlordane
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
244528
Pollutant:
Toxicity
LOE Subgroup:
Toxicity
Matrix:
Sediment
Fraction:
None
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
TOXICITY TESTING
Data Used to Assess Water Quality:
0 of the 1 samples collected by Harbor Toxics TMDL Compliance Water Quality for San Pedro Bay Near/Off Shore Zones exhibited toxicity. A sample may have multiple toxicity test results, but will only be counted once. A sample is defined as being collected on the same day and the same location. The following organisms and parameters were utilized for the toxicity tests: Mytilus galloprovincialis for Normal Development, Eohaustorius estuarius for Survival.
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
The sample is toxic when the response of the organisms exposed to the sample is significantly different (worse) than the response of the organisms exposed to the laboratory control based on statistical hypothesis testing. An exceedance is counted when the significant effect code is “Significant; Less Similarity,” which means that the sample result is significantly different than the control result, and the percent effect is greater than the evaluation threshold. The default evaluation threshold is 20% unless otherwise stated.
The samples were collected at monitoring site: SP-SS-18 ( SP-SS-18-East San Pedro Bay ).
Temporal Representation:
The samples were collected between the dates of 2018-08-09 and 2018-08-09.
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135754, Chlordane
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
244540
Pollutant:
Toxicity
LOE Subgroup:
Toxicity
Matrix:
Sediment
Fraction:
None
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
TOXICITY TESTING
Data Used to Assess Water Quality:
0 of the 1 samples collected by Harbor Toxics TMDL Compliance Water Quality for San Pedro Bay Near/Off Shore Zones exhibited toxicity. A sample may have multiple toxicity test results, but will only be counted once. A sample is defined as being collected on the same day and the same location. The following organisms and parameters were utilized for the toxicity tests: Eohaustorius estuarius for Survival, Mytilus galloprovincialis for Normal Development.
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
The sample is toxic when the response of the organisms exposed to the sample is significantly different (worse) than the response of the organisms exposed to the laboratory control based on statistical hypothesis testing. An exceedance is counted when the significant effect code is “Significant; Less Similarity,” which means that the sample result is significantly different than the control result, and the percent effect is greater than the evaluation threshold. The default evaluation threshold is 20% unless otherwise stated.
The samples were collected at monitoring site: SP-SS-20 ( SP-SS-20-East San Pedro Bay ).
Temporal Representation:
The samples were collected between the dates of 2018-08-09 and 2018-08-09.
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135754, Chlordane
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
267456
Pollutant:
Chlordane
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
5
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 5 samples exceeded the water quality threshold for Total Chlordane.
The chlordane criterion continuous concentration (expressed as a 4-day average) to protect aquatic life in saline water is 0.004 ug/L (California Toxics Rule, 2000).
The samples were collected at 1 monitoring site: SP-RW-19 (SP-RW-19-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2018-01-10 and 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135754, Chlordane
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
267455
Pollutant:
Chlordane
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
5
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 5 samples exceeded the water quality threshold for Total Chlordane.
The chlordane criterion continuous concentration (expressed as a 4-day average) to protect aquatic life in saline water is 0.004 ug/L (California Toxics Rule, 2000).
The samples were collected at 1 monitoring site: SP-RW-18 (SP-RW-18-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2018-01-10 and 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135754, Chlordane
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
267348
Pollutant:
Chlordane
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
5
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 5 samples exceeded the water quality threshold for Total Chlordane.
The chlordane criterion continuous concentration (expressed as a 4-day average) to protect aquatic life in saline water is 0.004 ug/L (California Toxics Rule, 2000).
The samples were collected at 1 monitoring site: SP-RW-20 (SP-RW-20-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2018-01-10 and 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135754, Chlordane
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
267636
Pollutant:
Chlordane
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
7
Number of Exceedances:
1
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed City of LB Integrated Monitoring for MS4 Permit data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 1 of 7 samples exceeded the water quality threshold for Total Chlordane.
Do Not Delist from 303(d) list (being addressed with USEPA approved TMDL)
Last Listing Cycle's Final Listing Decision:
Do Not Delist from 303(d) list (being addressed with USEPA approved TMDL)(2018)
Revision Status
Revised
Sources:
See TMDL documentation | Urban Runoff/Storm Sewers
TMDL Name:
Dominguez, LA/LB Harbors, San Pedro Bay Metals (75 & 78), toxics(73a) and PAHs (74)
TMDL Project Code:
416
Date TMDL Approved by USEPA:
03/23/2012
Impairment from Pollutant or Pollution:
Pollutant
Regional Board Conclusion:
This pollutant is being considered for removal on the CWA section 303(d) List under sections 2.2 and sections 4.1, 4.5 and 4.6 of the Listing Policy.
Nine lines of evidence are available in the administrative record to assess this pollutant. 1 of the 3 samples exceeded the modified OEHHA Fish Contaminant Goal for total chlordane in fish tissue. None of the 3 samples exceeded the National Academy of Science guidelines guideline for chlordane in fish tissue. None of the 1 sample exceeded the modified OEHHA Fish Contaminant Goal for total chlordane in shellfish tissue. 12 of the 51 samples exceeded the Effects Range Median guideline for chlordane in sediment. 2 of the 2 samples exceeded the chlordane criterion for the protection of human health from consumption of organisms. 2 of the 26 samples exceeded the chlordane criterion continuous concentration to protect aquatic life in saline water. 1 of the 3 samples exhibited moderate sediment toxicity, 13 of 50 samples exhibited sediment toxicity. 0 of the 3 samples exhibited sediment toxicity.
Based on the readily available data and information, the weight of evidence indicates that there is sufficient justification against removing this water segment-pollutant combination from the CWA section 303(d) List. There is sufficient justification to place it in the Being Addressed portion of the CWA 303(d) List because a TMDL has been completed and approved by RWQCB and USEPA, and is expected to result in attainment of the standard.
This conclusion is based on the staff findings that: 1. The data used satisfies the data quality requirements of section 6.1.4 of the Policy. 2. The data used satisfies the data quantity requirements of section 6.1.5 of the Policy. 3. 12 of 51 samples exceeded the guideline for chlordane in sediment and this exceeds the allowable frequency listed in Table NUMBER of the Listing Policy. There is an associated sediment toxicity, with 13 of 50 samples exhibiting sediment toxicity. 4. The TMDL for Toxic Pollutants in Dominguez Channel and Greater Los Angeles and Long Beach Harbor Waters was approved by USEPA on 3/23/2012. 5. Pursuant to section 4.11 of the Listing Policy, no additional data and information are available indicating that standards are not met.
Regional Board Decision Recommendation:
After review of the available data and information, RWQCB staff concludes that the water body-pollutant combination should not be removed from the section 303(d) list because applicable water quality standards for the pollutant are being exceeded.
State Board Review of Regional Board Conclusion and Recommendation:
State Board Decision Recommendation:
After review of this Regional Board decision, SWRCB staff recommend the decision be approved by the State Board.
Listing Extent:
Line of Evidence (LOE) for Decision ID 135754, Chlordane
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
88046
Pollutant:
Chlordane
LOE Subgroup:
Pollutant-Tissue
Matrix:
Tissue
Fraction:
Shellfish
Beneficial Use:
Non-SWAMP
Water Quality Objective/Criterion:
The chlordane criterion continuous concentration (expressed as a 4-day average) to protect aquatic life in saline water is 0.004 ug/L (California Toxics Rule, 2000).
Line of Evidence (LOE) for Decision ID 135754, Chlordane
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
253033
Pollutant:
Chlordane
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
4
Number of Exceedances:
1
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed LA County MS4 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 1 of 4 samples exceeded the water quality threshold for Total Chlordane.
The chlordane criterion continuous concentration (expressed as a 4-day average) to protect aquatic life in saline water is 0.004 ug/L (California Toxics Rule, 2000).
Line of Evidence (LOE) for Decision ID 135754, Chlordane
Region 4
Shellfish Harvesting
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
Shellfish surveys
Data Used to Assess Water Quality:
The result did not exceed the guideline. Data were reported on a dry weight basis and were converted to a wet weight basis by multiplying the dry-weight concentration by a factor of 1 minus the percentage of moisture content expressed as a decimal. Chlordane result was calculated by summing the results for chlordane isomers: cis- and trans-nonachlor, alpha- and gamma-chlordane, and oxychlordane.
Toxic pollutants shall not be present at levels that will bioaccumulate in aquatic life to levels which are harmful to aquatic life or human health. No individual pesticide or combination of pesticides shall be present in concentrations that adversely affect beneficial uses. There shall be no bioaccumulation of pesticide concentrations found in bottom sediments or aquatic life.
The modified OEHHA Fish Contaminant Goal for total chlordane in shellfish tissue is 6.0 ppb. This screening level assumes an average body weight of 70 kg and a consumption rate of 21 g/day for a 30 year exposure over a 70-year lifetime. This constituent is a carcinogen therefore the risk level is set to one in a million. (Brodberg, R.K., and G.A. Pollock, 1999; Klasing, S., and R. Brodberg, 2008)
Samples are collected by hand from three sub-locations for each site. The composite sample was collected from Long Beach Breakwater, site LBBW.
Temporal Representation:
Representative samples of locally abundant species were collected during the winter on 3/4/2008
Environmental Conditions:
QAPP Information:
Samples were collected as part of the State Water Board's Mussel Watch Program which is a part of the National Oceanic Administration's (NOAAs) National Status and Trends (NS&T). Mussels are shipped to NOAAs contract labs for analysis of trace constituents and mussel condition. Analytical protocols follow those approved by NOAAs NS&T Program Additional background information can be found at:
http://ccma.nos.noaa.gov/stressors/pollution/nsandt/
QAPP Information Reference(s):
Line of Evidence (LOE) for Decision ID 135754, Chlordane
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
103
Pollutant:
Chlordane
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
32
Number of Exceedances:
12
Data and Information Type:
Chemical monitoring of sediments
Data Used to Assess Water Quality:
Overall, twelve of 32 samples exceeded numeric guideline for chlordane. This total was created from many different sediment studies within San Pedro Bay. Six of 16 detected results exceeded in 1992-95 (BPTCP). Six of 16 detected results exceeded in 1996-1999 (BPTCP, Bight, and W-EMAP) (LARWQCB & CCC, 2004).
Los Angeles RWQCB Basin Plan: All waters should be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological response in, human, plant, animal, or aquatic life.
Thirty-three sites were sampled throughout San Pedro Bay.
Temporal Representation:
Samples were collected in 1992, 1994, 1996 - 1999.
Environmental Conditions:
QAPP Information:
Contaminated Sediment Task Force (2005) and references therein (BPTCP QAPP, Bight 98 QAPP, EMAP 1999 QAPP).
QAPP Information Reference(s):
Line of Evidence (LOE) for Decision ID 135754, Chlordane
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
244538
Pollutant:
Toxicity
LOE Subgroup:
Toxicity
Matrix:
Sediment
Fraction:
None
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
TOXICITY TESTING
Data Used to Assess Water Quality:
0 of the 1 samples collected by Harbor Toxics TMDL Compliance Water Quality for San Pedro Bay Near/Off Shore Zones exhibited toxicity. A sample may have multiple toxicity test results, but will only be counted once. A sample is defined as being collected on the same day and the same location. The following organisms and parameters were utilized for the toxicity tests: Mytilus galloprovincialis for Normal Development, Eohaustorius estuarius for Survival.
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
The sample is toxic when the response of the organisms exposed to the sample is significantly different (worse) than the response of the organisms exposed to the laboratory control based on statistical hypothesis testing. An exceedance is counted when the significant effect code is “Significant; Less Similarity,” which means that the sample result is significantly different than the control result, and the percent effect is greater than the evaluation threshold. The default evaluation threshold is 20% unless otherwise stated.
The samples were collected at monitoring site: SP-SS-19 ( SP-SS-19-East San Pedro Bay ).
Temporal Representation:
The samples were collected between the dates of 2018-08-09 and 2018-08-09.
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
QAPP Information Reference(s):
San Pedro Bay Near Off Shore Zones
LOE ID:
244775
Pollutant:
Chlordane
LOE Subgroup:
Pollutant-Tissue
Matrix:
Tissue
Fraction:
Fish fillet
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
3
Number of Exceedances:
1
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows 1 of the 3 samples exceeded the water quality threshold for Chlordane. Data were collected for 7 fish species (3 composite(s) of Northern Anchovy each composed of NA fish per composite, 1 composite(s) of White Croaker each composed of 5 fish per composite, 1 composite(s) of White Croaker each composed of 6 fish per composite, 1 composite(s) of White Croaker each composed of 4 fish per composite, 1 composite(s) of California Halibut each composed of 6 fish per composite, 1 composite(s) of California Halibut each composed of 1 fish per composite, 1 composite(s) of California Halibut each composed of 10 fish per composite). Of these, 1 species (White Croaker) exceeded the water quality threshold.
The Water Quality Control Plan for the Los Angeles Region (page 3-29) states that: Toxic pollutants shall not be present at levels that will bioaccumulate in aquatic life to levels which are harmful to aquatic life or human health.
The modified OEHHA Fish Contaminant Goal for total chlordane in fish tissue is 3.9 ppb. This screening level assumes an average body weight of 70 kg and a consumption rate of 32 g/day for a 30 year exposure over a 70-year lifetime. This constituent is a carcinogen therefore the risk level is set to one in a million. A cooking reduction factor of 1 is applied for skin-off fillets. (Klasing, S., and R. Brodberg, 2008)
Data were collected from 1 station(s). Station Code(s): SP_2018_Fish (SP_2018_Fish-East San Pedro Bay).
Temporal Representation:
Data for this line of evidence were collected between 2018-10-02 and 2018-10-02. When composited fish were collected over multiple days, the first day of fish collection was used as the sample date in the LOE, both for LOE writing, and for averaging period purposes.
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135754, Chlordane
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
244760
Pollutant:
Chlordane
LOE Subgroup:
Pollutant-Tissue
Matrix:
Tissue
Fraction:
Fish fillet
Beneficial Use:
Marine Habitat
Number of Samples:
3
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows 0 of the 3 samples exceeded the water quality threshold for Chlordane. Data were collected for 7 fish species (3 composite(s) of Northern Anchovy each composed of NA fish per composite, 1 composite(s) of White Croaker each composed of 6 fish per composite, 1 composite(s) of White Croaker each composed of 5 fish per composite, 1 composite(s) of White Croaker each composed of 4 fish per composite, 1 composite(s) of California Halibut each composed of 6 fish per composite, 1 composite(s) of California Halibut each composed of 10 fish per composite, 1 composite(s) of California Halibut each composed of 1 fish per composite).
The Water Quality Control Plan for the Los Angeles Region (page 3-29) states that: Toxic pollutants shall not be present at levels that will bioaccumulate in aquatic life to levels which are harmful to aquatic life or human health.
National Academy of Science guidelines (NAS 1972) establish a maximum total Chlordane concentration of 100 ug/Kg (wet weight) in tissue samples for protection of aquatic life from bioaccumulation of toxic substances.
Data were collected from 1 station(s). Station Code(s): SP_2018_Fish (SP_2018_Fish-East San Pedro Bay).
Temporal Representation:
Data for this line of evidence were collected between 2018-10-02 and 2018-10-02. When composited fish were collected over multiple days, the first day of fish collection was used as the sample date in the LOE, both for LOE writing, and for averaging period purposes.
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135754, Chlordane
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246478
Pollutant:
Chlordane
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chlordane .
Line of Evidence (LOE) for Decision ID 135754, Chlordane
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
244528
Pollutant:
Toxicity
LOE Subgroup:
Toxicity
Matrix:
Sediment
Fraction:
None
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
TOXICITY TESTING
Data Used to Assess Water Quality:
0 of the 1 samples collected by Harbor Toxics TMDL Compliance Water Quality for San Pedro Bay Near/Off Shore Zones exhibited toxicity. A sample may have multiple toxicity test results, but will only be counted once. A sample is defined as being collected on the same day and the same location. The following organisms and parameters were utilized for the toxicity tests: Mytilus galloprovincialis for Normal Development, Eohaustorius estuarius for Survival.
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
The sample is toxic when the response of the organisms exposed to the sample is significantly different (worse) than the response of the organisms exposed to the laboratory control based on statistical hypothesis testing. An exceedance is counted when the significant effect code is “Significant; Less Similarity,” which means that the sample result is significantly different than the control result, and the percent effect is greater than the evaluation threshold. The default evaluation threshold is 20% unless otherwise stated.
The samples were collected at monitoring site: SP-SS-18 ( SP-SS-18-East San Pedro Bay ).
Temporal Representation:
The samples were collected between the dates of 2018-08-09 and 2018-08-09.
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135754, Chlordane
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246691
Pollutant:
Chlordane
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chlordane .
No individual pesticide or combination of pesticides shall be present in concentrations that adversely affect beneficial uses. There shall be no increase in pesticide concentrations found in bottom sediments or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-20 (SP-SS-20-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
0 of the 1 samples collected by Harbor Toxics TMDL Compliance Water Quality for San Pedro Bay Near/Off Shore Zones exhibited toxicity. A sample may have multiple toxicity test results, but will only be counted once. A sample is defined as being collected on the same day and the same location. The following organisms and parameters were utilized for the toxicity tests: Eohaustorius estuarius for Survival, Mytilus galloprovincialis for Normal Development.
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
The sample is toxic when the response of the organisms exposed to the sample is significantly different (worse) than the response of the organisms exposed to the laboratory control based on statistical hypothesis testing. An exceedance is counted when the significant effect code is “Significant; Less Similarity,” which means that the sample result is significantly different than the control result, and the percent effect is greater than the evaluation threshold. The default evaluation threshold is 20% unless otherwise stated.
The samples were collected at monitoring site: SP-SS-20 ( SP-SS-20-East San Pedro Bay ).
Temporal Representation:
The samples were collected between the dates of 2018-08-09 and 2018-08-09.
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135754, Chlordane
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
267456
Pollutant:
Chlordane
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
5
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 5 samples exceeded the water quality threshold for Total Chlordane.
Line of Evidence (LOE) for Decision ID 135754, Chlordane
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246784
Pollutant:
Chlordane
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chlordane .
No individual pesticide or combination of pesticides shall be present in concentrations that adversely affect beneficial uses. There shall be no increase in pesticide concentrations found in bottom sediments or aquatic life.
Line of Evidence (LOE) for Decision ID 135754, Chlordane
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246569
Pollutant:
Chlordane
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Quality Objective/Criterion:
The chlordane criterion continuous concentration (expressed as a 4-day average) to protect aquatic life in saline water is 0.004 ug/L (California Toxics Rule, 2000).
The samples were collected at 1 monitoring site: SP-RW-19 (SP-RW-19-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2018-01-10 and 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135754, Chlordane
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
267455
Pollutant:
Chlordane
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
5
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 5 samples exceeded the water quality threshold for Total Chlordane.
The chlordane criterion continuous concentration (expressed as a 4-day average) to protect aquatic life in saline water is 0.004 ug/L (California Toxics Rule, 2000).
The samples were collected at 1 monitoring site: SP-RW-18 (SP-RW-18-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2018-01-10 and 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135754, Chlordane
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
267348
Pollutant:
Chlordane
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
5
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 5 samples exceeded the water quality threshold for Total Chlordane.
The chlordane criterion continuous concentration (expressed as a 4-day average) to protect aquatic life in saline water is 0.004 ug/L (California Toxics Rule, 2000).
The samples were collected at 1 monitoring site: SP-RW-20 (SP-RW-20-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2018-01-10 and 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135754, Chlordane
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
267636
Pollutant:
Chlordane
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
7
Number of Exceedances:
1
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed City of LB Integrated Monitoring for MS4 Permit data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 1 of 7 samples exceeded the water quality threshold for Total Chlordane.
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chlordane .
No individual pesticide or combination of pesticides shall be present in concentrations that adversely affect beneficial uses. There shall be no increase in pesticide concentrations found in bottom sediments or aquatic life.
Line of Evidence (LOE) for Decision ID 135754, Chlordane
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246781
Pollutant:
Chlordane
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chlordane .
No individual pesticide or combination of pesticides shall be present in concentrations that adversely affect beneficial uses. There shall be no increase in pesticide concentrations found in bottom sediments or aquatic life.
Data were collected from 1 station(s). Stationalign="top" width="67%">Non-SWAMP
Water Quality Objective/Criterion:
The chlordane criterion continuous concentration (expressed as a 4-day average) to protect aquatic life in saline water is 0.004 ug/L (California Toxics Rule, 2000).
Line of Evidence (LOE) for Decision ID 135754, Chlordane
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
253033
Pollutant:
Chlordane
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
4
Number of Exceedances:
1
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed LA County MS4 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 1 of 4 samples exceeded the water quality threshold for Total Chlordane.
The chlordane criterion continuous concentration (expressed as a 4-day average) to protect aquatic life in saline water is 0.004 ug/L (California Toxics Rule, 2000).
Line of Evidence (LOE) for Decision ID 135754, Chlordane
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
244775
Pollutant:
Chlordane
LOE Subgroup:
Pollutant-Tissue
Matrix:
Tissue
Fraction:
Fish fillet
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
3
Number of Exceedances:
1
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows 1 of the 3 samples exceeded the water quality threshold for Chlordane. Data were collected for 7 fish species (3 composite(s) of Northern Anchovy each composed of NA fish per composite, 1 composite(s) of White Croaker each composed of 5 fish per composite, 1 composite(s) of White Croaker each composed of 6 fish per composite, 1 composite(s) of White Croaker each composed of 4 fish per composite, 1 composite(s) of California Halibut each composed of 6 fish per composite, 1 composite(s) of California Halibut each composed of 1 fish per composite, 1 composite(s) of California Halibut each composed of 10 fish per composite). Of these, 1 species (White Croaker) exceeded the water quality threshold.
The Water Quality Control Plan for the Los Angeles Region (page 3-29) states that: Toxic pollutants shall not be present at levels that will bioaccumulate in aquatic life to levels which are harmful to aquatic life or human health.
The modified OEHHA Fish Contaminant Goal for total chlordane in fish tissue is 3.9 ppb. This screening level assumes an average body weight of 70 kg and a consumption rate of 32 g/day for a 30 year exposure over a 70-year lifetime. This constituent is a carcinogen therefore the risk level is set to one in a million. A cooking reduction factor of 1 is applied for skin-off fillets. (Klasing, S., and R. Brodberg, 2008)
Data were collected from 1 station(s). Station Code(s): SP_2018_Fish (SP_2018_Fish-East San Pedro Bay).
Temporal Representation:
Data for this line of evidence were collected between 2018-10-02 and 2018-10-02. When composited fish were collected over multiple days, the first day of fish collection was used as the sample date in the LOE, both for LOE writing, and for averaging period purposes.
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
The Basin Plan states that, "[a]ll waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in human, plant, animal, or aquatic life."
Bay et. al. classifies sediment toxicity based on the following survival percentages: Non toxic if greater than or equal to 80% survival; moderately toxic if between 50 to 80% survival; and highly toxic if less than 50% survival.
A total of three stations were monitored in the San Pedro Bay near/off shore zones which include the following stations:
4066 (Lat: 33.74137, Long: -118.11663),
4274 (Lat: 33.7282833333, Long: -118.157083333), and
4408 (Lat: 33.75495, Long: -118.163533333).
Temporal Representation:
Composite surface sediment samples were taken on 07/21/2003 for station 4066, on 07/16/2003 and 08/07/2003 for stations 4098 and 4274.
Environmental Conditions:
QAPP Information:
Data was collected in compliance with the sampling and monitoring procedures detailed in Southern California Bight 2003 Regional Marine Monitoring Survey Quality Assurance Manual.
Line of Evidence (LOE) for Decision ID 135754, Chlordane
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
102
Pollutant:
Sediment Toxicity
LOE Subgroup:
Toxicity
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
50
Number of Exceedances:
13
Data and Information Type:
Toxicity testing of sediments
Data Used to Assess Water Quality:
Overall, thirteen of 50 samples were toxic. This total was created from several different sediment studies within San Pedro Bay. Eleven of 33 samples were toxic (BPTCP). Two of 14 samples were toxic (Bight, 1998). None of three samples were toxic (W-EMAP) (LARWQCB & CCC, 2004).
Los Angeles RWQCB Basin Plan: All waters should be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological response in, human, plant, animal, or aquatic life.
Samples were considered toxic if (1) there was a significant difference in mean organism response between the sample and the control, and (2) the mean organism response in the test, as a percent of the control, was less than the threshold based on the 90th percentile minimum significant difference value.
Fifty sites were sampled throughout San Pedro Bay.
Temporal Representation:
Samples were collected in 1992, 1994, 1996, 1998 and 1999.
Environmental Conditions:
QAPP Information:
Contaminated Sediment Task Force (2005) and references therein (BPTCP QAPP, Bight 98 QAPP, EMAP 1999 QAPP).
QAPP Information Reference(s):
Line of Evidence (LOE) for Decision ID 135754, Chlordane
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
267818
Pollutant:
Chlordane
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
1
Number of Exceedances:
1
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed City of LB Integrated Monitoring for MS4 Permit data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 1 of the 1 samples exceeded the water quality threshold for Total Chlordane. Although a total of 7 samples were collected, 6 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows 0 of the 3 samples exceeded the water quality threshold for Chlordane. Data were collected for 7 fish species (3 composite(s) of Northern Anchovy each composed of NA fish per composite, 1 composite(s) of White Croaker each composed of 6 fish per composite, 1 composite(s) of White Croaker each composed of 5 fish per composite, 1 composite(s) of White Croaker each composed of 4 fish per composite, 1 composite(s) of California Halibut each composed of 6 fish per composite, 1 composite(s) of California Halibut each composed of 10 fish per composite, 1 composite(s) of California Halibut each composed of 1 fish per composite).
The Water Quality Control Plan for the Los Angeles Region (page 3-29) states that: Toxic pollutants shall not be present at levels that will bioaccumulate in aquatic life to levels which are harmful to aquatic life or human health.
National Academy of Science guidelines (NAS 1972) establish a maximum total Chlordane concentration of 100 ug/Kg (wet weight) in tissue samples for protection of aquatic life from bioaccumulation of toxic substances.
Data were collected from 1 station(s). Station Code(s): SP_2018_Fish (SP_2018_Fish-East San Pedro Bay).
Temporal Representation:
Data for this line of evidence were collected between 2018-10-02 and 2018-10-02. When composited fish were collected over multiple days, the first day of fish collection was used as the sample date in the LOE, both for LOE writing, and for averaging period purposes.
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135754, Chlordane
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246478
Pollutant:
Chlordane
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chlordane .
No individual pesticide or combination of pesticides shall be present in concentrations that adversely affect beneficial uses. There shall be no increase in pesticide concentrations found in bottom sediments or aquatic life.
Line of Evidence (LOE) for Decision ID 135754, Chlordane
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246691
Pollutant:
Chlordane
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chlordane .
No individual pesticide or combination of pesticides shall be present in concentrations that adversely affect beneficial uses. There shall be no increase in pesticide concentrations found in bottom sediments or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-20 (SP-SS-20-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135754, Chlordane
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246481
Pollutant:
Chlordane
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chlordane .
No individual pesticide or combination of pesticides shall be present in concentrations that adversely affect beneficial uses. There shall be no increase in pesticide concentrations found in bottom sediments or aquatic life.
Line of Evidence (LOE) for Decision ID 135754, Chlordane
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246484
Pollutant:
Chlordane
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chlordane .
No individual pesticide or combination of pesticides shall be present in concentrations that adversely affect beneficial uses. There shall be no increase in pesticide concentrations found in bottom sediments or aquatic life.
Line of Evidence (LOE) for Decision ID 135754, Chlordane
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246917
Pollutant:
Chlordane
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chlordane .
Line of Evidence (LOE) for Decision ID 135754, Chlordane
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246784
Pollutant:
Chlordane
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chlordane .
No individual pesticide or combination of pesticides shall be present in concentrations that adversely affect beneficial uses. There shall be no increase in pesticide concentrations found in bottom sediments or aquatic life.
Line of Evidence (LOE) for Decision ID 135754, Chlordane
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246569
Pollutant:
Chlordane
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Quality Objective/Criterion:
Waste discharged to the ocean must be essentially free of... Substances which will accumulate to toxic levels in marine waters, sediments or biota. (Chapter III Section A. 2 (b)(3) of the Ocean Plan)
The evaluation guideline for chlordane in estuarine and marine sediments is the Effects Range Median (ERM) value of 6 ng/g dry weight (Long and Morgan, 1990).
Line of Evidence (LOE) for Decision ID 135754, Chlordane
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246594
Pollutant:
Chlordane
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chlordane .
No individual pesticide or combination of pesticides shall be present in concentrations that adversely affect beneficial uses. There shall be no increase in pesticide concentrations found in bottom sediments or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-19 (SP-SS-19-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPEalign="left" valign="top" width="67%">Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chlordane .
No individual pesticide or combination of pesticides shall be present in concentrations that adversely affect beneficial uses. There shall be no increase in pesticide concentrations found in bottom sediments or aquatic life.
Line of Evidence (LOE) for Decision ID 135754, Chlordane
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246781
Pollutant:
Chlordane
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chlordane .
No individual pesticide or combination of pesticides shall be present in concentrations that adversely affect beneficial uses. There shall be no increase in pesticide concentrations found in bottom sediments or aquatic life.
Line of Evidence (LOE) for Decision ID 135754, Chlordane
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246397
Pollutant:
Chlordane
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chlordane .
No individual pesticide or combination of pesticides shall be present in concentrations that adversely affect beneficial uses. There shall be no increase in pesticide concentrations found in bottom sediments or aquatic life.
The Basin Plan states that, "[a]ll waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in human, plant, animal, or aquatic life."
Bay et. al. classifies sediment toxicity based on the following survival percentages: Non toxic if greater than or equal to 80% survival; moderately toxic if between 50 to 80% survival; and highly toxic if less than 50% survival.
A total of three stations were monitored in the San Pedro Bay near/off shore zones which include the following stations:
4066 (Lat: 33.74137, Long: -118.11663),
4274 (Lat: 33.7282833333, Long: -118.157083333), and
4408 (Lat: 33.75495, Long: -118.163533333).
Temporal Representation:
Composite surface sediment samples were taken on 07/21/2003 for station 4066, on 07/16/2003 and 08/07/2003 for stations 4098 and 4274.
Environmental Conditions:
QAPP Information:
Data was collected in compliance with the sampling and monitoring procedures detailed in Southern California Bight 2003 Regional Marine Monitoring Survey Quality Assurance Manual.
Line of Evidence (LOE) for Decision ID 135754, Chlordane
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
102
Pollutant:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chlordane .
No individual pesticide or combination of pesticides shall be present in concentrations that adversely affect beneficial uses. There shall be no increase in pesticide concentrations found in bottom sediments or aquatic life.
Line of Evidence (LOE) for Decision ID 135754, Chlordane
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246618
Pollutant:
Chlordane
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chlordane .
No individual pesticide or combination of pesticides shall be present in concentrations that adversely affect beneficial uses. There shall be no increase in pesticide concentrations found in bottom sediments or aquatic life.
Overall, thirteen of 50 samples were toxic. This total was created from several different sediment studies within San Pedro Bay. Eleven of 33 samples were toxic (BPTCP). Two of 14 samples were toxic (Bight, 1998). None of three samples were toxic (W-EMAP) (LARWQCB & CCC, 2004).
Los Angeles RWQCB Basin Plan: All waters should be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological response in, human, plant, animal, or aquatic life.
Samples were considered toxic if (1) there was a significant difference in mean organism response between the sample and the control, and (2) the mean organism response in the test, as a percent of the control, was less than the threshold based on the 90th percentile minimum significant difference value.
Fifty sites were sampled throughout San Pedro Bay.
Temporal Representation:
Samples were collected in 1992, 1994, 1996, 1998 and 1999.
Environmental Conditions:
QAPP Information:
Contaminated Sediment Task Force (2005) and references therein (BPTCP QAPP, Bight 98 QAPP, EMAP 1999 QAPP).
QAPP Information Reference(s):
Line of Evidence (LOE) for Decision ID 135754, Chlordane
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
267818
Pollutant:
Chlordane
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
1
Number of Exceedances:
1
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed City of LB Integrated Monitoring for MS4 Permit data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 1 of the 1 samples exceeded the water quality threshold for Total Chlordane. Although a total of 7 samples were collected, 6 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
Line of Evidence (LOE) for Decision ID 135754, Chlordane
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246481
Pollutant:
Chlordane
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chlordane .
No individual pesticide or combination of pesticides shall be present in concentrations that adversely affect beneficial uses. There shall be no increase in pesticide concentrations found in bottom sediments or aquatic life.
Line of Evidence (LOE) for Decision ID 135754, Chlordane
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246854
Pollutant:
Chlordane
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chlordane .
No individual pesticide or combination of pesticides shall be present in concentrations that adversely affect beneficial uses. There shall be no increase in pesticide concentrations found in bottom sediments or aquatic life.
Line of Evidence (LOE) for Decision ID 135754, Chlordane
Region 4
San Pedro Bay Near Off Shore Zones
San Pedro Bay Near Off Shore Zones
LOE ID:
246484
Pollutant:
Chlordane
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chlordane .
No individual pesticide or combination of pesticides shall be present in concentrations that adversely affect beneficial uses. There shall be no increase in pesticide concentrations found in bottom sediments or aquatic life.
Line of Evidence (LOE) for Decision ID 135754, Chlordane
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246917
Pollutant:
Chlordane
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chlordane .
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
1
Number of Exceedances:
1
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed LA County MS4 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 1 of the 1 samples exceeded the water quality threshold for Total Chlordane. Although a total of 4 samples were collected, 3 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
Line of Evidence (LOE) for Decision ID 135754, Chlordane
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
267853
Pollutant:
Chlordane
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for Total Chlordane. Although a total of 5 samples were collected, 5 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
Waste discharged to the ocean must be essentially free of... Substances which will accumulate to toxic levels in marine waters, sediments or biota. (Chapter III Section A. 2 (b)(3) of the Ocean Plan)
The evaluation guideline for chlordane in estuarine and marine sediments is the Effects Range Median (ERM) value of 6 ng/g dry weight (Long and Morgan, 1990).
Line of Evidence (LOE) for Decision ID 135754, Chlordane
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246594
Pollutant:
Chlordane
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chlordane .
No individual pesticide or combination of pesticides shall be present in concentrations that adversely affect beneficial uses. There shall be no increase in pesticide concentrations found in bottom sediments or aquatic life.
The samples were collected at 1 monitoring site: SP-RW-18 (SP-RW-18-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-01-10 to 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135754, Chlordane
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
267615
Pollutant:
Chlordane
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for Total Chlordane. Although a total of 5 samples were collected, 5 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
The samples were collected at 1 monitoring site: SP-RW-19 (SP-RW-19-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-01-10 to 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135754, Chlordane
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246397
Pollutant:
Chlordane
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chlordane .
No individual pesticide or combination of pesticides shall be present in concentrations that adversely affect beneficial uses. There shall be no increase in pesticide concentrations found in bottom sediments or aquatic life.
Line of Evidence (LOE) for Decision ID 135754, Chlordane
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246502
Pollutant:
Chlordane
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
Line of Evidence (LOE) for Decision ID 135754, Chlordane
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
267794
Pollutant:
Chlordane
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for Total Chlordane. Although a total of 5 samples were collected, 5 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
The samples were collected at 1 monitoring site: SP-RW-20 (SP-RW-20-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-01-10 to 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135754, Chlordane
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246443
Pollutant:
Chlordane
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Sho%">1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chlordane .
No individual pesticide or combination of pesticides shall be present in concentrations that adversely affect beneficial uses. There shall be no increase in pesticide concentrations found in bottom sediments or aquatic life.
Line of Evidence (LOE) for Decision ID 135754, Chlordane
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246618
Pollutant:
Chlordane
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chlordane .
No individual pesticide or combination of pesticides shall be present in concentrations that adversely affect beneficial uses. There shall be no increase in pesticide concentrations found in bottom sediments or aquatic life.
No individual pesticide or combination of pesticides shall be present in concentrations that adversely affect beneficial uses. There shall be no increase in pesticide concentrations found in bottom sediments or aquatic life.
Line of Evidence (LOE) for Decision ID 135754, Chlordane
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246984
Pollutant:
Chlordane
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chlordane .
No individual pesticide or combination of pesticides shall be present in concentrations that adversely affect beneficial uses. There shall be no increase in pesticide concentrations found in bottom sediments or aquatic life.
Data were collected from 1 station(s). Station Code(s): B18-10001 (B18-10001).
Temporal Representation:
The potential for biological effects of sediment-sorbed contaminants tested in the National Status of Trends Program. NOAA Technical Memorandum NOS OMA 52. Seattle, WA: National Oceanic and Atmospheric Administration
Spatial Representation:
Data were collected from 1 station(s). Station Code(s): B13-8375 (B13-8375 OpenwaterStation).
Temporal Representation:
Data for this waterbody were collected over the date range 2013-07-03 to 2013-07-03
Environmental Conditions:
QAPP Information:
SWRCB. 2018. This is a placeholder reference for data that was collected after QAPP requirements were developed, but exempt from the requirements.
Line of Evidence (LOE) for Decision ID 135754, Chlordane
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246854
Pollutant:
Chlordane
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chlordane .
No individual pesticide or combination of pesticides shall be present in concentrations that adversely affect beneficial uses. There shall be no increase in pesticide concentrations found in bottom sediments or aquatic life.
Line of Evidence (LOE) for Decision ID 135754, Chlordane
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246988
Pollutant:
Chlordane
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chlordane .
No individual pesticide or combination of pesticides shall be present in concentrations that adversely affect beneficial uses. There shall be no increase in pesticide concentrations found in bottom sediments or aquatic life.
Line of Evidence (LOE) for Decision ID 135754, Chlordane
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246346
Pollutant:
Chlordane
LOE Subgroup:
Pollutant-Sediment
Matrix:
LOE ID:
252965
Pollutant:
Chlordane
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
1
Number of Exceedances:
1
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed LA County MS4 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 1 of the 1 samples exceeded the water quality threshold for Total Chlordane. Although a total of 4 samples were collected, 3 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
Line of Evidence (LOE) for Decision ID 135754, Chlordane
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
267853
Pollutant:
Chlordane
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for Total Chlordane. Although a total of 5 samples were collected, 5 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
Water Quality Objective/Criterioidth="67%">Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chlordane .
No individual pesticide or combination of pesticides shall be present in concentrations that adversely affect beneficial uses. There shall be no increase in pesticide concentrations found in bottom sediments or aquatic life.
Line of Evidence (LOE) for Decision ID 135754, Chlordane
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246775
Pollutant:
Chlordane
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chlordane .
No individual pesticide or combination of pesticides shall be present in concentrations that adversely affect beneficial uses. There shall be no increase in pesticide concentrations found in bottom sediments or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-18 (SP-SS-18-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135754, Chlordane
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246780
Pollutant:
Chlordane
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chlordane .
Waste discharged to the ocean must be essentially free of... Substances which will accumulate to toxic levels in marine waters, sediments or biota. (Chapter III Section A. 2 (b)(3) of the Ocean Plan)
The evaluation guideline for chlordane in estuarine and marine sediments is the Effects Range Median (ERM) value of 6 ng/g dry weight (Long and Morgan, 1990).
The samples were collected at 1 monitoring site: SP-RW-18 (SP-RW-18-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-01-10 to 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135754, Chlordane
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
267615
Pollutant:
Chlordane
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for Total Chlordane. Although a total of 5 samples were collected, 5 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
The samples were collected at 1 monitoring site: SP-RW-19 (SP-RW-19-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-01-10 to 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135754, Chlordane
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
267794
Pollutant:
Chlordane
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for Total Chlordane. Although a total of 5 samples were collected, 5 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
The samples were collected at 1 monitoring site: SP-RW-20 (SP-RW-20-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-01-10 to 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135754, Chlordane
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246443
Pollutant:
Chlordane
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Sho
DECISION ID
149847
Region 4
San Pedro Bay Near Off Shore Zones
Pollutant:
DDT (Dichlorodiphenyltrichloroethane)
Final Listing Decision:
Do Not Delist from 303(d) list (being addressed with USEPA approved TMDL)
Last Listing Cycle's Final Listing Decision:
New Decision
Revision Status
Revised
Sources:
See TMDL documentation
TMDL Name:
Dominguez, LA/LB Harbors, San Pedro Bay Metals (75 & 78), toxics(73a) and PAHs (74)
TMDL Project Code:
416
Date TMDL Approved by USEPA:
03/23/2012
Impairment from Pollutant or Pollution:
Pollutant
Regional Board Conclusion:
This pollutant is being considered for removal on the CWA section 303(d) List under sections 2.2, 4.1 and 4.5 of the Listing Policy.
Sixteen lines of evidence are available in the administrative record to assess this pollutant. None of the one sample exceeded the criteria for DDT in water. None of the one sample exceeded the criteria for DDT in water. 3 of 4 samples exceeded the guideline for DDT in fish tissue 3 of 3 samples exceeded the guideline for total DDTs in fish tissue None of the 3 samples exceeded the guideline for total DDTs in fish tissue 1 of 1 sample exceeded the guideline for total DDTs in fish tissue
Based on the readily available data and information, the weight of evidence indicates that there is sufficient justification against removing this water segment-pollutant combination from the CWA section 303(d) List. There is sufficient justification to place it in the Being Addressed portion of the CWA 303(d) List because a TMDL has been completed and approved by RWQCB and USEPA, and is expected to result in attainment of the standard.
This conclusion is based on the staff findings that: 1. The data used satisfies the data quality requirements of section 6.1.4 of the Policy. 2. The data used satisfies the data quantity requirements of section 6.1.5 of the Policy. 3. 3 of 4 samples exceeded the guideline for DDT in fish tissue and 3 of 3 samples exceeded the guideline for total DDTs in fish tissue, and these exceed the allowable frequency listed in Table 4.1 of the Listing Policy. 4. The Los Angeles and Long Beach Harbors Toxic and Metals TMDLs was approved by USEPA on March 23, 2012. 5. Pursuant to section 4.11 of the Listing Policy, no additional data and information are available indicating that standards are not met.
Regional Board Decision Recommendation:
After review of the available data and information, RWQCB staff concludes that the water body-pollutant combination should not be removed from the section 303(d) list because applicable water quality standards for the pollutant are being exceeded.
State Board Review of Regional Board Conclusion and Recommendation:
State Board Decision Recommendation:
After review of this Regional Board decision, SWRCB staff recommend the decision be approved by the State Board.
Listing Extent:
Line of Evidence (LOE) for Decision ID 149847, DDT (Dichlorodiphenyltrichloroethane)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
259966
Pollutant:
DDT (Dichlorodiphenyltrichloroethane)
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed City of LB Integrated Monitoring for MS4 Permit data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for DDT(p,p'). Although a total of 8 samples were collected, 8 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
The DDT(4,4') criterion continuous concentration (expressed as a 4-day average) to protect aquatic life in saline water is 0.001 ug/L (California Toxics Rule, 2000).
Line of Evidence (LOE) for Decision ID 149847, DDT (Dichlorodiphenyltrichloroethane)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245122
Pollutant:
Total DDT (sum of 4,4'- and 2,4'- isomers of DDT, DDE, and DDD)
LOE Subgroup:
Pollutant-Tissue
Matrix:
Tissue
Fraction:
Fish fillet
Beneficial Use:
Marine Habitat
Number of Samples:
3
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows 0 of the 3 samples exceeded the water quality threshold for Total DDT (sum of 4,4'- and 2,4'- isomers of DDT, DDE, and DDD). Data were collected for 7 fish species (3 composite(s) of Northern Anchovy each composed of NA fish per composite, 1 composite(s) of White Croaker each composed of 4 fish per composite, 1 composite(s) of White Croaker each composed of 6 fish per composite, 1 composite(s) of White Croaker each composed of 5 fish per composite, 1 composite(s) of California Halibut each composed of 6 fish per composite, 1 composite(s) of California Halibut each composed of 10 fish per composite, 1 composite(s) of California Halibut each composed of 1 fish per composite).
The Water Quality Control Plan for the Los Angeles Region (page 3-29) states that: Toxic pollutants shall not be present at levels that will bioaccumulate in aquatic life to levels which are harmful to aquatic life or human health.
No individual pesticide or combination of pesticides shall be present in concentrations that adversely affect beneficial uses. There shall be no increase in pesticide concentrations found in bottom sediments or aquatic life.
Line of Evidence (LOE) for Decision ID 135754, Chlordane
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246984
Pollutant:
Chlordane
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chlordane .
No individual pesticide or combination of pesticides shall be present in concentrations that adversely affect beneficial uses. There shall be no increase in pesticide concentrations found in bottom sediments or aquatic life.
Data were collected from 1 station(s). Station Code(s): B18-10001 (B18-10001).
Temporal Representation:
National Academy of Science guidelines (NAS 1972) establish a maximum total DDT concentration of 1000 ug/Kg (wet weight) in tissue samples for protection of aquatic life from bioaccumulation of toxic substances.
Data were collected from 1 station(s). Station Code(s): SP_2018_Fish (SP_2018_Fish-East San Pedro Bay).
Temporal Representation:
Data for this line of evidence were collected between 2018-10-02 and 2018-10-02. When composited fish were collected over multiple days, the first day of fish collection was used as the sample date in the LOE, both for LOE writing, and for averaging period purposes.
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 149847, DDT (Dichlorodiphenyltrichloroethane)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
259981
Pollutant:
DDT (Dichlorodiphenyltrichloroethane)
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for DDT(p,p'). Although a total of 5 samples were collected, 5 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
The samples were collected at 1 monitoring site: SP-RW-20 (SP-RW-20-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-01-10 to 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135754, Chlordane
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246988
Pollutant:
Chlordane
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chlordane .
No individual pesticide or combination of pesticides shall be present in concentrations that adversely affect beneficial uses. There shall be no increase in pesticide concentrations found in bottom sediments or aquatic life.
Line of Evidence (LOE) for Decision ID 135754, Chlordane
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246346
Pollutant:
Chlordane
LOE Subgroup:
Pollutant-Sediment
Matrix:
Line of Evidence (LOE) for Decision ID 149847, DDT (Dichlorodiphenyltrichloroethane)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
259983
Pollutant:
DDT (Dichlorodiphenyltrichloroethane)
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
1
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 1 of the 1 samples exceeded the water quality threshold for DDT(p,p'). Although a total of 5 samples were collected, 4 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
The DDT(4,4') criterion continuous concentration (expressed as a 4-day average) to protect aquatic life in saline water is 0.001 ug/L (California Toxics Rule, 2000).
The samples were collected at 1 monitoring site (SP-RW-19).
Temporal Representation:
Data for this waterbody was collected over the date range 2018-01-10 to 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 149847, DDT (Dichlorodiphenyltrichloroethane)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
252242
Pollutant:
DDT (Dichlorodiphenyltrichloroethane)
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed LA County MS4 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the idth="67%">Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chlordane .
No individual pesticide or combination of pesticides shall be present in concentrations that adversely affect beneficial uses. There shall be no increase in pesticide concentrations found in bottom sediments or aquatic life.
Line of Evidence (LOE) for Decision ID 135754, Chlordane
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246775
Pollutant:
Chlordane
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chlordane .
No individual pesticide or combination of pesticides shall be present in concentrations that adversely affect beneficial uses. There shall be no increase in pesticide concentrations found in bottom sediments or aquatic life.
The DDT(4,4') criterion continuous concentration (expressed as a 4-day average) to protect aquatic life in saline water is 0.001 ug/L (California Toxics Rule, 2000).
Line of Evidence (LOE) for Decision ID 149847, DDT (Dichlorodiphenyltrichloroethane)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
252243
Pollutant:
DDT (Dichlorodiphenyltrichloroethane)
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed LA County MS4 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for DDT(p,p'). Although a total of 1 samples were collected, 1 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
Data were collected from 1 station(s). Station Code(s): SP-SS-18 (SP-SS-18-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135754, Chlordane
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246780
Pollutant:
Chlordane
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chlordane .
Waste discharged to the ocean must be essentially free of... Substances which will accumulate to toxic levels in marine waters, sediments or biota. (Chapter III Section A. 2 (b)(3) of the Ocean Plan)
The evaluation guideline for chlordane in estuarine and marine sediments is the Effects Range Median (ERM) value of 6 ng/g dry weight (Long and Morgan, 1990).
Line of Evidence (LOE) for Decision ID 149847, DDT (Dichlorodiphenyltrichloroethane)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
252309
Pollutant:
DDT (Dichlorodiphenyltrichloroethane)
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed LA County MS4 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for DDT(p,p'). Although a total of 3 samples were collected, 3 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
Line of Evidence (LOE) for Decision ID 149847, DDT (Dichlorodiphenyltrichloroethane)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
252240
Pollutant:
DDT (Dichlorodiphenyltrichloroethane)
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
DECISION ID
149847
Region 4
San Pedro Bay Near Off Shore Zones
Pollutant:
DDT (Dichlorodiphenyltrichloroethane)
Final Listing Decision:
Do Not Delist from 303(d) list (being addressed with USEPA approved TMDL)
Last Listing Cycle's Final Listing Decision:
New Decision
Revision Status
Revised
Sources:
See TMDL documentation
TMDL Name:
Dominguez, LA/LB Harbors, San Pedro Bay Metals (75 & 78), toxics(73a) and PAHs (74)
TMDL Project Code:
416
Date TMDL Approved by USEPA:
03/23/2012
Impairment from Pollutant or Pollution:
Pollutant
Regional Board Conclusion:
This pollutant is being considered for removal on the CWA section 303(d) List under sections 2.2, 4.1 and 4.5 of the Listing Policy.
Sixteen lines of evidence are available in the administrative record to assess this pollutant. None of the one sample exceeded the criteria for DDT in water. None of the one sample exceeded the criteria for DDT in water. 3 of 4 samples exceeded the guideline for DDT in fish tissue 3 of 3 samples exceeded the guideline for total DDTs in fish tissue None of the 3 samples exceeded the guideline for total DDTs in fish tissue 1 of 1 sample exceeded the guideline for total DDTs in fish tissue
Based on the readily available data and information, the weight of evidence indicates that there is sufficient justification against removing this water segment-pollutant combination from the CWA section 303(d) List. There is sufficient justification to place it in the Being Addressed portion of the CWA 303(d) List because a TMDL has been completed and approved by RWQCB and USEPA, and is expected to result in attainment of the standard.
This conclusion is based on the staff findings that: 1. The data used satisfies the data quality requirements of section 6.1.4 of the Policy. 2. The data used satisfies the data quantity requirements of section 6.1.5 of the Policy. 3. 3 of 4 samples exceeded the guideline for DDT in fish tissue and 3 of 3 samples exceeded the guideline for total DDTs in fish tissue, and these exceed the allowable frequency listed in Table 4.1 of the Listing Policy. 4. The Los Angeles and Long Beach Harbors Toxic and Metals TMDLs was approved by USEPA on March 23, 2012. 5. Pursuant to section 4.11 of the Listing Policy, no additional data and information are available indicating that standards are not met.
Regional Board Decision Recommendation:
After review of the available data and information, RWQCB staff concludes that the water body-pollutant combination should not be removed from the section 303(d) list because applicable water quality standards for the pollutant are being exceeded.
State Board Review of Regional Board Conclusion and Recommendation:
State Board Decision Recommendation:
After review of this Regional Board decision, SWRCB staff recommend the decision be approved by the State Board.
Listing Extent:
Line of Evidence (LOE) for Decision ID 149847, DDT (Dichlorodiphenyltrichloroethane)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
259966
Pollutant:
DDT (Dichlorodiphenyltrichloroethane)
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed City of LB Integrated Monitoring for MS4 Permit data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for DDT(p,p'). Although a total of 8 samples were collected, 8 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
The DDT(4,4') criterion continuous concentration (expressed as a 4-day average) to protect aquatic life in saline water is 0.001 ug/L (California Toxics Rule, 2000).
Line of Evidence (LOE) for Decision ID 149847, DDT (Dichlorodiphenyltrichloroethane)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245122
Pollutant:
Total DDT (sum of 4,4'- and 2,4'- isomers of DDT, DDE, and DDD)
LOE Subgroup:
Pollutant-Tissue
Matrix:
Tissue
Fraction:
Fish fillet
Beneficial Use:
Marine Habitat
Number of Samples:
3
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows 0 of the 3 samples exceeded the water quality threshold for Total DDT (sum of 4,4'- and 2,4'- isomers of DDT, DDE, and DDD). Data were collected for 7 fish species (3 composite(s) of Northern Anchovy each composed of NA fish per composite, 1 composite(s) of White Croaker each composed of 4 fish per composite, 1 composite(s) of White Croaker each composed of 6 fish per composite, 1 composite(s) of White Croaker each composed of 5 fish per composite, 1 composite(s) of California Halibut each composed of 6 fish per composite, 1 composite(s) of California Halibut each composed of 10 fish per composite, 1 composite(s) of California Halibut each composed of 1 fish per composite).
The Water Quality Control Plan for the Los Angeles Region (page 3-29) states that: Toxic pollutants shall not be present at levels that will bioaccumulate in aquatic life to levels which are harmful to aquatic life or human health.
Water Board staff assessed LA County MS4 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for DDT(p,p'). Although a total of 1 samples were collected, 1 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
The DDT(4,4') criterion continuous concentration (expressed as a 4-day average) to protect aquatic life in saline water is 0.001 ug/L (California Toxics Rule, 2000).
Line of Evidence (LOE) for Decision ID 149847, DDT (Dichlorodiphenyltrichloroethane)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
259792
Pollutant:
DDT (Dichlorodiphenyltrichloroethane)
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for DDT(p,p'). Although a total of 5 samples were collected, 5 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
The DDT(4,4') criterion continuous concentration (expressed as a 4-day average) to protect aquatic life in saline water is 0.001 ug/L (California Toxics Rule, 2000).
The samples were collected at 1 monitoring site: SP-RW-18 (SP-RW-18-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the "67%">National Academy of Science guidelines (NAS 1972) establish a maximum total DDT concentration of 1000 ug/Kg (wet weight) in tissue samples for protection of aquatic life from bioaccumulation of toxic substances.
Data were collected from 1 station(s). Station Code(s): SP_2018_Fish (SP_2018_Fish-East San Pedro Bay).
Temporal Representation:
Data for this line of evidence were collected between 2018-10-02 and 2018-10-02. When composited fish were collected over multiple days, the first day of fish collection was used as the sample date in the LOE, both for LOE writing, and for averaging period purposes.
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 149847, DDT (Dichlorodiphenyltrichloroethane)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
259981
Pollutant:
DDT (Dichlorodiphenyltrichloroethane)
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for DDT(p,p'). Although a total of 5 samples were collected, 5 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
The samples were collected at 1 monitoring site: SP-RW-20 (SP-RW-20-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-01-10 to 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 149847, DDT (Dichlorodiphenyltrichloroethane)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245188
Pollutant:
Total DDT (sum of 4,4'- and 2,4'- isomers of DDT, DDE, and DDD)
LOE Subgroup:
Pollutant-Tissue
Matrix:
Tissue
Fraction:
Fish fillet
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
3
Number of Exceedances:
3
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows 3 of the 3 samples exceeded the water quality threshold for Total DDT (sum of 4,4'- and 2,4'- isomers of DDT, DDE, and DDD). Data were collected for 7 fish species (3 composite(s) of Northern Anchovy each composed of NA fish per composite, 1 composite(s) of White Croaker each composed of 4 fish per composite, 1 composite(s) of White Croaker each composed of 6 fish per composite, 1 composite(s) of White Croaker each composed of 5 fish per composite, 1 composite(s) of California Halibut each composed of 6 fish per composite, 1 composite(s) of California Halibut each composed of 1 fish per composite, 1 composite(s) of California Halibut each composed of 10 fish per composite). Of these, 3 species (Northern Anchovy, White Croaker, California Halibut) exceeded the water quality threshold.
The Water Quality Control Plan for the Los Angeles Region (page 3-29) states that: Toxic pollutants shall not be present at levels that will bioaccumulate in aquatic life to levels which are harmful to aquatic life or human health.
The modified OEHHA Fish Contaminant Goal for total DDT in fish tissue is 15 ppb. This screening level assumes an average body weight of 70 kg and a consumption rate of 32 g/day for a 30 year exposure over a 70-year lifetime. This constituent is a carcinogen therefore the risk level is set to one in a million. A cooking reduction factor of 1 is applied for skin-off fillets. (Klasing, S., and R. Brodberg, 2008)
Data were collected from 1 station(s). Station Code(s): SP_2018_Fish (SP_2018_Fish-East San Pedro Bay).
Temporal Representation:
Data for this line of evidence were collected between 2018-10-02 and 2018-10-02. When composited fish were collected over multiple days, the first day of fish collection was used as the sample date in the LOE, both for LOE writing, and for averaging period purposes.
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 149847, DDT (Dichlorodiphenyltrichloroethane)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
259983
Pollutant:
DDT (Dichlorodiphenyltrichloroethane)
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
1
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 1 of the 1 samples exceeded the water quality threshold for DDT(p,p'). Although a total of 5 samples were collected, 4 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
The DDT(4,4') criterion continuous concentration (expressed as a 4-day average) to protect aquatic life in saline water is 0.001 ug/L (California Toxics Rule, 2000).
The samples were collected at 1 monitoring site (SP-RW-19).
Temporal Representation:
Data for this waterbody was collected over the date range 2018-01-10 to 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 149847, DDT (Dichlorodiphenyltrichloroethane)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
252242
Pollutant:
DDT (Dichlorodiphenyltrichloroethane)
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed LA County MS4 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the 00%" cellspacing="0" cellpadding="0">
Line of Evidence (LOE) for Decision ID 149847, DDT (Dichlorodiphenyltrichloroethane)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
88063
Pollutant:
Total DDT (sum of 4,4'- and 2,4'- isomers of DDT, DDE, and DDD)
LOE Subgroup:
Pollutant-Tissue
Matrix:
Tissue
Fraction:
Shellfish
Beneficial Use:
Shellfish Harvesting
Number of Samples:
1
Number of Exceedances:
1
Data and Information Type:
Shellfish surveys
Data Used to Assess Water Quality:
The sample did exceed the guideline. Data were reported on a dry weight basis and were converted to a wet weight basis by multiplying the dry-weight concentration by a factor of 1 minus the percentage of moisture content expressed as a decimal. The total DDTs were calculated as the sum of 4,4- and 2,4- isomers of DDT, DDE, and DDD.
Toxic pollutants shall not be present at levels that will bioaccumulate in aquatic life to levels which are harmful to aquatic life or human health. No individual pesticide or combination of pesticides shall be present in concentrations that adversely affect beneficial uses. There shall be no bioaccumulation of pesticide concentrations found in bottom sediments or aquatic life.
The modified OEHHA Fish Contaminant Goal for total DDT in shellfish tissue is 23 ppb. This screening level assumes an average body weight of 70 kg and a consumption rate of 21 g/day for a 30 year exposure over a 70-year lifetime. This constituent is a carcinogen therefore the risk level is set to one in a million. (Brodberg, R.K., and G.A. Pollock, 1999; Klasing, S., and R. Brodberg, 2008)
Samples are collected by hand from three sub-locations for each site. The composite sample was collected from Long Beach Breakwater, site LBBW.
Temporal Representation:
Representative samples of locally abundant species were collected during the winter on 3/4/2008
Environmental Conditions:
QAPP Information:
Samples were collected as part of the State Water Board's Mussel Watch Program which is a part of the National Oceanic Administration's (NOAAs) National Status and Trends (NS&T). Mussels are shipped to NOAAs contract labs for analysis of trace constituents and mussel condition. Analytical protocols follow those approved by NOAAs NS&T Program Additional background information can be found at:
http://ccma.nos.noaa.gov/stressors/pollution/nsandt/
QAPP Information Reference(s):
Line of Evidence (LOE) for Decision ID 149847, DDT (Dichlorodiphenyltrichloroethane)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
99
Pollutant:
DDT (Dichlorodiphenyltrichloroethane)
LOE Subgroup:
Pollutant-results are as follows: 0 of the 0 samples exceeded the evaluation guideline for DDT(p,p'). Although a total of 3 samples were collected, 3 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
The DDT(4,4') criterion continuous concentration (expressed as a 4-day average) to protect aquatic life in saline water is 0.001 ug/L (California Toxics Rule, 2000).
Line of Evidence (LOE) for Decision ID 149847, DDT (Dichlorodiphenyltrichloroethane)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
252243
Pollutant:
DDT (Dichlorodiphenyltrichloroethane)
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed LA County MS4 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for DDT(p,p'). Although a total of 1 samples were collected, 1 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
The samples were collected at 1 monitoring site: SP-RW-20 (SP-RW-20-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-02-27 to 2018-02-27
Environmental Conditions:
QAPP Information:
Municipal SeparateTissue
Matrix:
Tissue
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
4
Number of Exceedances:
3
Data and Information Type:
Fish tissue analysis
Data Used to Assess Water Quality:
Three out of 4 samples exceeded. All 4 samples were filet composites representing the following species: queenfish, spotted turbot, and white croaker. All but one white croaker sample exceeded guideline. This white croaker had 99.89 ng/g DDT just below the guideline (TSMP, 2002).
Los Angeles RWQCB Basin Plan: Toxic pollutants shall not be present at levels that will bioaccumulate in aquatic life to levels which are harmful to aquatic life or human health.
CFCP 1998 Year 1 QA Summary - Pesticides and PCBs. California Department of Fish and Game.
CDFG Fish and Wildlife Water Pollution Control Laboratory Data Quality Assurance Report. 1999 Coastal Fish Contamination Program
QAPP Information Reference(s):
Line of Evidence (LOE) for Decision ID 149847, DDT (Dichlorodiphenyltrichloroethane)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
259846
Pollutant:
DDT (Dichlorodiphenyltrichloroethane)
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for DDT(p,p'). Although a total of 5 samples were collected, 5 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
The DDT(4,4') criterion continuous concentration (expressed as a 4-day average) to protect aquatic life in saline water is 0.001 ug/L (California Toxics Rule, 2000).
The samples were collected at 1 monitoring site: SP-RW-20 (SP-RW-20-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-01-10 to 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 149847, DDT (Dichlorodiphenyltrichloroethane)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
259951
Pollutant:
DDT (Dichlorodiphenyltrichloroethane)
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
1
Number of Exceedances:
1
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 1 of the 1 samples exceeded the water quality threshold for DDT(p,p'). Although a total of 5 samples were collected, 4 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
The samples were collected at 1 monitoring site (SP-RW-19).
Temporal Representation:
Data for this waterbody was collected over the date range 2018-01-10 to 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 149847, DDT (Dichlorodiphenyltrichloroethane)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
252309
Pollutant:
DDT (Dichlorodiphenyltrichloroethane)
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed LA County MS4 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for DDT(p,p'). Although a total of 3 samples were collected, 3 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
Line of Evidence (LOE) for Decision ID 149847, DDT (Dichlorodiphenyltrichloroethane)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
252240
Pollutant:
DDT (Dichlorodiphenyltrichloroethane)
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
San Pedro Bay Near Off Shore Zones
LOE ID:
259950
Pollutant:
DDT (Dichlorodiphenyltrichloroethane)
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for DDT(p,p'). Although a total of 5 samples were collected, 5 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
The samples were collected at 1 monitoring site: SP-RW-18 (SP-RW-18-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-01-10 to 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 149847, DDT (Dichlorodiphenyltrichloroethane)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
259774
Pollutant:
DDT (Dichlorodiphenyltrichloroethane)
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed City of LB Integrated Monitoring for MS4 Permit data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for DDT(p,p'). Although a total of 8 samples were collected, 8 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
d align="left" valign="top" width="33%">Data Used to Assess Water Quality:
Water Board staff assessed LA County MS4 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for DDT(p,p'). Although a total of 1 samples were collected, 1 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
The DDT(4,4') criterion continuous concentration (expressed as a 4-day average) to protect aquatic life in saline water is 0.001 ug/L (California Toxics Rule, 2000).
Line of Evidence (LOE) for Decision ID 149847, DDT (Dichlorodiphenyltrichloroethane)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
259792
Pollutant:
DDT (Dichlorodiphenyltrichloroethane)
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for DDT(p,p'). Although a total of 5 samples were collected, 5 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
The DDT(4,4') criterion continuous concentration (expressed as a 4-day average) to protect aquatic life in saline water is 0.001 ug/L (California Toxics Rule, 2000).
The samples were collected at 1 monitoring site: SP-RW-18 (SP-RW-18-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-01-10 to 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 149847, DDT (Dichlorodiphenyltrichloroethane)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245188
Pollutant:
Total DDT (sum of 4,4'- and 2,4'- isomers of DDT, DDE, and DDD)
LOE Subgroup:
Pollutant-Tissue
Matrix:
Tissue
Fraction:
Fish fillet
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
3
Number of Exceedances:
3
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows 3 of the 3 samples exceeded the water quality threshold for Total DDT (sum of 4,4'- and 2,4'- isomers of DDT, DDE, and DDD). Data were collected for 7 fish species (3 composite(s) of Northern Anchovy each composed of NA fish per composite, 1 composite(s) of White Croaker each composed of 4 fish per composite, 1 composite(s) of White Croaker each composed of 6 fish per composite, 1 composite(s) of White Croaker each composed of 5 fish per composite, 1 composite(s) of California Halibut each composed of 6 fish per composite, 1 composite(s) of California Halibut each composed of 1 fish per composite, 1 composite(s) of California Halibut each composed of 10 fish per composite). Of these, 3 species (Northern Anchovy, White Croaker, California Halibut) exceeded the water quality threshold.
The Water Quality Control Plan for the Los Angeles Region (page 3-29) states that: Toxic pollutants shall not be present at levels that will bioaccumulate in aquatic life to levels which are harmful to aquatic life or human health.
The modified OEHHA Fish Contaminant Goal for total DDT in fish tissue is 15 ppb. This screening level assumes an average body weight of 70 kg and a consumption rate of 32 g/day for a 30 year exposure over a 70-year lifetime. This constituent is a carcinogen therefore the risk level is set to one in a million. A cooking reduction factor of 1 is applied for skin-off fillets. (Klasing, S., and R. Brodberg, 2008)
Data were collected from 1 station(s). Station Code(s): SP_2018_Fish (SP_2018_Fish-East San Pedro Bay).
Temporal Representation:
Data for this line of evidence were collected between 2018-10-02 and 2018-10-02. When composited fish were collected over multiple days, the first day of fish collection was used as the sample date in the LOE, both for LOE writing, and for averaging period purposes.
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Do Not Delist from 303(d) list (being addressed with USEPA approved TMDL)
Last Listing Cycle's Final Listing Decision:
Do Not Delist from 303(d) list (being addressed with USEPA approved TMDL)(2018)
Revision Status
Revised
Sources:
A Source Unknown
TMDL Name:
Dominguez, LA/LB Harbors, San Pedro Bay Metals (75 & 78), toxics(73a) and PAHs (74)
TMDL Project Code:
416
Date TMDL Approved by USEPA:
03/23/2012
Impairment from Pollutant or Pollution:
Pollutant
Regional Board Conclusion:
This pollutant is being considered for removal from the CWA section 303(d) List under section 4.1, 4.5 and 4.6 of the Listing Policy.
7 lines of evidence are available in the administrative record to assess pollutant. 3 of 3 samples exceeded the guideline for PCBs in fish tissue. 0 of 3 samples exceeded the guideline for PCBs in fish tissue. 4 of 4 samples exceeded the guideline for PCBs in tissue. 1 of 1 sample exceeded the guideline for PCBs in shellfish tissue. 1 of 19 samples exceeded the guideline for PCBs in sediment. 0 of 0 samples exceeded the guideline for PCBs in water. 0 of 0 samples exceeded the guideline for PCBs in water.
Based on the readily available data and information, the weight of evidence indicates that there is sufficient justification against removing this water segment-pollutant combination from the CWA section 303(d) List. This conclusion is based on the staff findings that: 1. The data used satisfies the data quality requirements of section 6.1.4 of the Policy. 2. The data used satisfies the data quantity requirements of section 6.1.5 of the Policy. 3. 3 of 3, 0 of 3, 4 of 4, 1 of 1, 1 of 19, 0 of 0, 0 of 0 samples exceeded the guidelines and this exceeds the allowable frequency listed in Table 4.1 of the Listing Policy. 4. Pursuant to section 4.11 of the Listing Policy, no additional data and information are available indicating that standards are met.
There is sufficient justification to place this waterbody/pollutant in the Being Addressed portion of the CWA 303(d) List because a TMDL has been completed and approved by USEPA, and is expected to result in attainment of the standard.
This conclusion is based on the staff findings that: 1. The Dominguez Channel and Los Angeles and Long Beach Harbors Toxics and Metals TMDL was approved by USEPA on 03/23/2012.
Regional Board Decision Recommendation:
After review of the available data and information, RWQCB staff concludes that the water body-pollutant combination should not be removed from the section 303(d) list because applicable water quality standards for the pollutant are being exceeded.
State Board Review of Regional Board Conclusion and Recommendation:
State Board Decision Recommendation:
After review of this Regional Board decision, SWRCB staff recommend the decision be approved by the State Board.
Listing Extent:
Line of Evidence (LOE) for Decision ID 135763, PCBs (Polychlorinated biphenyls)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250416
Pollutant:
PCBs (Polychlorinated biphenyls)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
1
Line of Evidence (LOE) for Decision ID 149847, DDT (Dichlorodiphenyltrichloroethane)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
88063
Pollutant:
Total DDT (sum of 4,4'- and 2,4'- isomers of DDT, DDE, and DDD)
LOE Subgroup:
Pollutant-Tissue
Matrix:
Tissue
Fraction:
Shellfish
Beneficial Use:
Shellfish Harvesting
Number of Samples:
1
Number of Exceedances:
1
Data and Information Type:
Shellfish surveys
Data Used to Assess Water Quality:
The sample did exceed the guideline. Data were reported on a dry weight basis and were converted to a wet weight basis by multiplying the dry-weight concentration by a factor of 1 minus the percentage of moisture content expressed as a decimal. The total DDTs were calculated as the sum of 4,4- and 2,4- isomers of DDT, DDE, and DDD.
Toxic pollutants shall not be present at levels that will bioaccumulate in aquatic life to levels which are harmful to aquatic life or human health. No individual pesticide or combination of pesticides shall be present in concentrations that adversely affect beneficial uses. There shall be no bioaccumulation of pesticide concentrations found in bottom sediments or aquatic life.
The modified OEHHA Fish Contaminant Goal for total DDT in shellfish tissue is 23 ppb. This screening level assumes an average body weight of 70 kg and a consumption rate of 21 g/day for a 30 year exposure over a 70-year lifetime. This constituent is a carcinogen therefore the risk level is set to one in a million. (Brodberg, R.K., and G.A. Pollock, 1999; Klasing, S., and R. Brodberg, 2008)
Samples are collected by hand from three sub-locations for each site. The composite sample was collected from Long Beach Breakwater, site LBBW.
Temporal Representation:
Representative samples of locally abundant species were collected during the winter on 3/4/2008
Environmental Conditions:
QAPP Information:
Samples were collected as part of the State Water Board's Mussel Watch Program which is a part of the National Oceanic Administration's (NOAAs) National Status and Trends (NS&T). Mussels are shipped to NOAAs contract labs for analysis of trace constituents and mussel condition. Analytical protocols follow those approved by NOAAs NS&T Program Additional background information can be found at:
http://ccma.nos.noaa.gov/stressors/pollution/nsandt/
QAPP Information Reference(s):
Line of Evidence (LOE) for Decision ID 149847, DDT (Dichlorodiphenyltrichloroethane)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
99
Pollutant:
DDT (Dichlorodiphenyltrichloroethane)
LOE Subgroup:
Pollutant-Tissue
Matrix:
Tissue
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
4
Number of Exceedances:
3
Data and Information Type:
Fish tissue analysis
Data Used to Assess Water Quality:
Three out of 4 samples exceeded. All 4 samples were filet composites representing the following species: queenfish, spotted turbot, and white croaker. All but one white croaker sample exceeded guideline. This white croaker had 99.89 ng/g DDT just below the guideline (TSMP, 2002).
Los Angeles RWQCB Basin Plan: Toxic pollutants shall not be present at levels that will bioaccumulate in aquatic life to levels which are harmful to aquatic life or human health.
CFCP 1998 Year 1 QA Summary - Pesticides and PCBs. California Department of Fish and Game.
CDFG Fish and Wildlife Water Pollution Control Laboratory Data Quality Assurance Report. 1999 Coastal Fish Contamination Program
QAPP Information Reference(s):
Line of Evidence (LOE) for Decision ID 149847, DDT (Dichlorodiphenyltrichloroethane)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
259846
Pollutant:
DDT (Dichlorodiphenyltrichloroethane)
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for DDT(p,p'). Although a total of 5 samples were collected, 5 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
The DDT(4,4') criterion continuous concentration (expressed as a 4-day average) to protect aquatic life in saline water is 0.001 ug/L (California Toxics Rule, 2000).
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 1 of the 1 samples exceeded the evaluation guideline for PCBs (Polychlorinated biphenyls) .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135763, PCBs (Polychlorinated biphenyls)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245191
Pollutant:
PCBs (Polychlorinated biphenyls)
LOE Subgroup:
Pollutant-Tissue
Matrix:
Tissue
Fraction:
Fish fillet
Beneficial Use:
Marine Habitat
Number of Samples:
3
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows 0 of the 3 samples exceeded the water quality threshold for PCBs (Polychlorinated biphenyls). Data were collected for 7 fish species (3 composite(s) of Northern Anchovy each composed of NA fish per composite, 1 composite(s) of White Croaker each composed of 5 fish per composite, 1 composite(s) of White Croaker each composed of 6 fish per composite, 1 composite(s) of White Croaker each composed of 4 fish per composite, 1 composite(s) of California Halibut each composed of 10 fish per composite, 1 composite(s) of California Halibut each composed of 1 fish per composite, 1 composite(s) of California Halibut each composed of 6 fish per composite).
The Water Quality Control Plan for the Los Angeles Region (page 3-29) states that: Toxic pollutants shall not be present at levels that will bioaccumulate in aquatic life to levels which are harmful to aquatic life or human health.
National Academy of Science guidelines (NAS 1972) establish a maximum total PCB Arochlor concentration of 500 ug/Kg (wet weight) in tissue samples for protection of aquatic life from bioaccumulation of toxic substances.
Data were collected from 1 station(s). Station Code(s): SP_2018_Fish (SP_2018_Fish-East San Pedro Bay).
Temporal Representation:
Data for this line of evidence were collected between 2018-10-02 and 2018-10-02. When composited fish were collected over multiple days, the first day of fish collection was used as the sample date in the LOE, both for LOE writing, and for averaging period purposes.
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135763, PCBs (Polychlorinated biphenyls)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
252859
Pollutant:
PCBs (Polychlorinated biphenyls)
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed LA County MS4 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for PCBs (Polychlorinated biphenyls). Although a total of 3 samples were collected, 3 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
The PCB criterion for the protection of human health from consumption of water and organisms is 0.00017 ug/L and is equal to the maximum of the sum of aroclors or congeners (California Toxics Rule, 2000).
Line of Evidence (LOE) for Decision ID 135763, PCBs (Polychlorinated biphenyls)
n Guideline:
Guideline Reference:
Spatial Representation:
The samples were collected at 1 monitoring site: SP-RW-20 (SP-RW-20-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-01-10 to 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 149847, DDT (Dichlorodiphenyltrichloroethane)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
259951
Pollutant:
DDT (Dichlorodiphenyltrichloroethane)
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
1
Number of Exceedances:
1
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 1 of the 1 samples exceeded the water quality threshold for DDT(p,p'). Although a total of 5 samples were collected, 4 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
The samples were collected at 1 monitoring site (SP-RW-19).
Temporal Representation:
Data for this waterbody was collected over the date range 2018-01-10 to 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 149847, DDT (Dichlorodiphenyltrichloroethane)
Region 4
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
264460
Pollutant:
PCBs (Polychlorinated biphenyls)
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for PCBs (Polychlorinated biphenyls). Although a total of 6 samples were collected, 6 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
The PCB criterion for the protection of human health from consumption of water and organisms is 0.00017 ug/L and is equal to the maximum of the sum of aroclors or congeners (California Toxics Rule, 2000).
The samples were collected at 1 monitoring site: SP-RW-19 (SP-RW-19-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2017-09-05 to 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135763, PCBs (Polychlorinated biphenyls)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
264461
Pollutant:
PCBs (Polychlorinated biphenyls)
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed City of LB Integrated Monitoring for MS4 Permit data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for PCBs (Polychlorinated biphenyls). Although a total of 8 samples were collected, 8 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
The PCB criterion for the protection of human health from consumption of water and organisms is 0.00017 ug/L and is equal to the maximum of the sum of aroclors or congeners (California Toxics Rule, 2000).
Line of Evidence (LOE) for Decision ID 135763, PCBs (Polychlorinated biphenyls)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
264425
Pollutant:
PCBs (Polychlorinated biphenyls)
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for PCBs (Polychlorinated biphenyls). Although a total of 6 samples were collected, 6 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
The PCB criterion for the protection of human health from consumption of water and organisms is 0.00017 ug/L and is equal to the maximum of the sum of aroclors or congeners (California Toxics Rule, 2000).
The samples were collected at 1 monitoring site: SP-RW-18 (SP-RW-18-East San Pedro Bay).
San Pedro Bay Near Off Shore Zones
LOE ID:
259950
Pollutant:
DDT (Dichlorodiphenyltrichloroethane)
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for DDT(p,p'). Although a total of 5 samples were collected, 5 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
The samples were collected at 1 monitoring site: SP-RW-18 (SP-RW-18-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-01-10 to 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 149847, DDT (Dichlorodiphenyltrichloroethane)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
259774
Pollutant:
DDT (Dichlorodiphenyltrichloroethane)
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed City of LB Integrated Monitoring for MS4 Permit data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for DDT(p,p'). Although a total of 8 samples were collected, 8 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
Data for this waterbody were collected over the date range 2017-09-05 to 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135763, PCBs (Polychlorinated biphenyls)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
264689
Pollutant:
PCBs (Polychlorinated biphenyls)
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for PCBs (Polychlorinated biphenyls). Although a total of 6 samples were collected, 6 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
The PCB criterion for the protection of human health from consumption of water and organisms is 0.00017 ug/L and is equal to the maximum of the sum of aroclors or congeners (California Toxics Rule, 2000).
The samples were collected at 1 monitoring site: SP-RW-20 (SP-RW-20-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2017-09-05 to 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135763, PCBs (Polychlorinated biphenyls)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
252857
Pollutant:
PCBs (Polychlorinated biphenyls)
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Shellfish Harvesting
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed LA County MS4 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for PCBs (Polychlorinated biphenyls). Although a total of 3 samples were collected, 3 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
The PCB criterion for the protection of human health from consumption of water and organisms is 0.00017 ug/L and is equal to the maximum of the sum of aroclors or congeners (California Toxics Rule, 2000).
Line of Evidence (LOE) for Decision ID 135763, PCBs (Polychlorinated biphenyls)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
264661
Pollutant:
PCBs (Polychlorinated biphenyls)
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Shellfish Harvesting
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed City of LB Integrated Monitoring for MS4 Permit data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for PCBs (Polychlorinated biphenyls). Although a total of 8 samples were collected, 8 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
The PCB criterion for the protection of human health from consumption of water and orga
DECISION ID
135763
Region 4
San Pedro Bay Near Off Shore Zones
Pollutant:
PCBs (Polychlorinated biphenyls)
Final Listing Decision:
Do Not Delist from 303(d) list (being addressed with USEPA approved TMDL)
Last Listing Cycle's Final Listing Decision:
Do Not Delist from 303(d) list (being addressed with USEPA approved TMDL)(2018)
Revision Status
Revised
Sources:
A Source Unknown
TMDL Name:
Dominguez, LA/LB Harbors, San Pedro Bay Metals (75 & 78), toxics(73a) and PAHs (74)
TMDL Project Code:
416
Date TMDL Approved by USEPA:
03/23/2012
Impairment from Pollutant or Pollution:
Pollutant
Regional Board Conclusion:
This pollutant is being considered for removal from the CWA section 303(d) List under section 4.1, 4.5 and 4.6 of the Listing Policy.
7 lines of evidence are available in the administrative record to assess pollutant. 3 of 3 samples exceeded the guideline for PCBs in fish tissue. 0 of 3 samples exceeded the guideline for PCBs in fish tissue. 4 of 4 samples exceeded the guideline for PCBs in tissue. 1 of 1 sample exceeded the guideline for PCBs in shellfish tissue. 1 of 19 samples exceeded the guideline for PCBs in sediment. 0 of 0 samples exceeded the guideline for PCBs in water. 0 of 0 samples exceeded the guideline for PCBs in water.
Based on the readily available data and information, the weight of evidence indicates that there is sufficient justification against removing this water segment-pollutant combination from the CWA section 303(d) List. This conclusion is based on the staff findings that: 1. The data used satisfies the data quality requirements of section 6.1.4 of the Policy. 2. The data used satisfies the data quantity requirements of section 6.1.5 of the Policy. 3. 3 of 3, 0 of 3, 4 of 4, 1 of 1, 1 of 19, 0 of 0, 0 of 0 samples exceeded the guidelines and this exceeds the allowable frequency listed in Table 4.1 of the Listing Policy. 4. Pursuant to section 4.11 of the Listing Policy, no additional data and information are available indicating that standards are met.
There is sufficient justification to place this waterbody/pollutant in the Being Addressed portion of the CWA 303(d) List because a TMDL has been completed and approved by USEPA, and is expected to result in attainment of the standard.
This conclusion is based on the staff findings that: 1. The Dominguez Channel and Los Angeles and Long Beach Harbors Toxics and Metals TMDL was approved by USEPA on 03/23/2012.
Regional Board Decision Recommendation:
After review of the available data and information, RWQCB staff concludes that the water body-pollutant combination should not be removed from the section 303(d) list because applicable water quality standards for the pollutant are being exceeded.
State Board Review of Regional Board Conclusion and Recommendation:
State Board Decision Recommendation:
After review of this Regional Board decision, SWRCB staff recommend the decision be approved by the State Board.
Listing Extent:
Line of Evidence (LOE) for Decision ID 135763, PCBs (Polychlorinated biphenyls)
Line of Evidence (LOE) for Decision ID 135763, PCBs (Polychlorinated biphenyls)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
264515
Pollutant:
PCBs (Polychlorinated biphenyls)
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Shellfish Harvesting
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for PCBs (Polychlorinated biphenyls). Although a total of 6 samples were collected, 6 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
The PCB criterion for the protection of human health from consumption of water and organisms is 0.00017 ug/L and is equal to the maximum of the sum of aroclors or congeners (California Toxics Rule, 2000).
The samples were collected at 1 monitoring site: SP-RW-19 (SP-RW-19-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2017-09-05 to 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 1 of the 1 samples exceeded the evaluation guideline for PCBs (Polychlorinated biphenyls) .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135763, PCBs (Polychlorinated biphenyls)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245191
Pollutant:
PCBs (Polychlorinated biphenyls)
LOE Subgroup:
Pollutant-Tissue
Matrix:
Tissue
Fraction:
Fish fillet
Beneficial Use:
Marine Habitat
Number of Samples:
3
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows 0 of the 3 samples exceeded the water quality threshold for PCBs (Polychlorinated biphenyls). Data were collected for 7 fish species (3 composite(s) of Northern Anchovy each composed of NA fish per composite, 1 composite(s) of White Croaker each composed of 5 fish per composite, 1 composite(s) of White Croaker each composed of 6 fish per composite, 1 composite(s) of White Croaker each composed of 4 fish per composite, 1 composite(s) of California Halibut each composed of 10 fish per composite, 1 composite(s) of California Halibut each composed of 1 fish per composite, 1 composite(s) of California Halibut each composed of 6 fish per composite).
The Water Quality Control Plan for the Los Angeles Region (page 3-29) states that: Toxic pollutants shall not be present at levels that will bioaccumulate in aquatic life to levels which are harmful to aquatic life or human health.
Evaluatio: 0%; FONT-WEIGHT: bold; PADDING-BOTTOM: 3px; WIDTH: 100%; text-align: left; PADDING-TOP: 3px; font-smooth: always">Line of Evidence (LOE) for Decision ID 135763, PCBs (Polychlorinated biphenyls)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
264690
Pollutant:
PCBs (Polychlorinated biphenyls)
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Shellfish Harvesting
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for PCBs (Polychlorinated biphenyls). Although a total of 6 samples were collected, 6 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
The PCB criterion for the protection of human health from consumption of water and organisms is 0.00017 ug/L and is equal to the maximum of the sum of aroclors or congeners (California Toxics Rule, 2000).
The samples were collected at 1 monitoring site: SP-RW-20 (SP-RW-20-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2017-09-05 to 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135763, PCBs (Polychlorinated biphenyls)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
264443
Pollutant:
PCBs (Polychlorinated biphenyls)
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Shellfish Harvesting
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliancn Guideline:
National Academy of Science guidelines (NAS 1972) establish a maximum total PCB Arochlor concentration of 500 ug/Kg (wet weight) in tissue samples for protection of aquatic life from bioaccumulation of toxic substances.
Data were collected from 1 station(s). Station Code(s): SP_2018_Fish (SP_2018_Fish-East San Pedro Bay).
Temporal Representation:
Data for this line of evidence were collected between 2018-10-02 and 2018-10-02. When composited fish were collected over multiple days, the first day of fish collection was used as the sample date in the LOE, both for LOE writing, and for averaging period purposes.
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135763, PCBs (Polychlorinated biphenyls)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
252859
Pollutant:
PCBs (Polychlorinated biphenyls)
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed LA County MS4 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for PCBs (Polychlorinated biphenyls). Although a total of 3 samples were collected, 3 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
The PCB criterion for the protection of human health from consumption of water and organisms is 0.00017 ug/L and is equal to the maximum of the sum of aroclors or congeners (California Toxics Rule, 2000).
Line of Evidence (LOE) for Decision ID 135763, PCBs (Polychlorinated biphenyls)
e Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for PCBs (Polychlorinated biphenyls). Although a total of 6 samples were collected, 6 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
The PCB criterion for the protection of human health from consumption of water and organisms is 0.00017 ug/L and is equal to the maximum of the sum of aroclors or congeners (California Toxics Rule, 2000).
The samples were collected at 1 monitoring site: SP-RW-18 (SP-RW-18-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2017-09-05 to 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135763, PCBs (Polychlorinated biphenyls)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
88060
Pollutant:
PCBs (Polychlorinated biphenyls)
LOE Subgroup:
Pollutant-Tissue
Matrix:
Tissue
Fraction:
Shellfish
Beneficial Use:
Shellfish Harvesting
Number of Samples:
1
Number of Exceedances:
1
Data and Information Type:
Shellfish surveys
Data Used to Assess Water Quality:
The sample did exceed the guideline. Data were reported on a dry weight basis and were converted to a wet weight basis by multiplying the dry-weight concentration by a factor of 1 minus the percentage of moisture content expressed as a decimal. Total PCB was assessed for as follows: PCB aroclors and congeners were summed separately and the sum that yielded the highest value was used for the assessment.
Toxic pollutants shall not be present at levels that will bioaccumulate in aquatic life to levels which are harmful to aquatic life or human health. No individual pesticide or combination of pesticides shall be present in concentrations that adversely affect beneficial uses. There shall be no bioaccumulation of pesticide concentrations found in bottom sediments or aquatic life.
The modified OEHHA Fish Contaminant Goal for polychlorinated biphenyls in shellfish tissue is 3.9 ppb. This screening level assumes an average body weight of 70 kg and a consumption rate of 21 g/day for a 30 year exposure over a 70-year lifetime. This constituent is a carcinogen therefore the risk level is set to one in a million. (Brodberg, R.K., and G.A. Pollock, 1999; Klasing, S., and R. Brodberg, 2008)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
264460
Pollutant:
PCBs (Polychlorinated biphenyls)
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for PCBs (Polychlorinated biphenyls). Although a total of 6 samples were collected, 6 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
The PCB criterion for the protection of human health from consumption of water and organisms is 0.00017 ug/L and is equal to the maximum of the sum of aroclors or congeners (California Toxics Rule, 2000).
The samples were collected at 1 monitoring site: SP-RW-19 (SP-RW-19-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2017-09-05 to 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135763, PCBs (Polychlorinated biphenyls)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
264461
Pollutant:
PCBs (Polychlorinated biphenyls)
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed City of LB Integrated Monitoring for MS4 Permit data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for PCBs (Polychlorinated biphenyls). Although a total of 8 samples were collected, 8 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
The PCB criterion for the protection of human health from consumption of water and organisms is 0.00017 ug/L and is equal to the maximum of the sum of aroclors or congeners (California Toxics Rule, 2000).
Line of Evidence (LOE) for Decision ID 135763, PCBs (Polychlorinated biphenyls)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
264425
Pollutant:
PCBs (Polychlorinated biphenyls)
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for PCBs (Polychlorinated biphenyls). Although a total of 6 samples were collected, 6 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
The PCB criterion for the protection of human health from consumption of water and organisms is 0.00017 ug/L and is equal to the maximum of the sum of aroclors or congeners (California Toxics Rule, 2000).
Samples are collected by hand from three sub-locations for each site. The composite sample was collected from Long Beach Breakwater, site LBBW.
Temporal Representation:
Representative samples of locally abundant species were collected during the winter on 3/4/2008
Environmental Conditions:
QAPP Information:
Samples were collected as part of the State Water Board's Mussel Watch Program which is a part of the National Oceanic Administration's (NOAAs) National Status and Trends (NS&T). Mussels are shipped to NOAAs contract labs for analysis of trace constituents and mussel condition. Analytical protocols follow those approved by NOAAs NS&T Program Additional background information can be found at:
http://ccma.nos.noaa.gov/stressors/pollution/nsandt/
QAPP Information Reference(s):
Line of Evidence (LOE) for Decision ID 135763, PCBs (Polychlorinated biphenyls)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
100
Pollutant:
PCBs (Polychlorinated biphenyls)
LOE Subgroup:
Pollutant-Tissue
Matrix:
Tissue
Fraction:
Total
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
4
Number of Exceedances:
4
Data and Information Type:
Fish tissue analysis
Data Used to Assess Water Quality:
Four out of 4 samples exceeded. All 4 samples were filet composites representing the following species: queenfish, spotted turbot, and white croaker. All samples exceeded guideline (TSMP, 2002).
Los Angeles RWQCB Basin Plan: Toxic pollutants shall not be present at levels that will bioaccumulate in aquatic life to levels which are harmful to aquatic life or human health.
CFCP 1998 Year 1 QA Summary - Pesticides and PCBs. California Department of Fish and Game.
CDFG Fish and Wildlife Water Pollution Control Laboratory Data Quality Assurance Report. 1999 Coastal Fish Contamination Program (CFCP Year 2).
QAPP Information Reference(s):
Line of Evidence (LOE) for Decision ID 135763, PCBs (Polychlorinated biphenyls)
Region 4
Temporal Representation:
Data for this waterbody were collected over the date range 2017-09-05 to 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135763, PCBs (Polychlorinated biphenyls)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
264689
Pollutant:
PCBs (Polychlorinated biphenyls)
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for PCBs (Polychlorinated biphenyls). Although a total of 6 samples were collected, 6 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
The PCB criterion for the protection of human health from consumption of water and organisms is 0.00017 ug/L and is equal to the maximum of the sum of aroclors or congeners (California Toxics Rule, 2000).
The samples were collected at 1 monitoring site: SP-RW-20 (SP-RW-20-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2017-09-05 to 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135763, PCBs (Polychlorinated biphenyls)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
252857
San Pedro Bay Near Off Shore Zones
LOE ID:
245201
Pollutant:
PCBs (Polychlorinated biphenyls)
LOE Subgroup:
Pollutant-Tissue
Matrix:
Tissue
Fraction:
Fish fillet
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
3
Number of Exceedances:
3
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows 3 of the 3 samples exceeded the water quality threshold for PCBs (Polychlorinated biphenyls). Data were collected for 7 fish species (3 composite(s) of Northern Anchovy each composed of NA fish per composite, 1 composite(s) of White Croaker each composed of 4 fish per composite, 1 composite(s) of White Croaker each composed of 5 fish per composite, 1 composite(s) of White Croaker each composed of 6 fish per composite, 1 composite(s) of California Halibut each composed of 1 fish per composite, 1 composite(s) of California Halibut each composed of 6 fish per composite, 1 composite(s) of California Halibut each composed of 10 fish per composite). Of these, 3 species (Northern Anchovy, White Croaker, California Halibut) exceeded the water quality threshold.
The Water Quality Control Plan for the Los Angeles Region (page 3-29) states that: Toxic pollutants shall not be present at levels that will bioaccumulate in aquatic life to levels which are harmful to aquatic life or human health.
The modified OEHHA Fish Contaminant Goal for polychlorinated biphenyls in fish tissue is 2.6 ppb. This screening level assumes an average body weight of 70 kg and a consumption rate of 32 g/day for a 30 year exposure over a 70-year lifetime. This constituent is a carcinogen therefore the risk level is set to one in a million. A cooking reduction factor of 1 is applied for skin-off fillets. (Klasing, S., and R. Brodberg, 2008)
Data were collected from 1 station(s). Station Code(s): SP_2018_Fish (SP_2018_Fish-East San Pedro Bay).
Temporal Representation:
Data for this line of evidence were collected between 2018-10-02 and 2018-10-02. When composited fish were collected over multiple days, the first day of fish collection was used as the sample date in the LOE, both for LOE writing, and for averaging period purposes.
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135763, PCBs (Polychlorinated biphenyls)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250206
Pollutant:
PCBs (Polychlorinated biphenyls)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Pollutant:
PCBs (Polychlorinated biphenyls)
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Shellfish Harvesting
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed LA County MS4 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for PCBs (Polychlorinated biphenyls). Although a total of 3 samples were collected, 3 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
The PCB criterion for the protection of human health from consumption of water and organisms is 0.00017 ug/L and is equal to the maximum of the sum of aroclors or congeners (California Toxics Rule, 2000).
Line of Evidence (LOE) for Decision ID 135763, PCBs (Polychlorinated biphenyls)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
264661
Pollutant:
PCBs (Polychlorinated biphenyls)
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Shellfish Harvesting
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed City of LB Integrated Monitoring for MS4 Permit data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for PCBs (Polychlorinated biphenyls). Although a total of 8 samples were collected, 8 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
The PCB criterion for the protection of human health from consumption of water and orgatop" width="33%">Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for PCBs (Polychlorinated biphenyls) .
Waste discharged to the ocean must be essentially free of... Substances which will accumulate to toxic levels in marine waters, sediments or biota. (Chapter III Section A. 2 (b)(3) of the Ocean Plan)
Line of Evidence (LOE) for Decision ID 135763, PCBs (Polychlorinated biphenyls)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250212
Pollutant:
PCBs (Polychlorinated biphenyls)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for PCBs (Polychlorinated biphenyls) .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
The value used in this assessment comes from MacDonald et al., 2000b is the consensus based midrange effect concentration (MEC) value ofnisms is 0.00017 ug/L and is equal to the maximum of the sum of aroclors or congeners (California Toxics Rule, 2000).
Line of Evidence (LOE) for Decision ID 135763, PCBs (Polychlorinated biphenyls)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
264515
Pollutant:
PCBs (Polychlorinated biphenyls)
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Shellfish Harvesting
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for PCBs (Polychlorinated biphenyls). Although a total of 6 samples were collected, 6 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
The PCB criterion for the protection of human health from consumption of water and organisms is 0.00017 ug/L and is equal to the maximum of the sum of aroclors or congeners (California Toxics Rule, 2000).
The samples were collected at 1 monitoring site: SP-RW-19 (SP-RW-19-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2017-09-05 to 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Data were collected from 1 station(s). Station Code(s): SP-SS-19 (SP-SS-19-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135763, PCBs (Polychlorinated biphenyls)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250324
Pollutant:
PCBs (Polychlorinated biphenyls)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for PCBs (Polychlorinated biphenyls) .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135763, PCBs (Polychlorinated biphenyls)
Region 4 Line of Evidence (LOE) for Decision ID 135763, PCBs (Polychlorinated biphenyls)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
264690
Pollutant:
PCBs (Polychlorinated biphenyls)
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Shellfish Harvesting
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for PCBs (Polychlorinated biphenyls). Although a total of 6 samples were collected, 6 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
The PCB criterion for the protection of human health from consumption of water and organisms is 0.00017 ug/L and is equal to the maximum of the sum of aroclors or congeners (California Toxics Rule, 2000).
The samples were collected at 1 monitoring site: SP-RW-20 (SP-RW-20-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2017-09-05 to 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135763, PCBs (Polychlorinated biphenyls)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
264443
Pollutant:
PCBs (Polychlorinated biphenyls)
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Shellfish Harvesting
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliancv>
San Pedro Bay Near Off Shore Zones
LOE ID:
250443
Pollutant:
PCBs (Polychlorinated biphenyls)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for PCBs (Polychlorinated biphenyls) .
Waste discharged to the ocean must be essentially free of... Substances which will accumulate to toxic levels in marine waters, sediments or biota. (Chapter III Section A. 2 (b)(3) of the Ocean Plan)
Line of Evidence (LOE) for Decision ID 135763, PCBs (Polychlorinated biphenyls)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250226
Pollutant:
PCBs (Polychlorinated biphenyls)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for PCBs (Polychlorinated biphenyls) .
The PCB criterion for the protection of human health from consumption of water and organisms is 0.00017 ug/L and is equal to the maximum of the sum of aroclors or congeners (California Toxics Rule, 2000).
The samples were collected at 1 monitoring site: SP-RW-18 (SP-RW-18-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2017-09-05 to 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135763, PCBs (Polychlorinated biphenyls)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
88060
Pollutant:
PCBs (Polychlorinated biphenyls)
LOE Subgroup:
Pollutant-Tissue
Matrix:
Tissue
Fraction:
Shellfish
Beneficial Use:
Shellfish Harvesting
Number of Samples:
1
Number of Exceedances:
1
Data and Information Type:
Shellfish surveys
Data Used to Assess Water Quality:
The sample did exceed the guideline. Data were reported on a dry weight basis and were converted to a wet weight basis by multiplying the dry-weight concentration by a factor of 1 minus the percentage of moisture content expressed as a decimal. Total PCB was assessed for as follows: PCB aroclors and congeners were summed separately and the sum that yielded the highest value was used for the assessment.
Toxic pollutants shall not be present at levels that will bioaccumulate in aquatic life to levels which are harmful to aquatic life or human health. No individual pesticide or combination of pesticides shall be present in concentrations that adversely affect beneficial uses. There shall be no bioaccumulation of pesticide concentrations found in bottom sediments or aquatic life.
The modified OEHHA Fish Contaminant Goal for polychlorinated biphenyls in shellfish tissue is 3.9 ppb. This screening level assumes an average body weight of 70 kg and a consumption rate of 21 g/day for a 30 year exposure over a 70-year lifetime. This constituent is a carcinogen therefore the risk level is set to one in a million. (Brodberg, R.K., and G.A. Pollock, 1999; Klasing, S., and R. Brodberg, 2008)
SWAMP Data:
Non-SWAMP
Water Quality Objective/Criterion:
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135763, PCBs (Polychlorinated biphenyls)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250667
Pollutant:
PCBs (Polychlorinated biphenyls)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for PCBs (Polychlorinated biphenyls) .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Samples are collected by hand from three sub-locations for each site. The composite sample was collected from Long Beach Breakwater, site LBBW.
Temporal Representation:
Representative samples of locally abundant species were collected during the winter on 3/4/2008
Environmental Conditions:
QAPP Information:
Samples were collected as part of the State Water Board's Mussel Watch Program which is a part of the National Oceanic Administration's (NOAAs) National Status and Trends (NS&T). Mussels are shipped to NOAAs contract labs for analysis of trace constituents and mussel condition. Analytical protocols follow those approved by NOAAs NS&T Program Additional background information can be found at:
http://ccma.nos.noaa.gov/stressors/pollution/nsandt/
QAPP Information Reference(s):
Line of Evidence (LOE) for Decision ID 135763, PCBs (Polychlorinated biphenyls)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
100
Pollutant:
PCBs (Polychlorinated biphenyls)
LOE Subgroup:
Pollutant-Tissue
Matrix:
Tissue
Fraction:
Total
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
4
Number of Exceedances:
4
Data and Information Type:
Fish tissue analysis
Data Used to Assess Water Quality:
Four out of 4 samples exceeded. All 4 samples were filet composites representing the following species: queenfish, spotted turbot, and white croaker. All samples exceeded guideline (TSMP, 2002).
Los Angeles RWQCB Basin Plan: Toxic pollutants shall not be present at levels that will bioaccumulate in aquatic life to levels which are harmful to aquatic life or human health.
CFCP 1998 Year 1 QA Summary - Pesticides and PCBs. California Department of Fish and Game.
CDFG Fish and Wildlife Water Pollution Control Laboratory Data Quality Assurance Report. 1999 Coastal Fish Contamination Program (CFCP Year 2).
QAPP Information Reference(s):
Line of Evidence (LOE) for Decision ID 135763, PCBs (Polychlorinated biphenyls)
Line of Evidence (LOE) for Decision ID 135763, PCBs (Polychlorinated biphenyls)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250245
Pollutant:
PCBs (Polychlorinated biphenyls)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for PCBs (Polychlorinated biphenyls) .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135763, PCBs (Polychlorinated biphenyls)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250351
Pollutant:
PCBs (Polychlorinated biphenyls)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
San Pedro Bay Near Off Shore Zones
LOE ID:
245201
Pollutant:
PCBs (Polychlorinated biphenyls)
LOE Subgroup:
Pollutant-Tissue
Matrix:
Tissue
Fraction:
Fish fillet
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
3
Number of Exceedances:
3
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows 3 of the 3 samples exceeded the water quality threshold for PCBs (Polychlorinated biphenyls). Data were collected for 7 fish species (3 composite(s) of Northern Anchovy each composed of NA fish per composite, 1 composite(s) of White Croaker each composed of 4 fish per composite, 1 composite(s) of White Croaker each composed of 5 fish per composite, 1 composite(s) of White Croaker each composed of 6 fish per composite, 1 composite(s) of California Halibut each composed of 1 fish per composite, 1 composite(s) of California Halibut each composed of 6 fish per composite, 1 composite(s) of California Halibut each composed of 10 fish per composite). Of these, 3 species (Northern Anchovy, White Croaker, California Halibut) exceeded the water quality threshold.
The Water Quality Control Plan for the Los Angeles Region (page 3-29) states that: Toxic pollutants shall not be present at levels that will bioaccumulate in aquatic life to levels which are harmful to aquatic life or human health.
The modified OEHHA Fish Contaminant Goal for polychlorinated biphenyls in fish tissue is 2.6 ppb. This screening level assumes an average body weight of 70 kg and a consumption rate of 32 g/day for a 30 year exposure over a 70-year lifetime. This constituent is a carcinogen therefore the risk level is set to one in a million. A cooking reduction factor of 1 is applied for skin-off fillets. (Klasing, S., and R. Brodberg, 2008)
Data were collected from 1 station(s). Station Code(s): SP_2018_Fish (SP_2018_Fish-East San Pedro Bay).
Temporal Representation:
Data for this line of evidence were collected between 2018-10-02 and 2018-10-02. When composited fish were collected over multiple days, the first day of fish collection was used as the sample date in the LOE, both for LOE writing, and for averaging period purposes.
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135763, PCBs (Polychlorinated biphenyls)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250206
Pollutant:
PCBs (Polychlorinated biphenyls)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for PCBs (Polychlorinated biphenyls) .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135763, PCBs (Polychlorinated biphenyls)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250399
Pollutant:
PCBs (Polychlorinated biphenyls)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for PCBs (Polychlorinated biphenyls) .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for PCBs (Polychlorinated biphenyls) .
Waste discharged to the ocean must be essentially free of... Substances which will accumulate to toxic levels in marine waters, sediments or biota. (Chapter III Section A. 2 (b)(3) of the Ocean Plan)
Line of Evidence (LOE) for Decision ID 135763, PCBs (Polychlorinated biphenyls)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250212
Pollutant:
PCBs (Polychlorinated biphenyls)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for PCBs (Polychlorinated biphenyls) .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
The value used in this assessment comes from MacDonald et al., 2000b is the consensus based midrange effect concentration (MEC) value ofrecords/state_board/2006/ref9.pdf" >Development and evaluation of consensus-based sediment effect concentrations for polychlorinated biphenyls. Environmental Toxicology and Chemistry. 19(5): 1403-1413
Spatial Representation:
Data were collected from 1 station(s). Station Code(s): B13-8315 (B13-8315 OpenwaterStation).
Temporal Representation:
Data for this waterbody were collected over the date range 2013-07-09 to 2013-07-09
Environmental Conditions:
QAPP Information:
SWRCB. 2018. This is a placeholder reference for data that was collected after QAPP requirements were developed, but exempt from the requirements.
Line of Evidence (LOE) for Decision ID 135763, PCBs (Polychlorinated biphenyls)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250301
Pollutant:
PCBs (Polychlorinated biphenyls)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for PCBs (Polychlorinated biphenyls) .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-19 (SP-SS-19-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135763, PCBs (Polychlorinated biphenyls)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250324
Pollutant:
PCBs (Polychlorinated biphenyls)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for PCBs (Polychlorinated biphenyls) .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135763, PCBs (Polychlorinated biphenyls)
Region 4
LOE ID:
250411
Pollutant:
PCBs (Polychlorinated biphenyls)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for PCBs (Polychlorinated biphenyls) .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135763, PCBs (Polychlorinated biphenyls)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250204
Pollutant:
PCBs (Polychlorinated biphenyls)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for PCBs (Polychlorinated biphenyls) .
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for PCBs (Polychlorinated biphenyls) .
Waste discharged to the ocean must be essentially free of... Substances which will accumulate to toxic levels in marine waters, sediments or biota. (Chapter III Section A. 2 (b)(3) of the Ocean Plan)
Line of Evidence (LOE) for Decision ID 135763, PCBs (Polychlorinated biphenyls)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250226
Pollutant:
PCBs (Polychlorinated biphenyls)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for PCBs (Polychlorinated biphenyls) .
Line of Evidence (LOE) for Decision ID 135763, PCBs (Polychlorinated biphenyls)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250575
Pollutant:
PCBs (Polychlorinated biphenyls)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for PCBs (Polychlorinated biphenyls) .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135763, PCBs (Polychlorinated biphenyls)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250667
Pollutant:
PCBs (Polychlorinated biphenyls)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for PCBs (Polychlorinated biphenyls) .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): B18-10002 (B18-10002).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-07-24 to 2018-07-24
Environmental Conditions:
QAPP Information:
SWRCB. 2018. This is a placeholder reference for data that was collected d, but exempt from the requirements.
Line of Evidence (LOE) for Decision ID 135763, PCBs (Polychlorinated biphenyls)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250253
Pollutant:
PCBs (Polychlorinated biphenyls)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for PCBs (Polychlorinated biphenyls) .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135763, PCBs (Polychlorinated biphenyls)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250245
Pollutant:
PCBs (Polychlorinated biphenyls)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for PCBs (Polychlorinated biphenyls) .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135763, PCBs (Polychlorinated biphenyls)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250351
Pollutant:
PCBs (Polychlorinated biphenyls)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for PCBs (Polychlorinated biphenyls) .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-20 (SP-SS-20-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135763, PCBs (Polychlorinated biphenyls)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250273
Pollutant:
PCBs (Polychlorinated biphenyls)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for PCBs (Polychlorinated biphenyls) .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for PCBs (Polychlorinated biphenyls) .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135763, PCBs (Polychlorinated biphenyls)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250399
Pollutant:
PCBs (Polychlorinated biphenyls)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for PCBs (Polychlorinated biphenyls) .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135763, PCBs (Polychlorinated biphenyls)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250283
Pollutant:
PCBs (Polychlorinated biphenyls)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for PCBs (Polychlorinated biphenyls) .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135763, PCBs (Polychlorinated biphenyls)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250285
Pollutant:
PCBs (Polychlorinated biphenyls)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for PCBs (Polychlorinated biphenyls) .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-18 (SP-SS-18-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
records/state_board/2006/ref9.pdf" >Development and evaluation of consensus-based sediment effect concentrations for polychlorinated biphenyls. Environmental Toxicology and Chemistry. 19(5): 1403-1413
Spatial Representation:
Data were collected from 1 station(s). Station Code(s): B13-8315 (B13-8315 OpenwaterStation).
Temporal Representation:
Data for this waterbody were collected over the date range 2013-07-09 to 2013-07-09
Environmental Conditions:
QAPP Information:
SWRCB. 2018. This is a placeholder reference for data that was collected after QAPP requirements were developed, but exempt from the requirements.
Line of Evidence (LOE) for Decision ID 135763, PCBs (Polychlorinated biphenyls)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250301
Pollutant:
PCBs (Polychlorinated biphenyls)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for PCBs (Polychlorinated biphenyls) .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135763, PCBs (Polychlorinated biphenyls)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250411
Pollutant:
PCBs (Polychlorinated biphenyls)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for PCBs (Polychlorinated biphenyls) .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135763, PCBs (Polychlorinated biphenyls)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250204
Pollutant:
PCBs (Polychlorinated biphenyls)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for PCBs (Polychlorinated biphenyls) .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135763, PCBs (Polychlorinated biphenyls)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250575
Pollutant:
PCBs (Polychlorinated biphenyls)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for PCBs (Polychlorinated biphenyls) .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Do Not Delist from 303(d) list (being addressed with USEPA approved TMDL)
Last Listing Cycle's Final Listing Decision:
Do Not Delist from 303(d) list (being addressed with USEPA approved TMDL)(2018)
Revision Status
Revised
Sources:
A Source Unknown
TMDL Name:
Dominguez, LA/LB Harbors, San Pedro Bay Metals (75 & 78), toxics(73a) and PAHs (74)
TMDL Project Code:
416
Date TMDL Approved by USEPA:
03/23/2012
Impairment from Pollutant or Pollution:
Pollutant
Regional Board Conclusion:
Toxicity is being considered for removal from the list under section 4.6 of the Listing Policy. Under section 4.6 a single line of evidence is necessary to assess listing status for toxicity.
5 lines of evidence are available in the administrative record to assess this pollutant. 1 of 3 samples exhibit sediment toxicity. 13 of 50 samples exhibit sediment toxicity. 0 of 3 samples exhibit sediment toxicity. 2 of 9 samples exhibit water toxicity. 0 of 1 sample exhibits water toxicity using the Test of Significant Toxicity.
Based on the readily available data and information, the weight of evidence indicates that there is sufficient justification against removing this water segment-pollutant combination from the section 303(d) list in the Water Quality Limited Segments category.
This conclusion is based on the staff findings that: 1. The sediment quality guideline used complies, with the requirements of section 6.1.3 of the Policy. 2. The data used satisfies the data quality requirements of section 6.1.4 of the Policy. 3. The data used satisfies the data quantity requirements of section 6.1.5 of the Policy. 4. 1 of 3, 13 of 50, and 0 of samples exhibit sediment toxicity and 2 of 9 and 0 of 1 sample exhibit water toxicity, and these exceed the allowable frequency listed in Table 4.1 of the Listing Policy. 5. Pursuant to section 4.11 of the Listing Policy, no additional data and information are available indicating that standards are met.
Regional Board Decision Recommendation:
After review of the available data and information, RWQCB staff concludes that the water body-pollutant combination should not be removed from the section 303(d) list because applicable water quality standards for the pollutant are being exceeded.
State Board Review of Regional Board Conclusion and Recommendation:
State Board Decision Recommendation:
After review of this Regional Board decision, SWRCB staff recommend the decision be approved by the State Board.
Listing Extent:
Line of Evidence (LOE) for Decision ID 135769, Toxicity
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
244528
Pollutant:
Toxicity
LOE Subgroup:
Toxicity
Matrix:
Sediment
Fraction:
None
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
TOXICITY TESTING
Data Used to Assess Water Quality:
0 of the 1 samples collected by Harbor Toxics TMDL Compliance Water Quality for San Pedro Bay Near/Off Shore Zones exhibited toxicity. A sample may have multiple toxicity test results, but will only be counted once. A sample is defined as being collected on the same day and the same location. The following organisms and parameters were utilized for the toxicity tests: Mytilus galloprovincialis for Normal Development, Eohaustorius estuarius for Survival.
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
The sample is toxic when the response of the organisms exposed to the sample is significantly different (worse) than the response of the organisms exposed to the laboratory control based on statistical hypothesis testing. An exceedance is counted when the significant effect code is “Significant; Less Similarity,” which means that the sample result is significantly different than the control result, and the percent effect is greater than the evaluation threshold. The default evaluation threshold is 20% unless otherwise stated.
The samples were collected at monitoring site: SP-SS-18 ( SP-SS-18-East San Pedro Bay ).
Temporal Representation:
The samples were collected between the dates of 2018-08-09 and 2018-08-09.
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135769, Toxicity
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
244538
Pollutant:
Toxicity
LOE Subgroup:
Toxicity
Matrix:
Sediment
Fraction:
None
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
TOXICITY TESTING
Data Used to Assess Water Quality:
0 of the 1 samples collected by Harbor Toxics TMDL Compliance Water Quality for San Pedro Bay Near/Off Shore Zones exhibited toxicity. A sample may have multiple toxicity test results, but will only be counted once. A sample is defined as being collected on the same day and the same location. The following organisms and parameters were utilized for the toxicity tests: Mytilus galloprovincialis for Normal Development, Eohaustorius estuarius for Survival.
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
The sample is toxic when the response of the organisms exposed to the sample is significantly different (worse) than the response of the organisms exposed to the laboratory control based on statistical hypothesis testing. An exceedance is counted when the significant effect code is “Significant; Less Similarity,” which means that the sample result is significantly different than the control result, and the percent effect is greater than the evaluation threshold. The default evaluation threshold is 20% unless otherwise stated.
The samples were collected at monitoring site: SP-SS-19 ( SP-SS-19-East San Pedro Bay ).
Temporal Representation:
The samples were collected between the dates of 2018-08-09 and 2018-08-09.
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135769, Toxicity
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
244540
Pollutant:
Toxicity
LOE Subgroup:
Toxicity
Matrix:
Sediment
Fraction:
None
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
TOXICITY TESTING
Data Used to Assess Water Quality:
0 of the 1 samples collected by Harbor Toxics TMDL Compliance Water Quality for San Pedro Bay Near/Off Shore Zones exhibited toxicity. A sample may have multiple toxicity test results, but will only be counted once. A sample is defined as being collected on the same day and the same location. The following organisms and parameters were utilized for the toxicity tests: Eohaustorius estuarius for Survival, Mytilus galloprovincialis for Normal Development.
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
The sample is toxic when the response of the organisms exposed to the sample is significantly different (worse) than the response of the organisms exposed to the laboratory control based on statistical hypothesis testing. An exceedance is counted when the significant effect code is “Significant; Less Similarity,” which means that the sample result is significantly different than the control result, and the percent effect is greater than the evaluation threshold. The default evaluation threshold is 20% unless otherwise stated.
The samples were collected at monitoring site: SP-SS-20 ( SP-SS-20-East San Pedro Bay ).
Temporal Representation:
The samples were collected between the dates of 2018-08-09 and 2018-08-09.
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135763, PCBs (Polychlorinated biphenyls)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250253
Pollutant:
PCBs (Polychlorinated biphenyls)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for PCBs (Polychlorinated biphenyls) .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135763, PCBs (Polychlorinated biphenyls)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250473
Pollutant:
PCBs (Polychlorinated biphenyls)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for PCBs (Polychlorinated biphenyls) .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-20 (SP-SS-20-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135763, PCBs (Polychlorinated biphenyls)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250273
Pollutant:
PCBs (Polychlorinated biphenyls)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for PCBs (Polychlorinated biphenyls) .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135769, Toxicity
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
244424
Pollutant:
Toxicity
LOE Subgroup:
Toxicity
Matrix:
Water
Fraction:
TST
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
TOXICITY TESTING
Data Used to Assess Water Quality:
0 of the 1 samples collected by City of LB Integrated Monitoring for MS4 Permit for San Pedro Bay Near/Off Shore Zones exhibited toxicity. All samples met the requirements of the State Policy for Water Quality Control: Toxicity Provisions. This includes utilizing the Test of Significant Toxicity (TST) and using toxicity testing methods provided in the Provisions to assess water column toxicity. A sample may have multiple toxicity test results, but will only be counted once. A sample is defined as being collected on the same day and the same location. The following organisms and parameters were utilized for the toxicity tests: Atherinops affinis for Biomass (wt/orig indiv), Macrocystis pyrifera for Growth (length), Macrocystis pyrifera for Germination.
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Attainment of the water quality objective is demonstrated by conducting aquatic toxicity testing, analyzing the data using the TST statistical approach, and rejecting the null hypothesis. The null hypothesis is the following general statement: the ambient water is toxic because the response (e.g., survival, reproduction, growth) of the test organisms in the ambient water sample is less than or equal to 75 percent (chronic) or 80 percent (acute) of the test organisms’ response in the control water sample. The alternative hypothesis is the following general statement: the ambient water is not toxic because the of the test organisms in the ambient water sample is greater than 75 percent (chronic) or 80 percent (acute) of the test organisms’ response in the control water sample.
Line of Evidence (LOE) for Decision ID 135763, PCBs (Polychlorinated biphenyls)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250283
Pollutant:
PCBs (Polychlorinated biphenyls)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for PCBs (Polychlorinated biphenyls) .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135763, PCBs (Polychlorinated biphenyls)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250285
Pollutant:
PCBs (Polychlorinated biphenyls)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for PCBs (Polychlorinated biphenyls) .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-18 (SP-SS-18-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
The Basin Plan states that, "[a]ll waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in human, plant, animal, or aquatic life."
Bay et. al. classifies sediment toxicity based on the following survival percentages: Non toxic if greater than or equal to 80% survival; moderately toxic if between 50 to 80% survival; and highly toxic if less than 50% survival.
A total of three stations were monitored in the San Pedro Bay near/off shore zones which include the following stations:
4066 (Lat: 33.74137, Long: -118.11663),
4274 (Lat: 33.7282833333, Long: -118.157083333), and
4408 (Lat: 33.75495, Long: -118.163533333).
Temporal Representation:
Composite surface sediment samples were taken on 07/21/2003 for station 4066, on 07/16/2003 and 08/07/2003 for stations 4098 and 4274.
Environmental Conditions:
QAPP Information:
Data was collected in compliance with the sampling and monitoring procedures detailed in Southern California Bight 2003 Regional Marine Monitoring Survey Quality Assurance Manual.
Line of Evidence (LOE) for Decision ID 135769, Toxicity
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
102
Pollutant:
Sediment Toxicity
LOE Subgroup:
Toxicity
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
50
Number of Exceedances:
13
Data and Information Type:
Toxicity testing of sediments
Data Used to Assess Water Quality:
Overall, thirteen of 50 samples were toxic. This total was created from several different sediment studies within San Pedro Bay. Eleven of 33 samples were toxic (BPTCP). Two of 14 samples were toxic (Bight, 1998). None of three samples were toxic (W-EMAP) (LARWQCB & CCC, 2004).
Los Angeles RWQCB Basin Plan: All waters should be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological response in, human, plant, animal, or aquatic life.
Samples were considered toxic if (1) there was a significant difference in mean organism response between the sample and the control, and (2) the mean organism response in the test, as a percent of the control, was less than the threshold based on the 90th percentile minimum significant difference value.
Fifty sites were sampled throughout San Pedro Bay.
Temporal Representation:
Samples were collected in 1992, 1994, 1996, 1998 and 1999.
Environmental Conditions:
QAPP Information:
Contaminated Sediment Task Force (2005) and references therein (BPTCP QAPP, Bight 98 QAPP, EMAP 1999 QAPP).
QAPP Information Reference(s):
Line of Evidence (LOE) for Decision ID 135769, Toxicity
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
244439
Pollutant:
Toxicity
LOE Subgroup:
Toxicity
Matrix:
Water
Fraction:
None
Beneficial Use:
Marine Habitat
Number of Samples:
9
Number of Exceedances:
2
Data and Information Type:
TOXICITY TESTING
Data Used to Assess Water Quality:
2 of the 9 samples collected by City of LB Integrated Monitoring for MS4 Permit for San Pedro Bay Near/Off Shore Zones exhibited toxicity. A sample may have multiple toxicity test results, but will only be counted once. A sample is defined as being collected on the same day and the same location. The following organisms and parameters were utilized for the toxicity tests: Strongylocentrotus purpuratus for Fertilization, Atherinops affinis for Survival, Macrocystis pyrifera for Growth (length), Macrocystis pyrifera for Germination, Atherinops affinis for Biomass (wt/orig indiv). The following tests exhibited toxicity: Strongylocentrotus purpuratus for Fertilization on 2018-01-10, Strongylocentrotus purpuratus for Fertilization on 2018-02-27.
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
The sample is toxic when the response of the organisms exposed to the sample is significantly different (worse) than the response of the organisms exposed to the laboratory control based on statistical hypothesis testing. An exceedance is counted when the significant effect code is “Significant; Less Similarity,” which means that the sample result is significantly different than the control result, and the percent effect is greater than the evaluation threshold. The default evaluation threshold is 20% unless otherwise stated.
Do Not Delist from 303(d) list (being addressed with USEPA approved TMDL)
Last Listing Cycle's Final Listing Decision:
Do Not Delist from 303(d) list (being addressed with USEPA approved TMDL)(2018)
Revision Status
Revised
Sources:
A Source Unknown
TMDL Name:
Dominguez, LA/LB Harbors, San Pedro Bay Metals (75 & 78), toxics(73a) and PAHs (74)
TMDL Project Code:
416
Date TMDL Approved by USEPA:
03/23/2012
Impairment from Pollutant or Pollution:
Pollutant
Regional Board Conclusion:
Toxicity is being considered for removal from the list under section 4.6 of the Listing Policy. Under section 4.6 a single line of evidence is necessary to assess listing status for toxicity.
5 lines of evidence are available in the administrative record to assess this pollutant. 1 of 3 samples exhibit sediment toxicity. 13 of 50 samples exhibit sediment toxicity. 0 of 3 samples exhibit sediment toxicity. 2 of 9 samples exhibit water toxicity. 0 of 1 sample exhibits water toxicity using the Test of Significant Toxicity.
Based on the readily available data and information, the weight of evidence indicates that there is sufficient justification against removing this water segment-pollutant combination from the section 303(d) list in the Water Quality Limited Segments category.
This conclusion is based on the staff findings that: 1. The sediment quality guideline used complies, with the requirements of section 6.1.3 of the Policy. 2. The data used satisfies the data quality requirements of section 6.1.4 of the Policy. 3. The data used satisfies the data quantity requirements of section 6.1.5 of the Policy. 4. 1 of 3, 13 of 50, and 0 of samples exhibit sediment toxicity and 2 of 9 and 0 of 1 sample exhibit water toxicity, and these exceed the allowable frequency listed in Table 4.1 of the Listing Policy. 5. Pursuant to section 4.11 of the Listing Policy, no additional data and information are available indicating that standards are met.
Regional Board Decision Recommendation:
After review of the available data and information, RWQCB staff concludes that the water body-pollutant combination should not be removed from the section 303(d) list because applicable water quality standards for the pollutant are being exceeded.
State Board Review of Regional Board Conclusion and Recommendation:
State Board Decision Recommendation:
After review of this Regional Board decision, SWRCB staff recommend the decision be approved by the State Board.
Listing Extent:
Line of Evidence (LOE) for Decision ID 135769, Toxicity
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
244528
Pollutant:
Toxicity
LOE Subgroup:
Toxicity
Matrix:
Sediment
Fraction:
None
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
TOXICITY TESTING
Data Used to Assess Water Quality:
0 of the 1 samples collected by Harbor Toxics TMDL Compliance Water Quality for San Pedro Bay Near/Off Shore Zones exhibited toxicity. A sample may have multiple toxicity test results, but will only be counted once. A sample is defined as being collected on the same day and the same location. The following organisms and parameters were utilized for the toxicity tests: Mytilus galloprovincialis for Normal Development, Eohaustorius estuarius for Survival.
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
The sample is toxic when the response of the organisms exposed to the sample is significantly different (worse) than the response of the organisms exposed to the laboratory control based on statistical hypothesis testing. An exceedance is counted when the significant effect code is “Significant; Less Similarity,” which means that the sample result is significantly different than the control result, and the percent effect is greater than the evaluation threshold. The default evaluation threshold is 20% unless otherwise stated.
The samples were collected at monitoring site: SP-SS-18 ( SP-SS-18-East San Pedro Bay ).
Temporal Representation:
The samples were collected between the dates of 2018-08-09 and 2018-08-09.
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135769, Toxicity
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
244538
Pollutant:
Toxicity
LOE Subgroup:
Toxicity
Matrix:
Sediment
Fraction:
None
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
TOXICITY TESTING
Data Used to Assess Water Quality:
0 of the 1 samples collected by Harbor Toxics TMDL Compliance Water Quality for San Pedro Bay Near/Off Shore Zones exhibited toxicity. A sample may have multiple toxicity test results, but will only be counted once. A sample is defined as being collected on the same day and the same location. The following organisms and parameters were utilized for the toxicity tests: Mytilus galloprovincialis for Normal Development, Eohaustorius estuarius for Survival.
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
The sample is toxic when the response of the organisms exposed to the sample is significantly different (worse) than the response of the organisms exposed to the laboratory control based on statistical hypothesis testing. An exceedance is counted when the significant effect code is “Significant; Less Similarity,” which means that the sample result is significantly different than the control result, and the percent effect is greater than the evaluation threshold. The default evaluation threshold is 20% unless otherwise stated.
The samples were collected at monitoring site: SP-SS-19 ( SP-SS-19-East San Pedro Bay ).
Temporal Representation:
The samples were collected between the dates of 2018-08-09 and 2018-08-09.
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135769, Toxicity
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
244540
Pollutant:
Toxicity
LOE Subgroup:
Toxicity
Matrix:
Sediment
Fraction:
None
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
TOXICITY TESTING
Data Used to Assess Water Quality:
0 of the 1 samples collected by Harbor Toxics TMDL Compliance Water Quality for San Pedro Bay Near/Off Shore Zones exhibited toxicity. A sample may have multiple toxicity test results, but will only be counted once. A sample is defined as being collected on the same day and the same location. The following organisms and parameters were utilized for the toxicity tests: Eohaustorius estuarius for Survival, Mytilus galloprovincialis for Normal Development.
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
The sample is toxic when the response of the organisms exposed to the sample is significantly different (worse) than the response of the organisms exposed to the laboratory control based on statistical hypothesis testing. An exceedance is counted when the significant effect code is “Significant; Less Similarity,” which means that the sample result is significantly different than the control result, and the percent effect is greater than the evaluation threshold. The default evaluation threshold is 20% unless otherwise stated.
The samples were collected at monitoring site: SP-SS-20 ( SP-SS-20-East San Pedro Bay ).
Temporal Representation:
The samples were collected between the dates of 2018-08-09 and 2018-08-09.
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135769, Toxicity
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
244424
Pollutant:
Toxicity
LOE Subgroup:
Toxicity
Matrix:
Water
Fraction:
TST
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
TOXICITY TESTING
Data Used to Assess Water Quality:
0 of the 1 samples collected by City of LB Integrated Monitoring for MS4 Permit for San Pedro Bay Near/Off Shore Zones exhibited toxicity. All samples met the requirements of the State Policy for Water Quality Control: Toxicity Provisions. This includes utilizing the Test of Significant Toxicity (TST) and using toxicity testing methods provided in the Provisions to assess water column toxicity. A sample may have multiple toxicity test results, but will only be counted once. A sample is defined as being collected on the same day and the same location. The following organisms and parameters were utilized for the toxicity tests: Atherinops affinis for Biomass (wt/orig indiv), Macrocystis pyrifera for Growth (length), Macrocystis pyrifera for Germination.
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Attainment of the water quality objective is demonstrated by conducting aquatic toxicity testing, analyzing the data using the TST statistical approach, and rejecting the null hypothesis. The null hypothesis is the following general statement: the ambient water is toxic because the response (e.g., survival, reproduction, growth) of the test organisms in the ambient water sample is less than or equal to 75 percent (chronic) or 80 percent (acute) of the test organisms’ response in the control water sample. The alternative hypothesis is the following general statement: the ambient water is not toxic because the of the test organisms in the ambient water sample is greater than 75 percent (chronic) or 80 percent (acute) of the test organisms’ response in the control water sample.
The Basin Plan states that, "[a]ll waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in human, plant, animal, or aquatic life."
Bay et. al. classifies sediment toxicity based on the following survival percentages: Non toxic if greater than or equal to 80% survival; moderately toxic if between 50 to 80% survival; and highly toxic if less than 50% survival.
A total of three stations were monitored in the San Pedro Bay near/off shore zones which include the following stations:
4066 (Lat: 33.74137, Long: -118.11663),
4274 (Lat: 33.7282833333, Long: -118.157083333), and
4408 (Lat: 33.75495, Long: -118.163533333).
Temporal Representation:
Composite surface sediment samples were taken on 07/21/2003 for station 4066, on 07/16/2003 and 08/07/2003 for stations 4098 and 4274.
Environmental Conditions:
QAPP Information:
Data was collected in compliance with the sampling and monitoring procedures detailed in Southern California Bight 2003 Regional Marine Monitoring Survey Quality Assurance Manual.
Line of Evidence (LOE) for Decision ID 135769, Toxicity
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
102
Pollutant:
Sediment Toxicity
LOE Subgroup:
Toxicity
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
50
Number of Exceedances:
13
Data and Information Type:
Toxicity testing of sediments
Data Used to Assess Water Quality:
Overall, thirteen of 50 samples were toxic. This total was created from several different sediment studies within San Pedro Bay. Eleven of 33 samples were toxic (BPTCP). Two of 14 samples were toxic (Bight, 1998). None of three samples were toxic (W-EMAP) (LARWQCB & CCC, 2004).
Los Angeles RWQCB Basin Plan: All waters should be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological response in, human, plant, animal, or aquatic life.
Samples were considered toxic if (1) there was a significant difference in mean organism response between the sample and the control, and (2) the mean organism response in the test, as a percent of the control, was less than the threshold based on the 90th percentile minimum significant difference value.
Fifty sites were sampled throughout San Pedro Bay.
Temporal Representation:
Samples were collected in 1992, 1994, 1996, 1998 and 1999.
Environmental Conditions:
QAPP Information:
Contaminated Sediment Task Force (2005) and references therein (BPTCP QAPP, Bight 98 QAPP, EMAP 1999 QAPP).
QAPP Information Reference(s):
Line of Evidence (LOE) for Decision ID 135769, Toxicity
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
244439
Pollutant:
Toxicity
LOE Subgroup:
Toxicity
Matrix:
Water
Fraction:
None
Beneficial Use:
Marine Habitat
Number of Samples:
9
Number of Exceedances:
2
Data and Information Type:
TOXICITY TESTING
Data Used to Assess Water Quality:
2 of the 9 samples collected by City of LB Integrated Monitoring for MS4 Permit for San Pedro Bay Near/Off Shore Zones exhibited toxicity. A sample may have multiple toxicity test results, but will only be counted once. A sample is defined as being collected on the same day and the same location. The following organisms and parameters were utilized for the toxicity tests: Strongylocentrotus purpuratus for Fertilization, Atherinops affinis for Survival, Macrocystis pyrifera for Growth (length), Macrocystis pyrifera for Germination, Atherinops affinis for Biomass (wt/orig indiv). The following tests exhibited toxicity: Strongylocentrotus purpuratus for Fertilization on 2018-01-10, Strongylocentrotus purpuratus for Fertilization on 2018-02-27.
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
The sample is toxic when the response of the organisms exposed to the sample is significantly different (worse) than the response of the organisms exposed to the laboratory control based on statistical hypothesis testing. An exceedance is counted when the significant effect code is “Significant; Less Similarity,” which means that the sample result is significantly different than the control result, and the percent effect is greater than the evaluation threshold. The default evaluation threshold is 20% unless otherwise stated.
This pollutant is being considered for placement on the CWA section 303(d) List under section 3.6 of the Listing Policy. Under section 3.6 at least two lines of evidence are necessary to assess listing status for pollutants sediment, and pollutant concentrations in sediment must be associated with sediment toxicity to justify adding that pollutant to the CWA section 303(d) List.
4 lines of evidence is available in the administrative record to assess this pollutant. 0 of the 17 samples exceed the guideline for 2-Methylnaphthalene in sediment. 1 of the 3 samples exhibits sediment toxicity. 13 of the 50 samples exhibits sediment toxicity. 0 of the 3 samples exhibits sediment toxicity.
Based on the readily available data and information, the weight of evidence indicates that there is sufficient justification against placing this water segment-pollutant combination on the CWA section 303(d) List.
This conclusion is based on the staff findings that: 1. The data used satisfies the data quality requirements of section 6.1.4 of the Policy. 2. The data used satisfies the data quantity requirements of section 6.1.5 of the Policy. 3. 0 of the 17 samples exceed the guideline for 2-Methylnaphthalene in sediment and this does not exceed the allowable frequency listed in Table 3.1 of the Listing Policy. 4. Pursuant to section 3.11 of the Listing Policy, no additional data and information are available indicating that standards are not met.
Regional Board Decision Recommendation:
After review of the available data and information, RWQCB staff concludes that though this water body is impaired for sediment toxicity, this water body-pollutant combination should not be placed on the section 303(d) list because applicable water or sediment quality standards for these pollutants are not being exceeded.
State Board Review of Regional Board Conclusion and Recommendation:
State Board Decision Recommendation:
After review of this Regional Board decision, SWRCB staff recommend the decision be approved by the State Board.
Listing Extent:
Line of Evidence (LOE) for Decision ID 135767, 2-Methylnaphthalene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249552
Pollutant:
2-Methylnaphthalene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Methylnaphthalene, 2- .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135767, 2-Methylnaphthalene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250161
Pollutant:
2-Methylnaphthalene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Methylnaphthalene, 2- .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135767, 2-Methylnaphthalene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250072
Pollutant:
2-Methylnaphthalene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Methylnaphthalene, 2- .
Waste discharged to the ocean must be essentially free of... Substances which will accumulate to toxic levels in marine waters, sediments or biota. (Chapter III Section A. 2 (b)(3) of the Ocean Plan)
Line of Evidence (LOE) for Decision ID 135767, 2-Methylnaphthalene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249643
Pollutant:
2-Methylnaphthalene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Methylnaphthalene, 2- .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135767, 2-Methylnaphthalene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249866
Pollutant:
2-Methylnaphthalene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Methylnaphthalene, 2- .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135767, 2-Methylnaphthalene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249869
Pollutant:
2-Methylnaphthalene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Methylnaphthalene, 2- .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135767, 2-Methylnaphthalene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
102
Pollutant:
Sediment Toxicity
LOE Subgroup:
Toxicity
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
50
Number of Exceedances:
13
Data and Information Type:
Toxicity testing of sediments
Data Used to Assess Water Quality:
Overall, thirteen of 50 samples were toxic. This total was created from several different sediment studies within San Pedro Bay. Eleven of 33 samples were toxic (BPTCP). Two of 14 samples were toxic (Bight, 1998). None of three samples were toxic (W-EMAP) (LARWQCB & CCC, 2004).
Los Angeles RWQCB Basin Plan: All waters should be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological response in, human, plant, animal, or aquatic life.
Samples were considered toxic if (1) there was a significant difference in mean organism response between the sample and the control, and (2) the mean organism response in the test, as a percent of the control, was less than the threshold based on the 90th percentile minimum significant difference value.
The Basin Plan states that, "[a]ll waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in human, plant, animal, or aquatic life."
Bay et. al. classifies sediment toxicity based on the following survival percentages: Non toxic if greater than or equal to 80% survival; moderately toxic if between 50 to 80% survival; and highly toxic if less than 50% survival.
A total of three stations were monitored in the San Pedro Bay near/off shore zones which include the following stations:
4066 (Lat: 33.74137, Long: -118.11663),
4274 (Lat: 33.7282833333, Long: -118.157083333), and
4408 (Lat: 33.75495, Long: -118.163533333).
Temporal Representation:
Composite surface sediment samples were taken on 07/21/2003 for station 4066, on 07/16/2003 and 08/07/2003 for stations 4098 and 4274.
Environmental Conditions:
QAPP Information:
Data was collected in compliance with the sampling and monitoring procedures detailed in Southern California Bight 2003 Regional Marine Monitoring Survey Quality Assurance Manual.
Line of Evidence (LOE) for Decision ID 135767, 2-Methylnaphthalene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
244540
Pollutant:
Toxicity
LOE Subgroup:
Toxicity
Matrix:
Sediment
Fraction:
None
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
TOXICITY TESTING
Data Used to Assess Water Quality:
0 of the 1 samples collected by Harbor Toxics TMDL Compliance Water Quality for San Pedro Bay Near/Off Shore Zones exhibited toxicity. A sample may have multiple toxicity test results, but will only be counted once. A sample is defined as being collected on the same day and the same location. The following organisms and parameters were utilized for the toxicity tests: Eohaustorius estuarius for Survival, Mytilus galloprovincialis for Normal Development.
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
The sample is toxic when the response of the organisms exposed to the sample is significantly different (worse) than the response of the organisms exposed to the laboratory control based on statistical hypothesis testing. An exceedance is counted when the significant effect code is “Significant; Less Similarity,” which means that the sample result is significantly different than the control result, and the percent effect is greater than the evaluation threshold. The default evaluation threshold is 20% unless otherwise stated.
The samples were collected at monitoring site: SP-SS-20 ( SP-SS-20-East San Pedro Bay ).
Temporal Representation:
The samples were collected between the dates of 2018-08-09 and 2018-08-09.
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135767, 2-Methylnaphthalene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
244528
Pollutant:
Toxicity
LOE Subgroup:
Toxicity
Matrix:
Sediment
Fraction:
None
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
TOXICITY TESTING
Data Used to Assess Water Quality:
0 of the 1 samples collected by Harbor Toxics TMDL Compliance Water Quality for San Pedro Bay Near/Off Shore Zones exhibited toxicity. A sample may have multiple toxicity test results, but will only be counted once. A sample is defined as being collected on the same day and the same location. The following organisms and parameters were utilized for the toxicity tests: Mytilus galloprovincialis for Normal Development, Eohaustorius estuarius for Survival.
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
The sample is toxic when the response of the organisms exposed to the sample is significantly different (worse) than the response of the organisms exposed to the laboratory control based on statistical hypothesis testing. An exceedance is counted when the significant effect code is “Significant; Less Similarity,” which means that the sample result is significantly different than the control result, and the percent effect is greater than the evaluation threshold. The default evaluation threshold is 20% unless otherwise stated.
The samples were collected at monitoring site: SP-SS-18 ( SP-SS-18-East San Pedro Bay ).
Temporal Representation:
The samples were collected between the dates of 2018-08-09 and 2018-08-09.
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135767, 2-Methylnaphthalene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
244538
Pollutant:
Toxicity
LOE Subgroup:
Toxicity
Matrix:
Sediment
Fraction:
None
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
TOXICITY TESTING
Data Used to Assess Water Quality:
0 of the 1 samples collected by Harbor Toxics TMDL Compliance Water Quality for San Pedro Bay Near/Off Shore Zones exhibited toxicity. A sample may have multiple toxicity test results, but will only be counted once. A sample is defined as being collected on the same day and the same location. The following organisms and parameters were utilized for the toxicity tests: Mytilus galloprovincialis for Normal Development, Eohaustorius estuarius for Survival.
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
The sample is toxic when the response of the organisms exposed to the sample is significantly different (worse) than the response of the organisms exposed to the laboratory control based on statistical hypothesis testing. An exceedance is counted when the significant effect code is “Significant; Less Similarity,” which means that the sample result is significantly different than the control result, and the percent effect is greater than the evaluation threshold. The default evaluation threshold is 20% unless otherwise stated.
The samples were collected at monitoring site: SP-SS-19 ( SP-SS-19-East San Pedro Bay ).
Temporal Representation:
The samples were collected between the dates of 2018-08-09 and 2018-08-09.
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135767, 2-Methylnaphthalene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249646
Pollutant:
2-Methylnaphthalene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Methylnaphthalene, 2- .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-18 (SP-SS-18-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135767, 2-Methylnaphthalene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250117
Pollutant:
2-Methylnaphthalene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Methylnaphthalene, 2- .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135767, 2-Methylnaphthalene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249788
Pollutant:
2-Methylnaphthalene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Methylnaphthalene, 2- .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-20 (SP-SS-20-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135767, 2-Methylnaphthalene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249910
Pollutant:
2-Methylnaphthalene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Methylnaphthalene, 2- .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135767, 2-Methylnaphthalene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249578
Pollutant:
2-Methylnaphthalene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Methylnaphthalene, 2- .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135767, 2-Methylnaphthalene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249693
Pollutant:
2-Methylnaphthalene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Methylnaphthalene, 2- .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135767, 2-Methylnaphthalene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249914
Pollutant:
2-Methylnaphthalene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Methylnaphthalene, 2- .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135767, 2-Methylnaphthalene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249929
Pollutant:
2-Methylnaphthalene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Methylnaphthalene, 2- .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135767, 2-Methylnaphthalene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249936
Pollutant:
2-Methylnaphthalene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Methylnaphthalene, 2- .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135767, 2-Methylnaphthalene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250047
Pollutant:
2-Methylnaphthalene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Methylnaphthalene, 2- .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135767, 2-Methylnaphthalene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249621
Pollutant:
2-Methylnaphthalene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Methylnaphthalene, 2- .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-19 (SP-SS-19-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Insufficient information is available to determine beneficial use support for this waterbody-pollutant combination with the statistical power and confidence required by the Listing Policy. Beneficial use support will be reassessed in a future cycle, if more data are available
Regional Board Decision Recommendation:
After review of the available data and information, RWQCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list. The readily available data and information is insufficient to determine, with the power and confidence of the Listing Policy, the applicable beneficial use support rating.
State Board Review of Regional Board Conclusion and Recommendation:
State Board Decision Recommendation:
After review of the available data and information, SWRCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list because it cannot be determined if applicable water quality standards are not being exceeded.
Listing Extent:
Line of Evidence (LOE) for Decision ID 135749, Antimony
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245543
Pollutant:
Antimony
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Antimony .
Waste discharged to the ocean must be essentially free of... Substances which will accumulate to toxic levels in marine waters, sediments or biota. (Chapter III Section A. 2 (b)(3) of the Ocean Plan)
Line of Evidence (LOE) for Decision ID 135749, Antimony
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245334
Pollutant:
Antimony
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Antimony .
Waste discharged to the ocean must be essentially free of... Substances which will accumulate to toxic levels in marine waters, sediments or biota. (Chapter III Section A. 2 (b)(3) of the Ocean Plan)
Line of Evidence (LOE) for Decision ID 135749, Antimony
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245217
Pollutant:
Antimony
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Antimony .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135749, Antimony
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245213
Pollutant:
Antimony
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Antimony .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135749, Antimony
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245307
Pollutant:
Antimony
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Antimony .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135749, Antimony
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245451
Pollutant:
Antimony
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Antimony .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135749, Antimony
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245362
Pollutant:
Antimony
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Antimony .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135749, Antimony
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245472
Pollutant:
Antimony
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Antimony .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135749, Antimony
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245375
Pollutant:
Antimony
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Antimony .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135749, Antimony
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245383
Pollutant:
Antimony
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Antimony .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135749, Antimony
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245385
Pollutant:
Antimony
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Antimony .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135749, Antimony
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245504
Pollutant:
Antimony
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Antimony .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135749, Antimony
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245505
Pollutant:
Antimony
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Antimony .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135749, Antimony
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245401
Pollutant:
Antimony
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Antimony .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135749, Antimony
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245305
Pollutant:
Antimony
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Antimony .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Do Not List on 303(d) list (TMDL required list)(2018)
Revision Status
Revised
Impairment from Pollutant or Pollution:
Pollutant
Regional Board Conclusion:
Insufficient information is available to determine beneficial use support for this waterbody-pollutant combination with the statistical power and confidence required by the Listing Policy. Beneficial use support will be reassessed in a future cycle, if more data are available
Regional Board Decision Recommendation:
After review of the available data and information, RWQCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list. The readily available data and information is insufficient to determine, with the power and confidence of the Listing Policy, the applicable beneficial use support rating.
State Board Review of Regional Board Conclusion and Recommendation:
State Board Decision Recommendation:
After review of the available data and information, SWRCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list because it cannot be determined if applicable water quality standards are not being exceeded.
Listing Extent:
Line of Evidence (LOE) for Decision ID 135750, Arsenic
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245514
Pollutant:
Arsenic
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Arsenic .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135750, Arsenic
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
88044
Pollutant:
Arsenic
LOE Subgroup:
Pollutant-Tissue
Matrix:
Tissue
Fraction:
Shellfish
Beneficial Use:
Shellfish Harvesting
Number of Samples:
1
Number of Exceedances:
1
Data and Information Type:
Shellfish surveys
Data Used to Assess Water Quality:
The one sample did exceed the guideline. Data were reported on a dry weight basis and were converted to a wet weight basis by multiplying the dry-weight concentration by a factor of 1 minus the percentage of moisture content expressed as a decimal. Ten percent of the total arsenic result was used to estimate of the amount of inorganic arsenic in the sample; this number was screened against the guideline.
Toxic pollutants shall not be present at levels that will bioaccumulate in aquatic life to levels which are harmful to aquatic life or human health. No individual pesticide or combination of pesticides shall be present in concentrations that adversely affect beneficial uses. There shall be no bioaccumulation of pesticide concentrations found in bottom sediments or aquatic life.
The modified OEHHA Fish Contaminant Goal for arsenic in shellfish tissue is 0.0052 ppm. This screening level assumes an average body weight of 70 kg and a consumption rate of 21 g/day for a 30 year exposure over a 70-year lifetime. This constituent is a carcinogen therefore the risk level is set to one in a million. (Brodberg, R.K., and G.A. Pollock, 1999; Klasing, S., and R. Brodberg, 2008; OEHHA, 2004)
Samples are collected by hand from three sub-locations for each site. The composite sample was collected from Long Beach Breakwater, site LBBW.
Temporal Representation:
Representative samples of locally abundant species were collected during the winter on 3/4/2008
Environmental Conditions:
QAPP Information:
Samples were collected as part of the State Water Board's Mussel Watch Program which is a part of the National Oceanic Administration's (NOAAs) National Status and Trends (NS&T). Mussels are shipped to NOAAs contract labs for analysis of trace constituents and mussel condition. Analytical protocols follow those approved by NOAAs NS&T Program Additional background information can be found at:
http://ccma.nos.noaa.gov/stressors/pollution/nsandt/
QAPP Information Reference(s):
Line of Evidence (LOE) for Decision ID 135750, Arsenic
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245824
Pollutant:
Arsenic
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Arsenic .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135750, Arsenic
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245600
Pollutant:
Arsenic
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Arsenic .
Waste discharged to the ocean must be essentially free of... Substances which will accumulate to toxic levels in marine waters, sediments or biota. (Chapter III Section A. 2 (b)(3) of the Ocean Plan)
Line of Evidence (LOE) for Decision ID 135750, Arsenic
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245232
Pollutant:
Arsenic
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Arsenic .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135750, Arsenic
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245850
Pollutant:
Arsenic
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Arsenic .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135750, Arsenic
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245411
Pollutant:
Arsenic
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Arsenic .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135750, Arsenic
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245534
Pollutant:
Arsenic
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Arsenic .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135750, Arsenic
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245211
Pollutant:
Arsenic
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Arsenic .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135750, Arsenic
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245445
Pollutant:
Arsenic
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Arsenic .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135750, Arsenic
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245226
Pollutant:
Arsenic
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Arsenic .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135750, Arsenic
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245894
Pollutant:
Arsenic
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Arsenic .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135750, Arsenic
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245899
Pollutant:
Arsenic
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Arsenic .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135750, Arsenic
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245344
Pollutant:
Arsenic
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Pr
DECISION ID
135767
Region 4
San Pedro Bay Near Off Shore Zones
Pollutant:
2-Methylnaphthalene
Final Listing Decision:
Do Not List on 303(d) list (TMDL required list)
Last Listing Cycle's Final Listing Decision:
New Decision
Revision Status
Revised
Impairment from Pollutant or Pollution:
Pollutant
Regional Board Conclusion:
This pollutant is being considered for placement on the CWA section 303(d) List under section 3.6 of the Listing Policy. Under section 3.6 at least two lines of evidence are necessary to assess listing status for pollutants sediment, and pollutant concentrations in sediment must be associated with sediment toxicity to justify adding that pollutant to the CWA section 303(d) List.
4 lines of evidence is available in the administrative record to assess this pollutant. 0 of the 17 samples exceed the guideline for 2-Methylnaphthalene in sediment. 1 of the 3 samples exhibits sediment toxicity. 13 of the 50 samples exhibits sediment toxicity. 0 of the 3 samples exhibits sediment toxicity.
Based on the readily available data and information, the weight of evidence indicates that there is sufficient justification against placing this water segment-pollutant combination on the CWA section 303(d) List.
This conclusion is based on the staff findings that: 1. The data used satisfies the data quality requirements of section 6.1.4 of the Policy. 2. The data used satisfies the data quantity requirements of section 6.1.5 of the Policy. 3. 0 of the 17 samples exceed the guideline for 2-Methylnaphthalene in sediment and this does not exceed the allowable frequency listed in Table 3.1 of the Listing Policy. 4. Pursuant to section 3.11 of the Listing Policy, no additional data and information are available indicating that standards are not met.
Regional Board Decision Recommendation:
After review of the available data and information, RWQCB staff concludes that though this water body is impaired for sediment toxicity, this water body-pollutant combination should not be placed on the section 303(d) list because applicable water or sediment quality standards for these pollutants are not being exceeded.
State Board Review of Regional Board Conclusion and Recommendation:
State Board Decision Recommendation:
After review of this Regional Board decision, SWRCB staff recommend the decision be approved by the State Board.
Listing Extent:
Line of Evidence (LOE) for Decision ID 135767, 2-Methylnaphthalene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249552
Pollutant:
2-Methylnaphthalene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Methylnaphthalene, 2- .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135750, Arsenic
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245488
Pollutant:
Arsenic
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Arsenic .
Waste discharged to the ocean must be essentially free of... Substances which will accumulate to toxic levels in marine waters, sediments or biota. (Chapter III Section A. 2 (b)(3) of the Ocean Plan)
Line of Evidence (LOE) for Decision ID 135750, Arsenic
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245509
Pollutant:
Arsenic
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Arsenic .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135767, 2-Methylnaphthalene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250161
Pollutant:
2-Methylnaphthalene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Methylnaphthalene, 2- .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135767, 2-Methylnaphthalene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250072
Pollutant:
2-Methylnaphthalene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Methylnaphthalene, 2- .
Waste discharged to the ocean must be essentially free of... Substances which will accumulate to toxic levels in marine waters, sediments or biota. (Chapter III Section A. 2 (b)(3) of the Ocean Plan)
Line of Evidence (LOE) for Decision ID 135767, 2-Methylnaphthalene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249643
Pollutant:
2-Methylnaphthalene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
DECISION ID
135752
Region 4
San Pedro Bay Near Off Shore Zones
Pollutant:
Benzo(a)anthracene
Final Listing Decision:
Do Not List on 303(d) list (TMDL required list)
Last Listing Cycle's Final Listing Decision:
New Decision
Revision Status
Revised
Impairment from Pollutant or Pollution:
Pollutant
Regional Board Conclusion:
This pollutant is being considered for placement on the CWA section 303(d) List under section 3.6 of the Listing Policy. Under section 3.6 at least two lines of evidence are necessary to assess listing status for pollutants sediment, and pollutant concentrations in sediment must be associated with sediment toxicity to justify adding that pollutant to the CWA section 303(d) List.
Based on the readily available data and information, the weight of evidence indicates that there is sufficient justification against placing this water segment-pollutant combination on the CWA section 303(d) List.
This conclusion is based on the staff findings that: 1. The data used satisfies the data quality requirements of section 6.1.4 of the Policy. 2. The data used satisfies the data quantity requirements of section 6.1.5 of the Policy. 3. 0 of 17 samples exceed the guideline and this sample size is and this does not exceed the allowable frequency listed in Table 3.1 of the Listing Policy. 4. Pursuant to section 3.11 of the Listing Policy, no additional data and information are available indicating that standards are not met.
Regional Board Decision Recommendation:
After review of the available data and information, RWQCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list because applicable water quality standards are not being exceeded.
State Board Review of Regional Board Conclusion and Recommendation:
State Board Decision Recommendation:
After review of this Regional Board decision, SWRCB staff recommend the decision be approved by the State Board.
Listing Extent:
Line of Evidence (LOE) for Decision ID 135752, Benzo(a)anthracene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245740
Pollutant:
Benzo(a)anthracene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Benz(a)anthracene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135752, Benzo(a)anthracene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245853
Pollutant:
Benzo(a)anthracene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Benz(a)anthracene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135752, Benzo(a)anthracene
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Methylnaphthalene, 2- .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135767, 2-Methylnaphthalene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249866
Pollutant:
2-Methylnaphthalene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Methylnaphthalene, 2- .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): B18-10006 (B18-10006).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-07-25 to PADDING-LEFT: 0%; FONT-WEIGHT: bold; PADDING-BOTTOM: 3px; WIDTH: 100%; text-align: right; PADDING-TOP: 3px; font-smooth: always">Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245772
Pollutant:
Benzo(a)anthracene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Benz(a)anthracene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135752, Benzo(a)anthracene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245660
Pollutant:
Benzo(a)anthracene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Benz(a)anthracene .
Line of Evidence (LOE) for Decision ID 135767, 2-Methylnaphthalene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249869
Pollutant:
2-Methylnaphthalene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Methylnaphthalene, 2- .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135767, 2-Methylnaphthalene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
102
Pollutant:
Sediment Toxicity
LOE Subgroup:
Toxicity
Matrix:
Sediment
Fraction:
Total
.
SWAMP Data:
Non-SWAMP
Water Quality Objective/Criterion:
Waste discharged to the ocean must be essentially free of... Substances which will accumulate to toxic levels in marine waters, sediments or biota. (Chapter III Section A. 2 (b)(3) of the Ocean Plan)
Line of Evidence (LOE) for Decision ID 135752, Benzo(a)anthracene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245725
Pollutant:
Benzo(a)anthracene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Benz(a)anthracene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): B18-10000 (B18-10000).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-07-24 to 2018-07-24
Environmental Conditions:
QAPP Information:
SWRCB. 2018. This is a placeholder reference for data that was collected after QAPP requirements were developed, but exempt from the requirements.
QAPP InformatiBeneficial Use:
Marine Habitat
Number of Samples:
50
Number of Exceedances:
13
Data and Information Type:
Toxicity testing of sediments
Data Used to Assess Water Quality:
Overall, thirteen of 50 samples were toxic. This total was created from several different sediment studies within San Pedro Bay. Eleven of 33 samples were toxic (BPTCP). Two of 14 samples were toxic (Bight, 1998). None of three samples were toxic (W-EMAP) (LARWQCB & CCC, 2004).
Los Angeles RWQCB Basin Plan: All waters should be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological response in, human, plant, animal, or aquatic life.
Samples were considered toxic if (1) there was a significant difference in mean organism response between the sample and the control, and (2) the mean organism response in the test, as a percent of the control, was less than the threshold based on the 90th percentile minimum significant difference value.
The Basin Plan states that, "[a]ll waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in human, plant, animal, or aquatic life."
Bay et. al. classifies sediment toxicity based on the following survival percentages: Non toxic if greater than or equal to 80% survival; moderately toxic if between 50 to 80% survival; and highly toxic if less than 50% survival.
A total of three stations were monitored in the San Pedro Bay near/off shore zones which include the following stations:
4066 (Lat: 33.74137, Long: -118.11663),
4274 (Lat: 33.7282833333, Long: -118.157083333), and
4408 (Lat: 33.75495, Long: -118.163533333).
Temporal Representation:
Composite surface sediment samples were taken on 07/21/2003 for station 4066, on 07/16/2003 and 08/07/2003 for stations 4098 and 4274.
Environmental Conditions:
QAPP Information:
Data was collected in compliance with the sampling and monitoring procedures detailed in Southern California Bight 2003 Regional Marine Monitoring Survey Quality Assurance Manual.
Line of Evidence (LOE) for Decision ID 135767, 2-Methylnaphthalene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
244540
Pollutant:
Toxicity
LOE Subgroup:
Toxicity
Matrix:
Sediment
Fraction:
None
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
TOXICITY TESTING
Data Used to Assess Water Quality:
0 of the 1 samples collected by Harbor Toxics TMDL Compliance Water Quality for San Pedro Bay Near/Off Shore Zones exhibited toxicity. A sample may have multiple toxicity test results, but will only be counted once. A sample is defined as being collected on the same day and the same location. The following organisms and parameters were utilized for the toxicity tests: Eohaustorius estuarius for Survival, Mytilus galloprovincialis for Normal Development.
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
The sample is toxic when the response of the organisms exposed to the sample is significantly different (worse) than the response of the organisms exposed to the laboratory control based on statistical hypothesis testing. An exceedance is counted when the significant effect code is “Significant; Less Similarity,” which means that the sample result is significantly different than the control result, and the percent effect is greater than the evaluation threshold. The default evaluation threshold is 20% unless otherwise stated.
The samples were collected at monitoring site: SP-SS-20 ( SP-SS-20-East San Pedro Bay ).
Temporal Representation:
The samples were collected between the dates of 2018-08-09 and 2018-08-09.
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135752, Benzo(a)anthracene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245611
Pollutant:
Benzo(a)anthracene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Benz(a)anthracene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135752, Benzo(a)anthracene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245811
Pollutant:
Benzo(a)anthracene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
244528
Pollutant:
Toxicity
LOE Subgroup:
Toxicity
Matrix:
Sediment
Fraction:
None
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
TOXICITY TESTING
Data Used to Assess Water Quality:
0 of the 1 samples collected by Harbor Toxics TMDL Compliance Water Quality for San Pedro Bay Near/Off Shore Zones exhibited toxicity. A sample may have multiple toxicity test results, but will only be counted once. A sample is defined as being collected on the same day and the same location. The following organisms and parameters were utilized for the toxicity tests: Mytilus galloprovincialis for Normal Development, Eohaustorius estuarius for Survival.
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
The sample is toxic when the response of the organisms exposed to the sample is significantly different (worse) than the response of the organisms exposed to the laboratory control based on statistical hypothesis testing. An exceedance is counted when the significant effect code is “Significant; Less Similarity,” which means that the sample result is significantly different than the control result, and the percent effect is greater than the evaluation threshold. The default evaluation threshold is 20% unless otherwise stated.
The samples were collected at monitoring site: SP-SS-18 ( SP-SS-18-East San Pedro Bay ).
Temporal Representation:
The samples were collected between the dates of 2018-08-09 and 2018-08-09.
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135767, 2-Methylnaphthalene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
244538
Pollutant:
Toxicity
LOE Subgroup:
Toxicity
Matrix:
Sediment
Fraction:
None
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
TOXICITY TESTING
Data Used to Assess Water Quality:
0 of the 1 samples collected by Harbor Toxics TMDL Compliance Water Quality for San Pedro Bay Near/Off Shore Zones exhibited toxicity. A sample may have multiple toxicity test results, but will only be counted once. A sample is defined as being collected on the same day and the same location. The following organisms and parameters were utilized for the toxicity tests: Mytilus galloprovincialis for Normal Development, Eohaustorius estuarius for Survival.
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
The sample is toxic when the response of the organisms exposed to the sample is significantly different (worse) than the response of the organisms exposed to the laboratory control based on statistical hypothesis testing. An exceedance is counted when the significant effect code is “Significant; Less Similarity,” which means that the sample result is significantly different than the control result, and the percent effect is greater than the evaluation threshold. The default evaluation threshold is 20% unless otherwise stated.
The samples were collected at monitoring site: SP-SS-19 ( SP-SS-19-East San Pedro Bay ).
Temporal Representation:
The samples were collected between the dates of 2018-08-09 and 2018-08-09.
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135767, 2-Methylnaphthalene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249646
Pollutant:
2-Methylnaphthalene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Methylnaphthalene, 2- .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Benz(a)anthracene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135752, Benzo(a)anthracene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245588
Pollutant:
Benzo(a)anthracene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Benz(a)anthracene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135752, Benzo(a)anthracene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245587
Pollutant:
Benzo(a)anthracene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Benz(a)anthracene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-18 (SP-SS-18-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135767, 2-Methylnaphthalene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250117
Pollutant:
2-Methylnaphthalene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Methylnaphthalene, 2- .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135767, 2-Methylnaphthalene
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Benz(a)anthracene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-18 (SP-SS-18-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135752, Benzo(a)anthracene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245808
Pollutant:
Benzo(a)anthracene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Benz(a)anthracene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Methylnaphthalene, 2- .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-20 (SP-SS-20-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135767, 2-Methylnaphthalene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249910
Pollutant:
2-Methylnaphthalene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Methylnaphthalene, 2- .
Data were collected from 1 station(s). Station Code(s): SP-SS-20 (SP-SS-20-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135752, Benzo(a)anthracene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245764
Pollutant:
Benzo(a)anthracene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Benz(a)anthracene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135752, Benzo(a)anthracene
Region 4 the 2024 Integrated Report in Region 4.
SWAMP Data:
Non-SWAMP
Water Quality Objective/Criterion:
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135767, 2-Methylnaphthalene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249578
Pollutant:
2-Methylnaphthalene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Methylnaphthalene, 2- .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): B13-9245 (B13-9245 OpenwaterStation).
Temporal Representation:
Data for this waterbody were collected over the date range 2013-07-11 to 2013-07-11
Environmental Conditions:
QAPP Information:
SWRCB. 2018. This is a placeholder reference for data that was collected after QAPP requirements were developed, but exempt from the requirements.
QAPP Information Reference(s):
San Pedro Bay Near Off Shore Zones
LOE ID:
245655
Pollutant:
Benzo(a)anthracene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Benz(a)anthracene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135752, Benzo(a)anthracene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245759
Pollutant:
Benzo(a)anthracene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Benz(a)anthracene .
This is a placeholder reference for data that was collected after QAPP requirements were developed, but exempt from the requirements.
Line of Evidence (LOE) for Decision ID 135767, 2-Methylnaphthalene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249693
Pollutant:
2-Methylnaphthalene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Methylnaphthalene, 2- .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135767, 2-Methylnaphthalene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249914
Pollutant:
2-Methylnaphthalene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Methylnaphthalene, 2- .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135767, 2-Methylnaphthalene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249929
Pollutant:
2-Methylnaphthalene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Methylnaphthalene, 2- .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): B18-10000 (B18-10000).
Temporal Rep>
Water Quality Objective/Criterion:
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135752, Benzo(a)anthracene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245647
Pollutant:
Benzo(a)anthracene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Benz(a)anthracene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135752, Benzo(a)anthracene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245854
Pollutant:
Benzo(a)anthracene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Benz(a)anthracene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135752, Benzo(a)anthracene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245924
Pollutant:
Benzo(a)anthracene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Benz(a)anthracene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-19 (SP-SS-19-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135767, 2-Methylnaphthalene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249936
Pollutant:
2-Methylnaphthalene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Methylnaphthalene, 2- .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135767, 2-Methylnaphthalene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250047
Pollutant:
2-Methylnaphthalene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Methylnaphthalene, 2- .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135767, 2-Methylnaphthalene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249621
Pollutant:
2-Methylnaphthalene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Methylnaphthalene, 2- .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-19 (SP-SS-19-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
This pollutant is being considered for placement on the CWA section 303(d) List under section 3.6 of the Listing Policy. Under section 3.6 at least two lines of evidence are necessary to assess listing status for pollutants sediment, and pollutant concentrations in sediment must be associated with sediment toxicity to justify adding that pollutant to the CWA section 303(d) List.
Based on the readily available data and information, the weight of evidence indicates that there is sufficient justification against placing this water segment-pollutant combination on the CWA section 303(d) List in the Water Quality Limited Segments category.
This conclusion is based on the staff findings that: 1. The data used satisfies the data quality requirements of section 6.1.4 of the Policy. 2. The data used satisfies the data quantity requirements of section 6.1.5 of the Policy. 3. 0 of 17 samples exceeded the guideline and this does not exceed the allowable frequency listed in Table 3.1 of the Listing Policy. 4. Pursuant to section 3.11 of the Listing Policy, no additional data and information are available indicating that standards are not met.
Regional Board Decision Recommendation:
After review of the available data and information, RWQCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list because applicable water quality standards are not being exceeded.
State Board Review of Regional Board Conclusion and Recommendation:
State Board Decision Recommendation:
After review of this Regional Board decision, SWRCB staff recommend the decision be approved by the State Board.
Listing Extent:
Line of Evidence (LOE) for Decision ID 135751, Benzo(a)pyrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
102
Pollutant:
Sediment Toxicity
LOE Subgroup:
Toxicity
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
50
Number of Exceedances:
13
Data and Information Type:
Toxicity testing of sediments
Data Used to Assess Water Quality:
Overall, thirteen of 50 samples were toxic. This total was created from several different sediment studies within San Pedro Bay. Eleven of 33 samples were toxic (BPTCP). Two of 14 samples were toxic (Bight, 1998). None of three samples were toxic (W-EMAP) (LARWQCB & CCC, 2004).
Los Angeles RWQCB Basin Plan: All waters should be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological response in, human, plant, animal, or aquatic life.
Samples were considered toxic if (1) there was a significant difference in mean organism response between the sample and the control, and (2) the mean organism response in the test, as a percent of the control, was less than the threshold based on the 90th percentile minimum significant difference value.
The Basin Plan states that, "[a]ll waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in human, plant, animal, or aquatic life."
Bay et. al. classifies sediment toxicity based on the following survival percentages: Non toxic if greater than or equal to 80% survival; moderately toxic if between 50 to 80% survival; and highly toxic if less than 50% survival.
A total of three stations were monitored in the San Pedro Bay near/off shore zones which include the following stations:
4066 (Lat: 33.74137, Long: -118.11663),
4274 (Lat: 33.7282833333, Long: -118.157083333), and
4408 (Lat: 33.75495, Long: -118.163533333).
Temporal Representation:
Composite surface sediment samples were taken on 07/21/2003 for station 4066, on 07/16/2003 and 08/07/2003 for stations 4098 and 4274.
Environmental Conditions:
QAPP Information:
Data was collected in compliance with the sampling and monitoring procedures detailed in Southern California Bight 2003 Regional Marine Monitoring Survey Quality Assurance Manual.
Line of Evidence (LOE) for Decision ID 135751, Benzo(a)pyrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
244540
Pollutant:
Toxicity
LOE Subgroup:
Toxicity
Matrix:
Sediment
Fraction:
None
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
TOXICITY TESTING
Data Used to Assess Water Quality:
0 of the 1 samples collected by Harbor Toxics TMDL Compliance Water Quality for San Pedro Bay Near/Off Shore Zones exhibited toxicity. A sample may have multiple toxicity test results, but will only be counted once. A sample is defined as being collected on the same day and the same location. The following organisms and parameters were utilized for the toxicity tests: Eohaustorius estuarius for Survival, Mytilus galloprovincialis for Normal Development.
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
The sample is toxic when the response of the organisms exposed to the sample is significantly different (worse) than the response of the organisms exposed to the laboratory control based on statistical hypothesis testing. An exceedance is counted when the significant effect code is “Significant; Less Similarity,” which means that the sample result is significantly different than the control result, and the percent effect is greater than the evaluation threshold. The default evaluation threshold is 20% unless otherwise stated.
The samples were collected at monitoring site: SP-SS-20 ( SP-SS-20-East San Pedro Bay ).
Temporal Representation:
The samples were collected between the dates of 2018-08-09 and 2018-08-09.
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135751, Benzo(a)pyrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
244528
Pollutant:
Toxicity
LOE Subgroup:
Toxicity
Matrix:
Sediment
Fraction:
None
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
TOXICITY TESTING
Data Used to Assess Water Quality:
0 of the 1 samples collected by Harbor Toxics TMDL Compliance Water Quality for San Pedro Bay Near/Off Shore Zones exhibited toxicity. A sample may have multiple toxicity test results, but will only be counted once. A sample is defined as being collected on the same day and the same location. The following organisms and parameters were utilized for the toxicity tests: Mytilus galloprovincialis for Normal Development, Eohaustorius estuarius for Survival.
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
The sample is toxic when the response of the organisms exposed to the sample is significantly different (worse) than the response of the organisms exposed to the laboratory control based on statistical hypothesis testing. An exceedance is counted when the significant effect code is “Significant; Less Similarity,” which means that the sample result is significantly different than the control result, and the percent effect is greater than the evaluation threshold. The default evaluation threshold is 20% unless otherwise stated.
The samples were collected at monitoring site: SP-SS-18 ( SP-SS-18-East San Pedro Bay ).
Temporal Representation:
The samples were collected between the dates of 2018-08-09 and 2018-08-09.
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135751, Benzo(a)pyrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246026
Pollutant:
Benzo(a)pyrene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Benzo(a)pyrene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
The evaluation guideline for benzo[a]pyrene is the probable effect level (PEL) of 763 ug/kg dry weight (MacDonald e
DECISION ID
135749
Region 4
San Pedro Bay Near Off Shore Zones
Pollutant:
Antimony
Final Listing Decision:
Do Not List on 303(d) list (TMDL required list)
Last Listing Cycle's Final Listing Decision:
New Decision
Revision Status
Revised
Impairment from Pollutant or Pollution:
Pollutant
Regional Board Conclusion:
Insufficient information is available to determine beneficial use support for this waterbody-pollutant combination with the statistical power and confidence required by the Listing Policy. Beneficial use support will be reassessed in a future cycle, if more data are available
Regional Board Decision Recommendation:
After review of the available data and information, RWQCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list. The readily available data and information is insufficient to determine, with the power and confidence of the Listing Policy, the applicable beneficial use support rating.
State Board Review of Regional Board Conclusion and Recommendation:
State Board Decision Recommendation:
After review of the available data and information, SWRCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list because it cannot be determined if applicable water quality standards are not being exceeded.
Listing Extent:
Line of Evidence (LOE) for Decision ID 135749, Antimony
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245543
Pollutant:
Antimony
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Antimony .
Waste discharged to the ocean must be essentially free of... Substances which will accumulate to toxic levels in marine waters, sediments or biota. (Chapter III Section A. 2 (b)(3) of the Ocean Plan)
Line of Evidence (LOE) for Decision ID 135749, Antimony
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245334
Pollutant:
Antimony
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Antimony .
Waste discharged to the ocean must be essentially free of... Substances which will accumulate to toxic levels in marine waters, sediments or biota. (Chapter III Section A. 2 (b)(3) of the Ocean Plan)
Line of Evidence (LOE) for Decision ID 135751, Benzo(a)pyrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246116
Pollutant:
Benzo(a)pyrene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Benzo(a)pyrene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135751, Benzo(a)pyrene
Region 4
San Pedro Bay Near Off Shore Zones
San Pedro Bay Near Off Shore Zones
LOE ID:
245217
Pollutant:
Antimony
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Antimony .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135749, Antimony
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245213
Pollutant:
Antimony
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Antimony .
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Benzo(a)pyrene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135751, Benzo(a)pyrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246003
Pollutant:
Benzo(a)pyrene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Benzo(a)pyrene .
Waste discharged to the ocean must be essentially free of... Substances which will accumulate to toxic levels in marine waters, sediments ive/Criterion:
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135749, Antimony
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245307
Pollutant:
Antimony
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Antimony .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135751, Benzo(a)pyrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245892
Pollutant:
Benzo(a)pyrene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Benzo(a)pyrene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135749, Antimony
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245451
Pollutant:
Antimony
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Antimony .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135749, Antimony
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245362
Pollutant:
Antimony
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Line of Evidence (LOE) for Decision ID 135751, Benzo(a)pyrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245891
Pollutant:
Benzo(a)pyrene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Benzo(a)pyrene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-20 (SP-SS-20-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135751, Benzo(a)pyrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246201
Pollutant:
Benzo(a)pyrene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Benzo(a)pyrene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135751, Benzo(a)pyrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
244538
Pollutant:
Toxicity
LOE Subgroup:
Toxicity
Matrix:
Sediment
Fraction:
None
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
TOXICITY TESTING
Data Used to Assess Water Quality:
0 of the 1 samples collected by Harbor Toxics TMDL Compliance Water Quality for San Pedro Bay Near/Off Shore Zones exhibited toxicity. A sample may have multiple toxicity test results, but will only be counted once. A sample is defined as being collected on the same day and the same location. The following organisms and parameters were utilized for the toxicity tests: Mytilus galloprovincialis for Normal Development, Eohaustorius estuarius for Survival.
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
The sample is toxic when the response of the organisms exposed to the sample is significantly different (worse) than the response of the organisms exposed to the laboratory control based on statistical hypothesis testing. An exceedance is counted when the significant effect code is “Significant; Less Similarity,” which means that the sample result is significantly different than the control result, and the percent effect is greater than the evaluation threshold. The default evaluation threshold is 20% unless otherwise stated.
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135749, Antimony
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245472
Pollutant:
Antimony
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Antimony .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135749, Antimony
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245375
Pollutant:
Antimony
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Antimony .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135749, Antimony
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245383
Pollutant:
Antimony
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Antimony .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135749, Antimony
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245385
Pollutant:
Antimony
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Antimony .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135749, Antimony
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245504
Pollutant:
Antimony
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Antimony .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135749, Antimony
Region 4 ion Agency. Washington, D.C. EPA-821-R-02-013
Spatial Representation:
The samples were collected at monitoring site: SP-SS-19 ( SP-SS-19-East San Pedro Bay ).
Temporal Representation:
The samples were collected between the dates of 2018-08-09 and 2018-08-09.
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135751, Benzo(a)pyrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246093
Pollutant:
Benzo(a)pyrene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Benzo(a)pyrene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135751, Benzo(a)pyrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246271
San Pedro Bay Near Off Shore Zones
LOE ID:
245505
Pollutant:
Antimony
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Antimony .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135749, Antimony
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245401
Pollutant:
Antimony
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Antimony .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135749, Antimony
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245305
Pollutant:
Antimony
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Antimony .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Benzo(a)pyrene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-19 (SP-SS-19-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135751, Benzo(a)pyrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246063
Pollutant:
Benzo(a)pyrene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Benzo(a)pyrene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Objective/Criterion Reference:
DECISION ID
135750
Region 4
San Pedro Bay Near Off Shore Zones
Pollutant:
Arsenic
Final Listing Decision:
Do Not List on 303(d) list (TMDL required list)
Last Listing Cycle's Final Listing Decision:
Do Not List on 303(d) list (TMDL required list)(2018)
Revision Status
Revised
Impairment from Pollutant or Pollution:
Pollutant
Regional Board Conclusion:
Insufficient information is available to determine beneficial use support for this waterbody-pollutant combination with the statistical power and confidence required by the Listing Policy. Beneficial use support will be reassessed in a future cycle, if more data are available
Regional Board Decision Recommendation:
After review of the available data and information, RWQCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list. The readily available data and information is insufficient to determine, with the power and confidence of the Listing Policy, the applicable beneficial use support rating.
State Board Review of Regional Board Conclusion and Recommendation:
State Board Decision Recommendation:
After review of the available data and information, SWRCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list because it cannot be determined if applicable water quality standards are not being exceeded.
Listing Extent:
Line of Evidence (LOE) for Decision ID 135750, Arsenic
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245514
Pollutant:
Arsenic
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Arsenic .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135750, Arsenic
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
88044
Pollutant:
Arsenic
LOE Subgroup:
Pollutant-Tissue
Matrix:
Tissue
Fraction:
Shellfish
Beneficial Use:
Shellfish Harvesting
Number of Samples:
1
Number of Exceedances:
1
Data and Information Type:
Shellfish surveys
Data Used to Assess Water Quality:
The one sample did exceed the guideline. Data were reported on a dry weight basis and were converted to a wet weight basis by multiplying the dry-weight concentration by a factor of 1 minus the percentage of moisture content expressed as a decimal. Ten percent of the total arsenic result was used to estimate of the amount of inorganic arsenic in the sample; this number was screened against the guideline.
Toxic pollutants shall not be present at levels that will bioaccumulate in aquatic life to levels which are harmful to aquatic life or human health. No individual pesticide or combination of pesticides shall be present in concentrations that adversely affect beneficial uses. There shall be no bioaccumulation of pesticide concentrations found in bottom sediments or aquatic life.
The modified OEHHA Fish Contaminant Goal for arsenic in shellfish tissue is 0.0052 ppm. This screening level assumes an average body weight of 70 kg and a consumption rate of 21 g/day for a 30 year exposure over a 70-year lifetime. This constituent is a carcinogen therefore the risk level is set to one in a million. (Brodberg, R.K., and G.A. Pollock, 1999; Klasing, S., and R. Brodberg, 2008; OEHHA, 2004)
Samples are collected by hand from three sub-locations for each site. The composite sample was collected from Long Beach Breakwater, site LBBW.
Temporal Representation:
Representative samples of locally abundant species were collected during the winter on 3/4/2008
Environmental Conditions:
QAPP Information:
Samples were collected as part of the State Water Board's Mussel Watch Program which is a part of the National Oceanic Administration's (NOAAs) National Status and Trends (NS&T). Mussels are shipped to NOAAs contract labs for analysis of trace constituents and mussel condition. Analytical protocols follow those approved by NOAAs NS&T Program Additional background information can be found at:
http://ccma.nos.noaa.gov/stressors/pollution/nsandt/
QAPP Information Reference(s):
Line of Evidence (LOE) for Decision ID 135750, Arsenic
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245824
Pollutant:
Arsenic
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Arsenic .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135750, Arsenic
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245600
Pollutant:
Arsenic
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Arsenic .
Waste discharged to the ocean must be essentially free of... Substances which will accumulate to toxic levels in marine waters, sediments or biota. (Chapter III Section A. 2 (b)(3) of the Ocean Plan)
Line of Evidence (LOE) for Decision ID 135750, Arsenic
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245232
Pollutant:
Arsenic
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Arsenic .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135751, Benzo(a)pyrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245844
Pollutant:
Benzo(a)pyrene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Benzo(a)pyrene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135750, Arsenic
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245850
Pollutant:
Arsenic
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Arsenic .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Benzo(a)pyrene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135751, Benzo(a)pyrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246044
Pollutant:
Benzo(a)pyrene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Benzo(a)pyrene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135751, Benzo(a)pyrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246042
Pollutant:
Benzo(a)pyrene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Benzo(a)pyrene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Arsenic .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135750, Arsenic
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245534
Pollutant:
Arsenic
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Arsenic .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135750, Arsenic
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245211
Pollutant:
Arsenic
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Arsenic .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135750, Arsenic
This is a placeholder reference for data that was collected after QAPP requirements were developed, but exempt from the requirements.
Line of Evidence (LOE) for Decision ID 135751, Benzo(a)pyrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245797
Pollutant:
Benzo(a)pyrene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Benzo(a)pyrene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-18 (SP-SS-18-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135751, Benzo(a)pyrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245917
Pollutant:
Benzo(a)pyrene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
NG-TOP: 3px; font-smooth: always">Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245445
Pollutant:
Arsenic
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Arsenic .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135750, Arsenic
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245226
Pollutant:
Arsenic
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Arsenic .
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Benzo(a)pyrene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135751, Benzo(a)pyrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246199
Pollutant:
Benzo(a)pyrene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Benzo(a)pyrene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135750, Arsenic
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245894
Pollutant:
Arsenic
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Arsenic .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135750, Arsenic
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245899
Pollutant:
Arsenic
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Arsenic .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135750, Arsenic
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245344
Pollutant:
Arsenic
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Pr
DECISION ID
135753
Region 4
San Pedro Bay Near Off Shore Zones
Pollutant:
Cadmium
Final Listing Decision:
Do Not List on 303(d) list (TMDL required list)
Last Listing Cycle's Final Listing Decision:
Do Not List on 303(d) list (TMDL required list)(2018)
Revision Status
Revised
Impairment from Pollutant or Pollution:
Pollutant
Regional Board Conclusion:
This pollutant is being considered for placement on the CWA section 303(d) List under sections 3.1, 3.5 and 3.6 of the Listing Policy. Under sections 3.1 and 3.5 a single line of evidence is necessary to assess listing status. Under section 3.6 at least two lines of evidence are necessary to assess listing status for pollutants sediment, and pollutant concentrations in sediment must be associated with sediment toxicity to justify adding that pollutant to the CWA section 303(d) List.
1 line of evidence is available in the administrative record to assess this pollutant. 0 of 40 samples exceeded the criteria for cadmium in water. 0 of 1 sample exceeded the guideline for cadmium in shellfish tissue. 0 of 15 sample exceeded the guideline for cadmium in sediment.
Based on the readily available data and information, the weight of evidence indicates that there is insufficient justification for placing this water segment-pollutant combination on the CWA section 303(d) List. This conclusion is based on the staff findings that: 1. The data used satisfies the data quality requirements of section 6.1.4 of the Policy. 2. The data used satisfies the data quantity requirements of section 6.1.5 of the Policy. 3. 0 of 40 samples exceeded the criteria and this does not exceed the allowable frequency listed in Table 3.1 of the Listing Policy. 0 of 1 and 0 of 15 samples exceeded the guidelines and this sample size is insufficient to determine, with the power and confidence of the Listing Policy, the applicable beneficial use support rating. A minimum of 16 samples is needed to determine if a beneficial use is fully supported using table 3.1. 4. Pursuant to SECTION 3.11 of the Listing Policy, no additional data and information are available indicating that standards are not met.
Regional Board Decision Recommendation:
After review of the available data and information, RWQCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list because applicable water quality standards are not being exceeded.
State Board Review of Regional Board Conclusion and Recommendation:
State Board Decision Recommendation:
After review of this Regional Board decision, SWRCB staff recommend the decision be approved by the State Board.
Listing Extent:
Line of Evidence (LOE) for Decision ID 135753, Cadmium
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246623
Pollutant:
Cadmium
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Cadmium .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135750, Arsenic
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245488
Pollutant:
Arsenic
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Arsenic .
Waste discharged to the ocean must be essentially free of... Substances which will accumulate to toxic levels in marine waters, sediments or biota. (Chapter III Section A. 2 (b)(3) of the Ocean Plan)
Line of Evidence (LOE) for Decision ID 135750, Arsenic
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245509
Pollutant:
Arsenic
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Arsenic .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135753, Cadmium
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
257903
Pollutant:
Cadmium
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Dissolved
Beneficial Use:
Marine Habitat
Number of Samples:
6
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 6 samples exceeded the water quality threshold for Cadmium.
The dissolved cadmium criterion continuous concentration (expressed as a 4-day average) to protect aquatic life in saline water is 9.3 ug/L (California Toxics Rule, 2000).
The samples were collected at 1 monitoring site: SP-RW-19 (SP-RW-19-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2017-09-05 and 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135753, Cadmium
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
258056
Pollutant:
Cadmium
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Dissolved
Beneficial Use:
Marine Habitat
Number of Samples:
6
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 6 samples exceeded the water quality threshold for Cadmium.
The dissolved cadmium criterion continuous concentration (expressed as a 4-day average) to protect aquatic life in saline water is 9.3 ug/L (California Toxics Rule, 2000).
The samples were collected at 1 monitoring site: SP-RW-20 (SP-RW-20-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2017-09-05 and 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135753, Cadmium
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
251923
Pollutant:
Cadmium
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Dissolved
Beneficial Use:
Marine Habitat
Number of Samples:
3
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed LA County MS4 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 3 samples exceeded the water quality threshold for Cadmium.
Data Reference:
DECISION ID
135752
Region 4
San Pedro Bay Near Off Shore Zones
Pollutant:
Benzo(a)anthracene
Final Listing Decision:
Do Not List on 303(d) list (TMDL required list)
Last Listing Cycle's Final Listing Decision:
New Decision
Revision Status
Revised
Impairment from Pollutant or Pollution:
Pollutant
Regional Board Conclusion:
This pollutant is being considered for placement on the CWA section 303(d) List under section 3.6 of the Listing Policy. Under section 3.6 at least two lines of evidence are necessary to assess listing status for pollutants sediment, and pollutant concentrations in sediment must be associated with sediment toxicity to justify adding that pollutant to the CWA section 303(d) List.
Based on the readily available data and information, the weight of evidence indicates that there is sufficient justification against placing this water segment-pollutant combination on the CWA section 303(d) List.
This conclusion is based on the staff findings that: 1. The data used satisfies the data quality requirements of section 6.1.4 of the Policy. 2. The data used satisfies the data quantity requirements of section 6.1.5 of the Policy. 3. 0 of 17 samples exceed the guideline and this sample size is and this does not exceed the allowable frequency listed in Table 3.1 of the Listing Policy. 4. Pursuant to section 3.11 of the Listing Policy, no additional data and information are available indicating that standards are not met.
Regional Board Decision Recommendation:
After review of the available data and information, RWQCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list because applicable water quality standards are not being exceeded.
State Board Review of Regional Board Conclusion and Recommendation:
State Board Decision Recommendation:
After review of this Regional Board decision, SWRCB staff recommend the decision be approved by the State Board.
Listing Extent:
Line of Evidence (LOE) for Decision ID 135752, Benzo(a)anthracene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245740
Pollutant:
Benzo(a)anthracene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Benz(a)anthracene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
The dissolved cadmium criterion continuous concentration (expressed as a 4-day average) to protect aquatic life in saline water is 9.3 ug/L (California Toxics Rule, 2000).
Line of Evidence (LOE) for Decision ID 135753, Cadmium
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246014
Pollutant:
Cadmium
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Cadmium .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135752, Benzo(a)anthracene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245853
Pollutant:
Benzo(a)anthracene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Benz(a)anthracene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135752, Benzo(a)anthracene
Line of Evidence (LOE) for Decision ID 135753, Cadmium
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
251945
Pollutant:
Cadmium
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Dissolved
Beneficial Use:
Marine Habitat
Number of Samples:
3
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed LA County MS4 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 3 samples exceeded the water quality threshold for Cadmium.
The dissolved cadmium criterion continuous concentration (expressed as a 4-day average) to protect aquatic life in saline water is 9.3 ug/L (California Toxics Rule, 2000).
Line of Evidence (LOE) for Decision ID 135753, Cadmium
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
88045
Pollutant:
Cadmium
LOE Subgroup:
Pollutant-Tissue
Matrix:
Tissue
Fraction:
Shellfish
Beneficial Use:
Shellfish Harvesting
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
Shellfish surveys
Data Used to Assess Water Quality:
The sample did not exceed the guideline. Data were reported on a dry weight basis and were converted to a wet weight basis by multiplying the dry-weight concentration by a factor of 1 minus the percentage of moisture content expressed as a decimal.
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Benz(a)anthracene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135752, Benzo(a)anthracene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245660
Pollutant:
Benzo(a)anthracene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Benz(a)anthracene .
Waste discharged to the ocean must be essentially free of... Substances which will accumulate to toxic levels in marine waters, sediments or biota. (Chapter III Section A. 2 (b)(3) of the Ocean Plan)
Line of Evidence (LOE) for Decision ID 135752, Benzo(a)anthracene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245725
Pollutant:
Benzo(a)anthracene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Benz(a)anthracene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Toxic pollutants shall not be present at levels that will bioaccumulate in aquatic life to levels which are harmful to aquatic life or human health. No individual pesticide or combination of pesticides shall be present in concentrations that adversely affect beneficial uses. There shall be no bioaccumulation of pesticide concentrations found in bottom sediments or aquatic life.
The modified OEHHA Fish Contaminant Goal for cadmium in shellfish tissue is 3.3 ppm. This screening level assumes an average body weight of 70 kg and a consumption rate of 21 g/day. (Brodberg, R.K., and G.A. Pollock, 1999; Klasing, S., and R. Brodberg, 2008; USEPA, 2000)
Samples are collected by hand from three sub-locations for each site. The composite sample was collected from Long Beach Breakwater, site LBBW.
Temporal Representation:
Representative samples of locally abundant species were collected during the winter on 3/4/2008
Environmental Conditions:
QAPP Information:
Samples were collected as part of the State Water Board's Mussel Watch Program which is a part of the National Oceanic Administration's (NOAAs) National Status and Trends (NS&T). Mussels are shipped to NOAAs contract labs for analysis of trace constituents and mussel condition. Analytical protocols follow those approved by NOAAs NS&T Program Additional background information can be found at:
http://ccma.nos.noaa.gov/stressors/pollution/nsandt/
QAPP Information Reference(s):
Line of Evidence (LOE) for Decision ID 135753, Cadmium
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
251856
Pollutant:
Cadmium
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Dissolved
Beneficial Use:
Marine Habitat
Number of Samples:
8
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed LA County MS4 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 8 samples exceeded the water quality threshold for Cadmium.
The dissolved cadmium criterion continuous concentration (expressed as a 4-day average) to protect aquatic life in saline water is 9.3 ug/L (California Toxics Rule, 2000).
Line of Evidence (LOE) for Decision ID 135752, Benzo(a)anthracene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245611
Pollutant:
Benzo(a)anthracene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Benz(a)anthracene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135753, Cadmium
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246216
Pollutant:
Cadmium
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Cadmium .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135753, Cadmium
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246265
Pollutant:
Cadmium
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Benz(a)anthracene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135752, Benzo(a)anthracene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245588
Pollutant:
Benzo(a)anthracene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Benz(a)anthracene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): B18-10417 (B18-10417).
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Cadmium .
Waste discharged to the ocean must be essentially free of... Substances which will accumulate to toxic levels in marine waters, sediments or biota. (Chapter III Section A. 2 (b)(3) of the Ocean Plan)
Line of Evidence (LOE) for Decision ID 135753, Cadmium
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246264
Pollutant:
Cadmium
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Cadmium .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135752, Benzo(a)anthracene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245587
Pollutant:
Benzo(a)anthracene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Benz(a)anthracene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135753, Cadmium
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246256
Pollutant:
Cadmium
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for Cadmium. Although a total of 1 samples were collected, 1 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the objective and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135753, Cadmium
Region 4
San Pedro Bay Near Off Shore r>
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Benz(a)anthracene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-18 (SP-SS-18-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135752, Benzo(a)anthracene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245808
Pollutant:
Benzo(a)anthracene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Benz(a)anthracene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Cadmium .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-20 (SP-SS-20-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135753, Cadmium
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246651
Pollutant:
Cadmium
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Cadmium .
Data were collected from 1 station(s). Station Code(s): SP-SS-20 (SP-SS-20-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135752, Benzo(a)anthracene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245764
Pollutant:
Benzo(a)anthracene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Benz(a)anthracene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135753, Cadmium
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246544
Pollutant:
Cadmium
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Cadmium .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Benz(a)anthracene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135752, Benzo(a)anthracene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245759
Pollutant:
Benzo(a)anthracene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Benz(a)anthracene .
Line of Evidence (LOE) for Decision ID 135753, Cadmium
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246626
Pollutant:
Cadmium
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Cadmium .
Waste discharged to the ocean must be essentially free of... Substances which will accumulate to toxic levels in marine waters, sediments or biota. (Chapter III Section A. 2 (b)(3) of the Ocean Plan)
Line of Evidence (LOE) for Decision ID 135753, Cadmium
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
257910
Pollutant:
Cadmium
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Dissolved
Beneficial Use:
Marine Habitat
Number of Samples:
6
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 6 samples exceeded the water quality threshold for Cadmium.
Water Quality Objective/Criterion:
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135752, Benzo(a)anthracene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245647
Pollutant:
Benzo(a)anthracene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Benz(a)anthracene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135752, Benzo(a)anthracene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245854
Pollutant:
Benzo(a)anthracene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Benz(a)anthracene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135752, Benzo(a)anthracene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245924
Pollutant:
Benzo(a)anthracene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Benz(a)anthracene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-19 (SP-SS-19-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
The dissolved cadmium criterion continuous concentration (expressed as a 4-day average) to protect aquatic life in saline water is 9.3 ug/L (California Toxics Rule, 2000).
The samples were collected at 1 monitoring site: SP-RW-18 (SP-RW-18-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2017-09-05 and 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135753, Cadmium
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246401
Pollutant:
Cadmium
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Cadmium .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-18 (SP-SS-18-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135753, Cadmium
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
258013
Pollutant:
Cadmium
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Dissolved
Beneficial Use:
Marine Habitat
Number of Samples:
8
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed City of LB Integrated Monitoring for MS4 Permit data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 8 samples exceeded the water quality threshold for Cadmium.
The dissolved cadmium criterion continuous concentration (expressed as a 4-day average) to protect aquatic life in saline water is 9.3 ug/L (California Toxics Rule, 2000).
Line of Evidence (LOE) for Decision ID 135753, Cadmium
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246339
Pollutant:
Cadmium
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for Cadmium. Although a total of 1 samples were collected, 1 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the objective and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135753, Cadmium
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246458
Pollutant:
Cadmium
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Cadmium .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): B13-8319 (B13-8319 OpenwaterStation).
DECISION ID
135751
Region 4
San Pedro Bay Near Off Shore Zones
Pollutant:
Benzo(a)pyrene
Final Listing Decision:
Do Not List on 303(d) list (TMDL required list)
Last Listing Cycle's Final Listing Decision:
New Decision
Revision Status
Revised
Impairment from Pollutant or Pollution:
Pollutant
Regional Board Conclusion:
This pollutant is being considered for placement on the CWA section 303(d) List under section 3.6 of the Listing Policy. Under section 3.6 at least two lines of evidence are necessary to assess listing status for pollutants sediment, and pollutant concentrations in sediment must be associated with sediment toxicity to justify adding that pollutant to the CWA section 303(d) List.
Based on the readily available data and information, the weight of evidence indicates that there is sufficient justification against placing this water segment-pollutant combination on the CWA section 303(d) List in the Water Quality Limited Segments category.
This conclusion is based on the staff findings that: 1. The data used satisfies the data quality requirements of section 6.1.4 of the Policy. 2. The data used satisfies the data quantity requirements of section 6.1.5 of the Policy. 3. 0 of 17 samples exceeded the guideline and this does not exceed the allowable frequency listed in Table 3.1 of the Listing Policy. 4. Pursuant to section 3.11 of the Listing Policy, no additional data and information are available indicating that standards are not met.
Regional Board Decision Recommendation:
After review of the available data and information, RWQCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list because applicable water quality standards are not being exceeded.
State Board Review of Regional Board Conclusion and Recommendation:
State Board Decision Recommendation:
After review of this Regional Board decision, SWRCB staff recommend the decision be approved by the State Board.
Listing Extent:
Line of Evidence (LOE) for Decision ID 135751, Benzo(a)pyrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
102
Pollutant:
Sediment Toxicity
LOE Subgroup:
Toxicity
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
50
Number of Exceedances:
13
Data and Information Type:
Toxicity testing of sediments
Data Used to Assess Water Quality:
Overall, thirteen of 50 samples were toxic. This total was created from several different sediment studies within San Pedro Bay. Eleven of 33 samples were toxic (BPTCP). Two of 14 samples were toxic (Bight, 1998). None of three samples were toxic (W-EMAP) (LARWQCB & CCC, 2004).
Los Angeles RWQCB Basin Plan: All waters should be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological response in, human, plant, animal, or aquatic life.
Samples were considered toxic if (1) there was a significant difference in mean organism response between the sample and the control, and (2) the mean organism response in the test, as a percent of the control, was less than the threshold based on the 90th percentile minimum significant difference value.
The Basin Plan states that, "[a]ll waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in human, plant, animal, or aquatic life."
Bay et. al. classifies sediment toxicity based on the following survival percentages: Non toxic if greater than or equal to 80% survival; moderately toxic if between 50 to 80% survival; and highly toxic if less than 50% survival.
A total of three stations were monitored in the San Pedro Bay near/off shore zones which include the following stations:
4066 (Lat: 33.74137, Long: -118.11663),
4274 (Lat: 33.7282833333, Long: -118.157083333), and
4408 (Lat: 33.75495, Long: -118.163533333).
Temporal Representation:
Composite surface sediment samples were taken on 07/21/2003 for station 4066, on 07/16/2003 and 08/07/2003 for stations 4098 and 4274.
Environmental Conditions:
QAPP Information:
Data was collected in compliance with the sampling and monitoring procedures detailed in Southern California Bight 2003 Regional Marine Monitoring Survey Quality Assurance Manual.
Line of Evidence (LOE) for Decision ID 135751, Benzo(a)pyrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
244540
Pollutant:
Toxicity
LOE Subgroup:
Toxicity
Matrix:
Sediment
Fraction:
None
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
TOXICITY TESTING
Data Used to Assess Water Quality:
0 of the 1 samples collected by Harbor Toxics TMDL Compliance Water Quality for San Pedro Bay Near/Off Shore Zones exhibited toxicity. A sample may have multiple toxicity test results, but will only be counted once. A sample is defined as being collected on the same day and the same location. The following organisms and parameters were utilized for the toxicity tests: Eohaustorius estuarius for Survival, Mytilus galloprovincialis for Normal Development.
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
The sample is toxic when the response of the organisms exposed to the sample is significantly different (worse) than the response of the organisms exposed to the laboratory control based on statistical hypothesis testing. An exceedance is counted when the significant effect code is “Significant; Less Similarity,” which means that the sample result is significantly different than the control result, and the percent effect is greater than the evaluation threshold. The default evaluation threshold is 20% unless otherwise stated.
The samples were collected at monitoring site: SP-SS-20 ( SP-SS-20-East San Pedro Bay ).
Temporal Representation:
The samples were collected between the dates of 2018-08-09 and 2018-08-09.
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135753, Cadmium
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246362
Pollutant:
Cadmium
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Cadmium .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-19 (SP-SS-19-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135753, Cadmium
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246470
Pollutant:
Cadmium
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Cadmium .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135753, Cadmium
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246475
Pollutant:
Cadmium
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Cadmium .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
The evaluation guideline for cadmium is the probable effect level (PEL) of 4.21 ug/g dry weight (Ma
0 of the 1 samples collected by Harbor Toxics TMDL Compliance Water Quality for San Pedro Bay Near/Off Shore Zones exhibited toxicity. A sample may have multiple toxicity test results, but will only be counted once. A sample is defined as being collected on the same day and the same location. The following organisms and parameters were utilized for the toxicity tests: Mytilus galloprovincialis for Normal Development, Eohaustorius estuarius for Survival.
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
The sample is toxic when the response of the organisms exposed to the sample is significantly different (worse) than the response of the organisms exposed to the laboratory control based on statistical hypothesis testing. An exceedance is counted when the significant effect code is “Significant; Less Similarity,” which means that the sample result is significantly different than the control result, and the percent effect is greater than the evaluation threshold. The default evaluation threshold is 20% unless otherwise stated.
The samples were collected at monitoring site: SP-SS-18 ( SP-SS-18-East San Pedro Bay ).
Temporal Representation:
The samples were collected between the dates of 2018-08-09 and 2018-08-09.
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135751, Benzo(a)pyrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246026
Pollutant:
Benzo(a)pyrene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Benzo(a)pyrene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135753, Cadmium
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246586
Pollutant:
Cadmium
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for Cadmium. Although a total of 1 samples were collected, 1 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the objective and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135753, Cadmium
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246391
Pollutant:
Cadmium
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Cadmium .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135751, Benzo(a)pyrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246116
Pollutant:
Benzo(a)pyrene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Benzo(a)pyrene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135751, Benzo(a)pyrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246108
Pollutant:
Benzo(a)pyrene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Benzo(a)pyrene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135751, Benzo(a)pyrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246003
Pollutant:
Benzo(a)pyrene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Benzo(a)pyrene .
Waste discharged to the ocean must be essentially free of... Substances which will accumulate to toxic levels in marine waters, sediments
DECISION ID
135755
Region 4
San Pedro Bay Near Off Shore Zones
Pollutant:
Chrysene (C1-C4)
Final Listing Decision:
Do Not List on 303(d) list (TMDL required list)
Last Listing Cycle's Final Listing Decision:
New Decision
Revision Status
Revised
Impairment from Pollutant or Pollution:
Pollutant
Regional Board Conclusion:
This pollutant is being considered for placement on the CWA section 303(d) List under section 3.1 of the Listing Policy. Under section 3.1 a single line of evidence is necessary to assess listing status.
1 lines of evidence are available in the administrative record to assess this pollutant. 0 of the 17 samples exceed the guideline.
Based on the readily available data and information, the weight of evidence indicates that there is sufficient justification against placing this water segment-pollutant combination on the CWA section 303(d) List in the Water Quality Limited Segments category.
This conclusion is based on the staff findings that: 1. The data used satisfies the data quality requirements of section 6.1.4 of the Policy. 2. The data used satisfies the data quantity requirements of section 6.1.5 of the Policy. 3. 0 of 17 samples exceeded the guideline and this does not exceed the allowable frequency listed in Table 3.1 of the Listing Policy. 4. Pursuant to section 3.11 of the Listing Policy, no additional data and information are available indicating that standards are not met.
Regional Board Decision Recommendation:
After review of the available data and information, RWQCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list because applicable water quality standards are not being exceeded.
State Board Review of Regional Board Conclusion and Recommendation:
State Board Decision Recommendation:
After review of this Regional Board decision, SWRCB staff recommend the decision be approved by the State Board.
Listing Extent:
Line of Evidence (LOE) for Decision ID 135755, Chrysene (C1-C4)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
247099
Pollutant:
Chrysene (C1-C4)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chrysene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135751, Benzo(a)pyrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245892
Pollutant:
Benzo(a)pyrene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Benzo(a)pyrene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135755, Chrysene (C1-C4)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
247139
Pollutant:
Chrysene (C1-C4)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chrysene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-20 (SP-SS-20-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135755, Chrysene (C1-C4)
Line of Evidence (LOE) for Decision ID 135751, Benzo(a)pyrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245891
Pollutant:
Benzo(a)pyrene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Benzo(a)pyrene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-20 (SP-SS-20-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135751, Benzo(a)pyrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246201
Pollutant:
Benzo(a)pyrene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Benzo(a)pyrene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135751, Benzo(a)pyrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
244538
Pollutant:
Toxicity
LOE Subgroup:
Toxicity
Matrix:
Sediment
Fraction:
None
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
TOXICITY TESTING
Data Used to Assess Water Quality:
0 of the 1 samples collected by Harbor Toxics TMDL Compliance Water Quality for San Pedro Bay Near/Off Shore Zones exhibited toxicity. A sample may have multiple toxicity test results, but will only be counted once. A sample is defined as being collected on the same day and the same location. The following organisms and parameters were utilized for the toxicity tests: Mytilus galloprovincialis for Normal Development, Eohaustorius estuarius for Survival.
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
The sample is toxic when the response of the organisms exposed to the sample is significantly different (worse) than the response of the organisms exposed to the laboratory control based on statistical hypothesis testing. An exceedance is counted when the significant effect code is “Significant; Less Similarity,” which means that the sample result is significantly different than the control result, and the percent effect is greater than the evaluation threshold. The default evaluation threshold is 20% unless otherwise stated.
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chrysene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135755, Chrysene (C1-C4)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
247329
Pollutant:
Chrysene (C1-C4)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chrysene .
The samples were collected at monitoring site: SP-SS-19 ( SP-SS-19-East San Pedro Bay ).
Temporal Representation:
The samples were collected between the dates of 2018-08-09 and 2018-08-09.
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135751, Benzo(a)pyrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246093
Pollutant:
Benzo(a)pyrene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Benzo(a)pyrene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135751, Benzo(a)pyrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246271
Pollutant:
Benzo(a)pyrene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Benzo(a)pyrene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-19 (SP-SS-19-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135751, Benzo(a)pyrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246063
Pollutant:
Benzo(a)pyrene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Benzo(a)pyrene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Objective/Criterion Reference:
SWAMP Data:
Non-SWAMP
Water Quality Objective/Criterion:
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135755, Chrysene (C1-C4)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
247238
Pollutant:
Chrysene (C1-C4)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chrysene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135751, Benzo(a)pyrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245844
Pollutant:
Benzo(a)pyrene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Benzo(a)pyrene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135751, Benzo(a)pyrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246154
Pollutant:
Benzo(a)pyrene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Benzo(a)pyrene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135751, Benzo(a)pyrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246044
Pollutant:
Benzo(a)pyrene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Benzo(a)pyrene .
Line of Evidence (LOE) for Decision ID 135755, Chrysene (C1-C4)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
247255
Pollutant:
Chrysene (C1-C4)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chrysene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-19 (SP-SS-19-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135755, Chrysene (C1-C4)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
247256
Pollutant:
Chrysene (C1-C4)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
SWAMP Data:
Non-SWAMP
Water Quality Objective/Criterion:
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135751, Benzo(a)pyrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246042
Pollutant:
Benzo(a)pyrene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Benzo(a)pyrene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135751, Benzo(a)pyrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245797
Pollutant:
Benzo(a)pyrene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Benzo(a)pyrene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-18 (SP-SS-18-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135751, Benzo(a)pyrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245917
Pollutant:
Benzo(a)pyrene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
ign="top" width="33%">Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chrysene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135755, Chrysene (C1-C4)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
247257
Pollutant:
Chrysene (C1-C4)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chrysene .
Waste discharged to the ocean must be essentially free of... Substances which will accumulate to toxic levels in marine waters, sediments or biota. (Chapter III Section A. 2 (b)(3) of the Ocean Plan)
Data were collected from 1 station(s). Station Code(s): B13-9239 (B13-9239 OpenwaterStation).
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Benzo(a)pyrene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135751, Benzo(a)pyrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246199
Pollutant:
Benzo(a)pyrene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Benzo(a)pyrene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135755, Chrysene (C1-C4)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
247042
Pollutant:
Chrysene (C1-C4)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chrysene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135755, Chrysene (C1-C4)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
247053
Pollutant:
Chrysene (C1-C4)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
DECISION ID
135753
Region 4
San Pedro Bay Near Off Shore Zones
Pollutant:
Cadmium
Final Listing Decision:
Do Not List on 303(d) list (TMDL required list)
Last Listing Cycle's Final Listing Decision:
Do Not List on 303(d) list (TMDL required list)(2018)
Revision Status
Revised
Impairment from Pollutant or Pollution:
Pollutant
Regional Board Conclusion:
This pollutant is being considered for placement on the CWA section 303(d) List under sections 3.1, 3.5 and 3.6 of the Listing Policy. Under sections 3.1 and 3.5 a single line of evidence is necessary to assess listing status. Under section 3.6 at least two lines of evidence are necessary to assess listing status for pollutants sediment, and pollutant concentrations in sediment must be associated with sediment toxicity to justify adding that pollutant to the CWA section 303(d) List.
1 line of evidence is available in the administrative record to assess this pollutant. 0 of 40 samples exceeded the criteria for cadmium in water. 0 of 1 sample exceeded the guideline for cadmium in shellfish tissue. 0 of 15 sample exceeded the guideline for cadmium in sediment.
Based on the readily available data and information, the weight of evidence indicates that there is insufficient justification for placing this water segment-pollutant combination on the CWA section 303(d) List. This conclusion is based on the staff findings that: 1. The data used satisfies the data quality requirements of section 6.1.4 of the Policy. 2. The data used satisfies the data quantity requirements of section 6.1.5 of the Policy. 3. 0 of 40 samples exceeded the criteria and this does not exceed the allowable frequency listed in Table 3.1 of the Listing Policy. 0 of 1 and 0 of 15 samples exceeded the guidelines and this sample size is insufficient to determine, with the power and confidence of the Listing Policy, the applicable beneficial use support rating. A minimum of 16 samples is needed to determine if a beneficial use is fully supported using table 3.1. 4. Pursuant to SECTION 3.11 of the Listing Policy, no additional data and information are available indicating that standards are not met.
Regional Board Decision Recommendation:
After review of the available data and information, RWQCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list because applicable water quality standards are not being exceeded.
State Board Review of Regional Board Conclusion and Recommendation:
State Board Decision Recommendation:
After review of this Regional Board decision, SWRCB staff recommend the decision be approved by the State Board.
Listing Extent:
Line of Evidence (LOE) for Decision ID 135753, Cadmium
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246623
Pollutant:
Cadmium
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Cadmium .
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chrysene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135755, Chrysene (C1-C4)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
247398
Pollutant:
Chrysene (C1-C4)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chrysene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135755, Chrysene (C1-C4)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
247068
Pollutant:
Chrysene (C1-C4)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chrysene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135755, Chrysene (C1-C4)
Region 4
San Pedro Bay Near Off Shore Zones
SWAMP Data:
Non-SWAMP
Water Quality Objective/Criterion:
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135753, Cadmium
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
257903
Pollutant:
Cadmium
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Dissolved
Beneficial Use:
Marine Habitat
Number of Samples:
6
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 6 samples exceeded the water quality threshold for Cadmium.
The dissolved cadmium criterion continuous concentration (expressed as a 4-day average) to protect aquatic life in saline water is 9.3 ug/L (California Toxics Rule, 2000).
The samples were collected at 1 monitoring site: SP-RW-19 (SP-RW-19-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2017-09-05 and 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chrysene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-18 (SP-SS-18-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135755, Chrysene (C1-C4)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
247073
Pollutant:
Chrysene (C1-C4)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chrysene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135755, Chrysene (C1-C4)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
247094
Pollutant:
Chrysene (C1-C4)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chrysene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135755, Chrysene (C1-C4)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
247111
Pollutant:
Chrysene (C1-C4)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chrysene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135755, Chrysene (C1-C4)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
247113
Pollutant:
Chrysene (C1-C4)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chrysene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135753, Cadmium
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
258056
Pollutant:
Cadmium
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Dissolved
Beneficial Use:
Marine Habitat
Number of Samples:
6
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 6 samples exceeded the water quality threshold for Cadmium.
The dissolved cadmium criterion continuous concentration (expressed as a 4-day average) to protect aquatic life in saline water is 9.3 ug/L (California Toxics Rule, 2000).
The samples were collected at 1 monitoring site: SP-RW-20 (SP-RW-20-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2017-09-05 and 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135753, Cadmium
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
251923
Pollutant:
Cadmium
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Dissolved
Beneficial Use:
Marine Habitat
Number of Samples:
3
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed LA County MS4 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 3 samples exceeded the water quality threshold for Cadmium.
Data Reference:
DECISION ID
149845
Region 4
San Pedro Bay Near Off Shore Zones
Pollutant:
DDD (Dichlorodiphenyldichloroethane)
Final Listing Decision:
Do Not List on 303(d) list (TMDL required list)
Last Listing Cycle's Final Listing Decision:
New Decision
Revision Status
Revised
Impairment from Pollutant or Pollution:
Pollutant
Regional Board Conclusion:
Insufficient information is available to determine beneficial use support for this waterbody-pollutant combination with the statistical power and confidence required by the Listing Policy. Beneficial use support will be reassessed in a future cycle, if more data are available
Regional Board Decision Recommendation:
After review of the available data and information, RWQCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list. The readily available data and information is insufficient to determine, with the power and confidence of the Listing Policy, the applicable beneficial use support rating.
State Board Review of Regional Board Conclusion and Recommendation:
State Board Decision Recommendation:
After review of the available data and information, SWRCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list because it cannot be determined if applicable water quality standards are not being exceeded.
Listing Extent:
Line of Evidence (LOE) for Decision ID 149845, DDD (Dichlorodiphenyldichloroethane)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
259538
Pollutant:
DDD (Dichlorodiphenyldichloroethane)
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for DDD(p,p'). Although a total of 5 samples were collected, 5 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
The samples were collected at 1 monitoring site: SP-RW-20 (SP-RW-20-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-01-10 to 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 149845, DDD (Dichlorodiphenyldichloroethane)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
259722
Pollutant:
DDD (Dichlorodiphenyldichloroethane)
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed City of LB Integrated Monitoring for MS4 Permit data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for DDD(p,p'). Although a total of 7 samples were collected, 7 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
Line of Evidence (LOE) for Decision ID 149845, DDD (Dichlorodiphenyldichloroethane)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
252077
Pollutant:
DDD (Dichlorodiphenyldichloroethane)
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed LA County MS4 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for DDD(p,p'). Although a total of 3 samples were collected, 3 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
Line of Evidence (LOE) for Decision ID 149845, DDD (Dichlorodiphenyldichloroethane)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
259502
Pollutant:
DDD (Dichlorodiphenyldichloroethane)
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for DDD(p,p'). Although a total of 5 samples were collected, 5 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
The dissolved cadmium criterion continuous concentration (expressed as a 4-day average) to protect aquatic life in saline water is 9.3 ug/L (California Toxics Rule, 2000).
Line of Evidence (LOE) for Decision ID 135753, Cadmium
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246014
Pollutant:
Cadmium
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Cadmium .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
The samples were collected at 1 monitoring site: SP-RW-19 (SP-RW-19-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-01-10 to 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 149845, DDD (Dichlorodiphenyldichloroethane)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
259519
Pollutant:
DDD (Dichlorodiphenyldichloroethane)
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for DDD(p,p'). Although a total of 5 samples were collected, 5 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
The samples were collected at 1 monitoring site: SP-RW-18 (SP-RW-18-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-01-10 to 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135753, Cadmium
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
251945
Pollutant:
Cadmium
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Dissolved
Beneficial Use:
Marine Habitat
Number of Samples:
3
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed LA County MS4 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 3 samples exceeded the water quality threshold for Cadmium.
The dissolved cadmium criterion continuous concentration (expressed as a 4-day average) to protect aquatic life in saline water is 9.3 ug/L (California Toxics Rule, 2000).
Line of Evidence (LOE) for Decision ID 135753, Cadmium
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
88045
Pollutant:
Cadmium
LOE Subgroup:
Pollutant-Tissue
Matrix:
Tissue
Fraction:
Shellfish
Beneficial Use:
Shellfish Harvesting
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
Shellfish surveys
Data Used to Assess Water Quality:
The sample did not exceed the guideline. Data were reported on a dry weight basis and were converted to a wet weight basis by multiplying the dry-weight concentration by a factor of 1 minus the percentage of moisture content expressed as a decimal.
Toxic pollutants shall not be present at levels that will bioaccumulate in aquatic life to levels which are harmful to aquatic life or human health. No individual pesticide or combination of pesticides shall be present in concentrations that adversely affect beneficial uses. There shall be no bioaccumulation of pesticide concentrations found in bottom sediments or aquatic life.
The modified OEHHA Fish Contaminant Goal for cadmium in shellfish tissue is 3.3 ppm. This screening level assumes an average body weight of 70 kg and a consumption rate of 21 g/day. (Brodberg, R.K., and G.A. Pollock, 1999; Klasing, S., and R. Brodberg, 2008; USEPA, 2000)
Samples are collected by hand from three sub-locations for each site. The composite sample was collected from Long Beach Breakwater, site LBBW.
Temporal Representation:
Representative samples of locally abundant species were collected during the winter on 3/4/2008
Environmental Conditions:
QAPP Information:
Samples were collected as part of the State Water Board's Mussel Watch Program which is a part of the National Oceanic Administration's (NOAAs) National Status and Trends (NS&T). Mussels are shipped to NOAAs contract labs for analysis of trace constituents and mussel condition. Analytical protocols follow those approved by NOAAs NS&T Program Additional background information can be found at:
http://ccma.nos.noaa.gov/stressors/pollution/nsandt/
QAPP Information Reference(s):
Line of Evidence (LOE) for Decision ID 135753, Cadmium
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
251856
Pollutant:
Cadmium
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Dissolved
Beneficial Use:
Marine Habitat
Number of Samples:
8
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed LA County MS4 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 8 samples exceeded the water quality threshold for Cadmium.
The dissolved cadmium criterion continuous concentration (expressed as a 4-day average) to protect aquatic life in saline water is 9.3 ug/L (California Toxics Rule, 2000).
The samples were collected at 1 monitoring site: SP-RW-18 (SP-RW-18-East San Pedro Bay).
Temporal Representation:
DECISION ID
135757
Region 4
San Pedro Bay Near Off Shore Zones
Pollutant:
Dibenz[a,h]anthracene
Final Listing Decision:
Do Not List on 303(d) list (TMDL required list)
Last Listing Cycle's Final Listing Decision:
New Decision
Revision Status
Revised
Impairment from Pollutant or Pollution:
Pollutant
Regional Board Conclusion:
This pollutant is being considered for placement on the CWA section 303(d) List under section 3.6 of the Listing Policy. Under section 3.6 at least two lines of evidence are necessary to assess listing status for pollutants sediment, and pollutant concentrations in sediment must be associated with sediment toxicity to justify adding that pollutant to the CWA section 303(d) List.
1 lines of evidence are available in the administrative record to assess this pollutant. 0 of the 17 samples exceed the guideline.
Based on the readily available data and information, the weight of evidence indicates that there is sufficient justification against placing this water segment-pollutant combination on the CWA section 303(d) List.
This conclusion is based on the staff findings that: 1. The data used satisfies the data quality requirements of section 6.1.4 of the Policy. 2. The data used satisfies the data quantity requirements of section 6.1.5 of the Policy. 3. 0 of the 17 samples exceed the guideline and this and this does not exceed the allowable frequency listed in Table 3.1 of the Listing Policy. 4. Pursuant to section 3.11 of the Listing Policy, no additional data and information are available indicating that standards are not met.
Regional Board Decision Recommendation:
After review of the available data and information, RWQCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list because applicable water quality standards are not being exceeded.
State Board Review of Regional Board Conclusion and Recommendation:
State Board Decision Recommendation:
After review of this Regional Board decision, SWRCB staff recommend the decision be approved by the State Board.
Listing Extent:
Line of Evidence (LOE) for Decision ID 135757, Dibenz[a,h]anthracene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
248403
Pollutant:
Dibenz[a,h]anthracene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Dibenz(a,h)anthracene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
align="left" valign="top" width="67%">The samples were collected between the dates of 2017-09-05 and 2019-11-27
Line of Evidence (LOE) for Decision ID 135753, Cadmium
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246216
Pollutant:
Cadmium
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Cadmium .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135757, Dibenz[a,h]anthracene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
248205
Pollutant:
Dibenz[a,h]anthracene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Dibenz(a,h)anthracene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135757, Dibenz[a,h]anthracene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
248018
Pollutant:
Dibenz[a,h]anthracene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Dibenz(a,h)anthracene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135757, Dibenz[a,h]anthracene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
247782
Pollutant:
Dibenz[a,h]anthracene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Dibenz(a,h)anthrah="33%">Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Cadmium .
Waste discharged to the ocean must be essentially free of... Substances which will accumulate to toxic levels in marine waters, sediments or biota. (Chapter III Section A. 2 (b)(3) of the Ocean Plan)
Line of Evidence (LOE) for Decision ID 135753, Cadmium
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246264
Pollutant:
Cadmium
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Cadmium .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135753, Cadmium
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246256
Pollutant:
Cadmium
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for Cadmium. Although a total of 1 samples were collected, 1 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the objective and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135757, Dibenz[a,h]anthracene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
248230
Pollutant:
Dibenz[a,h]anthracene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Dibenz(a,h)anthracene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-20 (SP-SS-20-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135757, Dibenz[a,h]anthracene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
248082
Pollutant:
Dibenz[a,h]anthracene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Dibenz(a,h)anthracene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135757, Dibenz[a,h]anthracene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
248083
Pollutant:
Dibenz[a,h]anthracene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
LOE ID:
246128
Pollutant:
Cadmium
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Cadmium .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-20 (SP-SS-20-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135753, Cadmium
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246651
Pollutant:
Cadmium
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Cadmium .
All waters shall be maintained free of toxic substances left" valign="top" width="33%">Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Dibenz(a,h)anthracene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135757, Dibenz[a,h]anthracene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
248085
Pollutant:
Dibenz[a,h]anthracene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Dibenz(a,h)anthracene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135753, Cadmium
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246544
Pollutant:
Cadmium
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Cadmium .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135757, Dibenz[a,h]anthracene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
248395
Pollutant:
Dibenz[a,h]anthracene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Dibenz(a,h)anthracene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135757, Dibenz[a,h]anthracene
Region 4
Line of Evidence (LOE) for Decision ID 135753, Cadmium
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246626
Pollutant:
Cadmium
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Cadmium .
Waste discharged to the ocean must be essentially free of... Substances which will accumulate to toxic levels in marine waters, sediments or biota. (Chapter III Section A. 2 (b)(3) of the Ocean Plan)
Line of Evidence (LOE) for Decision ID 135753, Cadmium
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
257910
Pollutant:
Cadmium
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Dissolved
Beneficial Use:
Marine Habitat
Number of Samples:
6
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 6 samples exceeded the water quality threshold for Cadmium.
San Pedro Bay Near Off Shore Zones
LOE ID:
248141
Pollutant:
Dibenz[a,h]anthracene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Dibenz(a,h)anthracene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-19 (SP-SS-19-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135757, Dibenz[a,h]anthracene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
248042
Pollutant:
Dibenz[a,h]anthracene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Dibenz(a,h)anthracene .
The dissolved cadmium criterion continuous concentration (expressed as a 4-day average) to protect aquatic life in saline water is 9.3 ug/L (California Toxics Rule, 2000).
The samples were collected at 1 monitoring site: SP-RW-18 (SP-RW-18-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2017-09-05 and 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135753, Cadmium
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246401
Pollutant:
Cadmium
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Cadmium .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-18 (SP-SS-18-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135753, Cadmium
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
258013
Pollutant:
Cadmium
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Dissolved
Beneficial Use:
Marine Habitat
Number of Samples:
8
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed City of LB Integrated Monitoring for MS4 Permit data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 8 samples exceeded the water quality threshold for Cadmium.
The dissolved cadmium criterion continuous concentration (expressed as a 4-day average) to protect aquatic life in saline water is 9.3 ug/L (California Toxics Rule, 2000).
Line of Evidence (LOE) for Decision ID 135753, Cadmium
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246339
Pollutant:
Cadmium
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southt" valign="top" width="67%">Non-SWAMP
Water Quality Objective/Criterion:
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-18 (SP-SS-18-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135757, Dibenz[a,h]anthracene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
248107
Pollutant:
Dibenz[a,h]anthracene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Dibenz(a,h)anthracene .
Waste discharged to the ocean must be essentially free of... Substances which will accumulate to toxic levels in marine waters, sediments or biota. (Chapter III Section A. 2 (b)(3) of the Ocean Plan)
Data were collected from 1 station(s). Station Code(s): B13-9239 (B13-9239 OpenwaterStation).
Temporal Representation:
Data for this waterbody were collected over the date range 2013-07-09 to 2013-07-09
Environmental Conditions:
QAPP Information:
SWRCB. 2018. This is a placeholder reference for data that was collected after QAPP requirements were developed, but exempt from the requireern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for Cadmium. Although a total of 1 samples were collected, 1 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the objective and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135753, Cadmium
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246458
Pollutant:
Cadmium
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Cadmium .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135757, Dibenz[a,h]anthracene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
248081
Pollutant:
Dibenz[a,h]anthracene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Dibenz(a,h)anthracene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135757, Dibenz[a,h]anthracene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
248058
Pollutant:
Dibenz[a,h]anthracene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Dibenz(a,h)anthracene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135757, Dibenz[a,h]anthracene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
248394
Pollutant:
Dibenz[a,h]anthracene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Dibenz(a,h)anthracene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135757, Dibenz[a,h]anthracene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
248245
Pollutant:
Dibenz[a,h]anthracene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Dibenz(a,h)anthracene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135757, Dibenz[a,h]anthracene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
248246
Pollutant:
Dibenz[a,h]anthracene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Dibenz(a,h)anthracene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Do Not List on 303(d) list (TMDL required list)(2018)
Revision Status
Revised
Impairment from Pollutant or Pollution:
Pollutant
Regional Board Conclusion:
This pollutant is being considered for placement on the CWA section 303(d) List under sections 3.1, 3.5 and 3.6 of the Listing Policy. Under sections 3.1 and 3.5 a single line of evidence are necessary to assess listing status. Under section 3.6 at least two lines of evidence are necessary to assess listing status for pollutants sediment, and pollutant concentrations in sediment must be associated with sediment toxicity to justify adding that pollutant to the CWA section 303(d) List.
6 lines of evidence are available in the administrative record to assess this pollutant. 0 of 0 sample exceeded the guideline for dieldrin in fish tissue. 0 of 3 samples exceeded the guideline for dieldrin in fish tissue. 1 of 1 samples exceeded the guideline for dieldrin in shellfish tissue. 0 of 3 samples exceeded the guideline for dieldrin in sediment. 0 of 0 sample exceeded the criteria for dieldrin in water. 0 of 16 samples exceeded the criteria for dieldrin in water.
Based on the readily available data and information, the weight of evidence indicates that there is sufficient justification against placing this water segment-pollutant combination on the CWA section 303(d) List. This conclusion is based on the staff findings that: 1. The data used satisfies the data quality requirements of section 6.1.4 of the Policy. 2. The data used satisfies the data quantity requirements of section 6.1.5 of the Policy. 3. 0 of 0, 0 of 3, 1 of 1and 0 of 3 exceeded the guidelines and 0 of 0 and 0 of 16 samples exceeded the criteria and this does not exceed the allowable frequency listed in Table 3.1 of the Listing Policy. 4. Pursuant to SECTION 3.11 of the Listing Policy, no additional data and information are available indicating that standards are not met.
Regional Board Decision Recommendation:
After review of the available data and information, RWQCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list because applicable water quality standards are not being exceeded.
State Board Review of Regional Board Conclusion and Recommendation:
State Board Decision Recommendation:
After review of this Regional Board decision, SWRCB staff recommend the decision be approved by the State Board.
Listing Extent:
Line of Evidence (LOE) for Decision ID 135758, Dieldrin
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
248169
Pollutant:
Dieldrin
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Dieldrin .
Line of Evidence (LOE) for Decision ID 135753, Cadmium
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246362
Pollutant:
Cadmium
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Cadmium .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-19 (SP-SS-19-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135753, Cadmium
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246470
Pollutant:
Cadmium
LOE Subgroup:
Pollutant-Sediment
Matrix:
SWAMP Data:
Non-SWAMP
Water Quality Objective/Criterion:
No individual pesticide or combination of pesticides shall be present in concentrations that adversely affect beneficial uses. There shall be no increase in pesticide concentrations found in bottom sediments or aquatic life.
In marine and estuarine sediments the effects range median (predictive of sediment toxicity for sediment-dwelling organisms) for Dieldrin is 8 ng/g dry weight (Long et al., 1995).
Data were collected from 1 station(s). Station Code(s): SP-SS-20 (SP-SS-20-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135758, Dieldrin
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
252179
Pollutant:
Dieldrin
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed LA County MS4 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for Dieldrin. Although a total of 3 samples were collected, 3 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
Line of Evidence (LOE) for Decision ID 135758, Dieldrin
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
260567
Pollutant:
Dieldrin
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed City of LB Integrated Monitoring for MS4 Permit data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for Dieldrin. Although a total of 7 samples were collected, 7 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
Line of Evidence (LOE) for Decision ID 135758, Dieldrin
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
88049
Pollutant:
Dieldrin
LOE Subgroup:
Pollutant-Tissue
Matrix:
Tissue
Fraction:
Shellfish
Beneficial Use:
Shellfish Harvesting
Number of Samples:
1
Number of Exceedances:
1
Data and Information Type:
Shellfish surveys
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Cadmium .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135753, Cadmium
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246475
Pollutant:
Cadmium
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Cadmium .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
The evaluation guideline for cadmium is the probable effect level (PEL) of 4.21 ug/g dry weight (Man="top" width="33%">Data Used to Assess Water Quality:
The sample did exceed the guideline. Data were reported on a dry weight basis and were converted to a wet weight basis by multiplying the dry-weight concentration by a factor of 1 minus the percentage of moisture content expressed as a decimal.
Toxic pollutants shall not be present at levels that will bioaccumulate in aquatic life to levels which are harmful to aquatic life or human health. No individual pesticide or combination of pesticides shall be present in concentrations that adversely affect beneficial uses. There shall be no bioaccumulation of pesticide concentrations found in bottom sediments or aquatic life.
The modified OEHHA Fish Contaminant Goal for dieldrin in shellfish tissue is 0.49 ppb. This screening level assumes an average body weight of 70 kg and a consumption rate of 21 g/day for a 30 year exposure over a 70-year lifetime. This constituent is a carcinogen therefore the risk level is set to one in a million. (Brodberg, R.K., and G.A. Pollock, 1999; Klasing, S., and R. Brodberg, 2008)
Samples are collected by hand from three sub-locations for each site. The composite sample was collected from Long Beach Breakwater, site LBBW.
Temporal Representation:
Representative samples of locally abundant species were collected during the winter on 3/4/2008
Environmental Conditions:
QAPP Information:
Samples were collected as part of the State Water Board's Mussel Watch Program which is a part of the National Oceanic Administration's (NOAAs) National Status and Trends (NS&T). Mussels are shipped to NOAAs contract labs for analysis of trace constituents and mussel condition. Analytical protocols follow those approved by NOAAs NS&T Program Additional background information can be found at:
http://ccma.nos.noaa.gov/stressors/pollution/nsandt/
QAPP Information Reference(s):
Line of Evidence (LOE) for Decision ID 135758, Dieldrin
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
260443
Pollutant:
Dieldrin
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
7
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed City of LB Integrated Monitoring for MS4 Permit data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 7 samples exceeded the water quality threshold for Dieldrin.
The dieldrin criterion continuous concentration (expressed as a 4-day average) to protect aquatic life in saline water is 0.0019 ug/L (California Toxics Rule, 2000).
Line of Evidence (LOE) for Decision ID 135758, Dieldrin
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
260482
Pollutant:
Dieldrin
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for Dieldrin. Although a total of 5 samples were collected, 5 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
The samples were collected at 1 monitoring site: SP-RW-20 (SP-RW-20-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-01-10 to 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135753, Cadmium
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246586
Pollutant:
Cadmium
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for Cadmium. Although a total of 1 samples were collected, 1 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the objective and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135753, Cadmium
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
246391
Pollutant:
Cadmium
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Cadmium .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
; PADDING-LEFT: 0%; FONT-WEIGHT: bold; PADDING-BOTTOM: 3px; WIDTH: 100%; text-align: left; PADDING-TOP: 3px; font-smooth: always">San Pedro Bay Near Off Shore Zones
LOE ID:
260410
Pollutant:
Dieldrin
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for Dieldrin. Although a total of 5 samples were collected, 5 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
The samples were collected at 1 monitoring site: SP-RW-19 (SP-RW-19-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-01-10 to 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135758, Dieldrin
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
244627
Pollutant:
Dieldrin
LOE Subgroup:
Pollutant-Tissue
Matrix:
Tissue
Fraction:
Fish fillet
Beneficial Use:
Marine Habitat
Number of Samples:
3
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows 0 of the 3 samples exceeded the water quality threshold for Dieldrin. Data were collected for 7 fish species (3 composite(s) of Northern Anchovy each composed of NA fish per composite, 1 composite(s) of White Croaker each composed of 4 fish per composite, 1 composite(s) of White Croaker each composed of 5 fish per composite, 1 composite(s) of White Croaker each composed of 6 fish per composite, 1 composite(s) of California Halibut each composed of 10 fish per composite, 1 composite(s) of California Halibut each composed of 1 fish per composite, 1 composite(s) of California Halibut each composed of 6 fish per composite).
The Water Quality Control Plan for the Los Angeles Region (page 3-29) states that: Toxic pollutants shall not be present at levels that will bioaccumulate in aquatic life to levels which are harmful to aquatic life or human health.
National Academy of Science guidelines (NAS 1972) establish a maximum Dieldrin concentration of 100 ug/Kg (wet weight) in tissue samples for protection of aquatic life from bioaccumulation of toxic substances.
Data were collected from 1 station(s). Station Code(s): SP_2018_Fish (SP_2018_Fish-East San Pedro Bay).
Temporal Representation:
Data for this line of evidence were collected between 2018-10-02 and 2018-10-02. When composited fish were collected over multiple days, the first day of fish collection was used as the sample date in the LOE, both for LOE writing, and for averaging period purposes.
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135758, Dieldrin
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
252155
Pollutant:
Dieldrin
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
3
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed LA County MS4 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 3 samples exceeded the water quality threshold for Dieldrin.
The dieldrin criterion continuous concentration (expressed as a 4-day average) to protect aquatic life in saline water is 0.0019 ug/L (California Toxics Rule, 2000).
The samples were collected at 1 monitoring site: SP-RW-18 (SP-RW-18-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2018-08-21 and 2018-11-30
Environmental Conditions:
DECISION ID
135755
Region 4
San Pedro Bay Near Off Shore Zones
Pollutant:
Chrysene (C1-C4)
Final Listing Decision:
Do Not List on 303(d) list (TMDL required list)
Last Listing Cycle's Final Listing Decision:
New Decision
Revision Status
Revised
Impairment from Pollutant or Pollution:
Pollutant
Regional Board Conclusion:
This pollutant is being considered for placement on the CWA section 303(d) List under section 3.1 of the Listing Policy. Under section 3.1 a single line of evidence is necessary to assess listing status.
1 lines of evidence are available in the administrative record to assess this pollutant. 0 of the 17 samples exceed the guideline.
Based on the readily available data and information, the weight of evidence indicates that there is sufficient justification against placing this water segment-pollutant combination on the CWA section 303(d) List in the Water Quality Limited Segments category.
This conclusion is based on the staff findings that: 1. The data used satisfies the data quality requirements of section 6.1.4 of the Policy. 2. The data used satisfies the data quantity requirements of section 6.1.5 of the Policy. 3. 0 of 17 samples exceeded the guideline and this does not exceed the allowable frequency listed in Table 3.1 of the Listing Policy. 4. Pursuant to section 3.11 of the Listing Policy, no additional data and information are available indicating that standards are not met.
Regional Board Decision Recommendation:
After review of the available data and information, RWQCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list because applicable water quality standards are not being exceeded.
State Board Review of Regional Board Conclusion and Recommendation:
State Board Decision Recommendation:
After review of this Regional Board decision, SWRCB staff recommend the decision be approved by the State Board.
Listing Extent:
Line of Evidence (LOE) for Decision ID 135755, Chrysene (C1-C4)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
247099
Pollutant:
Chrysene (C1-C4)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chrysene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135758, Dieldrin
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
260592
Pollutant:
Dieldrin
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
3
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 3 samples exceeded the water quality threshold for Dieldrin. Although a total of 5 samples were collected, 2 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
The dieldrin criterion continuous concentration (expressed as a 4-day average) to protect aquatic life in saline water is 0.0019 ug/L (California Toxics Rule, 2000).
The samples were collected at 1 monitoring site (SP-RW-20).
Temporal Representation:
Data for this waterbody was collected over the date range 2018-01-10 to 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135755, Chrysene (C1-C4)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
247139
Pollutant:
Chrysene (C1-C4)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chrysene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-20 (SP-SS-20-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135755, Chrysene (C1-C4)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
247348
Pollutant:
Chrysene (C1-C4)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chrysene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135755, Chrysene (C1-C4)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
247329
Pollutant:
Chrysene (C1-C4)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chrysene .
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 3 samples exceeded the water quality threshold for Dieldrin. Although a total of 5 samples were collected, 2 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
The dieldrin criterion continuous concentration (expressed as a 4-day average) to protect aquatic life in saline water is 0.0019 ug/L (California Toxics Rule, 2000).
The samples were collected at 1 monitoring site (SP-RW-19).
Temporal Representation:
Data for this waterbody was collected over the date range 2018-01-10 to 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135758, Dieldrin
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
248148
Pollutant:
Dieldrin
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Dieldrin .
No individual pesticide or combination of pesticides shall be present in concentrations that adversely affect beneficial uses. There shall be no increase in pesticide concentrations found in bottom sediments or aquatic life.
In marine and estuarine sediments the effects range median (predictive of sediment toxicity for sediment-dwelling organisms) for Dieldrin is 8 ng/g dry weight (Long et al., 1995).
Data were collected from 1 station(s). Station Code(s): SP-SS-19 (SP-SS-19-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135758, Dieldrin
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
244695
Pollutant:
Dieldrin
LOE Subgroup:
Pollutant-Tissue
Matrix:
Tissue
Fraction:
Fish fillet
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Waterboard staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: Zero of Zero samples exceeded the water quality threshold for Dieldrin. Although data was collected for 7 fish species (3 composite(s) of Northern Anchovy each composed of NA fish per composite, 1 composite(s) of White Croaker each composed of 6 fish per composite, 1 composite(s) of White Croaker each composed of 5 fish per composite, 1 composite(s) of White Croaker each composed of 4 fish per composite, 1 composite(s) of California Halibut each composed of 6 fish per composite, 1 composite(s) of California Halibut each composed of 1 fish per composite, 1 composite(s) of California Halibut each composed of 10 fish per composite), all 9 sample(s) had to be thrown out due to quantitation issues.
The Water Quality Control Plan for the Los Angeles Region (page 3-29) states that: Toxic pollutants shall not be present at levels that will bioaccumulate in aquatic life to levels which are harmful to aquatic life or human health.
The modified OEHHA Fish Contaminant Goal for dieldrin in fish tissue is 0.32 ppb. This screening level assumes an average body weight of 70 kg and a consumption rate of 32 g/day for a 30 year exposure over a 70-year lifetime. This constituent is a carcinogen therefore the risk level is set to one in a million. A cooking reduction factor of 1 is applied for skin-off fillets. (Klasing, S., and R. Brodberg, 2008)
Data were collected from 1 station(s). Station Code(s): SP_2018_Fish (SP_2018_Fish-East San Pedro Bay).
Temporal Representation:
Data for this line of evidence were collected between 2018-10-02 and 2018-10-02. When composited fish were collected over multiple days, the first day of fish collection was used as the sample date in the LOE, both for LOE writing, and for averaging period purposes.
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
SWAMP Data:
Non-SWAMP
Water Quality Objective/Criterion:
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135755, Chrysene (C1-C4)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
247238
Pollutant:
Chrysene (C1-C4)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chrysene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135755, Chrysene (C1-C4)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
247255
Pollutant:
Chrysene (C1-C4)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chrysene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-19 (SP-SS-19-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135758, Dieldrin
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
248236
Pollutant:
Dieldrin
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Dieldrin .
No individual pesticide or combination of pesticides shall be present in concentrations that adversely affect beneficial uses. There shall be no increase in pesticide concentrations found in bottom sediments or aquatic life.
In marine and estuarine sediments the effects range median (predictive of sediment toxicity for sediment-dwelling organisms) for Dieldrin is 8 ng/g dry weight (Long et al., 1995).
Data were collected from 1 station(s). Station Code(s): SP-SS-18 (SP-SS-18-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135758, Dieldrin
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
260525
Pollutant:
Dieldrin
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for Dieldrin. Although a total of 5 samples were collected, 5 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
The samples were collected at 1 monitoring site: SP-RW-18 (SP-RW-18-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-01-10 to 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
ign="top" width="33%">Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chrysene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135755, Chrysene (C1-C4)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
247257
Pollutant:
Chrysene (C1-C4)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chrysene .
Waste discharged to the ocean must be essentially free of... Substances which will accumulate to toxic levels in marine waters, sediments or biota. (Chapter III Section A. 2 (b)(3) of the Ocean Plan)
Line of Evidence (LOE) for Decision ID 135755, Chrysene (C1-C4)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
247042
Pollutant:
Chrysene (C1-C4)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chrysene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135755, Chrysene (C1-C4)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
247053
Pollutant:
Chrysene (C1-C4)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
DECISION ID
150328
Region 4
San Pedro Bay Near Off Shore Zones
Pollutant:
Indicator Bacteria
Final Listing Decision:
Do Not List on 303(d) list (TMDL required list)
Last Listing Cycle's Final Listing Decision:
New Decision
Revision Status
Revised
Impairment from Pollutant or Pollution:
Pollutant
Regional Board Conclusion:
Insufficient information is available to determine beneficial use support for this waterbody-pollutant combination with the statistical power and confidence required by the Listing Policy. Beneficial use support will be reassessed in a future cycle, if more data are available
Regional Board Decision Recommendation:
After review of the available data and information, RWQCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list. The readily available data and information is insufficient to determine, with the power and confidence of the Listing Policy, the applicable beneficial use support rating.
State Board Review of Regional Board Conclusion and Recommendation:
State Board Decision Recommendation:
After review of the available data and information, SWRCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list because it cannot be determined if applicable water quality standards are not being exceeded.
Listing Extent:
Line of Evidence (LOE) for Decision ID 150328, Indicator Bacteria
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
303201
Pollutant:
Enterococcus
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
STV
Beneficial Use:
Water Contact Recreation
Number of Samples:
2
Number of Exceedances:
1
Data and Information Type:
PATHOGEN MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed LA County MS4 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 1 of the 2 samples exceeded the Statistical Threshold Value (STV) water quality threshold for Enterococcus. The STV is based on a 10% exceedance rate that is calculated monthly.
The bacteria water quality objective to protect the REC-1 beneficial use where the salinity is 1 ppth or higher 95 percent or more of the time applies a Statistical Threshold Value to enterococcus of 110 cfu/100 mL, not to be exceeded by more than 10 percent of samples collected within in a calendar month. (ISWEBE 2018)
Line of Evidence (LOE) for Decision ID 150328, Indicator Bacteria
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
302052
Pollutant:
Enterococcus
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
STV
Beneficial Use:
Water Contact Recreation
Number of Samples:
4
Number of Exceedances:
3
Data and Information Type:
PATHOGEN MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed City of LB Integrated Monitoring for MS4 Permit data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 3 of the 4 samples exceeded the Statistical Threshold Value (STV) water quality threshold for Enterococcus. The STV is based on a 10% exceedance rate that is calculated monthly.
The bacteria water quality objective to protect the REC-1 beneficial use where the salinity is 1 ppth or higher 95 percent or more of the time applies a Statistical Threshold Value to enterococcus of 110 cfu/100 mL, not to be exceeded by more than 10 percent of samples collected within in a calendar month. (ISWEBE 2018)
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chrysene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135755, Chrysene (C1-C4)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
247398
Pollutant:
Chrysene (C1-C4)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chrysene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135755, Chrysene (C1-C4)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
247068
Pollutant:
Chrysene (C1-C4)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chrysene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135755, Chrysene (C1-C4)
Region 4
San Pedro Bay Near Off Shore Zones
DECISION ID
135759
Region 4
San Pedro Bay Near Off Shore Zones
Pollutant:
Lead
Final Listing Decision:
Do Not List on 303(d) list (TMDL required list)
Last Listing Cycle's Final Listing Decision:
New Decision
Revision Status
Revised
Impairment from Pollutant or Pollution:
Pollutant
Regional Board Conclusion:
This pollutant is being considered for placement on the CWA section 303(d) List under section 3.1 of the Listing Policy. Under section 3.1 a single line of evidence is necessary to assess listing status. Under section 3.6 at least two lines of evidence are necessary to assess listing status for pollutants in sediment, and pollutant concentrations in sediment must be associated with sediment toxicity to justify adding that pollutant to the CWA section 303(d) List.
Based on the readily available data and information, the weight of evidence indicates that there is sufficient justification against placing this water segment-pollutant combination on the CWA section 303(d) List in the Water Quality Limited Segments category.
This conclusion is based on the staff findings that: 1. The data used satisfies the data quality requirements of section 6.1.4 of the Policy. 2. The data used satisfies the data quantity requirements of section 6.1.5 of the Policy. 3. 0 of 40 samples exceeded the criteria for lead in water and 0 of 18 samples exceed the guideline for lead in sediment and this does not exceed the allowable frequency listed in Table 3.1 of the Listing Policy. 4. Pursuant to section 3.11 of the Listing Policy, no additional data and information are available indicating that standards are not met.
Regional Board Decision Recommendation:
After review of the available data and information, RWQCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list because applicable water quality standards are not being exceeded.
State Board Review of Regional Board Conclusion and Recommendation:
State Board Decision Recommendation:
After review of this Regional Board decision, SWRCB staff recommend the decision be approved by the State Board.
Listing Extent:
Line of Evidence (LOE) for Decision ID 135759, Lead
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
263116
Pollutant:
Lead
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Dissolved
Beneficial Use:
Marine Habitat
Number of Samples:
8
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed City of LB Integrated Monitoring for MS4 Permit data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 8 samples exceeded the water quality threshold for Lead.
The dissolved lead criterion continuous concentration (expressed as a 4-day average) to protect aquatic life in saline water is 8.1 ug/L (California Toxics Rule, 2000).
Line of Evidence (LOE) for Decision ID 135759, Lead
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
263004
Pollutant:
Lead
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Dissolved
Beneficial Use:
Marine Habitat
Number of Samples:
6
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 6 samples exceeded the water quality threshold for Lead.
The dissolved lead criterion continuous concentration (expressed as a 4-day average) to protect aquatic life in saline water is 8.1 ug/L (California Toxics Rule, 2000).
The samples were collected at 1 monitoring site: SP-RW-20 (SP-RW-20-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2017-09-05 and 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135759, Lead
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
248764
Pollutant:
Lead
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Lead .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135759, Lead
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
248782
Pollutant:
Lead
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Lead .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that prodtr>
LOE ID:
247070
Pollutant:
Chrysene (C1-C4)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chrysene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-18 (SP-SS-18-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135755, Chrysene (C1-C4)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
247073
Pollutant:
Chrysene (C1-C4)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chrysene .
Line of Evidence (LOE) for Decision ID 135759, Lead
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249007
Pollutant:
Lead
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Lead .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135755, Chrysene (C1-C4)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
247094
Pollutant:
Chrysene (C1-C4)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chrysene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135755, Chrysene (C1-C4)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
247111
Pollutant:
Chrysene (C1-C4)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chrysene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135755, Chrysene (C1-C4)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
247113
Pollutant:
Chrysene (C1-C4)
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Chrysene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
">Line of Evidence (LOE) for Decision ID 135759, Lead
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
248796
Pollutant:
Lead
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Lead .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-19 (SP-SS-19-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135759, Lead
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
248910
Pollutant:
Lead
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Lead .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135759, Lead
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
248915
Pollutant:
Lead
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Lead .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135759, Lead
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249030
Pollutant:
Lead
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Lead .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-18 (SP-SS-18-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135759, Lead
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
248936
Pollutant:
Lead
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
DECISION ID
149845
Region 4
San Pedro Bay Near Off Shore Zones
Pollutant:
DDD (Dichlorodiphenyldichloroethane)
Final Listing Decision:
Do Not List on 303(d) list (TMDL required list)
Last Listing Cycle's Final Listing Decision:
New Decision
Revision Status
Revised
Impairment from Pollutant or Pollution:
Pollutant
Regional Board Conclusion:
Insufficient information is available to determine beneficial use support for this waterbody-pollutant combination with the statistical power and confidence required by the Listing Policy. Beneficial use support will be reassessed in a future cycle, if more data are available
Regional Board Decision Recommendation:
After review of the available data and information, RWQCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list. The readily available data and information is insufficient to determine, with the power and confidence of the Listing Policy, the applicable beneficial use support rating.
State Board Review of Regional Board Conclusion and Recommendation:
State Board Decision Recommendation:
After review of the available data and information, SWRCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list because it cannot be determined if applicable water quality standards are not being exceeded.
Listing Extent:
Line of Evidence (LOE) for Decision ID 149845, DDD (Dichlorodiphenyldichloroethane)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
259538
Pollutant:
DDD (Dichlorodiphenyldichloroethane)
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for DDD(p,p'). Although a total of 5 samples were collected, 5 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
The samples were collected at 1 monitoring site: SP-RW-20 (SP-RW-20-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-01-10 to 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 149845, DDD (Dichlorodiphenyldichloroethane)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
259722
Pollutant:
DDD (Dichlorodiphenyldichloroethane)
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed City of LB Integrated Monitoring for MS4 Permit data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for DDD(p,p'). Although a total of 7 samples were collected, 7 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
Line of Evidence (LOE) for Decision ID 149845, DDD (Dichlorodiphenyldichloroethane)
Region 4
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Lead .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135759, Lead
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
248826
Pollutant:
Lead
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Lead .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): B18-10004 (B18-10004).
Temporal Representation:
Data for tRIGHT: 2%; PADDING-LEFT: 0%; FONT-WEIGHT: bold; PADDING-BOTTOM: 3px; WIDTH: 100%; text-align: left; PADDING-TOP: 3px; font-smooth: always">San Pedro Bay Near Off Shore Zones
LOE ID:
252077
Pollutant:
DDD (Dichlorodiphenyldichloroethane)
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed LA County MS4 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for DDD(p,p'). Although a total of 3 samples were collected, 3 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
Line of Evidence (LOE) for Decision ID 149845, DDD (Dichlorodiphenyldichloroethane)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
259502
Pollutant:
DDD (Dichlorodiphenyldichloroethane)
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for DDD(p,p'). Although a total of 5 samples were collected, 5 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
Line of Evidence (LOE) for Decision ID 135759, Lead
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
248849
Pollutant:
Lead
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Lead .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
The samples were collected at 1 monitoring site: SP-RW-19 (SP-RW-19-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-01-10 to 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 149845, DDD (Dichlorodiphenyldichloroethane)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
259519
Pollutant:
DDD (Dichlorodiphenyldichloroethane)
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for DDD(p,p'). Although a total of 5 samples were collected, 5 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
The samples were collected at 1 monitoring site: SP-RW-18 (SP-RW-18-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-01-10 to 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Lead .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135759, Lead
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249206
Pollutant:
Lead
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Lead .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135759, Lead
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249114
Pollutant:
Lead
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Lead .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135759, Lead
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249140
Pollutant:
DECISION ID
135757
Region 4
San Pedro Bay Near Off Shore Zones
Pollutant:
Dibenz[a,h]anthracene
Final Listing Decision:
Do Not List on 303(d) list (TMDL required list)
Last Listing Cycle's Final Listing Decision:
New Decision
Revision Status
Revised
Impairment from Pollutant or Pollution:
Pollutant
Regional Board Conclusion:
This pollutant is being considered for placement on the CWA section 303(d) List under section 3.6 of the Listing Policy. Under section 3.6 at least two lines of evidence are necessary to assess listing status for pollutants sediment, and pollutant concentrations in sediment must be associated with sediment toxicity to justify adding that pollutant to the CWA section 303(d) List.
1 lines of evidence are available in the administrative record to assess this pollutant. 0 of the 17 samples exceed the guideline.
Based on the readily available data and information, the weight of evidence indicates that there is sufficient justification against placing this water segment-pollutant combination on the CWA section 303(d) List.
This conclusion is based on the staff findings that: 1. The data used satisfies the data quality requirements of section 6.1.4 of the Policy. 2. The data used satisfies the data quantity requirements of section 6.1.5 of the Policy. 3. 0 of the 17 samples exceed the guideline and this and this does not exceed the allowable frequency listed in Table 3.1 of the Listing Policy. 4. Pursuant to section 3.11 of the Listing Policy, no additional data and information are available indicating that standards are not met.
Regional Board Decision Recommendation:
After review of the available data and information, RWQCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list because applicable water quality standards are not being exceeded.
State Board Review of Regional Board Conclusion and Recommendation:
State Board Decision Recommendation:
After review of this Regional Board decision, SWRCB staff recommend the decision be approved by the State Board.
Listing Extent:
Line of Evidence (LOE) for Decision ID 135757, Dibenz[a,h]anthracene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
248403
Pollutant:
Dibenz[a,h]anthracene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Dibenz(a,h)anthracene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135757, Dibenz[a,h]anthracene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
248205
Pollutant:
Dibenz[a,h]anthracene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Dibenz(a,h)anthracene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Lead .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135759, Lead
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
102
Pollutant:
Sediment Toxicity
LOE Subgroup:
Toxicity
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
50
Number of Exceedances:
13
Data and Information Type:
Toxicity testing of sediments
Data Used to Assess Water Quality:
Overall, thirteen of 50 samples were toxic. This total was created from several different sediment studies within San Pedro Bay. Eleven of 33 samples were toxic (BPTCP). Two of 14 samples were toxic (Bight, 1998). None of three samples were toxic (W-EMAP) (LARWQCB & CCC, 2004).
Los Angeles RWQCB Basin Plan: All waters should be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological response in, human, plant, animal, or aquatic life.
LEFT: 0%; FONT-WEIGHT: bold; PADDING-BOTTOM: 3px; WIDTH: 100%; text-align: left; PADDING-TOP: 3px; font-smooth: always">Line of Evidence (LOE) for Decision ID 135757, Dibenz[a,h]anthracene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
248018
Pollutant:
Dibenz[a,h]anthracene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Dibenz(a,h)anthracene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135757, Dibenz[a,h]anthracene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
247782
Pollutant:
Dibenz[a,h]anthracene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Dibenz(a,h)anthra
Evaluation Guideline:
Samples were considered toxic if (1) there was a significant difference in mean organism response between the sample and the control, and (2) the mean organism response in the test, as a percent of the control, was less than the threshold based on the 90th percentile minimum significant difference value.
The Basin Plan states that, "[a]ll waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in human, plant, animal, or aquatic life."
Bay et. al. classifies sediment toxicity based on the following survival percentages: Non toxic if greater than or equal to 80% survival; moderately toxic if between 50 to 80% survival; and highly toxic if less than 50% survival.
A total of three stations were monitored in the San Pedro Bay near/off shore zones which include the following stations:
4066 (Lat: 33.74137, Long: -118.11663),
4274 (Lat: 33.7282833333, Long: -118.157083333), and
4408 (Lat: 33.75495, Long: -118.163533333).
Temporal Representation:
Composite surface sediment samples were taken on 07/21/2003 for station 4066, on 07/16/2003 and 08/07/2003 for stations 4098 and 4274.
Environmental Conditions:
QAPP Information:
Data was collected in compliance with the sampling and monitoring procedures detailed in Southern California Bight 2003 Regional Marine Monitoring Survey Quality Assurance Manual.
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135757, Dibenz[a,h]anthracene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
248230
Pollutant:
Dibenz[a,h]anthracene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Dibenz(a,h)anthracene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-20 (SP-SS-20-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
San Pedro Bay Near Off Shore Zones
LOE ID:
244540
Pollutant:
Toxicity
LOE Subgroup:
Toxicity
Matrix:
Sediment
Fraction:
None
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
TOXICITY TESTING
Data Used to Assess Water Quality:
0 of the 1 samples collected by Harbor Toxics TMDL Compliance Water Quality for San Pedro Bay Near/Off Shore Zones exhibited toxicity. A sample may have multiple toxicity test results, but will only be counted once. A sample is defined as being collected on the same day and the same location. The following organisms and parameters were utilized for the toxicity tests: Eohaustorius estuarius for Survival, Mytilus galloprovincialis for Normal Development.
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
The sample is toxic when the response of the organisms exposed to the sample is significantly different (worse) than the response of the organisms exposed to the laboratory control based on statistical hypothesis testing. An exceedance is counted when the significant effect code is “Significant; Less Similarity,” which means that the sample result is significantly different than the control result, and the percent effect is greater than the evaluation threshold. The default evaluation threshold is 20% unless otherwise stated.
The samples were collected at monitoring site: SP-SS-20 ( SP-SS-20-East San Pedro Bay ).
Temporal Representation:
The samples were collected between the dates of 2018-08-09 and 2018-08-09.
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135759, Lead
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
244528
Pollutant:
Toxicity
LOE Subgroup:
Toxicity
Matrix:
Sediment
Fraction:
None
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
TOXICITY TESTING
Data Used to Assess Water Quality:
0 of the 1 samples collected by Harbor Toxics TMDL Compliance Water Quality for San Pedro Bay Near/lign="top" width="67%">
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135757, Dibenz[a,h]anthracene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
248082
Pollutant:
Dibenz[a,h]anthracene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Dibenz(a,h)anthracene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
The sample is toxic when the response of the organisms exposed to the sample is significantly different (worse) than the response of the organisms exposed to the laboratory control based on statistical hypothesis testing. An exceedance is counted when the significant effect code is “Significant; Less Similarity,” which means that the sample result is significantly different than the control result, and the percent effect is greater than the evaluation threshold. The default evaluation threshold is 20% unless otherwise stated.
The samples were collected at monitoring site: SP-SS-18 ( SP-SS-18-East San Pedro Bay ).
Temporal Representation:
The samples were collected between the dates of 2018-08-09 and 2018-08-09.
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135759, Lead
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
244538
Pollutant:
Toxicity
LOE Subgroup:
Toxicity
Matrix:
Sediment
Fraction:
None
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
TOXICITY TESTING
Data Used to Assess Water Quality:
0 of the 1 samples collected by Harbor Toxics TMDL Compliance Water Quality for San Pedro Bay Near/Off Shore Zones exhibited toxicity. A sample may have multiple toxicity test results, but will only be counted once. A sample is defined as being collected on the same day and the same location. The following organisms and parameters were utilized for the toxicity tests: Mytilus galloprovincialis for Normal Development, Eohaustorius estuarius for Survival.
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
The sample is toxic when the response of the organisms exposed tleft" valign="top" width="33%">Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Dibenz(a,h)anthracene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135757, Dibenz[a,h]anthracene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
248085
Pollutant:
Dibenz[a,h]anthracene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Dibenz(a,h)anthracene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135757, Dibenz[a,h]anthracene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
248395
Pollutant:
Dibenz[a,h]anthracene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Dibenz(a,h)anthracene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135757, Dibenz[a,h]anthracene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
248141
Pollutant:
Dibenz[a,h]anthracene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Dibenz(a,h)anthracene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-19 (SP-SS-19-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135757, Dibenz[a,h]anthracene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
248042
Pollutant:
Dibenz[a,h]anthracene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Dibenz(a,h)anthracene .
The samples were collected at monitoring site: SP-SS-19 ( SP-SS-19-East San Pedro Bay ).
Temporal Representation:
The samples were collected between the dates of 2018-08-09 and 2018-08-09.
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135759, Lead
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
248761
Pollutant:
Lead
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Lead .
Waste discharged to the ocean must be essentially free of... Substances which will accumulate to toxic levels in marine waters, sediments or biota. (Chapter III Section A. 2 (b)(3) of the Ocean Plan)
Line of Evidence (LOE) for Decision ID 135759, Lead
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
252692
Pollutant:
Lead
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Dissolved
Beneficial Use:
Marine Habitat
Number of Samples:
8
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed LA County MS4 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 8 samples exceeded the water quality threshold for Lead.
The dissolved lead criterion continuous concentration (expressed as a 4-day average) to protect aquatic life in saline water is 8.1 ug/L (California Toxics Rule, 2000).
Line of Evidence (LOE) for Decision ID 135759, Lead
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
252648
Pollutant:
Lead
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Dissolved
Beneficial Use:
Marine Habitat
Number of Samples:
3
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed LA County MS4 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 3 samples exceeded the water quality threshold for Lead.
The dissolved lead criterion contint" valign="top" width="67%">Non-SWAMP
Water Quality Objective/Criterion:
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-18 (SP-SS-18-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135757, Dibenz[a,h]anthracene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
248107
Pollutant:
Dibenz[a,h]anthracene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Dibenz(a,h)anthracene .
Waste discharged to the ocean must be essentially free of... Substances which will accumulate to toxic levels in marine waters, sediments or biota. (Chapter III Section A. 2 (b)(3) of the Ocean Plan)
Line of Evidence (LOE) for Decision ID 135757, Dibenz[a,h]anthracene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
248081
Pollutant:
Dibenz[a,h]anthracene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Dibenz(a,h)anthracene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135759, Lead
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249306
Pollutant:
Lead
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Lead .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135759, Lead
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249160
Pollutant:
Lead
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Lead .
Waste discharged to the ocean must be essentially free of... Substances which will accumulate to toxic levels in marine waters, sediments or biota. (Chapter III Section A. 2 (b)(3) of the Ocean Plan)
Line of Evidence (LOE) for Decision ID 135759, Lead
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249155
Pollutant:
Lead
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Lead .
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Dibenz(a,h)anthracene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135757, Dibenz[a,h]anthracene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
248394
Pollutant:
Dibenz[a,h]anthracene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Dibenz(a,h)anthracene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135757, Dibenz[a,h]anthracene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
248245
Pollutant:
Dibenz[a,h]anthracene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Dibenz(a,h)anthracene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135757, Dibenz[a,h]anthracene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
248246
Pollutant:
Dibenz[a,h]anthracene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Dibenz(a,h)anthracene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-20 (SP-SS-20-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135759, Lead
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
252466
Pollutant:
Lead
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Dissolved
Beneficial Use:
Marine Habitat
Number of Samples:
3
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed LA County MS4 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 3 samples exceeded the water quality threshold for Lead.
The dissolved lead criterion continuous concentration (expressed as a 4-day average) to protect aquatic life in saline water is 8.1 ug/L (California Toxics Rule, 2000).
Line of Evidence (LOE) for Decision ID 135759, Lead
DECISION ID
135758
Region 4
San Pedro Bay Near Off Shore Zones
Pollutant:
Dieldrin
Final Listing Decision:
Do Not List on 303(d) list (TMDL required list)
Last Listing Cycle's Final Listing Decision:
Do Not List on 303(d) list (TMDL required list)(2018)
Revision Status
Revised
Impairment from Pollutant or Pollution:
Pollutant
Regional Board Conclusion:
This pollutant is being considered for placement on the CWA section 303(d) List under sections 3.1, 3.5 and 3.6 of the Listing Policy. Under sections 3.1 and 3.5 a single line of evidence are necessary to assess listing status. Under section 3.6 at least two lines of evidence are necessary to assess listing status for pollutants sediment, and pollutant concentrations in sediment must be associated with sediment toxicity to justify adding that pollutant to the CWA section 303(d) List.
6 lines of evidence are available in the administrative record to assess this pollutant. 0 of 0 sample exceeded the guideline for dieldrin in fish tissue. 0 of 3 samples exceeded the guideline for dieldrin in fish tissue. 1 of 1 samples exceeded the guideline for dieldrin in shellfish tissue. 0 of 3 samples exceeded the guideline for dieldrin in sediment. 0 of 0 sample exceeded the criteria for dieldrin in water. 0 of 16 samples exceeded the criteria for dieldrin in water.
Based on the readily available data and information, the weight of evidence indicates that there is sufficient justification against placing this water segment-pollutant combination on the CWA section 303(d) List. This conclusion is based on the staff findings that: 1. The data used satisfies the data quality requirements of section 6.1.4 of the Policy. 2. The data used satisfies the data quantity requirements of section 6.1.5 of the Policy. 3. 0 of 0, 0 of 3, 1 of 1and 0 of 3 exceeded the guidelines and 0 of 0 and 0 of 16 samples exceeded the criteria and this does not exceed the allowable frequency listed in Table 3.1 of the Listing Policy. 4. Pursuant to SECTION 3.11 of the Listing Policy, no additional data and information are available indicating that standards are not met.
Regional Board Decision Recommendation:
After review of the available data and information, RWQCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list because applicable water quality standards are not being exceeded.
State Board Review of Regional Board Conclusion and Recommendation:
State Board Decision Recommendation:
After review of this Regional Board decision, SWRCB staff recommend the decision be approved by the State Board.
Listing Extent:
Line of Evidence (LOE) for Decision ID 135758, Dieldrin
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
248169
Pollutant:
Dieldrin
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Dieldrin .
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 6 samples exceeded the water quality threshold for Lead.
The dissolved lead criterion continuous concentration (expressed as a 4-day average) to protect aquatic life in saline water is 8.1 ug/L (California Toxics Rule, 2000).
The samples were collected at 1 monitoring site: SP-RW-18 (SP-RW-18-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2017-09-05 and 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135759, Lead
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
262798
Pollutant:
Lead
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Dissolved
Beneficial Use:
Marine Habitat
Number of Samples:
6
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 6 samples exceeded the water quality threshold for Lead.
The dissolved lead criterion continuous concentration (expressed as a 4-day average) to protect aquatic life in saline water is 8.1 ug/L (California Toxics Rule, 2000).
The samples were collected at 1 monitoring site: SP-RW-19 (SP-RW-19-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2017-09-05 and 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
No individual pesticide or combination of pesticides shall be present in concentrations that adversely affect beneficial uses. There shall be no increase in pesticide concentrations found in bottom sediments or aquatic life.
In marine and estuarine sediments the effects range median (predictive of sediment toxicity for sediment-dwelling organisms) for Dieldrin is 8 ng/g dry weight (Long et al., 1995).
Data were collected from 1 station(s). Station Code(s): SP-SS-20 (SP-SS-20-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135758, Dieldrin
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
252179
Pollutant:
Dieldrin
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed LA County MS4 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for Dieldrin. Although a total of 3 samples were collected, 3 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
Line of Evidence (LOE) for Decision ID 135758, Dieldrin
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
260567
Pollutant:
Dieldrin
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed City of LB Integrated Monitoring for MS4 Permit data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for Dieldrin. Although a total of 7 samples were collected, 7 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
Line of Evidence (LOE) for Decision ID 135758, Dieldrin
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
88049
Pollutant:
Dieldrin
LOE Subgroup:
Pollutant-Tissue
Matrix:
Tissue
Fraction:
Shellfish
Beneficial Use:
Shellfish Harvesting
Number of Samples:
1
Number of Exceedances:
1
Data and Information Type:
Shellfish surveys
Data Used to Assess Water Quality:
The sample did exceed the guideline. Data were reported on a dry weight basis and were converted to a wet weight basis by multiplying the dry-weight concentration by a factor of 1 minus the percentage of moisture content expressed as a decimal.
Toxic pollutants shall not be present at levels that will bioaccumulate in aquatic life to levels which are harmful to aquatic life or human health. No individual pesticide or combination of pesticides shall be present in concentrations that adversely affect beneficial uses. There shall be no bioaccumulation of pesticide concentrations found in bottom sediments or aquatic life.
The modified OEHHA Fish Contaminant Goal for dieldrin in shellfish tissue is 0.49 ppb. This screening level assumes an average body weight of 70 kg and a consumption rate of 21 g/day for a 30 year exposure over a 70-year lifetime. This constituent is a carcinogen therefore the risk level is set to one in a million. (Brodberg, R.K., and G.A. Pollock, 1999; Klasing, S., and R. Brodberg, 2008)
Samples are collected by hand from three sub-locations for each site. The composite sample was collected from Long Beach Breakwater, site LBBW.
Temporal Representation:
Representative samples of locally abundant species were collected during the winter on 3/4/2008
Environmental Conditions:
QAPP Information:
Samples were collected as part of the State Water Board's Mussel Watch Program which is a part of the National Oceanic Administration's (NOAAs) National Status and Trends (NS&T). Mussels are shipped to NOAAs contract labs for analysis of trace constituents and mussel condition. Analytical protocols follow those approved by NOAAs NS&T Program Additional background information can be found at:
http://ccma.nos.noaa.gov/stressors/pollution/nsandt/
QAPP Information Reference(s):
Line of Evidence (LOE) for Decision ID 135758, Dieldrin
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
260443
Pollutant:
Dieldrin
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
7
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed City of LB Integrated Monitoring for MS4 Permit data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 7 samples exceeded the water quality threshold for Dieldrin.
The dieldrin criterion continuous concentration (expressed as a 4-day average) to protect aquatic life in saline water is 0.0019 ug/L (California Toxics Rule, 2000).
Do Not List on 303(d) list (TMDL required list)(2018)
Revision Status
Revised
Impairment from Pollutant or Pollution:
Pollutant
Regional Board Conclusion:
This pollutant is being considered for placement on the CWA section 303(d) List under section 3.1 of the Listing Policy.
Zero samples exceeded the objectives, guidelines, or criteria for beneficial uses applicable to this water segment-pollutant combination, which is less than the minimum number of exceedances needed to place the water segment on the section CWA section 303(d) List for toxicants (Table 3.1 of the Listing Policy).
The data used satisfies the data quality requirements (section 6.1.4) and data quantity requirements (section 6.1.5) of the Listing Policy.
Pursuant to section 3.11 of the Listing Policy, no additional data and information are available indicating that standards are not met. Based on the readily available data and information, the weight of evidence indicates that there is sufficient justification against placing this water segment-pollutant combination on the CWA section 303(d) List.
Regional Board Decision Recommendation:
Decision written by SWRCB staff.
State Board Review of Regional Board Conclusion and Recommendation:
State Board Decision Recommendation:
After review of the available data and information, SWRCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list because applicable water quality standards for the pollutant are not exceeded.
Listing Extent:
Line of Evidence (LOE) for Decision ID 149849, Mercury
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
88055
Pollutant:
Mercury
LOE Subgroup:
Pollutant-Tissue
Matrix:
Tissue
Fraction:
Shellfish
Beneficial Use:
Shellfish Harvesting
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
Shellfish surveys
Data Used to Assess Water Quality:
The sample did not exceed the guideline. Data were reported on a dry weight basis and were converted to a wet weight basis by multiplying the dry-weight concentration by a factor of 1 minus the percentage of moisture content expressed as a decimal.
Toxic pollutants shall not be present at levels that will bioaccumulate in aquatic life to levels which are harmful to aquatic life or human health. No individual pesticide or combination of pesticides shall be present in concentrations that adversely affect beneficial uses. There shall be no bioaccumulation of pesticide concentrations found in bottom sediments or aquatic life.
Line of Evidence (LOE) for Decision ID 135758, Dieldrin
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
260482
Pollutant:
Dieldrin
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for Dieldrin. Although a total of 5 samples were collected, 5 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
The samples were collected at 1 monitoring site: SP-RW-20 (SP-RW-20-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-01-10 to 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135758, Dieldrin
Region 4
Evaluation Guideline:
The USEPA 304(a) recommended water quality criterion for concentrations of methylmercury in shellfish tissue (wet weight) is 0.2 ppm. (Brodberg, R.K., and G.A. Pollock, 1999; USEPA, 2001)
Samples are collected by hand from three sub-locations for each site. The composite sample was collected from Long Beach Breakwater, site LBBW.
Temporal Representation:
Representative samples of locally abundant species were collected during the winter on 3/4/2008
Environmental Conditions:
QAPP Information:
Samples were collected as part of the State Water Board's Mussel Watch Program which is a part of the National Oceanic Administration's (NOAAs) National Status and Trends (NS&T). Mussels are shipped to NOAAs contract labs for analysis of trace constituents and mussel condition. Analytical protocols follow those approved by NOAAs NS&T Program Additional background information can be found at:
http://ccma.nos.noaa.gov/stressors/pollution/nsandt/
QAPP Information Reference(s):
Line of Evidence (LOE) for Decision ID 149849, Mercury
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
252574
Pollutant:
Mercury
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
2
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed LA County MS4 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 2 samples exceeded the water quality threshold for Mercury.
The Water Quality Control Plan for the Los Angeles Region states that: Surface waters shall not contain concentrations of chemical constituents in amounts that adversely affect any designated beneficial use.
National Recommended Water Quality Criteria Continuous Concentration (4-day average concentrations) for saltwater aquatic organisms exposure to total mercury is 0.94 ug/L.
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for Dieldrin. Although a total of 5 samples were collected, 5 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
The samples were collected at 1 monitoring site: SP-RW-19 (SP-RW-19-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-01-10 to 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135758, Dieldrin
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
244627
Pollutant:
Dieldrin
LOE Subgroup:
Pollutant-Tissue
Matrix:
Tissue
Fraction:
Fish fillet
Beneficial Use:
Marine Habitat
Number of Samples:
3
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows 0 of the 3 samples exceeded the water quality threshold for Dieldrin. Data were collected for 7 fish species (3 composite(s) of Northern Anchovy each composed of NA fish per composite, 1 composite(s) of White Croaker each composed of 4 fish per composite, 1 composite(s) of White Croaker each composed of 5 fish per composite, 1 composite(s) of White Croaker each composed of 6 fish per composite, 1 composite(s) of California Halibut each composed of 10 fish per composite, 1 composite(s) of California Halibut each composadding="0">
Line of Evidence (LOE) for Decision ID 149849, Mercury
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
263357
Pollutant:
Mercury
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Dissolved
Beneficial Use:
Marine Habitat
Number of Samples:
6
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 6 samples exceeded the water quality threshold for Mercury.
The Water Quality Control Plan for the Los Angeles Region states that: Surface waters shall not contain concentrations of chemical constituents in amounts that adversely affect any designated beneficial use.
National Recommended Water Quality Criteria Continuous Concentration (4-day average concentrations) for saltwater aquatic organisms exposure to total mercury is 0.94 ug/L.
The samples were collected at 1 monitoring site: SP-RW-19 (SP-RW-19-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2017-09-05 and 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 149849, Mercury
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
252681
Pollutant:
Mercury
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
4
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed LA County MS4 data for San Pedro Bay ed of 1 fish per composite, 1 composite(s) of California Halibut each composed of 6 fish per composite).
The Water Quality Control Plan for the Los Angeles Region (page 3-29) states that: Toxic pollutants shall not be present at levels that will bioaccumulate in aquatic life to levels which are harmful to aquatic life or human health.
National Academy of Science guidelines (NAS 1972) establish a maximum Dieldrin concentration of 100 ug/Kg (wet weight) in tissue samples for protection of aquatic life from bioaccumulation of toxic substances.
Data were collected from 1 station(s). Station Code(s): SP_2018_Fish (SP_2018_Fish-East San Pedro Bay).
Temporal Representation:
Data for this line of evidence were collected between 2018-10-02 and 2018-10-02. When composited fish were collected over multiple days, the first day of fish collection was used as the sample date in the LOE, both for LOE writing, and for averaging period purposes.
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135758, Dieldrin
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
252155
Pollutant:
Dieldrin
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
3
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed LA County MS4 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 3 samples exceeded the water quality threshold for Dieldrin.
The dieldrin criterion continuous concentration (expressed as a 4-day average) to protect aquatic life in saline water is 0.0019 ug/L (California Toxics Rule, 2000).
Line of Evidence (LOE) for Decision ID 149849, Mercury
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249603
Pollutant:
Mercury
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Mercury .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 149849, Mercury
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249496
Pollutant:
Mercury
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Mercury .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 149849, Mercury
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
263722
Pollutant:
Mercury
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
6
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial uslign="left" valign="top" width="67%">
Line of Evidence (LOE) for Decision ID 135758, Dieldrin
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
260592
Pollutant:
Dieldrin
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
3
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 3 samples exceeded the water quality threshold for Dieldrin. Although a total of 5 samples were collected, 2 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
The dieldrin criterion continuous concentration (expressed as a 4-day average) to protect aquatic life in saline water is 0.0019 ug/L (California Toxics Rule, 2000).
The samples were collected at 1 monitoring site (SP-RW-20).
Temporal Representation:
Data for this waterbody was collected over the date range 2018-01-10 to 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135758, Dieldrin
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
260487
Pollutant:
Dieldrin
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
3
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 3 samples exceeded the water quality threshold for Dieldrin. Although a total of 5 samples were collected, 2 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
The dieldrin criterion continuous concentration (expressed as a 4-day average) to protect aquatic life in saline water is 0.0019 ug/L (California Toxics Rule, 2000).
The samples were collected at 1 monitoring site (SP-RW-19).
Temporal Representation:
Data for this waterbody was collected over the date range 2018-01-10 to 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135758, Dieldrin
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
248148
Pollutant:
Dieldrin
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Dieldrin .
No individual pesticide or combination of pesticides shall be present in concentrations that adversely affect beneficial uses. There shall be no increase in pesticide concentrations found in bottom sediments or aquatic life.
In marine and estuarine sediments the effects range median (predictive of sediment toxicity for sediment-dwelling organisms) for Dieldrin is 8 ng/g dry weight (Long et al., 1995).
The Water Quality Control Plan for the Los Angeles Region states that: Surface waters shall not contain concentrations of chemical constituents in amounts that adversely affect any designated beneficial use.
National Recommended Water Quality Criteria Continuous Concentration (4-day average concentrations) for saltwater aquatic organisms exposure to total mercury is 0.94 ug/L.
The samples were collected at 1 monitoring site: SP-RW-19 (SP-RW-19-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2017-09-05 and 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 149849, Mercury
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249679
Pollutant:
Mercury
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Mercury .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): B18-10003 (B18-10003).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
Development and evaluation of sediment quality guidelines for Florida coastal waters. Ecotoxicology 5: 253-278
Spatial Representation:
Data were collected from 1 station(s). Station Code(s): SP-SS-19 (SP-SS-19-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135758, Dieldrin
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
244695
Pollutant:
Dieldrin
LOE Subgroup:
Pollutant-Tissue
Matrix:
Tissue
Fraction:
Fish fillet
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Waterboard staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: Zero of Zero samples exceeded the water quality threshold for Dieldrin. Although data was collected for 7 fish species (3 composite(s) of Northern Anchovy each composed of NA fish per composite, 1 composite(s) of White Croaker each composed of 6 fish per composite, 1 composite(s) of White Croaker each composed of 5 fish per composite, 1 composite(s) of White Croaker each composed of 4 fish per composite, 1 composite(s) of California Halibut each composed of 6 fish per composite, 1 composite(s) of California Halibut each composed of 1 fish per composite, 1 composite(s) of California Halibut each composed of 10 fish per composite), all 9 sample(s) had to be thrown out due to quantitation issues.
The Water Quality Control Plan for the Los Angeles Region (page 3-29) states that: Toxic pollutants shall not be present at levels that will bioaccumulate in aquatic life to levels which are harmful to aquatic life or human health.
The modified OEHHA Fish Contaminant Goal for dieldrin in fish tissue is 0.32 ppb. This screening level assumes an average body weight of 70 kg and a consumption rate of 32 g/day for a 30 year exposure over a 70-year lifetime. This constituent is a carcinogen therefore the risk level is set to one in a million. A cooking reduction factor of 1 is applied for skin-off fillets. (Klasing, S., and R. Brodberg, 2008)
Data were collected from 1 station(s). Station Code(s): SP_2018_Fish (SP_2018_Fish-East San Pedro Bay).
Temporal Representation:
Data for this line of evidence were collected between 2018-10-02 and 2018-10-02. When composited fish were collected over multiple days, the first day of fish collection was used as the sample date in the LOE, both for LOE writing, and for averaging period purposes.
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
QAPP Information:
SWRCB. 2018. This is a placeholder reference for data that was collected after QAPP requirements were developed, but exempt from the requirements.
Line of Evidence (LOE) for Decision ID 149849, Mercury
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249751
Pollutant:
Mercury
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Mercury .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135758, Dieldrin
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
248236
Pollutant:
Dieldrin
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Dieldrin .
No individual pesticide or combination of pesticides shall be present in concentrations that adversely affect beneficial uses. There shall be no increase in pesticide concentrations found in bottom sediments or aquatic life.
In marine and estuarine sediments the effects range median (predictive of sediment toxicity for sediment-dwelling organisms) for Dieldrin is 8 ng/g dry weight (Long et al., 1995).
Data were collected from 1 station(s). Station Code(s): SP-SS-18 (SP-SS-18-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135758, Dieldrin
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
260525
Pollutant:
Dieldrin
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for Dieldrin. Although a total of 5 samples were collected, 5 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
The samples were collected at 1 monitoring site: SP-RW-18 (SP-RW-18-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-01-10 to 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 6 samples exceeded the water quality threshold for Mercury.
The Water Quality Control Plan for the Los Angeles Region states that: Surface waters shall not contain concentrations of chemical constituents in amounts that adversely affect any designated beneficial use.
National Recommended Water Quality Criteria Continuous Concentration (4-day average concentrations) for saltwater aquatic organisms exposure to total mercury is 0.94 ug/L.
The samples were collected at 1 monitoring site: SP-RW-18 (SP-RW-18-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2017-09-05 and 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 149849, Mercury
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
252454
Pollutant:
Mercury
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Dissolved
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
3
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed LA County MS4 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 3 samples exceeded the water quality threshold for Mercury.
Line of Evidence (LOE) for Decision ID 149849, Mercury
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249541
Pollutant:
Mercury
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Mercury .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 149849, Mercury
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249656
Pollutant:
Mercury
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Benefici
DECISION ID
150328
Region 4
San Pedro Bay Near Off Shore Zones
Pollutant:
Indicator Bacteria
Final Listing Decision:
Do Not List on 303(d) list (TMDL required list)
Last Listing Cycle's Final Listing Decision:
New Decision
Revision Status
Revised
Impairment from Pollutant or Pollution:
Pollutant
Regional Board Conclusion:
Insufficient information is available to determine beneficial use support for this waterbody-pollutant combination with the statistical power and confidence required by the Listing Policy. Beneficial use support will be reassessed in a future cycle, if more data are available
Regional Board Decision Recommendation:
After review of the available data and information, RWQCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list. The readily available data and information is insufficient to determine, with the power and confidence of the Listing Policy, the applicable beneficial use support rating.
State Board Review of Regional Board Conclusion and Recommendation:
State Board Decision Recommendation:
After review of the available data and information, SWRCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list because it cannot be determined if applicable water quality standards are not being exceeded.
Listing Extent:
Line of Evidence (LOE) for Decision ID 150328, Indicator Bacteria
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
303201
Pollutant:
Enterococcus
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
STV
Beneficial Use:
Water Contact Recreation
Number of Samples:
2
Number of Exceedances:
1
Data and Information Type:
PATHOGEN MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed LA County MS4 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 1 of the 2 samples exceeded the Statistical Threshold Value (STV) water quality threshold for Enterococcus. The STV is based on a 10% exceedance rate that is calculated monthly.
The bacteria water quality objective to protect the REC-1 beneficial use where the salinity is 1 ppth or higher 95 percent or more of the time applies a Statistical Threshold Value to enterococcus of 110 cfu/100 mL, not to be exceeded by more than 10 percent of samples collected within in a calendar month. (ISWEBE 2018)
Line of Evidence (LOE) for Decision ID 150328, Indicator Bacteria
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
302052
Pollutant:
Enterococcus
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
STV
Beneficial Use:
Water Contact Recreation
Number of Samples:
4
Number of Exceedances:
3
Data and Information Type:
PATHOGEN MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed City of LB Integrated Monitoring for MS4 Permit data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 3 of the 4 samples exceeded the Statistical Threshold Value (STV) water quality threshold for Enterococcus. The STV is based on a 10% exceedance rate that is calculated monthly.
The bacteria water quality objective to protect the REC-1 beneficial use where the salinity is 1 ppth or higher 95 percent or more of the time applies a Statistical Threshold Value to enterococcus of 110 cfu/100 mL, not to be exceeded by more than 10 percent of samples collected within in a calendar month. (ISWEBE 2018)
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Mercury .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 149849, Mercury
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249780
Pollutant:
Mercury
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Mercury .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
This pollutant is being considered for placement on the CWA section 303(d) List under section 3.1 of the Listing Policy. Under section 3.1 a single line of evidence is necessary to assess listing status. Under section 3.6 at least two lines of evidence are necessary to assess listing status for pollutants in sediment, and pollutant concentrations in sediment must be associated with sediment toxicity to justify adding that pollutant to the CWA section 303(d) List.
Based on the readily available data and information, the weight of evidence indicates that there is sufficient justification against placing this water segment-pollutant combination on the CWA section 303(d) List in the Water Quality Limited Segments category.
This conclusion is based on the staff findings that: 1. The data used satisfies the data quality requirements of section 6.1.4 of the Policy. 2. The data used satisfies the data quantity requirements of section 6.1.5 of the Policy. 3. 0 of 40 samples exceeded the criteria for lead in water and 0 of 18 samples exceed the guideline for lead in sediment and this does not exceed the allowable frequency listed in Table 3.1 of the Listing Policy. 4. Pursuant to section 3.11 of the Listing Policy, no additional data and information are available indicating that standards are not met.
Regional Board Decision Recommendation:
After review of the available data and information, RWQCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list because applicable water quality standards are not being exceeded.
State Board Review of Regional Board Conclusion and Recommendation:
State Board Decision Recommendation:
After review of this Regional Board decision, SWRCB staff recommend the decision be approved by the State Board.
Listing Extent:
Line of Evidence (LOE) for Decision ID 135759, Lead
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
263116
Pollutant:
Lead
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Dissolved
Beneficial Use:
Marine Habitat
Number of Samples:
8
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed City of LB Integrated Monitoring for MS4 Permit data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 8 samples exceeded the water quality threshold for Lead.
The dissolved lead criterion continuous concentration (expressed as a 4-day average) to protect aquatic life in saline water is 8.1 ug/L (California Toxics Rule, 2000).
Line of Evidence (LOE) for Decision ID 135759, Lead
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
263004
Pollutant:
Lead
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Dissolved
Beneficial Use:
Marine Habitat
Number of Samples:
6
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 6 samples exceeded the water quality threshold for Lead.
The dissolved lead criterion continuous concentration (expressed as a 4-day average) to protect aquatic life in saline water is 8.1 ug/L (California Toxics Rule, 2000).
The samples were collected at 1 monitoring site: SP-RW-20 (SP-RW-20-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2017-09-05 and 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 149849, Mercury
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249452
Pollutant:
Mercury
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Mercury .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-19 (SP-SS-19-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 149849, Mercury
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249735
Pollutant:
San Pedro Bay Near Off Shore Zones
LOE ID:
248764
Pollutant:
Lead
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Lead .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135759, Lead
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
248782
Pollutant:
Lead
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Lead .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that prodn="top" width="67%">Mercury
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Mercury .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-18 (SP-SS-18-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 149849, Mercury
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
263356
Pollutant:
Mercury
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Dissolved
Beneficial Use:
Marine Habitat
Number of Samples:
6
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 6 samples exceeded the water quality threshold for Mercury.
The Water Quality Control Plan for the Los Angeles Region states that: Surface waters shall not contain concentrations of chemical constituents in amounts that adversely affect any designated beneficial use.
National Recommended Water Quality Criteria Continuous Concentration (4-day average concentrations) for saltwater aquatic organisms exposure to total mercury is 0.94 ug/L.
The samples were collected at 1 monitoring site: SP-RW-20 (SP-RW-20-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2017-09-05 and 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 149849, Mercury
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249562
Pollutant:
Mercury
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Mercury .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135759, Lead
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249007
Pollutant:
Lead
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Lead .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Mercury .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 149849, Mercury
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
263682
Pollutant:
Mercury
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
6
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 6 samples exceeded the water quality threshold for Mercury.
Line of Evidence (LOE) for Decision ID 135759, Lead
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
248796
Pollutant:
Lead
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Lead .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-19 (SP-SS-19-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135759, Lead
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
248910
Pollutant:
Lead
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Lead .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135759, Lead
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
248915
Pollutant:
Lead
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Lead .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): B18-10006 (B18-10006).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-07-25 to 2018-07-25
Environmental Conditions:
QAPP Information:
SWRCB. 2018. This is a placeholder reference for data that was collected after QAPP requirements were developed, but exempt from the requirements.
QAPP Information Reference(s):
SWAMP Data:
Non-SWAMP
Water Quality Objective/Criterion:
The Water Quality Control Plan for the Los Angeles Region states that: Surface waters shall not contain concentrations of chemical constituents in amounts that adversely affect any designated beneficial use.
National Recommended Water Quality Criteria Continuous Concentration (4-day average concentrations) for saltwater aquatic organisms exposure to total mercury is 0.94 ug/L.
The samples were collected at 1 monitoring site: SP-RW-18 (SP-RW-18-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2017-09-05 and 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 149849, Mercury
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
263719
Pollutant:
Mercury
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
5
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 5 samples exceeded the water quality threshold for Mercury.
The samples were collected at 1 monitoring site: SP-RW-19 (SP-RW-19-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2017-09-05 and 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 149849, Mercury
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249792
Pollutant:
Mercury
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Mercury .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135759, Lead
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249030
Pollutant:
Lead
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Lead .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-18 (SP-SS-18-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135759, Lead
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
248936
Pollutant:
Lead
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Lead .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135759, Lead
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
248826
Pollutant:
Lead
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Lead .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Waste discharged to the ocean must be essentially free of... Substances which will accumulate to toxic levels in marine waters, sediments or biota. (Chapter III Section A. 2 (b)(3) of the Ocean Plan)
Line of Evidence (LOE) for Decision ID 149849, Mercury
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
263647
Pollutant:
Mercury
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
8
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed City of LB Integrated Monitoring for MS4 Permit data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 8 samples exceeded the water quality threshold for Mercury.
The Water Quality Control Plan for the Los Angeles Region states that: Surface waters shall not contain concentrations of chemical constituents in amounts that adversely affect any designated beneficial use.
National Recommended Water Quality Criteria Continuous Concentration (4-day average concentrations) for saltwater aquatic organisms exposure to total mercury is 0.94 ug/L.
Line of Evidence (LOE) for Decision ID 149849, Mercury
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
263243
Pollutant:
Mercury
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
5
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 5 samples exceeded the water quality threshold for Mercury.
The samples were collected at 1 monitoring site: SP-RW-20 (SP-RW-20-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2017-09-05 and 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 149849, Mercury
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
263260
Pollutant:
Mercury
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
7
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed City of LB Integrated Monitoring for MS4 Permit data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 7 samples exceeded the water quality threshold for Mercury.
Line of Evidence (LOE) for Decision ID 149849, Mercury
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
252439
Pollutant:
Mercury
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Dissolved
Beneficial Use:
Marine Habitat
Number of Samples:
3
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed LA County MS4 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 3 samples exceeded the water quality threshold for Mercury.
The Water Quality Control Plan for the Los Angeles Region states that: Surface waters shall not contain concentrations of chemical constituents in amounts that adversely affect any designated beneficial use.
National Recommended Water Quality Criteria Continuous Concentration (4-day average concentrations) for saltwater aquatic organisms exposure to total mercury is 0.94 ug/L.
Line of Evidence (LOE) for Decision ID 135759, Lead
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
248849
Pollutant:
Lead
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Lead .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135759, Lead
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
248959
Pollutant:
Lead
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Lead .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135759, Lead
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249206
Pollutant:
Lead
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Lead .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 149849, Mercury
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249664
Pollutant:
Mercury
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Mercury .
Waste discharged to the ocean must be essentially free of... Substances which will accumulate to toxic levels in marine waters, sediments or biota. (Chapter III Section A. 2 (b)(3) of the Ocean Plan)
Line of Evidence (LOE) for Decision ID 149849, Mercury
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
263720
Pollutant:
Mercury
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
5
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 5 samples exceeded the water quality threshold for Mercury.
The samples were collected at 1 monitoring site: SP-RW-18 (SP-RW-18-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2017-09-05 and 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 149849, Mercury
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
263350
Pollutant:
Mercury
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Dissolved
Beneficial Use:
Marine Habitat
Number of Samples:
6
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed City of LB Integrated Monitoring for MS4 Permit data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 6 samples exceeded the water quality threshold for Mercury.
The Water Quality Control Plan for the Los Angeles Region states that: Surface waters shall not contain concentrations of chemical constituents in amounts that adversely affect any designated beneficial use.
National Recommended Water Quality Criteria Continuous Concentration (4-day average concentrations) for saltwater aquatic organisms exposure to total mercury is 0.94 ug/L.
Line of Evidence (LOE) for Decision ID 135759, Lead
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249114
Pollutant:
Lead
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Lead .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 149849, Mercury
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
252679
Pollutant:
Mercury
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
2
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed LA County MS4 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 2 samples exceeded the water quality threshold for Mercury.
Line of Evidence (LOE) for Decision ID 149849, Mercury
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
263589
Pollutant:
Mercury
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
td>
Lead
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Lead .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135759, Lead
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
102
Pollutant:
Sediment Toxicity
LOE Subgroup:
Toxicity
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
50
Number of Exceedances:
13
Data and Information Type:
Toxicity testing of sediments
Data Used to Assess Water Quality:
Overall, thirteen of 50 samples were toxic. This total was created from several different sediment studies within San Pedro Bay. Eleven of 33 samples were toxic (BPTCP). Two of 14 samples were toxic (Bight, 1998). None of three samples were toxic (W-EMAP) (LARWQCB & CCC, 2004).
Los Angeles RWQCB Basin Plan: All waters should be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological response in, human, plant, animal, or aquatic life.
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 6 samples exceeded the water quality threshold for Mercury.
The Water Quality Control Plan for the Los Angeles Region states that: Surface waters shall not contain concentrations of chemical constituents in amounts that adversely affect any designated beneficial use.
National Recommended Water Quality Criteria Continuous Concentration (4-day average concentrations) for saltwater aquatic organisms exposure to total mercury is 0.94 ug/L.
The samples were collected at 1 monitoring site: SP-RW-20 (SP-RW-20-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2017-09-05 and 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 149849, Mercury
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
263417
Pollutant:
Mercury
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Dissolved
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
5
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 5 samples exceeded the water quality threshold for Mercury.
Samples were considered toxic if (1) there was a significant difference in mean organism response between the sample and the control, and (2) the mean organism response in the test, as a percent of the control, was less than the threshold based on the 90th percentile minimum significant difference value.
The Basin Plan states that, "[a]ll waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in human, plant, animal, or aquatic life."
Bay et. al. classifies sediment toxicity based on the following survival percentages: Non toxic if greater than or equal to 80% survival; moderately toxic if between 50 to 80% survival; and highly toxic if less than 50% survival.
A total of three stations were monitored in the San Pedro Bay near/off shore zones which include the following stations:
4066 (Lat: 33.74137, Long: -118.11663),
4274 (Lat: 33.7282833333, Long: -118.157083333), and
4408 (Lat: 33.75495, Long: -118.163533333).
Temporal Representation:
Composite surface sediment samples were taken on 07/21/2003 for station 4066, on 07/16/2003 and 08/07/2003 for stations 4098 and 4274.
Environmental Conditions:
QAPP Information:
Data was collected in compliance with the sampling and monitoring procedures detailed in Southern California Bight 2003 Regional Marine Monitoring Survey Quality Assurance Manual.
Line of Evidence (LOE) for Decision ID 135759, Lead
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
244540
Pollutant:
Toxicity
LOE Subgroup:
Toxicity
Matrix:
Sediment
Fraction:
None
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
TOXICITY TESTING
Data Used to Assess Water Quality:
0 of the 1 samples collected by Harbor Toxics TMDL Compliance Water Quality for San Pedro Bay Near/Off Shore Zones exhibited toxicity. A sample may have multiple toxicity test results, but will only be counted once. A sample is defined as being collected on the same day and the same location. The following organisms and parameters were utilized for the toxicity tests: Eohaustorius estuarius for Survival, Mytilus galloprovincialis for Normal Development.
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
The sample is toxic when the response of the organisms exposed to the sample is significantly different (worse) than the response of the organisms exposed to the laboratory control based on statistical hypothesis testing. An exceedance is counted when the significant effect code is “Significant; Less Similarity,” which means that the sample result is significantly different than the control result, and the percent effect is greater than the evaluation threshold. The default evaluation threshold is 20% unless otherwise stated.
The samples were collected at monitoring site: SP-SS-20 ( SP-SS-20-East San Pedro Bay ).
Temporal Representation:
The samples were collected between the dates of 2018-08-09 and 2018-08-09.
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135759, Lead
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
244528
Pollutant:
Toxicity
LOE Subgroup:
Toxicity
Matrix:
Sediment
Fraction:
None
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
TOXICITY TESTING
Data Used to Assess Water Quality:
0 of the 1 samples collected by Harbor Toxics TMDL Compliance Water Quality for San Pedro Bay Near/Off Shore Zones exhibited toxicity. A sample may have multiple toxicity test results, but will only be counted once. A sample is defined as being collected on the same day and the same location. The following organisms and parameters were utilized for the toxicity tests: Mytilus galloprovincialis for Normal Development, Eohaustorius estuarius for Survival.
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
The sample is toxic when the response of the organisms exposed to the sample is significantly different (worse) than the response of the organisms exposed to the laboratory control based on statistical hypothesis testing. An exceedance is counted when the significant effect code is “Significant; Less Similarity,” which means that the sample result is significantly different than the control result, and the percent effect is greater than the evaluation threshold. The default evaluation threshold is 20% unless otherwise stated.
The samples were collected at monitoring site: SP-SS-18 ( SP-SS-18-East San Pedro Bay ).
Temporal Representation:
The samples were collected between the dates of 2018-08-09 and 2018-08-09.
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135759, Lead
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
244538
Pollutant:
Toxicity
LOE Subgroup:
Toxicity
Matrix:
Sediment
Fraction:
None
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
TOXICITY TESTING
Data Used to Assess Water Quality:
0 of the 1 samples collected by Harbor Toxics TMDL Compliance Water Quality for San Pedro Bay Near/Off Shore Zones exhibited toxicity. A sample may have multiple toxicity test results, but will only be counted once. A sample is defined as being collected on the same day and the same location. The following organisms and parameters were utilized for the toxicity tests: Mytilus galloprovincialis for Normal Development, Eohaustorius estuarius for Survival.
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
The sample is toxic when the response of the organisms exposed talign="left" valign="top" width="67%">
Guideline Reference:
Spatial Representation:
The samples were collected at 1 monitoring site: SP-RW-20 (SP-RW-20-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2017-09-05 and 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 149849, Mercury
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
263340
Pollutant:
Mercury
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Dissolved
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
5
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 5 samples exceeded the water quality threshold for Mercury.
The samples were collected at 1 monitoring site: SP-RW-18 (SP-RW-18-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2017-09-05 and 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 149849, Mercury
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
263434
Pollutant:
Mercury
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Dissolved
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
5
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 5 samples exceeded the water quality threshold for Mercury.
The samples were collected at 1 monitoring site: SP-RW-19 (SP-RW-19-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2017-09-05 and 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 149849, Mercury
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
263292
Pollutant:
Mercury
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Dissolved
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
5
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed City of LB Integrated Monitoring for MS4 Permit data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 5 samples exceeded the water quality threshold for Mercury.
The samples were collected at monitoring site: SP-SS-19 ( SP-SS-19-East San Pedro Bay ).
Temporal Representation:
The samples were collected between the dates of 2018-08-09 and 2018-08-09.
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135759, Lead
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
248761
Pollutant:
Lead
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Lead .
Waste discharged to the ocean must be essentially free of... Substances which will accumulate to toxic levels in marine waters, sediments or biota. (Chapter III Section A. 2 (b)(3) of the Ocean Plan)
Line of Evidence (LOE) for Decision ID 135759, Lead
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
252692
Pollutant:
Lead
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Dissolved
Beneficial Use:
Marine Habitat
Number of Samples:
8
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed LA County MS4 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 8 samples exceeded the water quality threshold for Lead.
The dissolved lead criterion continuous concentration (expressed as a 4-day average) to protect aquatic life in saline water is 8.1 ug/L (California Toxics Rule, 2000).
Line of Evidence (LOE) for Decision ID 135759, Lead
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
252648
Pollutant:
Lead
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Dissolved
Beneficial Use:
Marine Habitat
Number of Samples:
3
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed LA County MS4 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 3 samples exceeded the water quality threshold for Lead.
Line of Evidence (LOE) for Decision ID 149849, Mercury
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
252661
Pollutant:
Mercury
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
2
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed LA County MS4 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 2 samples exceeded the water quality threshold for Mercury.
Line of Evidence (LOE) for Decision ID 149849, Mercury
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
252557
Pollutant:
Mercury
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
2
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed LA County MS4 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 2 samples exceeded the water quality threshold for Mercury.
The Water Quality Control Plan for the Los Angeles Region states that: Surface waters shall not contain concentrations of chemical constituents in amounts that adversely affect any designated beneficial use.
National Recommended Water Quality Criteria Continuous Concentration (4-day average concentrations) for saltwater aquatic organisms exposure to total mercury is 0.94 ug/L.
Line of Evidence (LOE) for Decision ID 149849, Mercury
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
252411
Pollutant:
Mercury
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
5
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed LA County MS4 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 5 samples exceeded the water quality threshold for Mercury.
The Water Quality Control Plan for the Los Angeles Region states that: Surface waters shall not contain concentrations of chemical constituents in amounts that adversely affect any designated beneficial use.
National Recommended Water Quality Criteria Continuous Concentration (4-day average concentrations) for saltwater aquatic organisms exposure to total mercury is 0.94 ug/L.
Line of Evidence (LOE) for Decision ID 135759, Lead
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249306
Pollutant:
Lead
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Lead .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135759, Lead
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249160
Pollutant:
Lead
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Lead .
Waste discharged to the ocean must be essentially free of... Substances which will accumulate to toxic levels in marine waters, sediments or biota. (Chapter III Section A. 2 (b)(3) of the Ocean Plan)
Line of Evidence (LOE) for Decision ID 135759, Lead
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249155
Pollutant:
Lead
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Lead .
Line of Evidence (LOE) for Decision ID 149849, Mercury
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249665
Pollutant:
Mercury
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Mercury .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-20 (SP-SS-20-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 149849, Mercury
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249505
Pollutant:
Mercury
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Mercury .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 149849, Mercury
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249641
Pollutant:
Mercury
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Mercury .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-20 (SP-SS-20-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135759, Lead
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
252466
Pollutant:
Lead
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Dissolved
Beneficial Use:
Marine Habitat
Number of Samples:
3
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed LA County MS4 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 3 samples exceeded the water quality threshold for Lead.
The dissolved lead criterion continuous concentration (expressed as a 4-day average) to protect aquatic life in saline water is 8.1 ug/L (California Toxics Rule, 2000).
Line of Evidence (LOE) for Decision ID 135759, Lead
DECISION ID
151984
Region 4
San Pedro Bay Near Off Shore Zones
Pollutant:
Omega Aragonite
Final Listing Decision:
Do Not List on 303(d) list (TMDL required list)
Last Listing Cycle's Final Listing Decision:
New Decision
Revision Status
Revised
Impairment from Pollutant or Pollution:
Pollutant
Regional Board Conclusion:
Omega Aragonite is being assessed using Listing Policy section 3.11, a situation-specific weight of evidence approach. As additional research is needed to increase confidence that the data assessed reflect waterbody conditions, the LOEs for this pollutant are not used to place waterbodies on the CWA section 303(d) list. Instead, an exceedance of the mean Omega Aragonite threshold of <1.4 will indicate the beneficial use may be potentially threatened and the waterbody will be placed in Category 3 if the number of measured exceedances supports rejection of the null hypothesis as presented in Table 3.2 of the Listing Policy for conventional or other pollutants.
One line of evidence is available in the administrative record to assess this pollutant. Zero of the 8 samples exceed the Omega Aragonite threshold of <1.4.
The number of exceedances does not indicate impairment under Listing Policy section 3.2; however, insufficient information is available to determine if the beneficial use is fully supported for this waterbody-pollutant combination. Beneficial use support will be reassessed in a future cycle, if more data are available.
In order to make recommendations to list an ocean segment as impaired or to determine that the beneficial use is fully supported for ocean acidification using Omega Aragonite as an evaluation guideline, further research on the following points is needed to increase confidence that data assessed reflects waterbody conditions. 1. Impact of depth on aragonite saturation state, especially within the 0-200m range. 2. Timing in relation to data collection: Determining the number of days at a certain threshold for pteropod life stages. 3. Understanding natural aragonite saturation state levels in an upwelling state. 4. Seasonal variation and shift in dissolution rates.
Regional Board Decision Recommendation:
After review of the available data and information, RWQCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list. The readily available data and information is insufficient to determine the applicable beneficial use support rating.
State Board Review of Regional Board Conclusion and Recommendation:
In order to make recommendations to list an ocean segment as impaired or to determine that the beneficial use is fully supported for ocean acidification using Omega Aragonite as an evaluation guideline, further research on the following points is needed to increase confidence that data assessed reflects waterbody conditions. 1. Impact of depth on aragonite saturation state, especially within the 0-200m range. 2. Timing in relation to data collection: Determining the number of days at a certain threshold for pteropod life stages. 3. Understanding natural aragonite saturation state levels in an upwelling state. 4. Seasonal variation and shift in dissolution rates.
State Board Decision Recommendation:
After review of the available data and information, SWRCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list because it cannot be determined if applicable water quality standards are not being exceeded.
Listing Extent:
Line of Evidence (LOE) for Decision ID 151984, Omega Aragonite
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
308594
Pollutant:
Omega Aragonite
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Not Recorded
Beneficial Use:
Marine Habitat
Number of Samples:
8
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Off Shore Zones (Los Angeles County) to determine beneficial use support and the results are as follows: 0 of the 8 samples exceeded (<1.4) the impairment threshold for Omega Aragonite.
The California SWRCB Marine Habitat Beneficial Use is defined as "Uses of water that support marine ecosystems including, but not limited to, preservation or enhancement of marine habitats, vegetation such as kelp, fish, shellfish, or wildlife (e.g., marine mammals, shorebirds)." A beneficial use was chosen as the assessment criteria for ocean acdification as impacts due to Omega Aragonite can be from global and local sources.
The omega aragonite criterion for the protection of the marine habitat beneficial use is used to determine potential impairment of waterbodies due to ocean acidification; a threshold below 1.4 would indicate potential impairment of a waterbody. The omega aragonite saturation state is calculated by the product of the concentrations of dissolved calcium and carbonate ions divided by their product at equilibrium. Lower levels of omega aragonite are correlated with increased dissolution of pteropods (shell species) and a loss of marine life. In Bednaršek 2019, thresholds between 0.9 and 1.5 were found to indicate severe to mild shell dissolution of pteropods, with potential impairment indicated at approximately 1.2 ± 0.1 (for an overall threshold of 1.3) or below. A study conducted by Oregon State University concluded that the “maximum uncertainty of ±0.2 in the calculation of mean omega aragonite saturation state is required to adequately link changes in ocean chemistry to changes in ecosystem function” (McLaughlin 2015). Thus, the mean aragonite saturation state of 1.4 (1.2 ± 0.2), has been used for the assessment of omega aragonite data.
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 6 samples exceeded the water quality threshold for Lead.
The dissolved lead criterion continuous concentration (expressed as a 4-day average) to protect aquatic life in saline water is 8.1 ug/L (California Toxics Rule, 2000).
The samples were collected at 1 monitoring site: SP-RW-18 (SP-RW-18-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2017-09-05 and 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135759, Lead
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
262798
Pollutant:
Lead
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Dissolved
Beneficial Use:
Marine Habitat
Number of Samples:
6
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 6 samples exceeded the water quality threshold for Lead.
The dissolved lead criterion continuous concentration (expressed as a 4-day average) to protect aquatic life in saline water is 8.1 ug/L (California Toxics Rule, 2000).
The samples were collected at 1 monitoring site: SP-RW-19 (SP-RW-19-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2017-09-05 and 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Do Not List on 303(d) list (TMDL required list)(2018)
Revision Status
Revised
Impairment from Pollutant or Pollution:
Pollutant
Regional Board Conclusion:
This pollutant is being considered for placement on the CWA section 303(d) List under section 3.2 of the Listing Policy. Under section 3.2 a single line of evidence are necessary to assess listing status.
10 lines of evidence are available in the administrative record to assess this pollutant.
Based on the readily available data and information, the weight of evidence indicates that there is sufficient justification against placing this water segment-pollutant combination on the CWA section 303(d) List. This conclusion is based on the staff findings that: 1. The data used satisfies the data quality requirements of section 6.1.4 of the Policy. 2. The data used satisfies the data quantity requirements of section 6.1.5 of the Policy. 3. 7 of 80 samples exceeded the OBJECTIVE and this does not exceed the allowable frequency listed in Table 3.2 of the Listing Policy. 4. Pursuant to section 3.11 of the Listing Policy, no additional data and information are available indicating that standards are not met.
Regional Board Decision Recommendation:
After review of the available data and information, RWQCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list because applicable water quality standards are not being exceeded.
State Board Review of Regional Board Conclusion and Recommendation:
State Board Decision Recommendation:
After review of this Regional Board decision, SWRCB staff recommend the decision be approved by the State Board.
Listing Extent:
Line of Evidence (LOE) for Decision ID 135760, Oxygen, Dissolved
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
88057
Pollutant:
Oxygen, Dissolved
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Dissolved
Beneficial Use:
Marine Habitat
Number of Samples:
6
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Numeric data generated from 6 minimums of Dissolved Oxygen concentrations had no exceedences.
For that area known as the Outer Harbor area of Los Angeles-Long Beach Harbors, the mean annual dissolved oxygen concentrations shall be 6.0 mg/L or greater, provided that no single determination shall be less than 5.0 mg/L.
Samples were collected from the following stations: Downtown Shoreline Marina 7.1 Downtown Shoreline Marina 7.2 Downtown Shoreline Marina 7.3 Downtown Shoreline Marina 8.1 Downtown Shoreline Marina 8.2 Downtown Shoreline Marina 8.3
Temporal Representation:
Samples were collected twice in August 2006 and once in September 2006.
Environmental Conditions:
QAPP Information:
NPDES quality assurance.
QAPP Information Reference(s):
Line of Evidence (LOE) for Decision ID 135760, Oxygen, Dissolved
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
307867
Pollutant:
Oxygen, Dissolved
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
5
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 5 samples exceeded the water quality threshold for Oxygen, Dissolved.
The Water Quality Control Plan for the Los Angeles Region (page 3-39) states that: At a minimum (see specifics below), the mean annual dissolved oxygen concentration of all waters shall be greater than 7 mg/L.
The samples were collected at 1 monitoring site: SP-RW-19 (SP-RW-19-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2014-09-26 and 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135760, Oxygen, Dissolved
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
307925
Pollutant:
Oxygen, Dissolved
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
4
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed City of LB Integrated Monitoring for MS4 Permit data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 4 samples exceeded the water quality threshold for Oxygen, Dissolved.
The Water Quality Control Plan for the Los Angeles Region (page 3-39) states that: At a minimum (see specifics below), the mean annual dissolved oxygen concentration of all waters shall be greater than 7 mg/L.
Line of Evidence (LOE) for Decision ID 135760, Oxygen, Dissolved
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
307998
Pollutant:
Oxygen, Dissolved
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
11
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 11 samples exceeded the water quality threshold for Oxygen, Dissolved.
The samples were collected at 1 monitoring site: SP-RW-20 (SP-RW-20-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2014-09-26 and 2018-11-30
Environmental Conditions:
DECISION ID
149849
Region 4
San Pedro Bay Near Off Shore Zones
Pollutant:
Mercury
Final Listing Decision:
Do Not List on 303(d) list (TMDL required list)
Last Listing Cycle's Final Listing Decision:
Do Not List on 303(d) list (TMDL required list)(2018)
Revision Status
Revised
Impairment from Pollutant or Pollution:
Pollutant
Regional Board Conclusion:
This pollutant is being considered for placement on the CWA section 303(d) List under section 3.1 of the Listing Policy.
Zero samples exceeded the objectives, guidelines, or criteria for beneficial uses applicable to this water segment-pollutant combination, which is less than the minimum number of exceedances needed to place the water segment on the section CWA section 303(d) List for toxicants (Table 3.1 of the Listing Policy).
The data used satisfies the data quality requirements (section 6.1.4) and data quantity requirements (section 6.1.5) of the Listing Policy.
Pursuant to section 3.11 of the Listing Policy, no additional data and information are available indicating that standards are not met. Based on the readily available data and information, the weight of evidence indicates that there is sufficient justification against placing this water segment-pollutant combination on the CWA section 303(d) List.
Regional Board Decision Recommendation:
Decision written by SWRCB staff.
State Board Review of Regional Board Conclusion and Recommendation:
State Board Decision Recommendation:
After review of the available data and information, SWRCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list because applicable water quality standards for the pollutant are not exceeded.
Listing Extent:
Line of Evidence (LOE) for Decision ID 149849, Mercury
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
88055
Pollutant:
Mercury
LOE Subgroup:
Pollutant-Tissue
Matrix:
Tissue
Fraction:
Shellfish
Beneficial Use:
Shellfish Harvesting
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
Shellfish surveys
Data Used to Assess Water Quality:
The sample did not exceed the guideline. Data were reported on a dry weight basis and were converted to a wet weight basis by multiplying the dry-weight concentration by a factor of 1 minus the percentage of moisture content expressed as a decimal.
Toxic pollutants shall not be present at levels that will bioaccumulate in aquatic life to levels which are harmful to aquatic life or human health. No individual pesticide or combination of pesticides shall be present in concentrations that adversely affect beneficial uses. There shall be no bioaccumulation of pesticide concentrations found in bottom sediments or aquatic life.
The USEPA 304(a) recommended water quality criterion for concentrations of methylmercury in shellfish tissue (wet weight) is 0.2 ppm. (Brodberg, R.K., and G.A. Pollock, 1999; USEPA, 2001)
Samples are collected by hand from three sub-locations for each site. The composite sample was collected from Long Beach Breakwater, site LBBW.
Temporal Representation:
Representative samples of locally abundant species were collected during the winter on 3/4/2008
Environmental Conditions:
QAPP Information:
Samples were collected as part of the State Water Board's Mussel Watch Program which is a part of the National Oceanic Administration's (NOAAs) National Status and Trends (NS&T). Mussels are shipped to NOAAs contract labs for analysis of trace constituents and mussel condition. Analytical protocols follow those approved by NOAAs NS&T Program Additional background information can be found at:
http://ccma.nos.noaa.gov/stressors/pollution/nsandt/
QAPP Information Reference(s):
Line of Evidence (LOE) for Decision ID 149849, Mercury
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
252574
Pollutant:
Mercury
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
2
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed LA County MS4 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 2 samples exceeded the water quality threshold for Mercury.
The Water Quality Control Plan for the Los Angeles Region states that: Surface waters shall not contain concentrations of chemical constituents in amounts that adversely affect any designated beneficial use.
National Recommended Water Quality Criteria Continuous Concentration (4-day average concentrations) for saltwater aquatic organisms exposure to total mercury is 0.94 ug/L.
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135760, Oxygen, Dissolved
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
307994
Pollutant:
Oxygen, Dissolved
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
12
Number of Exceedances:
2
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 2 of 12 samples exceeded the water quality threshold for Oxygen, Dissolved.
The samples were collected at 1 monitoring site: SP-RW-18 (SP-RW-18-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2014-09-26 and 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135760, Oxygen, Dissolved
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
308165
Pollutant:
Oxygen, Dissolved
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
5
Number of Exceedances:
0
Data and Information Type:
Line of Evidence (LOE) for Decision ID 149849, Mercury
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
263357
Pollutant:
Mercury
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Dissolved
Beneficial Use:
Marine Habitat
Number of Samples:
6
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 6 samples exceeded the water quality threshold for Mercury.
The Water Quality Control Plan for the Los Angeles Region states that: Surface waters shall not contain concentrations of chemical constituents in amounts that adversely affect any designated beneficial use.
National Recommended Water Quality Criteria Continuous Concentration (4-day average concentrations) for saltwater aquatic organisms exposure to total mercury is 0.94 ug/L.
The samples were collected at 1 monitoring site: SP-RW-19 (SP-RW-19-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2017-09-05 and 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 149849, Mercury
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
252681
Pollutant:
Mercury
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
4
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed LA County MS4 data for San Pedro Bay eft" valign="top" width="67%">PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 5 samples exceeded the water quality threshold for Oxygen, Dissolved.
The Water Quality Control Plan for the Los Angeles Region (page 3-39) states that: At a minimum (see specifics below), the mean annual dissolved oxygen concentration of all waters shall be greater than 7 mg/L.
The samples were collected at 1 monitoring site: SP-RW-20 (SP-RW-20-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2014-09-26 and 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135760, Oxygen, Dissolved
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
308042
Pollutant:
Oxygen, Dissolved
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
11
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 11 samples exceeded the water quality threshold for Oxygen, Dissolved.
The samples were collected at 1 monitoring site: SP-RW-19 (SP-RW-19-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2014-09-26 and 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 149849, Mercury
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249603
Pollutant:
Mercury
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Mercury .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135760, Oxygen, Dissolved
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
307995
Pollutant:
Oxygen, Dissolved
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
5
Number of Exceedances:
5
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 5 of 5 samples exceeded the water quality threshold for Oxygen, Dissolved.
The Water Quality Control Plan for the Los Angeles Region (page 3-39) states that: At a minimum (see specifics below), the mean annual dissolved oxygen concentration of all waters shall be greater than 7 mg/L.
The samples were collected at 1 monitoring site: SP-RW-18 (SP-RW-18-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2014-11-02 and 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135760, Oxygen, Dissolved
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
88058
Pollutant:
Oxygen, Dissolved
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Dissolved
Beneficial Use:
Marine Habitat
Number of Samples:
12
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Numeric data generated from 12 minimums of Dissolved Oxygen concentrations had no exceedences.
Line of Evidence (LOE) for Decision ID 149849, Mercury
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249496
Pollutant:
Mercury
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Mercury .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 149849, Mercury
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
263722
Pollutant:
Mercury
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
6
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial usgn="left" valign="top" width="33%">Data Reference:
For that area known as the Outer Harbor area of Los Angeles-Long Beach Harbors, the mean annual dissolved oxygen concentrations shall be 6.0 mg/L or greater, provided that no single determination shall be less than 5.0 mg/L.
Samples were collected from the following stations: Marina del Rey Front Basin 5.1 Marina del Rey Front Basin 5.2 Marina del Rey Front Basin 5.3 Marina del Rey Front Basin 6.1 Marina del Rey Front Basin 6.2 Marina del Rey Front Basin 6.3 Marina del Rey Front Basin 7.1 Marina del Rey Front Basin 7.2 Marina del Rey Front Basin 7.3 Marina del Rey Front Basin 8.1 Marina del Rey Front Basin 8.2 Marina del Rey Front Basin 8.3
Temporal Representation:
Samples were collected twice in August 2006 and once in September 2006.
Environmental Conditions:
QAPP Information:
NPDES quality assurance.
QAPP Information Reference(s):
Line of Evidence (LOE) for Decision ID 135760, Oxygen, Dissolved
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
308118
Pollutant:
Oxygen, Dissolved
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
9
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed City of LB Integrated Monitoring for MS4 Permit data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 9 samples exceeded the water quality threshold for Oxygen, Dissolved.
The Water Quality Control Plan for the Los Angeles Region states that: Surface waters shall not contain concentrations of chemical constituents in amounts that adversely affect any designated beneficial use.
National Recommended Water Quality Criteria Continuous Concentration (4-day average concentrations) for saltwater aquatic organisms exposure to total mercury is 0.94 ug/L.
The samples were collected at 1 monitoring site: SP-RW-19 (SP-RW-19-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2017-09-05 and 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 149849, Mercury
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249679
Pollutant:
Mercury
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Mercury .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 149849, Mercury
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249751
Pollutant:
Mercury
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Mercury .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 149849, Mercury
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
263224
Pollutant:
Mercury
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Dissolved
Beneficial Use:
Marine Habitat
Number of Samples:
DECISION ID
135762
Region 4
San Pedro Bay Near Off Shore Zones
Pollutant:
Phenanthrene
Final Listing Decision:
Do Not List on 303(d) list (TMDL required list)
Last Listing Cycle's Final Listing Decision:
New Decision
Revision Status
Revised
Impairment from Pollutant or Pollution:
Pollutant
Regional Board Conclusion:
This pollutant is being considered for placement on the CWA section 303(d) List under section 3.6 of the Listing Policy. Under section 3.6 at least two lines of evidence are necessary to assess listing status for pollutants in sediment, and pollutant concentrations in sediment must be associated with sediment toxicity to justify adding that pollutant to the CWA section 303(d) List.
Based on the readily available data and information, the weight of evidence indicates that there is sufficient justification against placing this water segment-pollutant combination on the CWA section 303(d) List.
This conclusion is based on the staff findings that: 1. The data used satisfies the data quality requirements of section 6.1.4 of the Policy. 2. The data used satisfies the data quantity requirements of section 6.1.5 of the Policy. 3. 0 of 17 samples exceed the guideline and this sample size is and this does not exceed the allowable frequency listed in Table 3.1 of the Listing Policy. 4. Pursuant to section 3.11 of the Listing Policy, no additional data and information are available indicating that standards are not met.
Regional Board Decision Recommendation:
After review of the available data and information, RWQCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list because applicable water quality standards are not being exceeded.
State Board Review of Regional Board Conclusion and Recommendation:
State Board Decision Recommendation:
After review of this Regional Board decision, SWRCB staff recommend the decision be approved by the State Board.
Listing Extent:
Line of Evidence (LOE) for Decision ID 135762, Phenanthrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250639
Pollutant:
Phenanthrene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Phenanthrene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135762, Phenanthrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250837
Pollutant:
Phenanthrene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Phenanthrene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135762, Phenanthrene
6
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 6 samples exceeded the water quality threshold for Mercury.
The Water Quality Control Plan for the Los Angeles Region states that: Surface waters shall not contain concentrations of chemical constituents in amounts that adversely affect any designated beneficial use.
National Recommended Water Quality Criteria Continuous Concentration (4-day average concentrations) for saltwater aquatic organisms exposure to total mercury is 0.94 ug/L.
The samples were collected at 1 monitoring site: SP-RW-18 (SP-RW-18-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2017-09-05 and 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 149849, Mercury
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
252454
Pollutant:
Mercury
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Dissolved
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
3
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed LA County MS4 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 3 samples exceeded the water quality threshold for Mercury.
The sampl; text-align: right; PADDING-TOP: 3px; font-smooth: always">Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250640
Pollutant:
Phenanthrene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Phenanthrene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135762, Phenanthrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250523
Pollutant:
Phenanthrene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Phenanthrene .
Line of Evidence (LOE) for Decision ID 149849, Mercury
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249541
Pollutant:
Mercury
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Mercury .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 149849, Mercury
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249656
Pollutant:
Mercury
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
BeneficiSWAMP Data:
Non-SWAMP
Water Quality Objective/Criterion:
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135762, Phenanthrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250624
Pollutant:
Phenanthrene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Phenanthrene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-19 (SP-SS-19-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Mercury .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 149849, Mercury
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249780
Pollutant:
Mercury
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Mercury .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135762, Phenanthrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250841
Pollutant:
Phenanthrene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Phenanthrene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 149849, Mercury
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249452
Pollutant:
Mercury
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Mercury .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-19 (SP-SS-19-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 149849, Mercury
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249735
Pollutant:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Phenanthrene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135762, Phenanthrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250636
Pollutant:
Phenanthrene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Phenanthrene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): B18-10006 (B18-10006).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-07-25 to 2018-07-25
Envn="top" width="67%">Mercury
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Mercury .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-18 (SP-SS-18-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 149849, Mercury
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
263356
Pollutant:
Mercury
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Dissolved
Beneficial Use:
Marine Habitat
Number of Samples:
6
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 6 samples exceeded the water quality threshold for Mercury.
The Water Quality Control Plan for the Los Angeles Region states that: Surface waters shall not contain concentrations of chemical constituents in amounts that adversely affect any designated beneficial use.
Objective/Criterion Reference:
QAPP Information:
SWRCB. 2018. This is a placeholder reference for data that was collected after QAPP requirements were developed, but exempt from the requirements.
Line of Evidence (LOE) for Decision ID 135762, Phenanthrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250726
Pollutant:
Phenanthrene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Phenanthrene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135762, Phenanthrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250506
Pollutant:
Phenanthrene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
er_issues/programs/tmdl/records/region_4/2003/ref1485.zip" >Water Quality Control Plan Los Angeles Region R4 Basin Plan
Evaluation Guideline:
National Recommended Water Quality Criteria Continuous Concentration (4-day average concentrations) for saltwater aquatic organisms exposure to total mercury is 0.94 ug/L.
The samples were collected at 1 monitoring site: SP-RW-20 (SP-RW-20-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2017-09-05 and 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 149849, Mercury
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249562
Pollutant:
Mercury
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Mercury .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 149849, Mercury
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Phenanthrene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135762, Phenanthrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250501
Pollutant:
Phenanthrene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Phenanthrene .
Waste discharged to the ocean must be essentially free of... Substances which will accumulate to toxic levels in marine waters, sediments or biota. (Chapter III Section A. 2 (b)(3) of the Ocean Plan)
The evaluation guideline for phenanthrene is the probable effect level (PEL) of 544 ng/g dry weight (MacDonald et al., 1996).
Guideline Reference:
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249737
Pollutant:
Mercury
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Mercury .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 149849, Mercury
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
263682
Pollutant:
Mercury
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
6
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 6 samples exceeded the water quality threshold for Mercury.
Line of Evidence (LOE) for Decision ID 135762, Phenanthrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250497
Pollutant:
Phenanthrene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Phenanthrene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135762, Phenanthrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
SWAMP Data:
Non-SWAMP
Water Quality Objective/Criterion:
The Water Quality Control Plan for the Los Angeles Region states that: Surface waters shall not contain concentrations of chemical constituents in amounts that adversely affect any designated beneficial use.
National Recommended Water Quality Criteria Continuous Concentration (4-day average concentrations) for saltwater aquatic organisms exposure to total mercury is 0.94 ug/L.
The samples were collected at 1 monitoring site: SP-RW-18 (SP-RW-18-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2017-09-05 and 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 149849, Mercury
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
263719
Pollutant:
Mercury
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
5
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 5 samples exceeded the water quality threshold for Mercury.
The samples were collected at 1 monitoring site: SP-RW-19 (SP-RW-19-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2017-09-05 and 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 149849, Mercury
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249792
Pollutant:
Mercury
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Mercury .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 149849, Mercury
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249707
Pollutant:
Mercury
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are astop" width="67%">250496
Pollutant:
Phenanthrene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Phenanthrene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135762, Phenanthrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250683
Pollutant:
Phenanthrene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Phenanthrene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Objective/Criterion Reference:
< follows: 0 of the 1 samples exceeded the evaluation guideline for Mercury .
Waste discharged to the ocean must be essentially free of... Substances which will accumulate to toxic levels in marine waters, sediments or biota. (Chapter III Section A. 2 (b)(3) of the Ocean Plan)
Line of Evidence (LOE) for Decision ID 149849, Mercury
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
263647
Pollutant:
Mercury
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
8
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed City of LB Integrated Monitoring for MS4 Permit data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 8 samples exceeded the water quality threshold for Mercury.
The Water Quality Control Plan for the Los Angeles Region states that: Surface waters shall not contain concentrations of chemical constituents in amounts that adversely affect any designated beneficial use.
National Recommended Water Quality Criteria Continuous Concentration (4-day average concentrations) for saltwater aquatic organisms exposure to total mercury is 0.94 ug/L.
Line of Evidence (LOE) for Decision ID 149849, Mercury
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
263243
Pollutant:
Mercury
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
5
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 5 samples exceeded the water quality threshold for Mercury.
The samples were collected at 1 monitoring site: SP-RW-20 (SP-RW-20-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2017-09-05 and 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135762, Phenanthrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250679
Pollutant:
Phenanthrene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Phenanthrene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-18 (SP-SS-18-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135762, Phenanthrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250675
Pollutant:
Phenanthrene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Phenanthrene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-20 (SP-SS-20-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135762, Phenanthrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250771
Pollutant:
Phenanthrene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Phenanthrene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Water Board staff assessed City of LB Integrated Monitoring for MS4 Permit data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 7 samples exceeded the water quality threshold for Mercury.
Line of Evidence (LOE) for Decision ID 149849, Mercury
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
252439
Pollutant:
Mercury
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Dissolved
Beneficial Use:
Marine Habitat
Number of Samples:
3
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed LA County MS4 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 3 samples exceeded the water quality threshold for Mercury.
The Water Quality Control Plan for the Los Angeles Region states that: Surface waters shall not contain concentrations of chemical constituents in amounts that adversely affect any designated beneficial use.
National Recommended Water Quality Criteria Continuous Concentration (4-day average concentrations) for saltwater aquatic organisms exposure to total mercury is 0.94 ug/L.
Line of Evidence (LOE) for Decision ID 149849, Mercury
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249664
Pollutant:
Mercury
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Mercury .
Waste discharged to the ocean must be essentially free of... Substances which will accumulate to toxic levels in marine waters, sediments or biota. (Chapter III Section A. 2 (b)(3) of the Ocean Plan)
Line of Evidence (LOE) for Decision ID 149849, Mercury
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
263720
Pollutant:
Mercury
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
5
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 5 samples exceeded the water quality threshold for Mercury.
The samples were collected at 1 monitoring site: SP-RW-18 (SP-RW-18-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2017-09-05 and 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 149849, Mercury
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
263350
Pollutant:
Mercury
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Dissolved
Beneficial Use:
Marine Habitat
Number of Samples:
6
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed City of LB Integrated Monitoring for MS4 Permit data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 6 samples exceeded the water quality threshold for Mercury.
The Water Quality Control Plan for the Los Angeles Region states that: Surface waters shall not contain concentrations of chemical constituents in amounts that adversely affect any designated beneficial use.
National Recommended Water Quality Criteria Continuous Concentration (4-day average concentrations) for saltwater aquatic organisms exposure to total mercury is 0.94 ug/L.
This pollutant is being considered for placement on the CWA section 303(d) List under section 3.6 of the Listing Policy. Under section 3.6 at least two lines of evidence are necessary to assess listing status for pollutants sediment, and pollutant concentrations in sediment must be associated with sediment toxicity to justify adding that pollutant to the CWA section 303(d) List.
Based on the readily available data and information, the weight of evidence indicates that there is sufficient justification against placing this water segment-pollutant combination on the CWA section 303(d) List.
This conclusion is based on the staff findings that: 1. The data used satisfies the data quality requirements of section 6.1.4 of the Policy. 2. The data used satisfies the data quantity requirements of section 6.1.5 of the Policy. 3. 0 of the 17 samples exceed the guideline and this does not exceed the allowable frequency listed in Table 3.1 of the Listing Policy. 4. Pursuant to section 3.11 of the Listing Policy, no additional data and information are available indicating that standards are not met.
Regional Board Decision Recommendation:
After review of the available data and information, RWQCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list because applicable water quality standards are not being exceeded.
State Board Review of Regional Board Conclusion and Recommendation:
State Board Decision Recommendation:
After review of this Regional Board decision, SWRCB staff recommend the decision be approved by the State Board.
Listing Extent:
Line of Evidence (LOE) for Decision ID 135764, Pyrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250845
Pollutant:
Pyrene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Pyrene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135764, Pyrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250947
Pollutant:
Pyrene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Pyrene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-18 (SP-SS-18-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 149849, Mercury
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
252679
Pollutant:
Mercury
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
2
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed LA County MS4 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 2 samples exceeded the water quality threshold for Mercury.
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Pyrene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135764, Pyrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250936
Pollutant:
Pyrene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Pyrene .
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 6 samples exceeded the water quality threshold for Mercury.
The Water Quality Control Plan for the Los Angeles Region states that: Surface waters shall not contain concentrations of chemical constituents in amounts that adversely affect any designated beneficial use.
National Recommended Water Quality Criteria Continuous Concentration (4-day average concentrations) for saltwater aquatic organisms exposure to total mercury is 0.94 ug/L.
The samples were collected at 1 monitoring site: SP-RW-20 (SP-RW-20-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2017-09-05 and 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 149849, Mercury
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
263417
Pollutant:
Mercury
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Dissolved
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
5
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 5 samples exceeded the water quality threshold for Mercury.
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135764, Pyrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250934
Pollutant:
Pyrene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Pyrene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135764, Pyrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250930
Pollutant:
Pyrene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Pyrene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135764, Pyrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
251127
Pollutant:
Pyrene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as falign="left" valign="top" width="67%">
Guideline Reference:
Spatial Representation:
The samples were collected at 1 monitoring site: SP-RW-20 (SP-RW-20-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2017-09-05 and 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 149849, Mercury
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
263340
Pollutant:
Mercury
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Dissolved
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
5
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 5 samples exceeded the water quality threshold for Mercury.
The samples were collected at 1 monitoring site: SP-RW-18 (SP-RW-18-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2017-09-05 and 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 149849, Mercury
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
263434
Pollutant:
Mercury
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Dissolved
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
5
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 5 samples exceeded the water quality threshold for Mercury.
The samples were collected at 1 monitoring site: SP-RW-19 (SP-RW-19-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2017-09-05 and 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 149849, Mercury
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
263292
Pollutant:
Mercury
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Dissolved
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
5
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed City of LB Integrated Monitoring for MS4 Permit data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 5 samples exceeded the water quality threshold for Mercury.
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135764, Pyrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
251015
Pollutant:
Pyrene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Pyrene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135764, Pyrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
251106
Pollutant:
Pyrene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Pyrene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-19 (SP-SS-19-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 149849, Mercury
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
252661
Pollutant:
Mercury
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
2
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed LA County MS4 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 2 samples exceeded the water quality threshold for Mercury.
Line of Evidence (LOE) for Decision ID 149849, Mercury
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
252557
Pollutant:
Mercury
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Pyrene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135764, Pyrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250891
Pollutant:
Pyrene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Pyrene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Water Board staff assessed LA County MS4 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 2 samples exceeded the water quality threshold for Mercury.
The Water Quality Control Plan for the Los Angeles Region states that: Surface waters shall not contain concentrations of chemical constituents in amounts that adversely affect any designated beneficial use.
National Recommended Water Quality Criteria Continuous Concentration (4-day average concentrations) for saltwater aquatic organisms exposure to total mercury is 0.94 ug/L.
Line of Evidence (LOE) for Decision ID 149849, Mercury
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
252411
Pollutant:
Mercury
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
5
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed LA County MS4 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 5 samples exceeded the water quality threshold for Mercury.
The Water Quality Control Plan for the Los Angeles Region states that: Surface waters shall not contain concentrations of chemical constituents in amounts that adversely affect any designated beneficial use.
National Recommended Water Quality Criteria Continuous Concentration (4-day average concentrations) for saltwater aquatic organisms exposure to total mercury is 0.94 ug/L.
Line of Evidence (LOE) for Decision ID 135764, Pyrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
251083
Pollutant:
Pyrene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Pyrene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 149849, Mercury
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249665
Pollutant:
Mercury
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Mercury .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-20 (SP-SS-20-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 149849, Mercury
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249505
Pollutant:
Mercury
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Mercury .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 149849, Mercury
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
249641
Pollutant:
Mercury
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Mercury .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Pyrene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-20 (SP-SS-20-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135764, Pyrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250972
Pollutant:
Pyrene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Pyrene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Omega Aragonite is being assessed using Listing Policy section 3.11, a situation-specific weight of evidence approach. As additional research is needed to increase confidence that the data assessed reflect waterbody conditions, the LOEs for this pollutant are not used to place waterbodies on the CWA section 303(d) list. Instead, an exceedance of the mean Omega Aragonite threshold of <1.4 will indicate the beneficial use may be potentially threatened and the waterbody will be placed in Category 3 if the number of measured exceedances supports rejection of the null hypothesis as presented in Table 3.2 of the Listing Policy for conventional or other pollutants.
One line of evidence is available in the administrative record to assess this pollutant. Zero of the 8 samples exceed the Omega Aragonite threshold of <1.4.
The number of exceedances does not indicate impairment under Listing Policy section 3.2; however, insufficient information is available to determine if the beneficial use is fully supported for this waterbody-pollutant combination. Beneficial use support will be reassessed in a future cycle, if more data are available.
In order to make recommendations to list an ocean segment as impaired or to determine that the beneficial use is fully supported for ocean acidification using Omega Aragonite as an evaluation guideline, further research on the following points is needed to increase confidence that data assessed reflects waterbody conditions. 1. Impact of depth on aragonite saturation state, especially within the 0-200m range. 2. Timing in relation to data collection: Determining the number of days at a certain threshold for pteropod life stages. 3. Understanding natural aragonite saturation state levels in an upwelling state. 4. Seasonal variation and shift in dissolution rates.
Regional Board Decision Recommendation:
After review of the available data and information, RWQCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list. The readily available data and information is insufficient to determine the applicable beneficial use support rating.
State Board Review of Regional Board Conclusion and Recommendation:
In order to make recommendations to list an ocean segment as impaired or to determine that the beneficial use is fully supported for ocean acidification using Omega Aragonite as an evaluation guideline, further research on the following points is needed to increase confidence that data assessed reflects waterbody conditions. 1. Impact of depth on aragonite saturation state, especially within the 0-200m range. 2. Timing in relation to data collection: Determining the number of days at a certain threshold for pteropod life stages. 3. Understanding natural aragonite saturation state levels in an upwelling state. 4. Seasonal variation and shift in dissolution rates.
State Board Decision Recommendation:
After review of the available data and information, SWRCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list because it cannot be determined if applicable water quality standards are not being exceeded.
Listing Extent:
Line of Evidence (LOE) for Decision ID 151984, Omega Aragonite
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
308594
Pollutant:
Omega Aragonite
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Not Recorded
Beneficial Use:
Marine Habitat
Number of Samples:
8
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Off Shore Zones (Los Angeles County) to determine beneficial use support and the results are as follows: 0 of the 8 samples exceeded (<1.4) the impairment threshold for Omega Aragonite.
The California SWRCB Marine Habitat Beneficial Use is defined as "Uses of water that support marine ecosystems including, but not limited to, preservation or enhancement of marine habitats, vegetation such as kelp, fish, shellfish, or wildlife (e.g., marine mammals, shorebirds)." A beneficial use was chosen as the assessment criteria for ocean acdification as impacts due to Omega Aragonite can be from global and local sources.
The omega aragonite criterion for the protection of the marine habitat beneficial use is used to determine potential impairment of waterbodies due to ocean acidification; a threshold below 1.4 would indicate potential impairment of a waterbody. The omega aragonite saturation state is calculated by the product of the concentrations of dissolved calcium and carbonate ions divided by their product at equilibrium. Lower levels of omega aragonite are correlated with increased dissolution of pteropods (shell species) and a loss of marine life. In Bednaršek 2019, thresholds between 0.9 and 1.5 were found to indicate severe to mild shell dissolution of pteropods, with potential impairment indicated at approximately 1.2 ± 0.1 (for an overall threshold of 1.3) or below. A study conducted by Oregon State University concluded that the “maximum uncertainty of ±0.2 in the calculation of mean omega aragonite saturation state is required to adequately link changes in ocean chemistry to changes in ecosystem function” (McLaughlin 2015). Thus, the mean aragonite saturation state of 1.4 (1.2 ± 0.2), has been used for the assessment of omega aragonite data.
Line of Evidence (LOE) for Decision ID 135764, Pyrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
251067
Pollutant:
Pyrene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Pyrene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135764, Pyrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250779
Pollutant:
Pyrene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Pyrene .
Waste discharged to the ocean must be essentially free of... Substances which will accumulate to toxic levels in marine waters, sediments or biota. (Chapter III Section A. 2 (b)(3) of the Ocean Plan)
Line of Evidence (LOE) for Decision ID 135764, Pyrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250708
Pollutant:
Pyrene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Pyrene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Do Not List on 303(d) list (TMDL required list)(2018)
Revision Status
Revised
Impairment from Pollutant or Pollution:
Pollutant
Regional Board Conclusion:
This pollutant is being considered for placement on the CWA section 303(d) List under section 3.2 of the Listing Policy. Under section 3.2 a single line of evidence are necessary to assess listing status.
10 lines of evidence are available in the administrative record to assess this pollutant.
Based on the readily available data and information, the weight of evidence indicates that there is sufficient justification against placing this water segment-pollutant combination on the CWA section 303(d) List. This conclusion is based on the staff findings that: 1. The data used satisfies the data quality requirements of section 6.1.4 of the Policy. 2. The data used satisfies the data quantity requirements of section 6.1.5 of the Policy. 3. 7 of 80 samples exceeded the OBJECTIVE and this does not exceed the allowable frequency listed in Table 3.2 of the Listing Policy. 4. Pursuant to section 3.11 of the Listing Policy, no additional data and information are available indicating that standards are not met.
Regional Board Decision Recommendation:
After review of the available data and information, RWQCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list because applicable water quality standards are not being exceeded.
State Board Review of Regional Board Conclusion and Recommendation:
State Board Decision Recommendation:
After review of this Regional Board decision, SWRCB staff recommend the decision be approved by the State Board.
Listing Extent:
Line of Evidence (LOE) for Decision ID 135760, Oxygen, Dissolved
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
88057
Pollutant:
Oxygen, Dissolved
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Dissolved
Beneficial Use:
Marine Habitat
Number of Samples:
6
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Numeric data generated from 6 minimums of Dissolved Oxygen concentrations had no exceedences.
For that area known as the Outer Harbor area of Los Angeles-Long Beach Harbors, the mean annual dissolved oxygen concentrations shall be 6.0 mg/L or greater, provided that no single determination shall be less than 5.0 mg/L.
Insufficient information is available to determine beneficial use support for this waterbody-pollutant combination with the statistical power and confidence required by the Listing Policy. Beneficial use support will be reassessed in a future cycle, if more data are available
Regional Board Decision Recommendation:
After review of the available data and information, RWQCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list. The readily available data and information is insufficient to determine, with the power and confidence of the Listing Policy, the applicable beneficial use support rating.
State Board Review of Regional Board Conclusion and Recommendation:
State Board Decision Recommendation:
After review of the available data and information, SWRCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list because it cannot be determined if applicable water quality standards are not being exceeded.
Listing Extent:
Line of Evidence (LOE) for Decision ID 135765, Silver
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
251160
Pollutant:
Silver
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for Silver. Although a total of 1 samples were collected, 1 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the objective and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
The evaluation guideline for silver is the probable effect level (PEL) td>
Guideline Reference:
Spatial Representation:
Samples were collected from the following stations: Downtown Shoreline Marina 7.1 Downtown Shoreline Marina 7.2 Downtown Shoreline Marina 7.3 Downtown Shoreline Marina 8.1 Downtown Shoreline Marina 8.2 Downtown Shoreline Marina 8.3
Temporal Representation:
Samples were collected twice in August 2006 and once in September 2006.
Environmental Conditions:
QAPP Information:
NPDES quality assurance.
QAPP Information Reference(s):
Line of Evidence (LOE) for Decision ID 135760, Oxygen, Dissolved
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
307867
Pollutant:
Oxygen, Dissolved
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
5
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 5 samples exceeded the water quality threshold for Oxygen, Dissolved.
The Water Quality Control Plan for the Los Angeles Region (page 3-39) states that: At a minimum (see specifics below), the mean annual dissolved oxygen concentration of all waters shall be greater than 7 mg/L.
The samples were collected at 1 monitoring site: SP-RW-19 (SP-RW-19-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2014-09-26 and 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135760, Oxygen, Dissolved
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
307925
Pollutant:
Oxygen, Dissolved
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
4
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed City of LB Integrated Monitoring for MS4 Permit data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 4 samples exceeded the water quality threshold for Oxygen, Dissolved.
The Water Quality Control Plan for the Los Angeles Region (page 3-39) states that: At a minimum (see specifics below), the mean annual dissolved oxygen concentration of all waters shall be greater than 7 mg/L.
Line of Evidence (LOE) for Decision ID 135760, Oxygen, Dissolved
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
307998
Pollutant:
Oxygen, Dissolved
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
11
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 11 samples exceeded the water quality threshold for Oxygen, Dissolved.
Line of Evidence (LOE) for Decision ID 135765, Silver
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
251256
Pollutant:
Silver
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Silver .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135765, Silver
Region 4
San Pedro Bay Near Off Shore Zones
ft" valign="top" width="33%">QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135760, Oxygen, Dissolved
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
307994
Pollutant:
Oxygen, Dissolved
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
12
Number of Exceedances:
2
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 2 of 12 samples exceeded the water quality threshold for Oxygen, Dissolved.
The samples were collected at 1 monitoring site: SP-RW-18 (SP-RW-18-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2014-09-26 and 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135760, Oxygen, Dissolved
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
308165
Pollutant:
Oxygen, Dissolved
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
5
Number of Exceedances:
0
Data and Information Type:
LOE ID:
251463
Pollutant:
Silver
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Silver .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135765, Silver
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
251462
Pollutant:
Silver
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Silver .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 5 samples exceeded the water quality threshold for Oxygen, Dissolved.
The Water Quality Control Plan for the Los Angeles Region (page 3-39) states that: At a minimum (see specifics below), the mean annual dissolved oxygen concentration of all waters shall be greater than 7 mg/L.
The samples were collected at 1 monitoring site: SP-RW-20 (SP-RW-20-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2014-09-26 and 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135760, Oxygen, Dissolved
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
308042
Pollutant:
Oxygen, Dissolved
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
11
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 11 samples exceeded the water quality threshold for Oxygen, Dissolved.
The samples were collected at 1 monitoring site: SP-RW-19 (SP-RW-19-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2014-09-26 and 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135765, Silver
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
251461
Pollutant:
Silver
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Silver .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135765, Silver
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
251141
Pollutant:
Silver
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for Silver. Although a total of 1 samples were collected, 1 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the objective and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135760, Oxygen, Dissolved
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
307995
Pollutant:
Oxygen, Dissolved
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
5
Number of Exceedances:
5
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 5 of 5 samples exceeded the water quality threshold for Oxygen, Dissolved.
The Water Quality Control Plan for the Los Angeles Region (page 3-39) states that: At a minimum (see specifics below), the mean annual dissolved oxygen concentration of all waters shall be greater than 7 mg/L.
The samples were collected at 1 monitoring site: SP-RW-18 (SP-RW-18-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2014-11-02 and 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
For that area known as the Outer Harbor area of Los Angeles-Long Beach Harbors, the mean annual dissolved oxygen concentrations shall be 6.0 mg/L or greater, provided that no single determination shall be less than 5.0 mg/L.
Samples were collected from the following stations: Marina del Rey Front Basin 5.1 Marina del Rey Front Basin 5.2 Marina del Rey Front Basin 5.3 Marina del Rey Front Basin 6.1 Marina del Rey Front Basin 6.2 Marina del Rey Front Basin 6.3 Marina del Rey Front Basin 7.1 Marina del Rey Front Basin 7.2 Marina del Rey Front Basin 7.3 Marina del Rey Front Basin 8.1 Marina del Rey Front Basin 8.2 Marina del Rey Front Basin 8.3
Temporal Representation:
Samples were collected twice in August 2006 and once in September 2006.
Environmental Conditions:
QAPP Information:
NPDES quality assurance.
QAPP Information Reference(s):
Line of Evidence (LOE) for Decision ID 135760, Oxygen, Dissolved
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
308118
Pollutant:
Oxygen, Dissolved
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
9
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed City of LB Integrated Monitoring for MS4 Permit data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 9 samples exceeded the water quality threshold for Oxygen, Dissolved.
1 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the objective and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135765, Silver
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
251139
Pollutant:
Silver
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Silver .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135765, Silver
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
251137
Pollutant:
Silver
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Silver .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135765, Silver
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
251435
Pollutant:
Silver
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
DECISION ID
135762
Region 4
San Pedro Bay Near Off Shore Zones
Pollutant:
Phenanthrene
Final Listing Decision:
Do Not List on 303(d) list (TMDL required list)
Last Listing Cycle's Final Listing Decision:
New Decision
Revision Status
Revised
Impairment from Pollutant or Pollution:
Pollutant
Regional Board Conclusion:
This pollutant is being considered for placement on the CWA section 303(d) List under section 3.6 of the Listing Policy. Under section 3.6 at least two lines of evidence are necessary to assess listing status for pollutants in sediment, and pollutant concentrations in sediment must be associated with sediment toxicity to justify adding that pollutant to the CWA section 303(d) List.
Based on the readily available data and information, the weight of evidence indicates that there is sufficient justification against placing this water segment-pollutant combination on the CWA section 303(d) List.
This conclusion is based on the staff findings that: 1. The data used satisfies the data quality requirements of section 6.1.4 of the Policy. 2. The data used satisfies the data quantity requirements of section 6.1.5 of the Policy. 3. 0 of 17 samples exceed the guideline and this sample size is and this does not exceed the allowable frequency listed in Table 3.1 of the Listing Policy. 4. Pursuant to section 3.11 of the Listing Policy, no additional data and information are available indicating that standards are not met.
Regional Board Decision Recommendation:
After review of the available data and information, RWQCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list because applicable water quality standards are not being exceeded.
State Board Review of Regional Board Conclusion and Recommendation:
State Board Decision Recommendation:
After review of this Regional Board decision, SWRCB staff recommend the decision be approved by the State Board.
Listing Extent:
Line of Evidence (LOE) for Decision ID 135762, Phenanthrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250639
Pollutant:
Phenanthrene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Phenanthrene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Silver .
Waste discharged to the ocean must be essentially free of... Substances which will accumulate to toxic levels in marine waters, sediments or biota. (Chapter III Section A. 2 (b)(3) of the Ocean Plan)
Line of Evidence (LOE) for Decision ID 135765, Silver
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250901
Pollutant:
Silver
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
1
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 1 of the 1 samples exceeded the evaluation guideline for Silver .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135762, Phenanthrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250837
Pollutant:
Phenanthrene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Phenanthrene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135765, Silver
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
251322
Pollutant:
Silver
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Silver .
Waste discharged to the ocean must be essentially free of... Substances which will accumulate to toxic levels in marine waters, sediments or biota. (Chapter III Section A. 2 (b)(3) of the Ocean Plan)
Line of Evidence (LOE) for Decision ID 135765, Silver
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250640
Pollutant:
Phenanthrene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Phenanthrene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135762, Phenanthrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250523
Pollutant:
Phenanthrene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Phenanthrene .
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Silver .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135765, Silver
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
251415
Pollutant:
Silver
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Silver .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135765, Silver
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
251390
Pollutant:
Silver
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Silver .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135762, Phenanthrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250624
Pollutant:
Phenanthrene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Phenanthrene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-19 (SP-SS-19-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135762, Phenanthrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250841
Pollutant:
Phenanthrene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Phenanthrene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135762, Phenanthrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250527
Pollutant:
Phenanthrene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
DECISION ID
135766
Region 4
San Pedro Bay Near Off Shore Zones
Pollutant:
Temperature, water
Final Listing Decision:
Do Not List on 303(d) list (TMDL required list)
Last Listing Cycle's Final Listing Decision:
New Decision
Revision Status
Revised
Impairment from Pollutant or Pollution:
Pollutant
Regional Board Conclusion:
This pollutant is being considered for placement on the CWA section 303(d) List under section 3.2 of the Listing Policy. Under section 3.2 a single line of evidence is necessary to assess listing status.
No lines of evidence are available in the administrative record to assess this pollutant. The temperature objective for the COLD beneficial use was inappropriately applied to MIGR and SPWN. There are no objectives for these beneficial uses. As a result, there are no data to assess.
Regional Board Decision Recommendation:
After review of the available data and information, RWQCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list. The readily available data and information is insufficient to determine, with the power and confidence of the Listing Policy, the applicable beneficial use support rating.
State Board Review of Regional Board Conclusion and Recommendation:
State Board Decision Recommendation:
After review of this Regional Board decision, SWRCB staff recommend the decision be approved by the State Board.
Listing Extent:
Line of Evidence (LOE) for Decision ID 135766, Temperature, water
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
266999
Pollutant:
Temperature, water
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Not Recorded
Beneficial Use:
Fish Migration
Number of Samples:
5
Number of Exceedances:
2
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 2 of 5 samples exceeded the water quality threshold for Temperature.
The Water Quality Control Plan for the Los Angeles Region states that: The natural receiving water temperature of all regional waters shall not be altered unless it can be demonstrated to the satisfaction of the Regional Board that such alteration in temperature does not adversely affect beneficial uses.
Inland Fishes of California (Moyle 1976) states that for rainbow trout the optimum range for growth and comp7%">Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Phenanthrene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135762, Phenanthrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250636
Pollutant:
Phenanthrene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Phenanthrene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
The samples were collected at 1 monitoring site: SP-RW-18 (SP-RW-18-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2017-09-05 and 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135766, Temperature, water
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
267154
Pollutant:
Temperature, water
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Fish Spawning
Number of Samples:
5
Number of Exceedances:
1
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 1 of 5 samples exceeded the water quality threshold for Temperature.
The Water Quality Control Plan for the Los Angeles Region states that: The natural receiving water temperature of all regional waters shall not be altered unless it can be demonstrated to the satisfaction of the Regional Board that such alteration in temperature does not adversely affect beneficial uses.
Inland Fishes of California (Moyle 1976) states that for rainbow trout the optimum range for growth and completion of most life stages is 13-21 degrees C (page 129).
The samples were collected at 1 monitoring site: SP-RW-20 (SP-RW-20-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2014-09-26 and 2016-02-19
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135762, Phenanthrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250726
Pollutant:
Phenanthrene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Phenanthrene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135762, Phenanthrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250506
Pollutant:
Phenanthrene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
FT: 0%; FONT-WEIGHT: bold; PADDING-BOTTOM: 3px; WIDTH: 100%; text-align: left; PADDING-TOP: 3px; font-smooth: always">San Pedro Bay Near Off Shore Zones
LOE ID:
267151
Pollutant:
Temperature, water
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Fish Spawning
Number of Samples:
5
Number of Exceedances:
1
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 1 of 5 samples exceeded the water quality threshold for Temperature.
The Water Quality Control Plan for the Los Angeles Region states that: The natural receiving water temperature of all regional waters shall not be altered unless it can be demonstrated to the satisfaction of the Regional Board that such alteration in temperature does not adversely affect beneficial uses.
Inland Fishes of California (Moyle 1976) states that for rainbow trout the optimum range for growth and completion of most life stages is 13-21 degrees C (page 129).
The samples were collected at 1 monitoring site: SP-RW-19 (SP-RW-19-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2014-09-26 and 2016-02-19
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135766, Temperature, water
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
267153
Pollutant:
Temperature, water
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Fish Migration
Number of Samples:
6
Number of Exceedances:
1
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 1 of 6 samples exceeded the water quality threshold for Temperature.
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Phenanthrene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135762, Phenanthrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250501
Pollutant:
Phenanthrene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Phenanthrene .
Waste discharged to the ocean must be essentially free of... Substances which will accumulate to toxic levels in marine waters, sediments or biota. (Chapter III Section A. 2 (b)(3) of the Ocean Plan)
The evaluation guideline for phenanthrene is the probable effect level (PEL) of 544 ng/g dry weight (MacDonald et al., 1996).
Guideline Reference:
Non-SWAMP
Water Quality Objective/Criterion:
The Water Quality Control Plan for the Los Angeles Region states that: The natural receiving water temperature of all regional waters shall not be altered unless it can be demonstrated to the satisfaction of the Regional Board that such alteration in temperature does not adversely affect beneficial uses.
Inland Fishes of California (Moyle 1976) states that for rainbow trout the optimum range for growth and completion of most life stages is 13-21 degrees C (page 129).
The samples were collected at 1 monitoring site: SP-RW-18 (SP-RW-18-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2014-09-26 and 2016-02-19
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135766, Temperature, water
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
266934
Pollutant:
Temperature, water
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Not Recorded
Beneficial Use:
Fish Migration
Number of Samples:
5
Number of Exceedances:
2
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 2 of 5 samples exceeded the water quality threshold for Temperature.
The Water Quality Control Plan for the Los Angeles Region states that: The natural receiving water temperature of all regional waters shall not be altered unless it can be demonstrated to the satisfaction of the Regional Board that such alteration in temperature does not adversely affect beneficial uses.
Inland Fishes of California (Moyle 1976) states that for rainbow trout the optimum range for growth and completion of most life stages is 13-21 degrees C (page 129).
The samples were collected at 1 monitoring site: SP-RW-20 (SP-RW-20-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2017-09-05 and 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135762, Phenanthrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250497
Pollutant:
Phenanthrene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Phenanthrene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135766, Temperature, water
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
267008
Pollutant:
Temperature, water
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Fish Migration
Number of Samples:
5
Number of Exceedances:
1
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 1 of 5 samples exceeded the water quality threshold for Temperature.
The Water Quality Control Plan for the Los Angeles Region states that: The natural receiving water temperature of all regional waters shall not be altered unless it can be demonstrated to the satisfaction of the Regional Board that such alteration in temperature does not adversely affect beneficial uses.
Inland Fishes of California (Moyle 1976) states that for rainbow trout the optimum range for growth and completion of most life stages is 13-21 degrees C (page 129).
The samples were collected at 1 monitoring site: SP-RW-19 (SP-RW-19-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2014-09-26 and 2016-02-19
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135766, Temperature, water
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
267059
Pollutant:
Temperature, water
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Not Recorded
Beneficial Use:
Fish Spawning
Number of Samples:
8
Number of Exceedances:
3
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed City of LB Integrated Monitoring for MS4 Permit data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 3 of 8 samples exceeded the water quality threshold for Temperature.
The Water Quality Control Plan for the Los Angeles Region states that: The natural receiving water temperature of all regional waters shall not be altered unless it can be demonstrated to the satisfaction of the Regional Board that such alteration in temperature does not adversely affect beneficial uses.
Inland Fishes of California (Moyle 1976) states that for rainbow trout the optimum range for growth and completion of most life stages is 13-21 degrees C (page 129).
Line of Evidence (LOE) for Decision ID 135766, Temperature, water
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
267299
Pollutant:
Temperature, water
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Not Recorded
Beneficial Use:
Fish Spawning
Number of Samples:
5
Number of Exceedances:
2
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 2 of 5 samples exceeded the water quality threshold for Temperature.
The Water Quality Control Plan for the Los Angeles Region states that: The natural receiving water temperature of all regional waters shall not be altered unless it can be demonstrated to the satisfaction of the Regional Board that such alteration in temperature does not adversely affect beneficial uses.
Inland Fishes of California (Moyle 1976) states that for rainbow trout the optimum range for growth and completion of most life stages is 13-21 degrees C (page 129).
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Phenanthrene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135762, Phenanthrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250683
Pollutant:
Phenanthrene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Phenanthrene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Objective/Criterion Reference:
Spatial Representation:
The samples were collected at 1 monitoring site: SP-RW-19 (SP-RW-19-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2017-09-05 and 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135766, Temperature, water
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
267088
Pollutant:
Temperature, water
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Not Recorded
Beneficial Use:
Fish Spawning
Number of Samples:
5
Number of Exceedances:
2
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 2 of 5 samples exceeded the water quality threshold for Temperature.
The Water Quality Control Plan for the Los Angeles Region states that: The natural receiving water temperature of all regional waters shall not be altered unless it can be demonstrated to the satisfaction of the Regional Board that such alteration in temperature does not adversely affect beneficial uses.
Inland Fishes of California (Moyle 1976) states that for rainbow trout the optimum range for growth and completion of most life stages is 13-21 degrees C (page 129).
The samples were collected at 1 monitoring site: SP-RW-18 (SP-RW-18-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2017-09-05 and 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135762, Phenanthrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250679
Pollutant:
Phenanthrene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Phenanthrene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-18 (SP-SS-18-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135762, Phenanthrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250675
Pollutant:
Phenanthrene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Phenanthrene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-20 (SP-SS-20-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135762, Phenanthrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250771
Pollutant:
Phenanthrene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Phenanthrene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 2 of 5 samples exceeded the water quality threshold for Temperature.
The Water Quality Control Plan for the Los Angeles Region states that: The natural receiving water temperature of all regional waters shall not be altered unless it can be demonstrated to the satisfaction of the Regional Board that such alteration in temperature does not adversely affect beneficial uses.
Inland Fishes of California (Moyle 1976) states that for rainbow trout the optimum range for growth and completion of most life stages is 13-21 degrees C (page 129).
The samples were collected at 1 monitoring site: SP-RW-20 (SP-RW-20-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2017-09-05 and 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135766, Temperature, water
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
266872
Pollutant:
Temperature, water
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Not Recorded
Beneficial Use:
Fish Migration
Number of Samples:
8
Number of Exceedances:
3
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed City of LB Integrated Monitoring for MS4 Permit data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 3 of 8 samples exceeded the water quality threshold for Temperature.
The Water Quality Control Plan for the Los Angeles Region states that: The natural receiving water temperature of all regional waters shall not be altered unless it can be demonstrated to the satisfaction of the Regional Board that such alteration in temperature does not adversely affect beneficial uses.
Inland Fishes of California (Moyle 1976) states that for rainbow trout the optimum range for growth and completion of most life stages is 13-21 degrees C (page 129).
Line of Evidence (LOE) for Decision ID 135766, Temperature, water
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
267034
Pollutant:
Temperature, water
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Fish Migration
Number of Samples:
5
Number of Exceedances:
1
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 1 of 5 samples exceeded the water quality threshold for Temperature.
The Water Quality Control Plan for the Los Angeles Region states that: The natural receiving water temperature of all regional waters shall not be altered unless it can be demonstrated to the satisfaction of the Regional Board that such alteration in temperature does not adversely affect beneficial uses.
Inland Fishes of California (Moyle 1976) states that for rainbow trout the optimum range for growth and completion of most life stages is 13-21 degrees C (page 129).
The samples were collected at 1 monitoring site: SP-RW-20 (SP-RW-20-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2014-09-26 and 2016-02-19
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
This pollutant is being considered for placement on the CWA section 303(d) List under section 3.6 of the Listing Policy. Under section 3.6 at least two lines of evidence are necessary to assess listing status for pollutants sediment, and pollutant concentrations in sediment must be associated with sediment toxicity to justify adding that pollutant to the CWA section 303(d) List.
Based on the readily available data and information, the weight of evidence indicates that there is sufficient justification against placing this water segment-pollutant combination on the CWA section 303(d) List.
This conclusion is based on the staff findings that: 1. The data used satisfies the data quality requirements of section 6.1.4 of the Policy. 2. The data used satisfies the data quantity requirements of section 6.1.5 of the Policy. 3. 0 of the 17 samples exceed the guideline and this does not exceed the allowable frequency listed in Table 3.1 of the Listing Policy. 4. Pursuant to section 3.11 of the Listing Policy, no additional data and information are available indicating that standards are not met.
Regional Board Decision Recommendation:
After review of the available data and information, RWQCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list because applicable water quality standards are not being exceeded.
State Board Review of Regional Board Conclusion and Recommendation:
State Board Decision Recommendation:
After review of this Regional Board decision, SWRCB staff recommend the decision be approved by the State Board.
Listing Extent:
Line of Evidence (LOE) for Decision ID 135764, Pyrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250845
Pollutant:
Pyrene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Pyrene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Objective/Criterion Reference:
Line of Evidence (LOE) for Decision ID 135766, Temperature, water
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
267075
Pollutant:
Temperature, water
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Not Recorded
Beneficial Use:
Fish Migration
Number of Samples:
5
Number of Exceedances:
2
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 2 of 5 samples exceeded the water quality threshold for Temperature.
The Water Quality Control Plan for the Los Angeles Region states that: The natural receiving water temperature of all regional waters shall not be altered unless it can be demonstrated to the satisfaction of the Regional Board that such alteration in temperature does not adversely affect beneficial uses.
Inland Fishes of California (Moyle 1976) states that for rainbow trout the optimum range for growth and completion of most life stages is 13-21 degrees C (page 129).
The samples were collected at 1 monitoring site: SP-RW-19 (SP-RW-19-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2017-09-05 and 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135766, Temperature, water
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
266859
Pollutant:
Temperature, water
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Fish Spawning
Number of Samples:
6
Number of Exceedances:
1
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 1 of 6 samples exceeded the water quality threshold for Temperature.
The Water Quality Control Plan for the Los Angeles Region states that: The natural receiving water temperature of all regional waters shall not be altered unless it can be demonstrated to the satisfaction of the Regional Board that such alteration in temperature does not adversely affect beneficial uses.
Inland Fishes of California (Moyle 1976) states that for rainbow trout the optimum range for growth and completion of most life stages is 13-21 degrees C (page 129).
The samples were collected at 1 monitoring site: SP-RW-18 (SP-RW-18-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2014-09-26 and 2016-02-19
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135764, Pyrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250947
Pollutant:
Pyrene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Pyrene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-18 (SP-SS-18-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135764, Pyrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250728
Pollutant:
Pyrene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Pyrene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135764, Pyrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250936
Pollutant:
Pyrene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Pyrene .
Insufficient information is available to determine beneficial use support for this waterbody-pollutant combination with the statistical power and confidence required by the Listing Policy. Beneficial use support will be reassessed in a future cycle, if more data are available
Regional Board Decision Recommendation:
After review of the available data and information, RWQCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list. The readily available data and information is insufficient to determine, with the power and confidence of the Listing Policy, the applicable beneficial use support rating.
State Board Review of Regional Board Conclusion and Recommendation:
State Board Decision Recommendation:
After review of the available data and information, SWRCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list because it cannot be determined if applicable water quality standards are not being exceeded.
Listing Extent:
Line of Evidence (LOE) for Decision ID 135768, Toxaphene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
267691
Pollutant:
Toxaphene
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for Toxaphene. Although a total of 5 samples were collected, 5 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
The toxaphene criterion continuous concentration (expressed as a 4-day average) to protect aquatic life in saline water is 0.0002 ug/L (California Toxics Rule, 2000).
The samples were collected at 1 monitoring site: SP-RW-19 (SP-RW-19-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-01-10 to 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135768, Toxaphene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
267763
Pollutant:
Toxaphene
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed City of LB Integrated Monitoring for MS4 Permit data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for Toxaphene. Although a total of 6 samples were collected, 6 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
The toxaphene criterion continuous concentration (expressed as a 4-day average) to protect aquatic life in saline water is 0.0002 ug/L (California Toxics Rule, 2000).
Line of Evidence (LOE) for Decision ID 135768, Toxaphene
Region 4
San Pedro Bay Near Off Shore Zones
Non-SWAMP
Water Quality Objective/Criterion:
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135764, Pyrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250934
Pollutant:
Pyrene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Pyrene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Water Board staff assessed LA County MS4 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for Toxaphene. Although a total of 3 samples were collected, 3 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
The toxaphene criterion continuous concentration (expressed as a 4-day average) to protect aquatic life in saline water is 0.0002 ug/L (California Toxics Rule, 2000).
Line of Evidence (LOE) for Decision ID 135768, Toxaphene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245149
Pollutant:
Toxaphene
LOE Subgroup:
Pollutant-Tissue
Matrix:
Tissue
Fraction:
Fish fillet
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Waterboard staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: Zero of Zero samples exceeded the water quality threshold for Toxaphene. Although data was collected for 7 fish species (3 composite(s) of Northern Anchovy each composed of NA fish per composite, 1 composite(s) of White Croaker each composed of 6 fish per composite, 1 composite(s) of White Croaker each composed of 5 fish per composite, 1 composite(s) of White Croaker each composed of 4 fish per composite, 1 composite(s) of California Halibut each composed of 6 fish per composite, 1 composite(s) of California Halibut each composed of 1 fish per composite, 1 composite(s) of California Halibut each composed of 10 fish per composite), all 9 sample(s) had to be thrown out due to quantitation issues.
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135764, Pyrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
251127
Pollutant:
Pyrene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as fted Report in Region 4.
SWAMP Data:
Non-SWAMP
Water Quality Objective/Criterion:
The Water Quality Control Plan for the Los Angeles Region (page 3-29) states that: Toxic pollutants shall not be present at levels that will bioaccumulate in aquatic life to levels which are harmful to aquatic life or human health.
The modified OEHHA Fish Contaminant Goal for toxaphene in fish tissue is 4.3 ppb. This screening level assumes an average body weight of 70 kg and a consumption rate of 32 g/day for a 30 year exposure over a 70-year lifetime. This constituent is a carcinogen therefore the risk level is set to one in a million. A cooking reduction factor of 1 is applied for skin-off fillets. (Klasing, S., and R. Brodberg, 2008)
Data were collected from 1 station(s). Station Code(s): SP_2018_Fish (SP_2018_Fish-East San Pedro Bay).
Temporal Representation:
Data for this line of evidence were collected between 2018-10-02 and 2018-10-02. When composited fish were collected over multiple days, the first day of fish collection was used as the sample date in the LOE, both for LOE writing, and for averaging period purposes.
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135768, Toxaphene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
267877
Pollutant:
Toxaphene
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for Toxaphene. Although a total of 5 samples were collected, 5 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
The toxaphene criterion continuous concentration (expressed as a 4-day average) to protect aquatic life in saline water is 0.0002 ug/L (California Toxics Rule, 2000).
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135764, Pyrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
251015
Pollutant:
Pyrene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Pyrene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): B18-10002 (B18-10002).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-07-24 to 2018-07-24
Environmental Conditions:
QAPP Information:
Data for this waterbody were collected over the date range 2018-01-10 to 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135768, Toxaphene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
267921
Pollutant:
Toxaphene
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for Toxaphene. Although a total of 5 samples were collected, 5 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
The toxaphene criterion continuous concentration (expressed as a 4-day average) to protect aquatic life in saline water is 0.0002 ug/L (California Toxics Rule, 2000).
The samples were collected at 1 monitoring site: SP-RW-20 (SP-RW-20-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-01-10 to 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135764, Pyrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
251106
Pollutant:
Pyrene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Pyrene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-19 (SP-SS-19-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135764, Pyrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
251000
Pollutant:
Pyrene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
Matrix:
Water
Fraction:
Total
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for Toxaphene. Although a total of 5 samples were collected, 5 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
The samples were collected at 1 monitoring site: SP-RW-19 (SP-RW-19-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-01-10 to 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135768, Toxaphene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
267881
Pollutant:
Toxaphene
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for Toxaphene. Although a total of 5 samples were collected, 5 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
The toxaphene criterion for the protection of human he7%">1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Pyrene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135764, Pyrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250891
Pollutant:
Pyrene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Pyrene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
The samples were collected at 1 monitoring site: SP-RW-18 (SP-RW-18-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-01-10 to 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135768, Toxaphene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
267807
Pollutant:
Toxaphene
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for Toxaphene. Although a total of 5 samples were collected, 5 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
The samples were collected at 1 monitoring site: SP-RW-20 (SP-RW-20-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-01-10 to 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135764, Pyrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
251083
Pollutant:
Pyrene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Pyrene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135764, Pyrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250869
Pollutant:
Pyrene
LOE Subgroup:
Pollutant-Sediment
Line of Evidence (LOE) for Decision ID 135768, Toxaphene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245168
Pollutant:
Toxaphene
LOE Subgroup:
Pollutant-Tissue
Matrix:
Tissue
Fraction:
Fish fillet
Beneficial Use:
Marine Habitat
Number of Samples:
3
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows 0 of the 3 samples exceeded the water quality threshold for Toxaphene. Data were collected for 7 fish species (3 composite(s) of Northern Anchovy each composed of NA fish per composite, 1 composite(s) of White Croaker each composed of 4 fish per composite, 1 composite(s) of White Croaker each composed of 5 fish per composite, 1 composite(s) of White Croaker each composed of 6 fish per composite, 1 composite(s) of California Halibut each composed of 1 fish per composite, 1 composite(s) of California Halibut each composed of 6 fish per composite, 1 composite(s) of California Halibut each composed of 10 fish per composite).
The Water Quality Control Plan for the Los Angeles Region (page 3-29) states that: Toxic pollutants shall not be present at levels that will bioaccumulate in aquatic life to levels which are harmful to aquatic life or human health.
National Academy of Science guidelines (NAS 1972) establish a maximum toxaphene concentration of 100 ug/Kg (wet weight) in tissue samples for protection of aquatic life from bioaccumulation of toxic substances.
Data were collected from 1 station(s). Station Code(s): SP_2018_Fish (SP_2018_Fish-East San Pedro Bay).
Temporal Representation:
Data for this line of evidence were collected between 2018-10-02 and 2018-10-02. When composited fish were collected over multiple days, the first day of fish collection was used as the sample date in the LOE, both for LOE writing, and for averaging period purposes.
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135768, Toxaphene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
252750
Pollutant:
Toxaphene
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed LA County MS4 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for Toxaphene. Although a total of 3 samples were collected, 3 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
Line of Evidence (LOE) for Decision ID 135768, Toxaphene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
267925
Pollutant:
Toxaphene
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed City of LB Integrated Monitoring for MS4 Permit data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for Toxaphene. Although a total of 6 samples were collected, 6 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Pyrene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-20 (SP-SS-20-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135764, Pyrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250972
Pollutant:
Pyrene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Pyrene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135764, Pyrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
251067
Pollutant:
Pyrene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Pyrene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135764, Pyrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250779
Pollutant:
Pyrene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Pyrene .
Waste discharged to the ocean must be essentially free of... Substances which will accumulate to toxic levels in marine waters, sediments or biota. (Chapter III Section A. 2 (b)(3) of the Ocean Plan)
Line of Evidence (LOE) for Decision ID 135764, Pyrene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250708
Pollutant:
Pyrene
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Pyrene .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Do Not List on 303(d) list (TMDL required list)(2018)
Revision Status
Revised
Impairment from Pollutant or Pollution:
Pollutant
Regional Board Conclusion:
This pollutant is being considered for placement on the CWA section 303(d) List under section 3.2 of the Listing Policy. Under section 3.2 a single line of evidence are necessary to assess listing status.
1 line of evidence is available in the administrative record to assess this pollutant. 0 of 48 samples exceeded the OBJECTIVE.
Based on the readily available data and information, the weight of evidence indicates that there is sufficient justification against placing this water segment-pollutant combination on the CWA section 303(d) List. This conclusion is based on the staff findings that: 1. The data used satisfies the data quality requirements of section 6.1.4 of the Policy. 2. The data used satisfies the data quantity requirements of section 6.1.5 of the Policy. 3. 0 of 48 samples exceeded the OBJECTIVE and this does not exceed the allowable frequency listed in Table 3.2 of the Listing Policy. 4. Pursuant to SECTION 3.11 of the Listing Policy, no additional data and information are available indicating that standards are not met.
Regional Board Decision Recommendation:
After review of the available data and information, RWQCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list because applicable water quality standards are not being exceeded.
State Board Review of Regional Board Conclusion and Recommendation:
State Board Decision Recommendation:
After review of this Regional Board decision, SWRCB staff recommend the decision be approved by the State Board.
Listing Extent:
Line of Evidence (LOE) for Decision ID 135761, pH
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
88061
Pollutant:
pH
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Dissolved
Beneficial Use:
Marine Habitat
Number of Samples:
9
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Numeric data generated from 9 minimums and maximums had no exceedences.
Samples were collected twice in August 2006 and once in September 2006.
Environmental Conditions:
QAPP Information:
NPDES quality assurance.
QAPP Information Reference(s):
Line of Evidence (LOE) for Decision ID 135761, pH
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
264882
Pollutant:
pH
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
None
Beneficial Use:
Marine Habitat
Number of Samples:
3
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 3 samples exceeded the water quality threshold for pH.
Water Quality Control Plan, Los Angeles Basin: the pH for inland surface waters, bays, or estuaries shall not be depressed below 6.5 or raised above 8.5 as a result of waste discharges.
The samples were collected at 1 monitoring site: SP-RW-19 (SP-RW-19-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2014-09-26 and 2015-07-07
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Insufficient information is available to determine beneficial use support for this waterbody-pollutant combination with the statistical power and confidence required by the Listing Policy. Beneficial use support will be reassessed in a future cycle, if more data are available
Regional Board Decision Recommendation:
After review of the available data and information, RWQCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list. The readily available data and information is insufficient to determine, with the power and confidence of the Listing Policy, the applicable beneficial use support rating.
State Board Review of Regional Board Conclusion and Recommendation:
State Board Decision Recommendation:
After review of the available data and information, SWRCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list because it cannot be determined if applicable water quality standards are not being exceeded.
Listing Extent:
Line of Evidence (LOE) for Decision ID 135765, Silver
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
251160
Pollutant:
Silver
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for Silver. Although a total of 1 samples were collected, 1 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the objective and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135765, Silver
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
251256
Pollutant:
Silver
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Silver .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135765, Silver
Region 4
San Pedro Bay Near Off Shore Zones
ber of Samples:
7
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 7 samples exceeded the water quality threshold for pH.
Water Quality Control Plan, Los Angeles Basin: the pH for inland surface waters, bays, or estuaries shall not be depressed below 6.5 or raised above 8.5 as a result of waste discharges.
The samples were collected at 1 monitoring site: SP-RW-19 (SP-RW-19-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2015-10-05 and 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 3 samples exceeded the water quality threshold for pH.
Water Quality Control Plan, Los Angeles Basin: the pH for inland surface waters, bays, or estuaries shall not be depressed below 6.5 or raised above 8.5 as a result of waste discharges.
The samples were collected at 1 monitoring site: SP-RW-20 (SP-RW-20-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2014-09-26 and 2015-07-07
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 7 samples exceeded the water quality threshold for pH.
Water Quality Control Plan, Los Angeles Basin: the pH for inland surface waters, bays, or estuaries shall not be depressed below 6.5 or raised above 8.5 as a result of waste discharges.
The samples were collected at 1 monitoring site: SP-RW-20 (SP-RW-20-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2015-10-05 and 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Water Board staff assessed City of LB Integrated Monitoring for MS4 Permit data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 8 samples exceeded the water quality threshold for pH.
Water Quality Control Plan, Los Angeles Basin: the pH for inland surface waters, bays, or estuaries shall not be depressed below 6.5 or raised above 8.5 as a result of waste discharges.
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 7 samples exceeded the water quality threshold for pH.
Water Quality Control Plan, Los Angeles Basin: the pH for inland surface waters, bays, or estuaries shall not be depressed below 6.5 or raised above 8.5 as a result of waste discharges.
The samples were collected at 1 monitoring site: SP-RW-18 (SP-RW-18-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2015-10-05 and 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Silver .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135765, Silver
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
251462
Pollutant:
Silver
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Silver .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135761, pH
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
264961
Pollutant:
pH
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
None
Beneficial Use:
Marine Habitat
Number of Samples:
4
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 4 samples exceeded the water quality threshold for pH.
Water Quality Control Plan, Los Angeles Basin: the pH for inland surface waters, bays, or estuaries shall not be depressed below 6.5 or raised above 8.5 as a result of waste discharges.
The samples were collected at 1 monitoring site: SP-RW-18 (SP-RW-18-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2014-09-26 and 2015-07-07
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135765, Silver
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
251461
Pollutant:
Silver
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Silver .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135765, Silver
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
251141
Pollutant:
Silver
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for Silver. Although a total of 1 samples were collected, 1 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the objective and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135765, Silver
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
251140
Pollutant:
Silver
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for Silver. Although a total of 1 samples were collected, 1 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the objective and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135765, Silver
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
251139
Pollutant:
Silver
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Silver .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135765, Silver
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
251137
Pollutant:
Silver
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Silver .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135765, Silver
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
251435
Pollutant:
Silver
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Silver .
Waste discharged to the ocean must be essentially free of... Substances which will accumulate to toxic levels in marine waters, sediments or biota. (Chapter III Section A. 2 (b)(3) of the Ocean Plan)
Line of Evidence (LOE) for Decision ID 135765, Silver
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
250901
Pollutant:
Silver
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
1
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 1 of the 1 samples exceeded the evaluation guideline for Silver .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135765, Silver
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
251322
Pollutant:
Silver
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Silver .
Waste discharged to the ocean must be essentially free of... Substances which will accumulate to toxic levels in marine waters, sediments or biota. (Chapter III Section A. 2 (b)(3) of the Ocean Plan)
Line of Evidence (LOE) for Decision ID 135765, Silver
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
251096
Pollutant:
Silver
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Silver .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135765, Silver
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
251415
Pollutant:
Silver
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Silver .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135765, Silver
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
251390
Pollutant:
Silver
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Silver .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
This pollutant is being considered for placement on the CWA section 303(d) List under section 3.2 of the Listing Policy. Under section 3.2 a single line of evidence is necessary to assess listing status.
No lines of evidence are available in the administrative record to assess this pollutant. The temperature objective for the COLD beneficial use was inappropriately applied to MIGR and SPWN. There are no objectives for these beneficial uses. As a result, there are no data to assess.
Regional Board Decision Recommendation:
After review of the available data and information, RWQCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list. The readily available data and information is insufficient to determine, with the power and confidence of the Listing Policy, the applicable beneficial use support rating.
State Board Review of Regional Board Conclusion and Recommendation:
State Board Decision Recommendation:
After review of this Regional Board decision, SWRCB staff recommend the decision be approved by the State Board.
Listing Extent:
Line of Evidence (LOE) for Decision ID 135766, Temperature, water
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
266999
Pollutant:
Temperature, water
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Not Recorded
Beneficial Use:
Fish Migration
Number of Samples:
5
Number of Exceedances:
2
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 2 of 5 samples exceeded the water quality threshold for Temperature.
The Water Quality Control Plan for the Los Angeles Region states that: The natural receiving water temperature of all regional waters shall not be altered unless it can be demonstrated to the satisfaction of the Regional Board that such alteration in temperature does not adversely affect beneficial uses.
Inland Fishes of California (Moyle 1976) states that for rainbow trout the optimum range for growth and completion of most life stages is 13-21 degrees C (page 129).
The samples were collected at 1 monitoring site: SP-RW-18 (SP-RW-18-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2017-09-05 and 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135766, Temperature, water
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
267154
Pollutant:
Temperature, water
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Fish Spawning
Number of Samples:
5
Number of Exceedances:
1
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 1 of 5 samples exceeded the water quality threshold for Temperature.
The Water Quality Control Plan for the Los Angeles Region states that: The natural receiving water temperature of all regional waters shall not be altered unless it can be demonstrated to the satisfaction of the Regional Board that such alteration in temperature does not adversely affect beneficial uses.
Inland Fishes of California (Moyle 1976) states that for rainbow trout the optimum range for growth and completion of most life stages is 13-21 degrees C (page 129).
The samples were collected at 1 monitoring site: SP-RW-20 (SP-RW-20-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2014-09-26 and 2016-02-19
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135766, Temperature, water
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
267151
Pollutant:
Temperature, water
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Fish Spawning
Number of Samples:
5
Number of Exceedances:
1
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 1 of 5 samples exceeded the water quality threshold for Temperature.
The Water Quality Control Plan for the Los Angeles Region states that: The natural receiving water temperature of all regional waters shall not be altered unless it can be demonstrated to the satisfaction of the Regional Board that such alteration in temperature does not adversely affect beneficial uses.
Inland Fishes of California (Moyle 1976) states that for rainbow trout the optimum range for growth and completion of most life stages is 13-21 degrees C (page 129).
The samples were collected at 1 monitoring site: SP-RW-19 (SP-RW-19-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2014-09-26 and 2016-02-19
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135766, Temperature, water
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
267153
Pollutant:
Temperature, water
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Fish Migration
Number of Samples:
6
Number of Exceedances:
1
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 1 of 6 samples exceeded the water quality threshold for Temperature.
The Water Quality Control Plan for the Los Angeles Region states that: The natural receiving water temperature of all regional waters shall not be altered unless it can be demonstrated to the satisfaction of the Regional Board that such alteration in temperature does not adversely affect beneficial uses.
Inland Fishes of California (Moyle 1976) states that for rainbow trout the optimum range for growth and completion of most life stages is 13-21 degrees C (page 129).
The samples were collected at 1 monitoring site: SP-RW-18 (SP-RW-18-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2014-09-26 and 2016-02-19
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135766, Temperature, water
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
266934
Pollutant:
Temperature, water
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Not Recorded
Beneficial Use:
Fish Migration
Number of Samples:
5
Number of Exceedances:
2
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 2 of 5 samples exceeded the water quality threshold for Temperature.
The Water Quality Control Plan for the Los Angeles Region states that: The natural receiving water temperature of all regional waters shall not be altered unless it can be demonstrated to the satisfaction of the Regional Board that such alteration in temperature does not adversely affect beneficial uses.
Inland Fishes of California (Moyle 1976) states that for rainbow trout the optimum range for growth and completion of most life stages is 13-21 degrees C (page 129).
The samples were collected at 1 monitoring site: SP-RW-20 (SP-RW-20-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2017-09-05 and 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135766, Temperature, water
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
267008
Pollutant:
Temperature, water
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Fish Migration
Number of Samples:
5
Number of Exceedances:
1
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 1 of 5 samples exceeded the water quality threshold for Temperature.
The Water Quality Control Plan for the Los Angeles Region states that: The natural receiving water temperature of all regional waters shall not be altered unless it can be demonstrated to the satisfaction of the Regional Board that such alteration in temperature does not adversely affect beneficial uses.
Inland Fishes of California (Moyle 1976) states that for rainbow trout the optimum range for growth and completion of most life stages is 13-21 degrees C (page 129).
The samples were collected at 1 monitoring site: SP-RW-19 (SP-RW-19-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2014-09-26 and 2016-02-19
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135766, Temperature, water
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
267059
Pollutant:
Temperature, water
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Not Recorded
Beneficial Use:
Fish Spawning
Number of Samples:
8
Number of Exceedances:
3
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed City of LB Integrated Monitoring for MS4 Permit data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 3 of 8 samples exceeded the water quality threshold for Temperature.
The Water Quality Control Plan for the Los Angeles Region states that: The natural receiving water temperature of all regional waters shall not be altered unless it can be demonstrated to the satisfaction of the Regional Board that such alteration in temperature does not adversely affect beneficial uses.
Inland Fishes of California (Moyle 1976) states that for rainbow trout the optimum range for growth and completion of most life stages is 13-21 degrees C (page 129).
Line of Evidence (LOE) for Decision ID 135766, Temperature, water
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
267299
Pollutant:
Temperature, water
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Not Recorded
Beneficial Use:
Fish Spawning
Number of Samples:
5
Number of Exceedances:
2
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 2 of 5 samples exceeded the water quality threshold for Temperature.
The Water Quality Control Plan for the Los Angeles Region states that: The natural receiving water temperature of all regional waters shall not be altered unless it can be demonstrated to the satisfaction of the Regional Board that such alteration in temperature does not adversely affect beneficial uses.
Inland Fishes of California (Moyle 1976) states that for rainbow trout the optimum range for growth and completion of most life stages is 13-21 degrees C (page 129).
The samples were collected at 1 monitoring site: SP-RW-19 (SP-RW-19-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2017-09-05 and 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135766, Temperature, water
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
267088
Pollutant:
Temperature, water
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Not Recorded
Beneficial Use:
Fish Spawning
Number of Samples:
5
Number of Exceedances:
2
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 2 of 5 samples exceeded the water quality threshold for Temperature.
The Water Quality Control Plan for the Los Angeles Region states that: The natural receiving water temperature of all regional waters shall not be altered unless it can be demonstrated to the satisfaction of the Regional Board that such alteration in temperature does not adversely affect beneficial uses.
Inland Fishes of California (Moyle 1976) states that for rainbow trout the optimum range for growth and completion of most life stages is 13-21 degrees C (page 129).
The samples were collected at 1 monitoring site: SP-RW-18 (SP-RW-18-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2017-09-05 and 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135766, Temperature, water
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
267178
Pollutant:
Temperature, water
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Not Recorded
Beneficial Use:
Fish Spawning
Number of Samples:
5
Number of Exceedances:
2
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 2 of 5 samples exceeded the water quality threshold for Temperature.
The Water Quality Control Plan for the Los Angeles Region states that: The natural receiving water temperature of all regional waters shall not be altered unless it can be demonstrated to the satisfaction of the Regional Board that such alteration in temperature does not adversely affect beneficial uses.
Inland Fishes of California (Moyle 1976) states that for rainbow trout the optimum range for growth and completion of most life stages is 13-21 degrees C (page 129).
The samples were collected at 1 monitoring site: SP-RW-20 (SP-RW-20-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2017-09-05 and 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135766, Temperature, water
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
266872
Pollutant:
Temperature, water
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Not Recorded
Beneficial Use:
Fish Migration
Number of Samples:
8
Number of Exceedances:
3
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed City of LB Integrated Monitoring for MS4 Permit data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 3 of 8 samples exceeded the water quality threshold for Temperature.
The Water Quality Control Plan for the Los Angeles Region states that: The natural receiving water temperature of all regional waters shall not be altered unless it can be demonstrated to the satisfaction of the Regional Board that such alteration in temperature does not adversely affect beneficial uses.
Inland Fishes of California (Moyle 1976) states that for rainbow trout the optimum range for growth and completion of most life stages is 13-21 degrees C (page 129).
Line of Evidence (LOE) for Decision ID 135766, Temperature, water
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
267034
Pollutant:
Temperature, water
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Fish Migration
Number of Samples:
5
Number of Exceedances:
1
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 1 of 5 samples exceeded the water quality threshold for Temperature.
The Water Quality Control Plan for the Los Angeles Region states that: The natural receiving water temperature of all regional waters shall not be altered unless it can be demonstrated to the satisfaction of the Regional Board that such alteration in temperature does not adversely affect beneficial uses.
Inland Fishes of California (Moyle 1976) states that for rainbow trout the optimum range for growth and completion of most life stages is 13-21 degrees C (page 129).
The samples were collected at 1 monitoring site: SP-RW-20 (SP-RW-20-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2014-09-26 and 2016-02-19
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135766, Temperature, water
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
267075
Pollutant:
Temperature, water
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Not Recorded
Beneficial Use:
Fish Migration
Number of Samples:
5
Number of Exceedances:
2
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 2 of 5 samples exceeded the water quality threshold for Temperature.
The Water Quality Control Plan for the Los Angeles Region states that: The natural receiving water temperature of all regional waters shall not be altered unless it can be demonstrated to the satisfaction of the Regional Board that such alteration in temperature does not adversely affect beneficial uses.
Inland Fishes of California (Moyle 1976) states that for rainbow trout the optimum range for growth and completion of most life stages is 13-21 degrees C (page 129).
The samples were collected at 1 monitoring site: SP-RW-19 (SP-RW-19-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2017-09-05 and 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135766, Temperature, water
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
266859
Pollutant:
Temperature, water
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Fish Spawning
Number of Samples:
6
Number of Exceedances:
1
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 1 of 6 samples exceeded the water quality threshold for Temperature.
The Water Quality Control Plan for the Los Angeles Region states that: The natural receiving water temperature of all regional waters shall not be altered unless it can be demonstrated to the satisfaction of the Regional Board that such alteration in temperature does not adversely affect beneficial uses.
Inland Fishes of California (Moyle 1976) states that for rainbow trout the optimum range for growth and completion of most life stages is 13-21 degrees C (page 129).
The samples were collected at 1 monitoring site: SP-RW-18 (SP-RW-18-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2014-09-26 and 2016-02-19
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Insufficient information is available to determine beneficial use support for this waterbody-pollutant combination with the statistical power and confidence required by the Listing Policy. Beneficial use support will be reassessed in a future cycle, if more data are available
Regional Board Decision Recommendation:
After review of the available data and information, RWQCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list. The readily available data and information is insufficient to determine, with the power and confidence of the Listing Policy, the applicable beneficial use support rating.
State Board Review of Regional Board Conclusion and Recommendation:
State Board Decision Recommendation:
After review of the available data and information, SWRCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list because it cannot be determined if applicable water quality standards are not being exceeded.
Listing Extent:
Line of Evidence (LOE) for Decision ID 135768, Toxaphene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
267691
Pollutant:
Toxaphene
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for Toxaphene. Although a total of 5 samples were collected, 5 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
The toxaphene criterion continuous concentration (expressed as a 4-day average) to protect aquatic life in saline water is 0.0002 ug/L (California Toxics Rule, 2000).
The samples were collected at 1 monitoring site: SP-RW-19 (SP-RW-19-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-01-10 to 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135768, Toxaphene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
267763
Pollutant:
Toxaphene
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed City of LB Integrated Monitoring for MS4 Permit data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for Toxaphene. Although a total of 6 samples were collected, 6 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
The toxaphene criterion continuous concentration (expressed as a 4-day average) to protect aquatic life in saline water is 0.0002 ug/L (California Toxics Rule, 2000).
Line of Evidence (LOE) for Decision ID 135768, Toxaphene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
252730
Pollutant:
Toxaphene
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed LA County MS4 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for Toxaphene. Although a total of 3 samples were collected, 3 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
The toxaphene criterion continuous concentration (expressed as a 4-day average) to protect aquatic life in saline water is 0.0002 ug/L (California Toxics Rule, 2000).
Line of Evidence (LOE) for Decision ID 135768, Toxaphene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245149
Pollutant:
Toxaphene
LOE Subgroup:
Pollutant-Tissue
Matrix:
Tissue
Fraction:
Fish fillet
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Waterboard staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: Zero of Zero samples exceeded the water quality threshold for Toxaphene. Although data was collected for 7 fish species (3 composite(s) of Northern Anchovy each composed of NA fish per composite, 1 composite(s) of White Croaker each composed of 6 fish per composite, 1 composite(s) of White Croaker each composed of 5 fish per composite, 1 composite(s) of White Croaker each composed of 4 fish per composite, 1 composite(s) of California Halibut each composed of 6 fish per composite, 1 composite(s) of California Halibut each composed of 1 fish per composite, 1 composite(s) of California Halibut each composed of 10 fish per composite), all 9 sample(s) had to be thrown out due to quantitation issues.
The Water Quality Control Plan for the Los Angeles Region (page 3-29) states that: Toxic pollutants shall not be present at levels that will bioaccumulate in aquatic life to levels which are harmful to aquatic life or human health.
The modified OEHHA Fish Contaminant Goal for toxaphene in fish tissue is 4.3 ppb. This screening level assumes an average body weight of 70 kg and a consumption rate of 32 g/day for a 30 year exposure over a 70-year lifetime. This constituent is a carcinogen therefore the risk level is set to one in a million. A cooking reduction factor of 1 is applied for skin-off fillets. (Klasing, S., and R. Brodberg, 2008)
Data were collected from 1 station(s). Station Code(s): SP_2018_Fish (SP_2018_Fish-East San Pedro Bay).
Temporal Representation:
Data for this line of evidence were collected between 2018-10-02 and 2018-10-02. When composited fish were collected over multiple days, the first day of fish collection was used as the sample date in the LOE, both for LOE writing, and for averaging period purposes.
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135768, Toxaphene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
267877
Pollutant:
Toxaphene
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for Toxaphene. Although a total of 5 samples were collected, 5 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
The toxaphene criterion continuous concentration (expressed as a 4-day average) to protect aquatic life in saline water is 0.0002 ug/L (California Toxics Rule, 2000).
The samples were collected at 1 monitoring site: SP-RW-18 (SP-RW-18-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-01-10 to 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135768, Toxaphene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
267921
Pollutant:
Toxaphene
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for Toxaphene. Although a total of 5 samples were collected, 5 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
The toxaphene criterion continuous concentration (expressed as a 4-day average) to protect aquatic life in saline water is 0.0002 ug/L (California Toxics Rule, 2000).
The samples were collected at 1 monitoring site: SP-RW-20 (SP-RW-20-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-01-10 to 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135768, Toxaphene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
267692
Pollutant:
Toxaphene
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for Toxaphene. Although a total of 5 samples were collected, 5 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
The samples were collected at 1 monitoring site: SP-RW-19 (SP-RW-19-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-01-10 to 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135768, Toxaphene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
267881
Pollutant:
Toxaphene
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for Toxaphene. Although a total of 5 samples were collected, 5 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
The samples were collected at 1 monitoring site: SP-RW-18 (SP-RW-18-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-01-10 to 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135768, Toxaphene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
267807
Pollutant:
Toxaphene
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for Toxaphene. Although a total of 5 samples were collected, 5 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
The samples were collected at 1 monitoring site: SP-RW-20 (SP-RW-20-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-01-10 to 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135768, Toxaphene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
245168
Pollutant:
Toxaphene
LOE Subgroup:
Pollutant-Tissue
Matrix:
Tissue
Fraction:
Fish fillet
Beneficial Use:
Marine Habitat
Number of Samples:
3
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows 0 of the 3 samples exceeded the water quality threshold for Toxaphene. Data were collected for 7 fish species (3 composite(s) of Northern Anchovy each composed of NA fish per composite, 1 composite(s) of White Croaker each composed of 4 fish per composite, 1 composite(s) of White Croaker each composed of 5 fish per composite, 1 composite(s) of White Croaker each composed of 6 fish per composite, 1 composite(s) of California Halibut each composed of 1 fish per composite, 1 composite(s) of California Halibut each composed of 6 fish per composite, 1 composite(s) of California Halibut each composed of 10 fish per composite).
The Water Quality Control Plan for the Los Angeles Region (page 3-29) states that: Toxic pollutants shall not be present at levels that will bioaccumulate in aquatic life to levels which are harmful to aquatic life or human health.
National Academy of Science guidelines (NAS 1972) establish a maximum toxaphene concentration of 100 ug/Kg (wet weight) in tissue samples for protection of aquatic life from bioaccumulation of toxic substances.
Data were collected from 1 station(s). Station Code(s): SP_2018_Fish (SP_2018_Fish-East San Pedro Bay).
Temporal Representation:
Data for this line of evidence were collected between 2018-10-02 and 2018-10-02. When composited fish were collected over multiple days, the first day of fish collection was used as the sample date in the LOE, both for LOE writing, and for averaging period purposes.
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135768, Toxaphene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
252750
Pollutant:
Toxaphene
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed LA County MS4 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for Toxaphene. Although a total of 3 samples were collected, 3 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
Line of Evidence (LOE) for Decision ID 135768, Toxaphene
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
267925
Pollutant:
Toxaphene
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed City of LB Integrated Monitoring for MS4 Permit data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for Toxaphene. Although a total of 6 samples were collected, 6 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
Do Not List on 303(d) list (TMDL required list)(2018)
Revision Status
Revised
Impairment from Pollutant or Pollution:
Pollutant
Regional Board Conclusion:
This pollutant is being considered for placement on the CWA section 303(d) List under section 3.2 of the Listing Policy. Under section 3.2 a single line of evidence are necessary to assess listing status.
1 line of evidence is available in the administrative record to assess this pollutant. 0 of 48 samples exceeded the OBJECTIVE.
Based on the readily available data and information, the weight of evidence indicates that there is sufficient justification against placing this water segment-pollutant combination on the CWA section 303(d) List. This conclusion is based on the staff findings that: 1. The data used satisfies the data quality requirements of section 6.1.4 of the Policy. 2. The data used satisfies the data quantity requirements of section 6.1.5 of the Policy. 3. 0 of 48 samples exceeded the OBJECTIVE and this does not exceed the allowable frequency listed in Table 3.2 of the Listing Policy. 4. Pursuant to SECTION 3.11 of the Listing Policy, no additional data and information are available indicating that standards are not met.
Regional Board Decision Recommendation:
After review of the available data and information, RWQCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list because applicable water quality standards are not being exceeded.
State Board Review of Regional Board Conclusion and Recommendation:
State Board Decision Recommendation:
After review of this Regional Board decision, SWRCB staff recommend the decision be approved by the State Board.
Listing Extent:
Line of Evidence (LOE) for Decision ID 135761, pH
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
88061
Pollutant:
pH
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Dissolved
Beneficial Use:
Marine Habitat
Number of Samples:
9
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Numeric data generated from 9 minimums and maximums had no exceedences.
Samples were collected twice in August 2006 and once in September 2006.
Environmental Conditions:
QAPP Information:
NPDES quality assurance.
QAPP Information Reference(s):
Line of Evidence (LOE) for Decision ID 135761, pH
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
264882
Pollutant:
pH
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
None
Beneficial Use:
Marine Habitat
Number of Samples:
3
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 3 samples exceeded the water quality threshold for pH.
Water Quality Control Plan, Los Angeles Basin: the pH for inland surface waters, bays, or estuaries shall not be depressed below 6.5 or raised above 8.5 as a result of waste discharges.
The samples were collected at 1 monitoring site: SP-RW-19 (SP-RW-19-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2014-09-26 and 2015-07-07
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 7 samples exceeded the water quality threshold for pH.
Water Quality Control Plan, Los Angeles Basin: the pH for inland surface waters, bays, or estuaries shall not be depressed below 6.5 or raised above 8.5 as a result of waste discharges.
The samples were collected at 1 monitoring site: SP-RW-19 (SP-RW-19-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2015-10-05 and 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 3 samples exceeded the water quality threshold for pH.
Water Quality Control Plan, Los Angeles Basin: the pH for inland surface waters, bays, or estuaries shall not be depressed below 6.5 or raised above 8.5 as a result of waste discharges.
The samples were collected at 1 monitoring site: SP-RW-20 (SP-RW-20-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2014-09-26 and 2015-07-07
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 7 samples exceeded the water quality threshold for pH.
Water Quality Control Plan, Los Angeles Basin: the pH for inland surface waters, bays, or estuaries shall not be depressed below 6.5 or raised above 8.5 as a result of waste discharges.
The samples were collected at 1 monitoring site: SP-RW-20 (SP-RW-20-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2015-10-05 and 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Water Board staff assessed City of LB Integrated Monitoring for MS4 Permit data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 8 samples exceeded the water quality threshold for pH.
Water Quality Control Plan, Los Angeles Basin: the pH for inland surface waters, bays, or estuaries shall not be depressed below 6.5 or raised above 8.5 as a result of waste discharges.
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 7 samples exceeded the water quality threshold for pH.
Water Quality Control Plan, Los Angeles Basin: the pH for inland surface waters, bays, or estuaries shall not be depressed below 6.5 or raised above 8.5 as a result of waste discharges.
The samples were collected at 1 monitoring site: SP-RW-18 (SP-RW-18-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2015-10-05 and 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 4 samples exceeded the water quality threshold for pH.
Water Quality Control Plan, Los Angeles Basin: the pH for inland surface waters, bays, or estuaries shall not be depressed below 6.5 or raised above 8.5 as a result of waste discharges.
The samples were collected at 1 monitoring site: SP-RW-18 (SP-RW-18-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2014-09-26 and 2015-07-07
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
List on 303(d) list (being addressed by USEPA approved TMDL)
Last Listing Cycle's Final Listing Decision:
Delist from 303(d) list (TMDL required list)(2018)
Revision Status
Revised
Sources:
A Source Unknown
TMDL Name:
Dominguez, LA/LB Harbors, San Pedro Bay Metals (75 & 78), toxics(73a) and PAHs (74)
TMDL Project Code:
416
Date TMDL Approved by USEPA:
03/23/2012
Impairment from Pollutant or Pollution:
Pollutant
Regional Board Conclusion:
This pollutant is being considered for placement on the CWA section 303(d) List under section 3.6 of the Listing Policy. Under section 3.6 at least two lines of evidence are necessary to assess listing status for pollutants sediment, and pollutant concentrations in sediment must be associated with sediment toxicity to justify adding that pollutant to the CWA section 303(d) List.
Two lines of evidence are available in the administrative record to assess this pollutant.
Line of Evidence (LOE) 4150, will not be considered in this decision because the LOE is a placeholder LOE and other data is available to assess the water-segment pollutant combination.
Based on the readily available data and information, the weight of evidence indicates that there is insufficient justification for placing this water segment-pollutant combination on the CWA section 303(d) List.
This conclusion is based on the staff findings that: 1. The data used satisfies the data quality requirements of section 6.1.4 of the Policy. 2. The data used satisfies the data quantity requirements of section 6.1.5 of the Policy. 3. Zero of 77 surface sediment samples exceeded the guideline for copper in marine sediment and this meets the allowable frequency listed in Table 3.1 of the Listing Policy. 4. 5 of 43 water samples exceeded the criteria for copper in water and this exceeds the allowable frequency listed in Table 3.1 of the Listing Policy. 5. Pursuant to section 3.11 of the Listing Policy, no additional data and information are available indicating that standards are not met.
Regional Board Decision Recommendation:
After review of the available data and information, RWQCB staff concludes that the water body-pollutant combination should be placed on the section 303(d) list because applicable water quality standards are exceeded and a pollutant contributes to or causes the problem.
State Board Review of Regional Board Conclusion and Recommendation:
State Board Decision Recommendation:
After review of this Regional Board decision, SWRCB staff recommend the decision be approved by the State Board.
Listing Extent:
Line of Evidence (LOE) for Decision ID 135756, Copper
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
247644
Pollutant:
Copper
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Copper .
Waste discharged to the ocean must be essentially free of... Substances which will accumulate to toxic levels in marine waters, sediments or biota. (Chapter III Section A. 2 (b)(3) of the Ocean Plan)
Line of Evidence (LOE) for Decision ID 135756, Copper
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
247538
Pollutant:
Copper
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Copper .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135756, Copper
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
244540
Pollutant:
Toxicity
LOE Subgroup:
Toxicity
Matrix:
Sediment
Fraction:
None
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
TOXICITY TESTING
Data Used to Assess Water Quality:
0 of the 1 samples collected by Harbor Toxics TMDL Compliance Water Quality for San Pedro Bay Near/Off Shore Zones exhibited toxicity. A sample may have multiple toxicity test results, but will only be counted once. A sample is defined as being collected on the same day and the same location. The following organisms and parameters were utilized for the toxicity tests: Eohaustorius estuarius for Survival, Mytilus galloprovincialis for Normal Development.
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
The sample is toxic when the response of the organisms exposed to the sample is significantly different (worse) than the response of the organisms exposed to the laboratory control based on statistical hypothesis testing. An exceedance is counted when the significant effect code is “Significant; Less Similarity,” which means that the sample result is significantly different than the control result, and the percent effect is greater than the evaluation threshold. The default evaluation threshold is 20% unless otherwise stated.
The samples were collected at monitoring site: SP-SS-20 ( SP-SS-20-East San Pedro Bay ).
Temporal Representation:
The samples were collected between the dates of 2018-08-09 and 2018-08-09.
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135756, Copper
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
244528
Pollutant:
Toxicity
LOE Subgroup:
Toxicity
Matrix:
Sediment
Fraction:
None
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
TOXICITY TESTING
Data Used to Assess Water Quality:
0 of the 1 samples collected by Harbor Toxics TMDL Compliance Water Quality for San Pedro Bay Near/Off Shore Zones exhibited toxicity. A sample may have multiple toxicity test results, but will only be counted once. A sample is defined as being collected on the same day and the same location. The following organisms and parameters were utilized for the toxicity tests: Mytilus galloprovincialis for Normal Development, Eohaustorius estuarius for Survival.
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
The sample is toxic when the response of the organisms exposed to the sample is significantly different (worse) than the response of the organisms exposed to the laboratory control based on statistical hypothesis testing. An exceedance is counted when the significant effect code is “Significant; Less Similarity,” which means that the sample result is significantly different than the control result, and the percent effect is greater than the evaluation threshold. The default evaluation threshold is 20% unless otherwise stated.
The samples were collected at monitoring site: SP-SS-18 ( SP-SS-18-East San Pedro Bay ).
Temporal Representation:
The samples were collected between the dates of 2018-08-09 and 2018-08-09.
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135756, Copper
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
244538
Pollutant:
Toxicity
LOE Subgroup:
Toxicity
Matrix:
Sediment
Fraction:
None
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
TOXICITY TESTING
Data Used to Assess Water Quality:
0 of the 1 samples collected by Harbor Toxics TMDL Compliance Water Quality for San Pedro Bay Near/Off Shore Zones exhibited toxicity. A sample may have multiple toxicity test results, but will only be counted once. A sample is defined as being collected on the same day and the same location. The following organisms and parameters were utilized for the toxicity tests: Mytilus galloprovincialis for Normal Development, Eohaustorius estuarius for Survival.
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
The sample is toxic when the response of the organisms exposed to the sample is significantly different (worse) than the response of the organisms exposed to the laboratory control based on statistical hypothesis testing. An exceedance is counted when the significant effect code is “Significant; Less Similarity,” which means that the sample result is significantly different than the control result, and the percent effect is greater than the evaluation threshold. The default evaluation threshold is 20% unless otherwise stated.
The samples were collected at monitoring site: SP-SS-19 ( SP-SS-19-East San Pedro Bay ).
Temporal Representation:
The samples were collected between the dates of 2018-08-09 and 2018-08-09.
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
California Toxics Rule (CTR) lists criterion continuous concentrations to protect aquatic life in marine waters. The CTR value is 3.1 ug/L for dissolved copper in saltwater.
A total of two grab samples were collected during each sampling event from outside the Downtown Shoreline marina basin (Sites 7 & 8). Sample results were averaged per sample event, resulting in one sample result per sampling event.
Temporal Representation:
Samples were collected on three separate sampling events during the dry season (July - October) in 2006.
Environmental Conditions:
Samples were collected during the dry season only.
QAPP Information:
Samples were collected and analyzed in accordance with a Quality Assurance Project Plan that was prepared per State Water Resources Control Board Agreement No. 05-218-250 California Department of Pesticide Regulation, Sacramento, CA. (Available online at http://www.cdpr.ca.gov/docs/emon/surfwtr/protocols/qapp_study236.pdf)
QAPP Information Reference(s):
Line of Evidence (LOE) for Decision ID 135756, Copper
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
28529
Pollutant:
Copper
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Aquatic Life Use:
Preservation of Rare & Endangered Species
Number of Samples:
59
Number of Exceedances:
0
Data and Information Type:
Toxicity testing of sediments
Data Used to Assess Water Quality:
Zero of 59 samples exceeded the effects range median for copper in marine sediment.
The Basin Plan states that, "[s]urface waters shall not contain concentrations of chemical constituents in amounts that adversely affect any designated beneficial use."
Several state sponsored studies were collecting sediment samples in San Pedro Bay near/off shore zones, including BPTCP 1992-94, BPTCP 1996-97; Bight 1998; Bight 2003.
Temporal Representation:
Composite surface sediment samples were taken and analyzed during spring/summer/fall.
Environmental Conditions:
QAPP Information:
Data was collected in compliance with the sampling and monitoring procedures detailed in Bay Protection Toxics Clean Program, Bight 1998, and Bight 2003 Quality Assurance Manual.
The Basin Plan states that, "[a]ll waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in human, plant, animal, or aquatic life."
Bay et. al. classifies sediment toxicity based on the following survival percentages: Non toxic if greater than or equal to 80% survival; moderately toxic if between 50 to 80% survival; and highly toxic if less than 50% survival.
A total of three stations were monitored in the San Pedro Bay near/off shore zones which include the following stations:
4066 (Lat: 33.74137, Long: -118.11663),
4274 (Lat: 33.7282833333, Long: -118.157083333), and
4408 (Lat: 33.75495, Long: -118.163533333).
Temporal Representation:
Composite surface sediment samples were taken on 07/21/2003 for station 4066, on 07/16/2003 and 08/07/2003 for stations 4098 and 4274.
Environmental Conditions:
QAPP Information:
Data was collected in compliance with the sampling and monitoring procedures detailed in Southern California Bight 2003 Regional Marine Monitoring Survey Quality Assurance Manual.
Line of Evidence (LOE) for Decision ID 135756, Copper
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
102
Pollutant:
Sediment Toxicity
LOE Subgroup:
Toxicity
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
50
Number of Exceedances:
13
Data and Information Type:
Toxicity testing of sediments
Data Used to Assess Water Quality:
Overall, thirteen of 50 samples were toxic. This total was created from several different sediment studies within San Pedro Bay. Eleven of 33 samples were toxic (BPTCP). Two of 14 samples were toxic (Bight, 1998). None of three samples were toxic (W-EMAP) (LARWQCB & CCC, 2004).
Los Angeles RWQCB Basin Plan: All waters should be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological response in, human, plant, animal, or aquatic life.
Samples were considered toxic if (1) there was a significant difference in mean organism response between the sample and the control, and (2) the mean organism response in the test, as a percent of the control, was less than the threshold based on the 90th percentile minimum significant difference value.
Fifty sites were sampled throughout San Pedro Bay.
Temporal Representation:
Samples were collected in 1992, 1994, 1996, 1998 and 1999.
Environmental Conditions:
QAPP Information:
Contaminated Sediment Task Force (2005) and references therein (BPTCP QAPP, Bight 98 QAPP, EMAP 1999 QAPP).
QAPP Information Reference(s):
Line of Evidence (LOE) for Decision ID 135756, Copper
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
247518
Pollutant:
Copper
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Copper .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135756, Copper
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
252278
Pollutant:
Copper
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Dissolved
Beneficial Use:
Marine Habitat
Number of Samples:
8
Number of Exceedances:
2
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed LA County MS4 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 2 of 8 samples exceeded the water quality threshold for Copper.
The dissolved copper criterion continuous concentration (expressed as a 4-day average) to protect aquatic life in saline water is 3.1 ug/L (California Toxics Rule, 2000).
Line of Evidence (LOE) for Decision ID 135756, Copper
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
252191
Pollutant:
Copper
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Dissolved
Beneficial Use:
Marine Habitat
Number of Samples:
3
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed LA County MS4 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 3 samples exceeded the water quality threshold for Copper.
The dissolved copper criterion continuous concentration (expressed as a 4-day average) to protect aquatic life in saline water is 3.1 ug/L (California Toxics Rule, 2000).
Line of Evidence (LOE) for Decision ID 135756, Copper
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
252122
Pollutant:
Copper
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Dissolved
Beneficial Use:
Marine Habitat
Number of Samples:
3
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed LA County MS4 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 3 samples exceeded the water quality threshold for Copper.
The dissolved copper criterion continuous concentration (expressed as a 4-day average) to protect aquatic life in saline water is 3.1 ug/L (California Toxics Rule, 2000).
Line of Evidence (LOE) for Decision ID 135756, Copper
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
259043
Pollutant:
Copper
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Dissolved
Beneficial Use:
Marine Habitat
Number of Samples:
6
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 6 samples exceeded the water quality threshold for Copper.
The dissolved copper criterion continuous concentration (expressed as a 4-day average) to protect aquatic life in saline water is 3.1 ug/L (California Toxics Rule, 2000).
The samples were collected at 1 monitoring site: SP-RW-19 (SP-RW-19-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2017-09-05 and 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135756, Copper
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
259191
Pollutant:
Copper
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Dissolved
Beneficial Use:
Marine Habitat
Number of Samples:
6
Number of Exceedances:
1
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 1 of 6 samples exceeded the water quality threshold for Copper.
The dissolved copper criterion continuous concentration (expressed as a 4-day average) to protect aquatic life in saline water is 3.1 ug/L (California Toxics Rule, 2000).
The samples were collected at 1 monitoring site: SP-RW-18 (SP-RW-18-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2017-09-05 and 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135756, Copper
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
258983
Pollutant:
Copper
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Dissolved
Beneficial Use:
Marine Habitat
Number of Samples:
6
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 6 samples exceeded the water quality threshold for Copper.
The dissolved copper criterion continuous concentration (expressed as a 4-day average) to protect aquatic life in saline water is 3.1 ug/L (California Toxics Rule, 2000).
The samples were collected at 1 monitoring site: SP-RW-20 (SP-RW-20-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2017-09-05 and 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135756, Copper
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
247194
Pollutant:
Copper
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Copper .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-18 (SP-SS-18-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135756, Copper
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
247615
Pollutant:
Copper
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Copper .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135756, Copper
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
247611
Pollutant:
Copper
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Copper .
Waste discharged to the ocean must be essentially free of... Substances which will accumulate to toxic levels in marine waters, sediments or biota. (Chapter III Section A. 2 (b)(3) of the Ocean Plan)
Line of Evidence (LOE) for Decision ID 135756, Copper
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
247293
Pollutant:
Copper
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Copper .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135756, Copper
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
247503
Pollutant:
Copper
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Copper .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135756, Copper
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
247172
Pollutant:
Copper
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Copper .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135756, Copper
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
247055
Pollutant:
Copper
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Copper .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135756, Copper
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
247363
Pollutant:
Copper
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Copper .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135756, Copper
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
247243
Pollutant:
Copper
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Copper .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-20 (SP-SS-20-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135756, Copper
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
247458
Pollutant:
Copper
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Copper .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135756, Copper
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
247242
Pollutant:
Copper
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Copper .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135756, Copper
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
247660
Pollutant:
Copper
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Copper .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135756, Copper
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
247541
Pollutant:
Copper
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Copper .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135756, Copper
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
258891
Pollutant:
Copper
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Dissolved
Beneficial Use:
Marine Habitat
Number of Samples:
8
Number of Exceedances:
2
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed City of LB Integrated Monitoring for MS4 Permit data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 2 of 8 samples exceeded the water quality threshold for Copper.
The dissolved copper criterion continuous concentration (expressed as a 4-day average) to protect aquatic life in saline water is 3.1 ug/L (California Toxics Rule, 2000).
Line of Evidence (LOE) for Decision ID 135756, Copper
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
247219
Pollutant:
Copper
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Copper .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-19 (SP-SS-19-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135756, Copper
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
247217
Pollutant:
Copper
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Copper .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
List on 303(d) list (being addressed by USEPA approved TMDL)
Last Listing Cycle's Final Listing Decision:
New Decision
Revision Status
Revised
Sources:
A Source Unknown
TMDL Name:
Dominguez, LA/LB Harbors, San Pedro Bay Metals (75 & 78), toxics(73a) and PAHs (74)
TMDL Project Code:
416
Date TMDL Approved by USEPA:
03/23/2012
Impairment from Pollutant or Pollution:
Pollutant
Regional Board Conclusion:
This pollutant is being considered for placement on the CWA section 303(d) List under section 3.1 of the Listing Policy. Under section 3.1 a single line of evidence is necessary to assess listing status.
Based on the readily available data and information, the weight of evidence indicates that there is sufficient justification in favor of placing this water segment-pollutant combination on the CWA section 303(d) List.
This conclusion is based on the staff findings that: 1. The data used satisfies the data quality requirements of section 6.1.4 of the Policy. 2. The data used satisfies the data quantity requirements of section 6.1.5 of the Policy. 3. 3 of 3 samples exceed the criteria and this exceeds the allowable frequency listed in Table 3.1 of the Listing Policy. 4. Pursuant to section 3.11 of the Listing Policy, no additional data and information are available indicating that standards are not met.
There is sufficient justification to place this waterbody/pollutant in the Being Addressed portion of the CWA 303(d) List because a TMDL has been completed and approved by USEPA, and is expected to result in attainment of the standard.
This conclusion is based on the staff findings that: 1. The Dominguez Channel and Los Angeles and Long Beach Harbors Toxics and Metals TMDL was approved by USEPA on 03/23/2012.
Regional Board Decision Recommendation:
After review of the available data and information, RWQCB staff concludes that the water body-pollutant combination should be placed on the section 303(d) list because applicable water quality standards are exceeded and a pollutant contributes to or causes the problem.
State Board Review of Regional Board Conclusion and Recommendation:
State Board Decision Recommendation:
After review of this Regional Board decision, SWRCB staff recommend the decision be approved by the State Board.
Listing Extent:
Line of Evidence (LOE) for Decision ID 149846, DDE (Dichlorodiphenyldichloroethylene)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
259930
Pollutant:
DDE (Dichlorodiphenyldichloroethylene)
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
1
Number of Exceedances:
1
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 1 of the 1 samples exceeded the water quality threshold for DDE(p,p'). Although a total of 5 samples were collected, 4 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
The samples were collected at 1 monitoring site (SP-RW-20).
Temporal Representation:
Data for this waterbody was collected over the date range 2018-01-10 to 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 149846, DDE (Dichlorodiphenyldichloroethylene)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
259505
Pollutant:
DDE (Dichlorodiphenyldichloroethylene)
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
2
Number of Exceedances:
2
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 2 of the 2 samples exceeded the water quality threshold for DDE(p,p'). Although a total of 5 samples were collected, 3 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
The samples were collected at 1 monitoring site (SP-RW-19).
Temporal Representation:
Data for this waterbody was collected over the date range 2018-01-10 to 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 149846, DDE (Dichlorodiphenyldichloroethylene)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
252175
Pollutant:
DDE (Dichlorodiphenyldichloroethylene)
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed LA County MS4 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for DDE(p,p'). Although a total of 3 samples were collected, 3 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
Line of Evidence (LOE) for Decision ID 149846, DDE (Dichlorodiphenyldichloroethylene)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
259524
Pollutant:
DDE (Dichlorodiphenyldichloroethylene)
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for DDE(p,p'). Although a total of 5 samples were collected, 5 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
The samples were collected at 1 monitoring site: SP-RW-18 (SP-RW-18-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-01-10 to 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 149846, DDE (Dichlorodiphenyldichloroethylene)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
259729
Pollutant:
DDE (Dichlorodiphenyldichloroethylene)
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed City of LB Integrated Monitoring for MS4 Permit data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for DDE(p,p'). Although a total of 7 samples were collected, 7 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
List on 303(d) list (being addressed by USEPA approved TMDL)
Last Listing Cycle's Final Listing Decision:
Delist from 303(d) list (TMDL required list)(2018)
Revision Status
Revised
Sources:
A Source Unknown
TMDL Name:
Dominguez, LA/LB Harbors, San Pedro Bay Metals (75 & 78), toxics(73a) and PAHs (74)
TMDL Project Code:
416
Date TMDL Approved by USEPA:
03/23/2012
Impairment from Pollutant or Pollution:
Pollutant
Regional Board Conclusion:
This pollutant is being considered for placement on the CWA section 303(d) List under section 3.6 of the Listing Policy. Under section 3.6 at least two lines of evidence are necessary to assess listing status for pollutants sediment, and pollutant concentrations in sediment must be associated with sediment toxicity to justify adding that pollutant to the CWA section 303(d) List.
Two lines of evidence are available in the administrative record to assess this pollutant.
Line of Evidence (LOE) 4150, will not be considered in this decision because the LOE is a placeholder LOE and other data is available to assess the water-segment pollutant combination.
Based on the readily available data and information, the weight of evidence indicates that there is insufficient justification for placing this water segment-pollutant combination on the CWA section 303(d) List.
This conclusion is based on the staff findings that: 1. The data used satisfies the data quality requirements of section 6.1.4 of the Policy. 2. The data used satisfies the data quantity requirements of section 6.1.5 of the Policy. 3. Zero of 77 surface sediment samples exceeded the guideline for copper in marine sediment and this meets the allowable frequency listed in Table 3.1 of the Listing Policy. 4. 5 of 43 water samples exceeded the criteria for copper in water and this exceeds the allowable frequency listed in Table 3.1 of the Listing Policy. 5. Pursuant to section 3.11 of the Listing Policy, no additional data and information are available indicating that standards are not met.
Regional Board Decision Recommendation:
After review of the available data and information, RWQCB staff concludes that the water body-pollutant combination should be placed on the section 303(d) list because applicable water quality standards are exceeded and a pollutant contributes to or causes the problem.
State Board Review of Regional Board Conclusion and Recommendation:
State Board Decision Recommendation:
After review of this Regional Board decision, SWRCB staff recommend the decision be approved by the State Board.
Listing Extent:
Line of Evidence (LOE) for Decision ID 135756, Copper
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
247644
Pollutant:
Copper
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Copper .
Waste discharged to the ocean must be essentially free of... Substances which will accumulate to toxic levels in marine waters, sediments or biota. (Chapter III Section A. 2 (b)(3) of the Ocean Plan)
Line of Evidence (LOE) for Decision ID 135756, Copper
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
247538
Pollutant:
Copper
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Copper .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135756, Copper
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
244540
Pollutant:
Toxicity
LOE Subgroup:
Toxicity
Matrix:
Sediment
Fraction:
None
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
TOXICITY TESTING
Data Used to Assess Water Quality:
0 of the 1 samples collected by Harbor Toxics TMDL Compliance Water Quality for San Pedro Bay Near/Off Shore Zones exhibited toxicity. A sample may have multiple toxicity test results, but will only be counted once. A sample is defined as being collected on the same day and the same location. The following organisms and parameters were utilized for the toxicity tests: Eohaustorius estuarius for Survival, Mytilus galloprovincialis for Normal Development.
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
The sample is toxic when the response of the organisms exposed to the sample is significantly different (worse) than the response of the organisms exposed to the laboratory control based on statistical hypothesis testing. An exceedance is counted when the significant effect code is “Significant; Less Similarity,” which means that the sample result is significantly different than the control result, and the percent effect is greater than the evaluation threshold. The default evaluation threshold is 20% unless otherwise stated.
The samples were collected at monitoring site: SP-SS-20 ( SP-SS-20-East San Pedro Bay ).
Temporal Representation:
The samples were collected between the dates of 2018-08-09 and 2018-08-09.
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135756, Copper
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
244528
Pollutant:
Toxicity
LOE Subgroup:
Toxicity
Matrix:
Sediment
Fraction:
None
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
TOXICITY TESTING
Data Used to Assess Water Quality:
0 of the 1 samples collected by Harbor Toxics TMDL Compliance Water Quality for San Pedro Bay Near/Off Shore Zones exhibited toxicity. A sample may have multiple toxicity test results, but will only be counted once. A sample is defined as being collected on the same day and the same location. The following organisms and parameters were utilized for the toxicity tests: Mytilus galloprovincialis for Normal Development, Eohaustorius estuarius for Survival.
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
The sample is toxic when the response of the organisms exposed to the sample is significantly different (worse) than the response of the organisms exposed to the laboratory control based on statistical hypothesis testing. An exceedance is counted when the significant effect code is “Significant; Less Similarity,” which means that the sample result is significantly different than the control result, and the percent effect is greater than the evaluation threshold. The default evaluation threshold is 20% unless otherwise stated.
The samples were collected at monitoring site: SP-SS-18 ( SP-SS-18-East San Pedro Bay ).
Temporal Representation:
The samples were collected between the dates of 2018-08-09 and 2018-08-09.
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135756, Copper
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
244538
Pollutant:
Toxicity
LOE Subgroup:
Toxicity
Matrix:
Sediment
Fraction:
None
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
TOXICITY TESTING
Data Used to Assess Water Quality:
0 of the 1 samples collected by Harbor Toxics TMDL Compliance Water Quality for San Pedro Bay Near/Off Shore Zones exhibited toxicity. A sample may have multiple toxicity test results, but will only be counted once. A sample is defined as being collected on the same day and the same location. The following organisms and parameters were utilized for the toxicity tests: Mytilus galloprovincialis for Normal Development, Eohaustorius estuarius for Survival.
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
The sample is toxic when the response of the organisms exposed to the sample is significantly different (worse) than the response of the organisms exposed to the laboratory control based on statistical hypothesis testing. An exceedance is counted when the significant effect code is “Significant; Less Similarity,” which means that the sample result is significantly different than the control result, and the percent effect is greater than the evaluation threshold. The default evaluation threshold is 20% unless otherwise stated.
The samples were collected at monitoring site: SP-SS-19 ( SP-SS-19-East San Pedro Bay ).
Temporal Representation:
The samples were collected between the dates of 2018-08-09 and 2018-08-09.
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
California Toxics Rule (CTR) lists criterion continuous concentrations to protect aquatic life in marine waters. The CTR value is 3.1 ug/L for dissolved copper in saltwater.
A total of two grab samples were collected during each sampling event from outside the Downtown Shoreline marina basin (Sites 7 & 8). Sample results were averaged per sample event, resulting in one sample result per sampling event.
Temporal Representation:
Samples were collected on three separate sampling events during the dry season (July - October) in 2006.
Environmental Conditions:
Samples were collected during the dry season only.
QAPP Information:
Samples were collected and analyzed in accordance with a Quality Assurance Project Plan that was prepared per State Water Resources Control Board Agreement No. 05-218-250 California Department of Pesticide Regulation, Sacramento, CA. (Available online at http://www.cdpr.ca.gov/docs/emon/surfwtr/protocols/qapp_study236.pdf)
QAPP Information Reference(s):
Line of Evidence (LOE) for Decision ID 135756, Copper
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
28529
Pollutant:
Copper
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Aquatic Life Use:
Preservation of Rare & Endangered Species
Number of Samples:
59
Number of Exceedances:
0
Data and Information Type:
Toxicity testing of sediments
Data Used to Assess Water Quality:
Zero of 59 samples exceeded the effects range median for copper in marine sediment.
The Basin Plan states that, "[s]urface waters shall not contain concentrations of chemical constituents in amounts that adversely affect any designated beneficial use."
Several state sponsored studies were collecting sediment samples in San Pedro Bay near/off shore zones, including BPTCP 1992-94, BPTCP 1996-97; Bight 1998; Bight 2003.
Temporal Representation:
Composite surface sediment samples were taken and analyzed during spring/summer/fall.
Environmental Conditions:
QAPP Information:
Data was collected in compliance with the sampling and monitoring procedures detailed in Bay Protection Toxics Clean Program, Bight 1998, and Bight 2003 Quality Assurance Manual.
The Basin Plan states that, "[a]ll waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in human, plant, animal, or aquatic life."
Bay et. al. classifies sediment toxicity based on the following survival percentages: Non toxic if greater than or equal to 80% survival; moderately toxic if between 50 to 80% survival; and highly toxic if less than 50% survival.
A total of three stations were monitored in the San Pedro Bay near/off shore zones which include the following stations:
4066 (Lat: 33.74137, Long: -118.11663),
4274 (Lat: 33.7282833333, Long: -118.157083333), and
4408 (Lat: 33.75495, Long: -118.163533333).
Temporal Representation:
Composite surface sediment samples were taken on 07/21/2003 for station 4066, on 07/16/2003 and 08/07/2003 for stations 4098 and 4274.
Environmental Conditions:
QAPP Information:
Data was collected in compliance with the sampling and monitoring procedures detailed in Southern California Bight 2003 Regional Marine Monitoring Survey Quality Assurance Manual.
Line of Evidence (LOE) for Decision ID 135756, Copper
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
102
Pollutant:
Sediment Toxicity
LOE Subgroup:
Toxicity
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
50
Number of Exceedances:
13
Data and Information Type:
Toxicity testing of sediments
Data Used to Assess Water Quality:
Overall, thirteen of 50 samples were toxic. This total was created from several different sediment studies within San Pedro Bay. Eleven of 33 samples were toxic (BPTCP). Two of 14 samples were toxic (Bight, 1998). None of three samples were toxic (W-EMAP) (LARWQCB & CCC, 2004).
Los Angeles RWQCB Basin Plan: All waters should be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological response in, human, plant, animal, or aquatic life.
Samples were considered toxic if (1) there was a significant difference in mean organism response between the sample and the control, and (2) the mean organism response in the test, as a percent of the control, was less than the threshold based on the 90th percentile minimum significant difference value.
Fifty sites were sampled throughout San Pedro Bay.
Temporal Representation:
Samples were collected in 1992, 1994, 1996, 1998 and 1999.
Environmental Conditions:
QAPP Information:
Contaminated Sediment Task Force (2005) and references therein (BPTCP QAPP, Bight 98 QAPP, EMAP 1999 QAPP).
QAPP Information Reference(s):
Line of Evidence (LOE) for Decision ID 135756, Copper
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
247518
Pollutant:
Copper
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Copper .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135756, Copper
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
252278
Pollutant:
Copper
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Dissolved
Beneficial Use:
Marine Habitat
Number of Samples:
8
Number of Exceedances:
2
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed LA County MS4 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 2 of 8 samples exceeded the water quality threshold for Copper.
The dissolved copper criterion continuous concentration (expressed as a 4-day average) to protect aquatic life in saline water is 3.1 ug/L (California Toxics Rule, 2000).
Line of Evidence (LOE) for Decision ID 135756, Copper
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
252191
Pollutant:
Copper
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Dissolved
Beneficial Use:
Marine Habitat
Number of Samples:
3
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed LA County MS4 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 3 samples exceeded the water quality threshold for Copper.
The dissolved copper criterion continuous concentration (expressed as a 4-day average) to protect aquatic life in saline water is 3.1 ug/L (California Toxics Rule, 2000).
Line of Evidence (LOE) for Decision ID 135756, Copper
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
252122
Pollutant:
Copper
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Dissolved
Beneficial Use:
Marine Habitat
Number of Samples:
3
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed LA County MS4 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 3 samples exceeded the water quality threshold for Copper.
The dissolved copper criterion continuous concentration (expressed as a 4-day average) to protect aquatic life in saline water is 3.1 ug/L (California Toxics Rule, 2000).
Line of Evidence (LOE) for Decision ID 135756, Copper
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
259043
Pollutant:
Copper
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Dissolved
Beneficial Use:
Marine Habitat
Number of Samples:
6
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 6 samples exceeded the water quality threshold for Copper.
The dissolved copper criterion continuous concentration (expressed as a 4-day average) to protect aquatic life in saline water is 3.1 ug/L (California Toxics Rule, 2000).
The samples were collected at 1 monitoring site: SP-RW-19 (SP-RW-19-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2017-09-05 and 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135756, Copper
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
259191
Pollutant:
Copper
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Dissolved
Beneficial Use:
Marine Habitat
Number of Samples:
6
Number of Exceedances:
1
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 1 of 6 samples exceeded the water quality threshold for Copper.
The dissolved copper criterion continuous concentration (expressed as a 4-day average) to protect aquatic life in saline water is 3.1 ug/L (California Toxics Rule, 2000).
The samples were collected at 1 monitoring site: SP-RW-18 (SP-RW-18-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2017-09-05 and 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135756, Copper
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
258983
Pollutant:
Copper
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Dissolved
Beneficial Use:
Marine Habitat
Number of Samples:
6
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 0 of 6 samples exceeded the water quality threshold for Copper.
The dissolved copper criterion continuous concentration (expressed as a 4-day average) to protect aquatic life in saline water is 3.1 ug/L (California Toxics Rule, 2000).
The samples were collected at 1 monitoring site: SP-RW-20 (SP-RW-20-East San Pedro Bay).
Temporal Representation:
The samples were collected between the dates of 2017-09-05 and 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135756, Copper
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
247194
Pollutant:
Copper
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Copper .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-18 (SP-SS-18-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135756, Copper
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
247615
Pollutant:
Copper
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Copper .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135756, Copper
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
247611
Pollutant:
Copper
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Copper .
Waste discharged to the ocean must be essentially free of... Substances which will accumulate to toxic levels in marine waters, sediments or biota. (Chapter III Section A. 2 (b)(3) of the Ocean Plan)
Line of Evidence (LOE) for Decision ID 135756, Copper
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
247293
Pollutant:
Copper
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Copper .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135756, Copper
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
247503
Pollutant:
Copper
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Copper .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135756, Copper
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
247172
Pollutant:
Copper
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Copper .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135756, Copper
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
247055
Pollutant:
Copper
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Copper .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135756, Copper
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
247363
Pollutant:
Copper
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Copper .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135756, Copper
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
247243
Pollutant:
Copper
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Copper .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-20 (SP-SS-20-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135756, Copper
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
247458
Pollutant:
Copper
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2013 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Copper .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135756, Copper
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
247242
Pollutant:
Copper
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Copper .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135756, Copper
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
247660
Pollutant:
Copper
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Copper .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135756, Copper
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
247541
Pollutant:
Copper
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Copper .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Line of Evidence (LOE) for Decision ID 135756, Copper
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
258891
Pollutant:
Copper
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Dissolved
Beneficial Use:
Marine Habitat
Number of Samples:
8
Number of Exceedances:
2
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed City of LB Integrated Monitoring for MS4 Permit data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and results are as follows: 2 of 8 samples exceeded the water quality threshold for Copper.
The dissolved copper criterion continuous concentration (expressed as a 4-day average) to protect aquatic life in saline water is 3.1 ug/L (California Toxics Rule, 2000).
Line of Evidence (LOE) for Decision ID 135756, Copper
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
247219
Pollutant:
Copper
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Copper .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
Data were collected from 1 station(s). Station Code(s): SP-SS-19 (SP-SS-19-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-08-09 to 2018-08-09
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 135756, Copper
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
247217
Pollutant:
Copper
LOE Subgroup:
Pollutant-Sediment
Matrix:
Sediment
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Southern California Bight Project 2018 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 0 of the 1 samples exceeded the evaluation guideline for Copper .
All waters shall be maintained free of toxic substances in concentrations that are toxic to, or that produce detrimental physiological responses in, human, plant, animal, or aquatic life.
List on 303(d) list (being addressed by USEPA approved TMDL)
Last Listing Cycle's Final Listing Decision:
New Decision
Revision Status
Revised
Sources:
A Source Unknown
TMDL Name:
Dominguez, LA/LB Harbors, San Pedro Bay Metals (75 & 78), toxics(73a) and PAHs (74)
TMDL Project Code:
416
Date TMDL Approved by USEPA:
03/23/2012
Impairment from Pollutant or Pollution:
Pollutant
Regional Board Conclusion:
This pollutant is being considered for placement on the CWA section 303(d) List under section 3.1 of the Listing Policy. Under section 3.1 a single line of evidence is necessary to assess listing status.
Based on the readily available data and information, the weight of evidence indicates that there is sufficient justification in favor of placing this water segment-pollutant combination on the CWA section 303(d) List.
This conclusion is based on the staff findings that: 1. The data used satisfies the data quality requirements of section 6.1.4 of the Policy. 2. The data used satisfies the data quantity requirements of section 6.1.5 of the Policy. 3. 3 of 3 samples exceed the criteria and this exceeds the allowable frequency listed in Table 3.1 of the Listing Policy. 4. Pursuant to section 3.11 of the Listing Policy, no additional data and information are available indicating that standards are not met.
There is sufficient justification to place this waterbody/pollutant in the Being Addressed portion of the CWA 303(d) List because a TMDL has been completed and approved by USEPA, and is expected to result in attainment of the standard.
This conclusion is based on the staff findings that: 1. The Dominguez Channel and Los Angeles and Long Beach Harbors Toxics and Metals TMDL was approved by USEPA on 03/23/2012.
Regional Board Decision Recommendation:
After review of the available data and information, RWQCB staff concludes that the water body-pollutant combination should be placed on the section 303(d) list because applicable water quality standards are exceeded and a pollutant contributes to or causes the problem.
State Board Review of Regional Board Conclusion and Recommendation:
State Board Decision Recommendation:
After review of this Regional Board decision, SWRCB staff recommend the decision be approved by the State Board.
Listing Extent:
Line of Evidence (LOE) for Decision ID 149846, DDE (Dichlorodiphenyldichloroethylene)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
259930
Pollutant:
DDE (Dichlorodiphenyldichloroethylene)
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
1
Number of Exceedances:
1
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 1 of the 1 samples exceeded the water quality threshold for DDE(p,p'). Although a total of 5 samples were collected, 4 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
The samples were collected at 1 monitoring site (SP-RW-20).
Temporal Representation:
Data for this waterbody was collected over the date range 2018-01-10 to 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 149846, DDE (Dichlorodiphenyldichloroethylene)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
259505
Pollutant:
DDE (Dichlorodiphenyldichloroethylene)
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
2
Number of Exceedances:
2
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support and the results are as follows: 2 of the 2 samples exceeded the water quality threshold for DDE(p,p'). Although a total of 5 samples were collected, 3 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
The samples were collected at 1 monitoring site (SP-RW-19).
Temporal Representation:
Data for this waterbody was collected over the date range 2018-01-10 to 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 149846, DDE (Dichlorodiphenyldichloroethylene)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
252175
Pollutant:
DDE (Dichlorodiphenyldichloroethylene)
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed LA County MS4 data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for DDE(p,p'). Although a total of 3 samples were collected, 3 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
Line of Evidence (LOE) for Decision ID 149846, DDE (Dichlorodiphenyldichloroethylene)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
259524
Pollutant:
DDE (Dichlorodiphenyldichloroethylene)
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed Harbor Toxics TMDL Compliance Water Quality data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for DDE(p,p'). Although a total of 5 samples were collected, 5 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
The samples were collected at 1 monitoring site: SP-RW-18 (SP-RW-18-East San Pedro Bay).
Temporal Representation:
Data for this waterbody were collected over the date range 2018-01-10 to 2018-11-30
Environmental Conditions:
QAPP Information:
Anchor QEA, LLC. 2014. DRAFT PROGRAMMATIC QUALITY ASSURANCE PROJECT PLAN SUPPORTING COMPLIANCE MONITORING AND SPECIAL STUDIES RELATED TO THE HARBOR TOXICS TOTAL MAXIMUM DAILY LOAD.
Line of Evidence (LOE) for Decision ID 149846, DDE (Dichlorodiphenyldichloroethylene)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
259729
Pollutant:
DDE (Dichlorodiphenyldichloroethylene)
LOE Subgroup:
Pollutant-Water
Matrix:
Water
Fraction:
Total
Beneficial Use:
Commercial or recreational collection of fish, shellfish, or organisms
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
PHYSICAL/CHEMICAL MONITORING
Data Used to Assess Water Quality:
Water Board staff assessed City of LB Integrated Monitoring for MS4 Permit data for San Pedro Bay Near/Off Shore Zones to determine beneficial use support, and the results are as follows: 0 of the 0 samples exceeded the evaluation guideline for DDE(p,p'). Although a total of 7 samples were collected, 7 of these samples were not included in the assessment because the laboratory data reporting limit(s) was above the water quality threshold and therefore the results could not be quantified with the level of certainty required by the Listing Policy Section 6.1.5.5.
Total DDT (sum of 4,4'- and 2,4'- isomers of DDT, DDE, and DDD)
Final Listing Decision:
Do Not Delist from 303(d) list (being addressed with USEPA approved TMDL)
Last Listing Cycle's Final Listing Decision:
Do Not Delist from 303(d) list (being addressed with USEPA approved TMDL)(2016)
Revision Status
Original
Sources:
A Source Unknown
TMDL Name:
Dominguez, LA/LB Harbors, San Pedro Bay Metals (75 & 78), toxics(73a) and PAHs (74)
TMDL Project Code:
416
Date TMDL Approved by USEPA:
03/23/2012
Impairment from Pollutant or Pollution:
Pollutant
Regional Board Conclusion:
This pollutant is being considered for removal from the section 303(d) list under section 4.5 of the Listing Policy. One line of evidence is available in the administrative record to assess this pollutant.
Based on the readily available data and information, the weight of evidence indicates that there is insufficient justification in favor of removing this water segment-pollutant combination from the section 303(d) list in the Water Quality Limited Segments category.
This conclusion is based on the staff findings that:
1. The data used satisfies the data quality requirements of section 6.1.4 of the Policy.
2. The data used satisfies the data quantity requirements of section 6.1.5 of the Policy.
3. Three of the 4 samples exceeded the OEHHA Screening Value but the number of samples is insufficient to determine with the confidence and power required by the Listing Policy.
4. Pursuant to section 4.11 of the Listing Policy, no additional data and information are available indicating that standards are not met.
There is sufficient justification to place this waterbody/pollutant in the Being Addressed portion of the CWA 303(d) List because a TMDL has been completed and approved by USEPA, and is expected to result in attainment of the standard.
This conclusion is based on the staff findings that:
1. The Dominguez Channel and Los Angeles and Long Beach Harbors Toxics and Metals TMDL was approved by USEPA on 03/23/2012.
Regional Board Decision Recommendation:
After review of the available data and information, RWQCB staff concludes that the water body-pollutant combination should not be removed from the section 303(d) list because applicable water quality standards for the pollutant are being exceeded.
State Board Review of Regional Board Conclusion and Recommendation:
State Board Decision Recommendation:
After review of this Regional Board decision, SWRCB staff recommend the decision be approved by the State Board.
Listing Extent:
Line of Evidence (LOE) for Decision ID 69050, Total DDT (sum of 4,4'- and 2,4'- isomers of DDT, DDE, and DDD)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
88063
Pollutant:
Total DDT (sum of 4,4'- and 2,4'- isomers of DDT, DDE, and DDD)
LOE Subgroup:
Pollutant-Tissue
Matrix:
Tissue
Fraction:
Shellfish
Beneficial Use:
Shellfish Harvesting
Number of Samples:
1
Number of Exceedances:
1
Data and Information Type:
Shellfish surveys
Data Used to Assess Water Quality:
The sample did exceed the guideline. Data were reported on a dry weight basis and were converted to a wet weight basis by multiplying the dry-weight concentration by a factor of 1 minus the percentage of moisture content expressed as a decimal. The total DDTs were calculated as the sum of 4,4- and 2,4- isomers of DDT, DDE, and DDD.
Toxic pollutants shall not be present at levels that will bioaccumulate in aquatic life to levels which are harmful to aquatic life or human health. No individual pesticide or combination of pesticides shall be present in concentrations that adversely affect beneficial uses. There shall be no bioaccumulation of pesticide concentrations found in bottom sediments or aquatic life.
The modified OEHHA Fish Contaminant Goal for total DDT in shellfish tissue is 23 ppb. This screening level assumes an average body weight of 70 kg and a consumption rate of 21 g/day for a 30 year exposure over a 70-year lifetime. This constituent is a carcinogen therefore the risk level is set to one in a million. (Brodberg, R.K., and G.A. Pollock, 1999; Klasing, S., and R. Brodberg, 2008)
Samples are collected by hand from three sub-locations for each site. The composite sample was collected from Long Beach Breakwater, site LBBW.
Temporal Representation:
Representative samples of locally abundant species were collected during the winter on 3/4/2008
Environmental Conditions:
QAPP Information:
Samples were collected as part of the State Water Board's Mussel Watch Program which is a part of the National Oceanic Administration's (NOAAs) National Status and Trends (NS&T). Mussels are shipped to NOAAs contract labs for analysis of trace constituents and mussel condition. Analytical protocols follow those approved by NOAAs NS&T Program Additional background information can be found at:
http://ccma.nos.noaa.gov/stressors/pollution/nsandt/
QAPP Information Reference(s):
Line of Evidence (LOE) for Decision ID 69050, Total DDT (sum of 4,4'- and 2,4'- isomers of DDT, DDE, and DDD)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
99
Pollutant:
DDT (Dichlorodiphenyltrichloroethane)
LOE Subgroup:
Pollutant-Tissue
Matrix:
Tissue
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
4
Number of Exceedances:
3
Data and Information Type:
Fish tissue analysis
Data Used to Assess Water Quality:
Three out of 4 samples exceeded. All 4 samples were filet composites representing the following species: queenfish, spotted turbot, and white croaker. All but one white croaker sample exceeded guideline. This white croaker had 99.89 ng/g DDT just below the guideline (TSMP, 2002).
Los Angeles RWQCB Basin Plan: Toxic pollutants shall not be present at levels that will bioaccumulate in aquatic life to levels which are harmful to aquatic life or human health.
CFCP 1998 Year 1 QA Summary - Pesticides and PCBs. California Department of Fish and Game.
CDFG Fish and Wildlife Water Pollution Control Laboratory Data Quality Assurance Report. 1999 Coastal Fish Contamination Program
QAPP Information Reference(s):
DECISION ID
69050
Region 4
San Pedro Bay Near Off Shore Zones
Pollutant:
Total DDT (sum of 4,4'- and 2,4'- isomers of DDT, DDE, and DDD)
Final Listing Decision:
Do Not Delist from 303(d) list (being addressed with USEPA approved TMDL)
Last Listing Cycle's Final Listing Decision:
Do Not Delist from 303(d) list (being addressed with USEPA approved TMDL)(2016)
Revision Status
Original
Sources:
A Source Unknown
TMDL Name:
Dominguez, LA/LB Harbors, San Pedro Bay Metals (75 & 78), toxics(73a) and PAHs (74)
TMDL Project Code:
416
Date TMDL Approved by USEPA:
03/23/2012
Impairment from Pollutant or Pollution:
Pollutant
Regional Board Conclusion:
This pollutant is being considered for removal from the section 303(d) list under section 4.5 of the Listing Policy. One line of evidence is available in the administrative record to assess this pollutant.
Based on the readily available data and information, the weight of evidence indicates that there is insufficient justification in favor of removing this water segment-pollutant combination from the section 303(d) list in the Water Quality Limited Segments category.
This conclusion is based on the staff findings that:
1. The data used satisfies the data quality requirements of section 6.1.4 of the Policy.
2. The data used satisfies the data quantity requirements of section 6.1.5 of the Policy.
3. Three of the 4 samples exceeded the OEHHA Screening Value but the number of samples is insufficient to determine with the confidence and power required by the Listing Policy.
4. Pursuant to section 4.11 of the Listing Policy, no additional data and information are available indicating that standards are not met.
There is sufficient justification to place this waterbody/pollutant in the Being Addressed portion of the CWA 303(d) List because a TMDL has been completed and approved by USEPA, and is expected to result in attainment of the standard.
This conclusion is based on the staff findings that:
1. The Dominguez Channel and Los Angeles and Long Beach Harbors Toxics and Metals TMDL was approved by USEPA on 03/23/2012.
Regional Board Decision Recommendation:
After review of the available data and information, RWQCB staff concludes that the water body-pollutant combination should not be removed from the section 303(d) list because applicable water quality standards for the pollutant are being exceeded.
State Board Review of Regional Board Conclusion and Recommendation:
State Board Decision Recommendation:
After review of this Regional Board decision, SWRCB staff recommend the decision be approved by the State Board.
Listing Extent:
Line of Evidence (LOE) for Decision ID 69050, Total DDT (sum of 4,4'- and 2,4'- isomers of DDT, DDE, and DDD)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
88063
Pollutant:
Total DDT (sum of 4,4'- and 2,4'- isomers of DDT, DDE, and DDD)
LOE Subgroup:
Pollutant-Tissue
Matrix:
Tissue
Fraction:
Shellfish
Beneficial Use:
Shellfish Harvesting
Number of Samples:
1
Number of Exceedances:
1
Data and Information Type:
Shellfish surveys
Data Used to Assess Water Quality:
The sample did exceed the guideline. Data were reported on a dry weight basis and were converted to a wet weight basis by multiplying the dry-weight concentration by a factor of 1 minus the percentage of moisture content expressed as a decimal. The total DDTs were calculated as the sum of 4,4- and 2,4- isomers of DDT, DDE, and DDD.
Toxic pollutants shall not be present at levels that will bioaccumulate in aquatic life to levels which are harmful to aquatic life or human health. No individual pesticide or combination of pesticides shall be present in concentrations that adversely affect beneficial uses. There shall be no bioaccumulation of pesticide concentrations found in bottom sediments or aquatic life.
The modified OEHHA Fish Contaminant Goal for total DDT in shellfish tissue is 23 ppb. This screening level assumes an average body weight of 70 kg and a consumption rate of 21 g/day for a 30 year exposure over a 70-year lifetime. This constituent is a carcinogen therefore the risk level is set to one in a million. (Brodberg, R.K., and G.A. Pollock, 1999; Klasing, S., and R. Brodberg, 2008)
Samples are collected by hand from three sub-locations for each site. The composite sample was collected from Long Beach Breakwater, site LBBW.
Temporal Representation:
Representative samples of locally abundant species were collected during the winter on 3/4/2008
Environmental Conditions:
QAPP Information:
Samples were collected as part of the State Water Board's Mussel Watch Program which is a part of the National Oceanic Administration's (NOAAs) National Status and Trends (NS&T). Mussels are shipped to NOAAs contract labs for analysis of trace constituents and mussel condition. Analytical protocols follow those approved by NOAAs NS&T Program Additional background information can be found at:
http://ccma.nos.noaa.gov/stressors/pollution/nsandt/
QAPP Information Reference(s):
Line of Evidence (LOE) for Decision ID 69050, Total DDT (sum of 4,4'- and 2,4'- isomers of DDT, DDE, and DDD)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
99
Pollutant:
DDT (Dichlorodiphenyltrichloroethane)
LOE Subgroup:
Pollutant-Tissue
Matrix:
Tissue
Fraction:
Total
Beneficial Use:
Marine Habitat
Number of Samples:
4
Number of Exceedances:
3
Data and Information Type:
Fish tissue analysis
Data Used to Assess Water Quality:
Three out of 4 samples exceeded. All 4 samples were filet composites representing the following species: queenfish, spotted turbot, and white croaker. All but one white croaker sample exceeded guideline. This white croaker had 99.89 ng/g DDT just below the guideline (TSMP, 2002).
Los Angeles RWQCB Basin Plan: Toxic pollutants shall not be present at levels that will bioaccumulate in aquatic life to levels which are harmful to aquatic life or human health.
CFCP 1998 Year 1 QA Summary - Pesticides and PCBs. California Department of Fish and Game.
CDFG Fish and Wildlife Water Pollution Control Laboratory Data Quality Assurance Report. 1999 Coastal Fish Contamination Program
QAPP Information Reference(s):
DECISION ID
98196
Region 4
San Pedro Bay Near Off Shore Zones
Pollutant:
Chlorpyrifos
Final Listing Decision:
Do Not List on 303(d) list (TMDL required list)
Last Listing Cycle's Final Listing Decision:
Do Not List on 303(d) list (TMDL required list)(2016)
Revision Status
Original
Impairment from Pollutant or Pollution:
Pollutant
Regional Board Conclusion:
This pollutant is being considered for placement on the CWA section 303(d) List under section 3.5 of the Listing Policy. Under section 3.5 a single line of evidence are necessary to assess listing status.
1 line of evidence is available in the administrative record to assess this pollutant.
0 of 1 sample exceeded the GUIDELINE.
Based on the readily available data and information, the weight of evidence indicates that there is insufficient justification for placing this water segment-pollutant combination on the CWA section 303(d) List. This conclusion is based on the staff findings that:
1. The data used satisfies the data quality requirements of section 6.1.4 of the Policy.
2. The data used satisfies the data quantity requirements of section 6.1.5 of the Policy.
3. 0 of 1 sample exceeded the GUIDELINE and this sample size is insufficient to determine, with the power and confidence of the Listing Policy, the applicable beneficial use support rating. A minimum of 16 samples is needed to determine if a beneficial use is fully supported using table 3.1.
4. Pursuant to SECTION 3.11 of the Listing Policy, no additional data and information are available indicating that standards are not met.
Regional Board Decision Recommendation:
After review of the available data and information, RWQCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list. The readily available data and information is insufficient to determine, with the power and confidence of the Listing Policy, the applicable beneficial use support rating.
State Board Review of Regional Board Conclusion and Recommendation:
State Board Decision Recommendation:
After review of this Regional Board decision, SWRCB staff recommend the decision be approved by the State Board.
Listing Extent:
Line of Evidence (LOE) for Decision ID 98196, Chlorpyrifos
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
88047
Pollutant:
Chlorpyrifos
LOE Subgroup:
Pollutant-Tissue
Matrix:
Tissue
Fraction:
Shellfish
Beneficial Use:
Shellfish Harvesting
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
Shellfish surveys
Data Used to Assess Water Quality:
The result did not exceed the guideline. Data were reported on a dry weight basis and were converted to a wet weight basis by multiplying the dry-weight concentration by a factor of 1 minus the percentage of moisture content expressed as a decimal.
California's Ocean Plan states that, "The concentration of organic materials in fish, shellfish or other marine resources used for human consumption shall not bioaccumulate to levels that are harmful to human health".
The modified OEHHA Fish Contaminant Goal for chlorpyrifos in shellfish tissue is 1,000 ppb. This screening level assumes an average body weight of 70 kg and a consumption rate of 21 g/day. (Brodberg, R.K., and G.A. Pollock, 1999; Klasing, S., and R. Brodberg, 2008; USEPA, 2000)
Samples are collected by hand from three sub-locations for each site. The composite sample was collected from Long Beach Breakwater, site LBBW.
Temporal Representation:
Representative samples of locally abundant species were collected during the winter on 3/4/2008
Environmental Conditions:
QAPP Information:
Samples were collected as part of the State Water Board's Mussel Watch Program which is a part of the National Oceanic Administration's (NOAAs) National Status and Trends (NS&T). Mussels are shipped to NOAAs contract labs for analysis of trace constituents and mussel condition. Analytical protocols follow those approved by NOAAs NS&T Program Additional background information can be found at:
http://ccma.nos.noaa.gov/stressors/pollution/nsandt/
QAPP Information Reference(s):
DECISION ID
98252
Region 4
San Pedro Bay Near Off Shore Zones
Pollutant:
Endosulfan
Final Listing Decision:
Do Not List on 303(d) list (TMDL required list)
Last Listing Cycle's Final Listing Decision:
Do Not List on 303(d) list (TMDL required list)(2016)
Revision Status
Original
Impairment from Pollutant or Pollution:
Pollutant
Regional Board Conclusion:
This pollutant is being considered for placement on the CWA section 303(d) List under section 3.5 of the Listing Policy. Under section 3.5 a single line of evidence are necessary to assess listing status.
1 line of evidence is available in the administrative record to assess this pollutant.
0 of 1 sample exceeded the GUIDELINE.
Based on the readily available data and information, the weight of evidence indicates that there is insufficient justification for placing this water segment-pollutant combination on the CWA section 303(d) List. This conclusion is based on the staff findings that:
1. The data used satisfies the data quality requirements of section 6.1.4 of the Policy.
2. The data used satisfies the data quantity requirements of section 6.1.5 of the Policy.
3. 0 of 1 sample exceeded the GUIDELINE and this sample size is insufficient to determine, with the power and confidence of the Listing Policy, the applicable beneficial use support rating. A minimum of 16 samples is needed to determine if a beneficial use is fully supported using table 3.1.
4. Pursuant to SECTION 3.11 of the Listing Policy, no additional data and information are available indicating that standards are not met.
Regional Board Decision Recommendation:
After review of the available data and information, RWQCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list. The readily available data and information is insufficient to determine, with the power and confidence of the Listing Policy, the applicable beneficial use support rating.
State Board Review of Regional Board Conclusion and Recommendation:
State Board Decision Recommendation:
After review of this Regional Board decision, SWRCB staff recommend the decision be approved by the State Board.
Listing Extent:
Line of Evidence (LOE) for Decision ID 98252, Endosulfan
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
88050
Pollutant:
Endosulfan
LOE Subgroup:
Pollutant-Tissue
Matrix:
Tissue
Fraction:
Shellfish
Beneficial Use:
Shellfish Harvesting
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
Shellfish surveys
Data Used to Assess Water Quality:
The sample did not exceed the guideline. Data were reported on a dry weight basis and were converted to a wet weight basis by multiplying the dry-weight concentration by a factor of 1 minus the percentage of moisture content expressed as a decimal. Total Endosulfan is the sum of Endosulfan I and Endosulfan II.
Toxic pollutants shall not be present at levels that will bioaccumulate in aquatic life to levels which are harmful to aquatic life or human health. No individual pesticide or combination of pesticides shall be present in concentrations that adversely affect beneficial uses. There shall be no bioaccumulation of pesticide concentrations found in bottom sediments or aquatic life.
The modified OEHHA Fish Contaminant Goal for endosulfan (l and ll) in shellfish tissue is 20,000 ppb. This screening level assumes an average body weight of 70 kg and a consumption rate of 21 g/day. (Brodberg, R.K., and G.A. Pollock, 1999; Klasing, S., and R. Brodberg, 2008; USEPA, 2000)
Samples are collected by hand from three sub-locations for each site. The composite sample was collected from Long Beach Breakwater, site LBBW.
Temporal Representation:
Representative samples of locally abundant species were collected during the winter on 3/4/2008
Environmental Conditions:
QAPP Information:
Samples were collected as part of the State Water Board's Mussel Watch Program which is a part of the National Oceanic Administration's (NOAAs) National Status and Trends (NS&T). Mussels are shipped to NOAAs contract labs for analysis of trace constituents and mussel condition. Analytical protocols follow those approved by NOAAs NS&T Program Additional background information can be found at:
http://ccma.nos.noaa.gov/stressors/pollution/nsandt/
QAPP Information Reference(s):
DECISION ID
98253
Region 4
San Pedro Bay Near Off Shore Zones
Pollutant:
Endrin
Final Listing Decision:
Do Not List on 303(d) list (TMDL required list)
Last Listing Cycle's Final Listing Decision:
Do Not List on 303(d) list (TMDL required list)(2016)
Revision Status
Original
Impairment from Pollutant or Pollution:
Pollutant
Regional Board Conclusion:
This pollutant is being considered for placement on the CWA section 303(d) List under section 3.5 of the Listing Policy. Under section 3.5 a single line of evidence are necessary to assess listing status.
1 line of evidence is available in the administrative record to assess this pollutant.
0 of 1 sample exceeded the GUIDELINE.
Based on the readily available data and information, the weight of evidence indicates that there is insufficient justification for placing this water segment-pollutant combination on the CWA section 303(d) List. This conclusion is based on the staff findings that:
1. The data used satisfies the data quality requirements of section 6.1.4 of the Policy.
2. The data used satisfies the data quantity requirements of section 6.1.5 of the Policy.
3. 0 of 1 sample exceeded the GUIDELINE and this sample size is insufficient to determine, with the power and confidence of the Listing Policy, the applicable beneficial use support rating. A minimum of 16 samples is needed to determine if a beneficial use is fully supported using table 3.1.
4. Pursuant to SECTION 3.11 of the Listing Policy, no additional data and information are available indicating that standards are not met.
Regional Board Decision Recommendation:
After review of the available data and information, RWQCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list. The readily available data and information is insufficient to determine, with the power and confidence of the Listing Policy, the applicable beneficial use support rating.
State Board Review of Regional Board Conclusion and Recommendation:
State Board Decision Recommendation:
After review of this Regional Board decision, SWRCB staff recommend the decision be approved by the State Board.
Listing Extent:
Line of Evidence (LOE) for Decision ID 98253, Endrin
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
88051
Pollutant:
Endrin
LOE Subgroup:
Pollutant-Tissue
Matrix:
Tissue
Fraction:
Shellfish
Beneficial Use:
Shellfish Harvesting
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
Shellfish surveys
Data Used to Assess Water Quality:
The sample did not exceed the guideline. Data were reported on a dry weight basis and were converted to a wet weight basis by multiplying the dry-weight concentration by a factor of 1 minus the percentage of moisture content expressed as a decimal.
Toxic pollutants shall not be present at levels that will bioaccumulate in aquatic life to levels which are harmful to aquatic life or human health. No individual pesticide or combination of pesticides shall be present in concentrations that adversely affect beneficial uses. There shall be no bioaccumulation of pesticide concentrations found in bottom sediments or aquatic life.
The modified OEHHA Fish Contaminant Goal for endrin in shellfish tissue is 1,000 ppb. This screening level assumes an average body weight of 70 kg and a consumption rate of 21 g/day. (Brodberg, R.K., and G.A. Pollock, 1999; Klasing, S., and R. Brodberg, 2008; USEPA, 2000)
Samples are collected by hand from three sub-locations for each site. The composite sample was collected from Long Beach Breakwater, site LBBW.
Temporal Representation:
Representative samples of locally abundant species were collected during the winter on 3/4/2008
Environmental Conditions:
QAPP Information:
Samples were collected as part of the State Water Board's Mussel Watch Program which is a part of the National Oceanic Administration's (NOAAs) National Status and Trends (NS&T). Mussels are shipped to NOAAs contract labs for analysis of trace constituents and mussel condition. Analytical protocols follow those approved by NOAAs NS&T Program Additional background information can be found at:
http://ccma.nos.noaa.gov/stressors/pollution/nsandt/
QAPP Information Reference(s):
DECISION ID
98254
Region 4
San Pedro Bay Near Off Shore Zones
Pollutant:
Heptachlor epoxide
Final Listing Decision:
Do Not List on 303(d) list (TMDL required list)
Last Listing Cycle's Final Listing Decision:
Do Not List on 303(d) list (TMDL required list)(2016)
Revision Status
Original
Impairment from Pollutant or Pollution:
Pollutant
Regional Board Conclusion:
This pollutant is being considered for placement on the CWA section 303(d) List under section 3.5 of the Listing Policy. Under section 3.5 a single line of evidence are necessary to assess listing status.
1 line of evidence is available in the administrative record to assess this pollutant.
0 of 1 sample exceeded the GUIDELINE.
Based on the readily available data and information, the weight of evidence indicates that there is insufficient justification for placing this water segment-pollutant combination on the CWA section 303(d) List. This conclusion is based on the staff findings that:
1. The data used satisfies the data quality requirements of section 6.1.4 of the Policy.
2. The data used satisfies the data quantity requirements of section 6.1.5 of the Policy.
3. 0 of 1 sample exceeded the GUIDELINE and this sample size is insufficient to determine, with the power and confidence of the Listing Policy, the applicable beneficial use support rating. A minimum of 16 samples is needed to determine if a beneficial use is fully supported using table 3.1.
4. Pursuant to SECTION 3.11 of the Listing Policy, no additional data and information are available indicating that standards are not met.
Regional Board Decision Recommendation:
After review of the available data and information, RWQCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list. The readily available data and information is insufficient to determine, with the power and confidence of the Listing Policy, the applicable beneficial use support rating.
State Board Review of Regional Board Conclusion and Recommendation:
State Board Decision Recommendation:
After review of this Regional Board decision, SWRCB staff recommend the decision be approved by the State Board.
Listing Extent:
Line of Evidence (LOE) for Decision ID 98254, Heptachlor epoxide
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
88052
Pollutant:
Heptachlor epoxide
LOE Subgroup:
Pollutant-Tissue
Matrix:
Tissue
Fraction:
Shellfish
Beneficial Use:
Shellfish Harvesting
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
Shellfish surveys
Data Used to Assess Water Quality:
The sample did not exceed the guideline. Data were reported on a dry weight basis and were converted to a wet weight basis by multiplying the dry-weight concentration by a factor of 1 minus the percentage of moisture content expressed as a decimal.
Toxic pollutants shall not be present at levels that will bioaccumulate in aquatic life to levels which are harmful to aquatic life or human health. No individual pesticide or combination of pesticides shall be present in concentrations that adversely affect beneficial uses. There shall be no bioaccumulation of pesticide concentrations found in bottom sediments or aquatic life.
The modified OEHHA Fish Contaminant Goal for heptachlor epoxide in shellfish tissue is 1.4 ppb. This screening level assumes an average body weight of 70 kg and a consumption rate of 21 g/day for a 30 year exposure over a 70-year lifetime. This constituent is a carcinogen therefore the risk level is set to one in a million. (Brodberg, R.K., and G.A. Pollock, 1999; Klasing, S., and R. Brodberg, 2008; OEHHA, 1999)
Samples are collected by hand from three sub-locations for each site. The composite sample was collected from Long Beach Breakwater, site LBBW.
Temporal Representation:
Representative samples of locally abundant species were collected during the winter on 3/4/2008
Environmental Conditions:
QAPP Information:
Samples were collected as part of the State Water Board's Mussel Watch Program which is a part of the National Oceanic Administration's (NOAAs) National Status and Trends (NS&T). Mussels are shipped to NOAAs contract labs for analysis of trace constituents and mussel condition. Analytical protocols follow those approved by NOAAs NS&T Program Additional background information can be found at:
http://ccma.nos.noaa.gov/stressors/pollution/nsandt/
QAPP Information Reference(s):
DECISION ID
98255
Region 4
San Pedro Bay Near Off Shore Zones
Pollutant:
Hexachlorobenzene/ HCB
Final Listing Decision:
Do Not List on 303(d) list (TMDL required list)
Last Listing Cycle's Final Listing Decision:
Do Not List on 303(d) list (TMDL required list)(2016)
Revision Status
Original
Impairment from Pollutant or Pollution:
Pollutant
Regional Board Conclusion:
This pollutant is being considered for placement on the CWA section 303(d) List under section 3.5 of the Listing Policy. Under section 3.5 a single line of evidence are necessary to assess listing status.
1 line of evidence is available in the administrative record to assess this pollutant.
0 of 1 sample exceeded the GUIDELINE.
Based on the readily available data and information, the weight of evidence indicates that there is insufficient justification for placing this water segment-pollutant combination on the CWA section 303(d) List. This conclusion is based on the staff findings that:
1. The data used satisfies the data quality requirements of section 6.1.4 of the Policy.
2. The data used satisfies the data quantity requirements of section 6.1.5 of the Policy.
3. 0 of 1 sample exceeded the GUIDELINE and this sample size is insufficient to determine, with the power and confidence of the Listing Policy, the applicable beneficial use support rating. A minimum of 16 samples is needed to determine if a beneficial use is fully supported using table 3.1.
4. Pursuant to SECTION 3.11 of the Listing Policy, no additional data and information are available indicating that standards are not met.
Regional Board Decision Recommendation:
After review of the available data and information, RWQCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list. The readily available data and information is insufficient to determine, with the power and confidence of the Listing Policy, the applicable beneficial use support rating.
State Board Review of Regional Board Conclusion and Recommendation:
State Board Decision Recommendation:
After review of this Regional Board decision, SWRCB staff recommend the decision be approved by the State Board.
Listing Extent:
Line of Evidence (LOE) for Decision ID 98255, Hexachlorobenzene/ HCB
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
88053
Pollutant:
Hexachlorobenzene/ HCB
LOE Subgroup:
Pollutant-Tissue
Matrix:
Tissue
Fraction:
Shellfish
Beneficial Use:
Shellfish Harvesting
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
Shellfish surveys
Data Used to Assess Water Quality:
The sample did not exceed the guideline. Data were reported on a dry weight basis and were converted to a wet weight basis by multiplying the dry-weight concentration by a factor of 1 minus the percentage of moisture content expressed as a decimal.
Toxic pollutants shall not be present at levels that will bioaccumulate in aquatic life to levels which are harmful to aquatic life or human health. No individual pesticide or combination of pesticides shall be present in concentrations that adversely affect beneficial uses. There shall be no bioaccumulation of pesticide concentrations found in bottom sediments or aquatic life.
The modified OEHHA Fish Contaminant Goal for hexachlorobenzene in shellfish tissue is 4.3 ppb. This screening level assumes an average body weight of 70 kg and a consumption rate of 21 g/day for a 30 year exposure over a 70-year lifetime. This constituent is a carcinogen therefore the risk level is set to one in a million. (Brodberg, R.K., and G.A. Pollock, 1999; Klasing, S., and R. Brodberg, 2008; OEHHA, 2005)
Samples are collected by hand from three sub-locations for each site. The composite sample was collected from Long Beach Breakwater, site LBBW.
Temporal Representation:
Representative samples of locally abundant species were collected during the winter on 3/4/2008
Environmental Conditions:
QAPP Information:
Samples were collected as part of the State Water Board's Mussel Watch Program which is a part of the National Oceanic Administration's (NOAAs) National Status and Trends (NS&T). Mussels are shipped to NOAAs contract labs for analysis of trace constituents and mussel condition. Analytical protocols follow those approved by NOAAs NS&T Program Additional background information can be found at:
http://ccma.nos.noaa.gov/stressors/pollution/nsandt/
QAPP Information Reference(s):
DECISION ID
98314
Region 4
San Pedro Bay Near Off Shore Zones
Pollutant:
Lindane/gamma Hexachlorocyclohexane (gamma-HCH)
Final Listing Decision:
Do Not List on 303(d) list (TMDL required list)
Last Listing Cycle's Final Listing Decision:
Do Not List on 303(d) list (TMDL required list)(2016)
Revision Status
Original
Impairment from Pollutant or Pollution:
Pollutant
Regional Board Conclusion:
This pollutant is being considered for placement on the CWA section 303(d) List under section 3.5 of the Listing Policy. Under section 3.5 a single line of evidence are necessary to assess listing status.
1 line of evidence is available in the administrative record to assess this pollutant.
0 of 1 sample exceeded the GUIDELINE.
Based on the readily available data and information, the weight of evidence indicates that there is insufficient justification for placing this water segment-pollutant combination on the CWA section 303(d) List. This conclusion is based on the staff findings that:
1. The data used satisfies the data quality requirements of section 6.1.4 of the Policy.
2. The data used satisfies the data quantity requirements of section 6.1.5 of the Policy.
3. 0 of 1 sample exceeded the GUIDELINE and this sample size is insufficient to determine, with the power and confidence of the Listing Policy, the applicable beneficial use support rating. A minimum of 16 samples is needed to determine if a beneficial use is fully supported using table 3.1.
4. Pursuant to SECTION 3.11 of the Listing Policy, no additional data and information are available indicating that standards are not met.
Regional Board Decision Recommendation:
After review of the available data and information, RWQCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list. The readily available data and information is insufficient to determine, with the power and confidence of the Listing Policy, the applicable beneficial use support rating.
State Board Review of Regional Board Conclusion and Recommendation:
State Board Decision Recommendation:
After review of this Regional Board decision, SWRCB staff recommend the decision be approved by the State Board.
Listing Extent:
Line of Evidence (LOE) for Decision ID 98314, Lindane/gamma Hexachlorocyclohexane (gamma-HCH)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
88054
Pollutant:
Lindane/gamma Hexachlorocyclohexane (gamma-HCH)
LOE Subgroup:
Pollutant-Tissue
Matrix:
Tissue
Fraction:
Shellfish
Beneficial Use:
Shellfish Harvesting
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
Shellfish surveys
Data Used to Assess Water Quality:
The sample did not exceed the guideline. Data were reported on a dry weight basis and were converted to a wet weight basis by multiplying the dry-weight concentration by a factor of 1 minus the percentage of moisture content expressed as a decimal.
Toxic pollutants shall not be present at levels that will bioaccumulate in aquatic life to levels which are harmful to aquatic life or human health. No individual pesticide or combination of pesticides shall be present in concentrations that adversely affect beneficial uses. There shall be no bioaccumulation of pesticide concentrations found in bottom sediments or aquatic life.
The modified OEHHA Fish Contaminant Goal for lindane in shellfish tissue is 7.1 ppb. This screening level assumes an average body weight of 70 kg and a consumption rate of 21 g/day for a 30 year exposure over a 70-year lifetime. This constituent is a carcinogen therefore the risk level is set to one in a million. (Brodberg, R.K., and G.A. Pollock, 1999; Klasing, S., and R. Brodberg, 2008; OEHHA, 2005)
Samples are collected by hand from three sub-locations for each site. The composite sample was collected from Long Beach Breakwater, site LBBW.
Temporal Representation:
Representative samples of locally abundant species were collected during the winter on 3/4/2008
Environmental Conditions:
QAPP Information:
Samples were collected as part of the State Water Board's Mussel Watch Program which is a part of the National Oceanic Administration's (NOAAs) National Status and Trends (NS&T). Mussels are shipped to NOAAs contract labs for analysis of trace constituents and mussel condition. Analytical protocols follow those approved by NOAAs NS&T Program Additional background information can be found at:
http://ccma.nos.noaa.gov/stressors/pollution/nsandt/
QAPP Information Reference(s):
DECISION ID
98371
Region 4
San Pedro Bay Near Off Shore Zones
Pollutant:
Mirex
Final Listing Decision:
Do Not List on 303(d) list (TMDL required list)
Last Listing Cycle's Final Listing Decision:
Do Not List on 303(d) list (TMDL required list)(2016)
Revision Status
Original
Impairment from Pollutant or Pollution:
Pollutant
Regional Board Conclusion:
This pollutant is being considered for placement on the CWA section 303(d) List under section 3.5 of the Listing Policy. Under section 3.5 a single line of evidence are necessary to assess listing status.
1 line of evidence is available in the administrative record to assess this pollutant.
0 of 0 sample exceeded the GUIDELINE.
Based on the readily available data and information, the weight of evidence indicates that there is insufficient justification for placing this water segment-pollutant combination on the CWA section 303(d) List. This conclusion is based on the staff findings that:
1. The data used satisfies the data quality requirements of section 6.1.4 of the Policy.
2. The data used satisfies the data quantity requirements of section 6.1.5 of the Policy.
3. 0 of 0 sample exceeded the GUIDELINE and this sample size is insufficient to determine, with the power and confidence of the Listing Policy, the applicable beneficial use support rating. A minimum of 16 samples is needed to determine if a beneficial use is fully supported using table 3.1.
4. Pursuant to SECTION 3.11 of the Listing Policy, no additional data and information are available indicating that standards are not met.
Regional Board Decision Recommendation:
After review of the available data and information, RWQCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list. The readily available data and information is insufficient to determine, with the power and confidence of the Listing Policy, the applicable beneficial use support rating.
State Board Review of Regional Board Conclusion and Recommendation:
State Board Decision Recommendation:
After review of this Regional Board decision, SWRCB staff recommend the decision be approved by the State Board.
Listing Extent:
Line of Evidence (LOE) for Decision ID 98371, Mirex
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
88056
Pollutant:
Mirex
LOE Subgroup:
Pollutant-Tissue
Matrix:
Tissue
Fraction:
Shellfish
Beneficial Use:
Shellfish Harvesting
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
Shellfish surveys
Data Used to Assess Water Quality:
The non detect result was not included in the assessment since the reporting limit was above the evaluation guideline. MDL were provided by NOAA Federal and RL were calculated by multiplying 3.18 by the MDL.
California's Ocean Plan states that, "The concentration of organic materials in fish, shellfish or other marine resources used for human consumption shall not bioaccumulate to levels that are harmful to human health".
The modified OEHHA Fish Contaminant Goal for mirex in shellfish tissue is 0.43 ppb. This screening level assumes an average body weight of 70 kg and a consumption rate of 21 g/day. (Brodberg, R.K., and G.A. Pollock, 1999; Klasing, S., and R. Brodberg, 2008; OEHHA, 1992)
Samples are collected by hand from three sub-locations for each site. The composite sample was collected from Long Beach Breakwater, site LBBW.
Temporal Representation:
Representative samples of locally abundant species were collected during the winter on 3/4/2008
Environmental Conditions:
QAPP Information:
Samples were collected as part of the State Water Board's Mussel Watch Program which is a part of the National Oceanic Administration's (NOAAs) National Status and Trends (NS&T). Mussels are shipped to NOAAs contract labs for analysis of trace constituents and mussel condition. Analytical protocols follow those approved by NOAAs NS&T Program Additional background information can be found at:
http://ccma.nos.noaa.gov/stressors/pollution/nsandt/
QAPP Information Reference(s):
DECISION ID
98316
Region 4
San Pedro Bay Near Off Shore Zones
Pollutant:
Selenium
Final Listing Decision:
Do Not List on 303(d) list (TMDL required list)
Last Listing Cycle's Final Listing Decision:
Do Not List on 303(d) list (TMDL required list)(2016)
Revision Status
Original
Impairment from Pollutant or Pollution:
Pollutant
Regional Board Conclusion:
This pollutant is being considered for placement on the CWA section 303(d) List under section 3.5 of the Listing Policy. Under section 3.5 a single line of evidence are necessary to assess listing status.
1 line of evidence is available in the administrative record to assess this pollutant.
0 of 1 sample exceeded the GUIDELINE.
Based on the readily available data and information, the weight of evidence indicates that there is insufficient justification for placing this water segment-pollutant combination on the CWA section 303(d) List. This conclusion is based on the staff findings that:
1. The data used satisfies the data quality requirements of section 6.1.4 of the Policy.
2. The data used satisfies the data quantity requirements of section 6.1.5 of the Policy.
3. 0 of 1 sample exceeded the GUIDELINE and this sample size is insufficient to determine, with the power and confidence of the Listing Policy, the applicable beneficial use support rating. A minimum of 16 samples is needed to determine if a beneficial use is fully supported using table 3.1.
4. Pursuant to SECTION 3.11 of the Listing Policy, no additional data and information are available indicating that standards are not met.
Regional Board Decision Recommendation:
After review of the available data and information, RWQCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list. The readily available data and information is insufficient to determine, with the power and confidence of the Listing Policy, the applicable beneficial use support rating.
State Board Review of Regional Board Conclusion and Recommendation:
State Board Decision Recommendation:
After review of this Regional Board decision, SWRCB staff recommend the decision be approved by the State Board.
Listing Extent:
Line of Evidence (LOE) for Decision ID 98316, Selenium
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
88062
Pollutant:
Selenium
LOE Subgroup:
Pollutant-Tissue
Matrix:
Tissue
Fraction:
Shellfish
Beneficial Use:
Shellfish Harvesting
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
Shellfish surveys
Data Used to Assess Water Quality:
The sample did not exceed the guideline. Data were reported on a dry weight basis and were converted to a wet weight basis by multiplying the dry-weight concentration by a factor of 1 minus the percentage of moisture content expressed as a decimal.
Toxic pollutants shall not be present at levels that will bioaccumulate in aquatic life to levels which are harmful to aquatic life or human health. No individual pesticide or combination of pesticides shall be present in concentrations that adversely affect beneficial uses. There shall be no bioaccumulation of pesticide concentrations found in bottom sediments or aquatic life.
The modified OEHHA Fish Contaminant Goal for selenium in shellfish tissue is 11 ppm. This screening level assumes an average body weight of 70 kg and a consumption rate of 21 g/day. A background dietary consuption rate of 0.114 mg/day is applied for this micronutrient. (Brodberg, R.K., and G.A. Pollock, 1999; Klasing, S., and R. Brodberg, 2008)
Samples are collected by hand from three sub-locations for each site. The composite sample was collected from Long Beach Breakwater, site LBBW.
Temporal Representation:
Representative samples of locally abundant species were collected during the winter on 3/4/2008
Environmental Conditions:
QAPP Information:
Samples were collected as part of the State Water Board's Mussel Watch Program which is a part of the National Oceanic Administration's (NOAAs) National Status and Trends (NS&T). Mussels are shipped to NOAAs contract labs for analysis of trace constituents and mussel condition. Analytical protocols follow those approved by NOAAs NS&T Program Additional background information can be found at:
http://ccma.nos.noaa.gov/stressors/pollution/nsandt/
QAPP Information Reference(s):
DECISION ID
98196
Region 4
San Pedro Bay Near Off Shore Zones
Pollutant:
Chlorpyrifos
Final Listing Decision:
Do Not List on 303(d) list (TMDL required list)
Last Listing Cycle's Final Listing Decision:
Do Not List on 303(d) list (TMDL required list)(2016)
Revision Status
Original
Impairment from Pollutant or Pollution:
Pollutant
Regional Board Conclusion:
This pollutant is being considered for placement on the CWA section 303(d) List under section 3.5 of the Listing Policy. Under section 3.5 a single line of evidence are necessary to assess listing status.
1 line of evidence is available in the administrative record to assess this pollutant.
0 of 1 sample exceeded the GUIDELINE.
Based on the readily available data and information, the weight of evidence indicates that there is insufficient justification for placing this water segment-pollutant combination on the CWA section 303(d) List. This conclusion is based on the staff findings that:
1. The data used satisfies the data quality requirements of section 6.1.4 of the Policy.
2. The data used satisfies the data quantity requirements of section 6.1.5 of the Policy.
3. 0 of 1 sample exceeded the GUIDELINE and this sample size is insufficient to determine, with the power and confidence of the Listing Policy, the applicable beneficial use support rating. A minimum of 16 samples is needed to determine if a beneficial use is fully supported using table 3.1.
4. Pursuant to SECTION 3.11 of the Listing Policy, no additional data and information are available indicating that standards are not met.
Regional Board Decision Recommendation:
After review of the available data and information, RWQCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list. The readily available data and information is insufficient to determine, with the power and confidence of the Listing Policy, the applicable beneficial use support rating.
State Board Review of Regional Board Conclusion and Recommendation:
State Board Decision Recommendation:
After review of this Regional Board decision, SWRCB staff recommend the decision be approved by the State Board.
Listing Extent:
Line of Evidence (LOE) for Decision ID 98196, Chlorpyrifos
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
88047
Pollutant:
Chlorpyrifos
LOE Subgroup:
Pollutant-Tissue
Matrix:
Tissue
Fraction:
Shellfish
Beneficial Use:
Shellfish Harvesting
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
Shellfish surveys
Data Used to Assess Water Quality:
The result did not exceed the guideline. Data were reported on a dry weight basis and were converted to a wet weight basis by multiplying the dry-weight concentration by a factor of 1 minus the percentage of moisture content expressed as a decimal.
California's Ocean Plan states that, "The concentration of organic materials in fish, shellfish or other marine resources used for human consumption shall not bioaccumulate to levels that are harmful to human health".
The modified OEHHA Fish Contaminant Goal for chlorpyrifos in shellfish tissue is 1,000 ppb. This screening level assumes an average body weight of 70 kg and a consumption rate of 21 g/day. (Brodberg, R.K., and G.A. Pollock, 1999; Klasing, S., and R. Brodberg, 2008; USEPA, 2000)
Samples are collected by hand from three sub-locations for each site. The composite sample was collected from Long Beach Breakwater, site LBBW.
Temporal Representation:
Representative samples of locally abundant species were collected during the winter on 3/4/2008
Environmental Conditions:
QAPP Information:
Samples were collected as part of the State Water Board's Mussel Watch Program which is a part of the National Oceanic Administration's (NOAAs) National Status and Trends (NS&T). Mussels are shipped to NOAAs contract labs for analysis of trace constituents and mussel condition. Analytical protocols follow those approved by NOAAs NS&T Program Additional background information can be found at:
http://ccma.nos.noaa.gov/stressors/pollution/nsandt/
QAPP Information Reference(s):
DECISION ID
98252
Region 4
San Pedro Bay Near Off Shore Zones
Pollutant:
Endosulfan
Final Listing Decision:
Do Not List on 303(d) list (TMDL required list)
Last Listing Cycle's Final Listing Decision:
Do Not List on 303(d) list (TMDL required list)(2016)
Revision Status
Original
Impairment from Pollutant or Pollution:
Pollutant
Regional Board Conclusion:
This pollutant is being considered for placement on the CWA section 303(d) List under section 3.5 of the Listing Policy. Under section 3.5 a single line of evidence are necessary to assess listing status.
1 line of evidence is available in the administrative record to assess this pollutant.
0 of 1 sample exceeded the GUIDELINE.
Based on the readily available data and information, the weight of evidence indicates that there is insufficient justification for placing this water segment-pollutant combination on the CWA section 303(d) List. This conclusion is based on the staff findings that:
1. The data used satisfies the data quality requirements of section 6.1.4 of the Policy.
2. The data used satisfies the data quantity requirements of section 6.1.5 of the Policy.
3. 0 of 1 sample exceeded the GUIDELINE and this sample size is insufficient to determine, with the power and confidence of the Listing Policy, the applicable beneficial use support rating. A minimum of 16 samples is needed to determine if a beneficial use is fully supported using table 3.1.
4. Pursuant to SECTION 3.11 of the Listing Policy, no additional data and information are available indicating that standards are not met.
Regional Board Decision Recommendation:
After review of the available data and information, RWQCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list. The readily available data and information is insufficient to determine, with the power and confidence of the Listing Policy, the applicable beneficial use support rating.
State Board Review of Regional Board Conclusion and Recommendation:
State Board Decision Recommendation:
After review of this Regional Board decision, SWRCB staff recommend the decision be approved by the State Board.
Listing Extent:
Line of Evidence (LOE) for Decision ID 98252, Endosulfan
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
88050
Pollutant:
Endosulfan
LOE Subgroup:
Pollutant-Tissue
Matrix:
Tissue
Fraction:
Shellfish
Beneficial Use:
Shellfish Harvesting
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
Shellfish surveys
Data Used to Assess Water Quality:
The sample did not exceed the guideline. Data were reported on a dry weight basis and were converted to a wet weight basis by multiplying the dry-weight concentration by a factor of 1 minus the percentage of moisture content expressed as a decimal. Total Endosulfan is the sum of Endosulfan I and Endosulfan II.
Toxic pollutants shall not be present at levels that will bioaccumulate in aquatic life to levels which are harmful to aquatic life or human health. No individual pesticide or combination of pesticides shall be present in concentrations that adversely affect beneficial uses. There shall be no bioaccumulation of pesticide concentrations found in bottom sediments or aquatic life.
The modified OEHHA Fish Contaminant Goal for endosulfan (l and ll) in shellfish tissue is 20,000 ppb. This screening level assumes an average body weight of 70 kg and a consumption rate of 21 g/day. (Brodberg, R.K., and G.A. Pollock, 1999; Klasing, S., and R. Brodberg, 2008; USEPA, 2000)
Samples are collected by hand from three sub-locations for each site. The composite sample was collected from Long Beach Breakwater, site LBBW.
Temporal Representation:
Representative samples of locally abundant species were collected during the winter on 3/4/2008
Environmental Conditions:
QAPP Information:
Samples were collected as part of the State Water Board's Mussel Watch Program which is a part of the National Oceanic Administration's (NOAAs) National Status and Trends (NS&T). Mussels are shipped to NOAAs contract labs for analysis of trace constituents and mussel condition. Analytical protocols follow those approved by NOAAs NS&T Program Additional background information can be found at:
http://ccma.nos.noaa.gov/stressors/pollution/nsandt/
QAPP Information Reference(s):
DECISION ID
98253
Region 4
San Pedro Bay Near Off Shore Zones
Pollutant:
Endrin
Final Listing Decision:
Do Not List on 303(d) list (TMDL required list)
Last Listing Cycle's Final Listing Decision:
Do Not List on 303(d) list (TMDL required list)(2016)
Revision Status
Original
Impairment from Pollutant or Pollution:
Pollutant
Regional Board Conclusion:
This pollutant is being considered for placement on the CWA section 303(d) List under section 3.5 of the Listing Policy. Under section 3.5 a single line of evidence are necessary to assess listing status.
1 line of evidence is available in the administrative record to assess this pollutant.
0 of 1 sample exceeded the GUIDELINE.
Based on the readily available data and information, the weight of evidence indicates that there is insufficient justification for placing this water segment-pollutant combination on the CWA section 303(d) List. This conclusion is based on the staff findings that:
1. The data used satisfies the data quality requirements of section 6.1.4 of the Policy.
2. The data used satisfies the data quantity requirements of section 6.1.5 of the Policy.
3. 0 of 1 sample exceeded the GUIDELINE and this sample size is insufficient to determine, with the power and confidence of the Listing Policy, the applicable beneficial use support rating. A minimum of 16 samples is needed to determine if a beneficial use is fully supported using table 3.1.
4. Pursuant to SECTION 3.11 of the Listing Policy, no additional data and information are available indicating that standards are not met.
Regional Board Decision Recommendation:
After review of the available data and information, RWQCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list. The readily available data and information is insufficient to determine, with the power and confidence of the Listing Policy, the applicable beneficial use support rating.
State Board Review of Regional Board Conclusion and Recommendation:
State Board Decision Recommendation:
After review of this Regional Board decision, SWRCB staff recommend the decision be approved by the State Board.
Listing Extent:
Line of Evidence (LOE) for Decision ID 98253, Endrin
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
88051
Pollutant:
Endrin
LOE Subgroup:
Pollutant-Tissue
Matrix:
Tissue
Fraction:
Shellfish
Beneficial Use:
Shellfish Harvesting
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
Shellfish surveys
Data Used to Assess Water Quality:
The sample did not exceed the guideline. Data were reported on a dry weight basis and were converted to a wet weight basis by multiplying the dry-weight concentration by a factor of 1 minus the percentage of moisture content expressed as a decimal.
Toxic pollutants shall not be present at levels that will bioaccumulate in aquatic life to levels which are harmful to aquatic life or human health. No individual pesticide or combination of pesticides shall be present in concentrations that adversely affect beneficial uses. There shall be no bioaccumulation of pesticide concentrations found in bottom sediments or aquatic life.
The modified OEHHA Fish Contaminant Goal for endrin in shellfish tissue is 1,000 ppb. This screening level assumes an average body weight of 70 kg and a consumption rate of 21 g/day. (Brodberg, R.K., and G.A. Pollock, 1999; Klasing, S., and R. Brodberg, 2008; USEPA, 2000)
Samples are collected by hand from three sub-locations for each site. The composite sample was collected from Long Beach Breakwater, site LBBW.
Temporal Representation:
Representative samples of locally abundant species were collected during the winter on 3/4/2008
Environmental Conditions:
QAPP Information:
Samples were collected as part of the State Water Board's Mussel Watch Program which is a part of the National Oceanic Administration's (NOAAs) National Status and Trends (NS&T). Mussels are shipped to NOAAs contract labs for analysis of trace constituents and mussel condition. Analytical protocols follow those approved by NOAAs NS&T Program Additional background information can be found at:
http://ccma.nos.noaa.gov/stressors/pollution/nsandt/
QAPP Information Reference(s):
DECISION ID
98254
Region 4
San Pedro Bay Near Off Shore Zones
Pollutant:
Heptachlor epoxide
Final Listing Decision:
Do Not List on 303(d) list (TMDL required list)
Last Listing Cycle's Final Listing Decision:
Do Not List on 303(d) list (TMDL required list)(2016)
Revision Status
Original
Impairment from Pollutant or Pollution:
Pollutant
Regional Board Conclusion:
This pollutant is being considered for placement on the CWA section 303(d) List under section 3.5 of the Listing Policy. Under section 3.5 a single line of evidence are necessary to assess listing status.
1 line of evidence is available in the administrative record to assess this pollutant.
0 of 1 sample exceeded the GUIDELINE.
Based on the readily available data and information, the weight of evidence indicates that there is insufficient justification for placing this water segment-pollutant combination on the CWA section 303(d) List. This conclusion is based on the staff findings that:
1. The data used satisfies the data quality requirements of section 6.1.4 of the Policy.
2. The data used satisfies the data quantity requirements of section 6.1.5 of the Policy.
3. 0 of 1 sample exceeded the GUIDELINE and this sample size is insufficient to determine, with the power and confidence of the Listing Policy, the applicable beneficial use support rating. A minimum of 16 samples is needed to determine if a beneficial use is fully supported using table 3.1.
4. Pursuant to SECTION 3.11 of the Listing Policy, no additional data and information are available indicating that standards are not met.
Regional Board Decision Recommendation:
After review of the available data and information, RWQCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list. The readily available data and information is insufficient to determine, with the power and confidence of the Listing Policy, the applicable beneficial use support rating.
State Board Review of Regional Board Conclusion and Recommendation:
State Board Decision Recommendation:
After review of this Regional Board decision, SWRCB staff recommend the decision be approved by the State Board.
Listing Extent:
Line of Evidence (LOE) for Decision ID 98254, Heptachlor epoxide
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
88052
Pollutant:
Heptachlor epoxide
LOE Subgroup:
Pollutant-Tissue
Matrix:
Tissue
Fraction:
Shellfish
Beneficial Use:
Shellfish Harvesting
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
Shellfish surveys
Data Used to Assess Water Quality:
The sample did not exceed the guideline. Data were reported on a dry weight basis and were converted to a wet weight basis by multiplying the dry-weight concentration by a factor of 1 minus the percentage of moisture content expressed as a decimal.
Toxic pollutants shall not be present at levels that will bioaccumulate in aquatic life to levels which are harmful to aquatic life or human health. No individual pesticide or combination of pesticides shall be present in concentrations that adversely affect beneficial uses. There shall be no bioaccumulation of pesticide concentrations found in bottom sediments or aquatic life.
The modified OEHHA Fish Contaminant Goal for heptachlor epoxide in shellfish tissue is 1.4 ppb. This screening level assumes an average body weight of 70 kg and a consumption rate of 21 g/day for a 30 year exposure over a 70-year lifetime. This constituent is a carcinogen therefore the risk level is set to one in a million. (Brodberg, R.K., and G.A. Pollock, 1999; Klasing, S., and R. Brodberg, 2008; OEHHA, 1999)
Samples are collected by hand from three sub-locations for each site. The composite sample was collected from Long Beach Breakwater, site LBBW.
Temporal Representation:
Representative samples of locally abundant species were collected during the winter on 3/4/2008
Environmental Conditions:
QAPP Information:
Samples were collected as part of the State Water Board's Mussel Watch Program which is a part of the National Oceanic Administration's (NOAAs) National Status and Trends (NS&T). Mussels are shipped to NOAAs contract labs for analysis of trace constituents and mussel condition. Analytical protocols follow those approved by NOAAs NS&T Program Additional background information can be found at:
http://ccma.nos.noaa.gov/stressors/pollution/nsandt/
QAPP Information Reference(s):
DECISION ID
98255
Region 4
San Pedro Bay Near Off Shore Zones
Pollutant:
Hexachlorobenzene/ HCB
Final Listing Decision:
Do Not List on 303(d) list (TMDL required list)
Last Listing Cycle's Final Listing Decision:
Do Not List on 303(d) list (TMDL required list)(2016)
Revision Status
Original
Impairment from Pollutant or Pollution:
Pollutant
Regional Board Conclusion:
This pollutant is being considered for placement on the CWA section 303(d) List under section 3.5 of the Listing Policy. Under section 3.5 a single line of evidence are necessary to assess listing status.
1 line of evidence is available in the administrative record to assess this pollutant.
0 of 1 sample exceeded the GUIDELINE.
Based on the readily available data and information, the weight of evidence indicates that there is insufficient justification for placing this water segment-pollutant combination on the CWA section 303(d) List. This conclusion is based on the staff findings that:
1. The data used satisfies the data quality requirements of section 6.1.4 of the Policy.
2. The data used satisfies the data quantity requirements of section 6.1.5 of the Policy.
3. 0 of 1 sample exceeded the GUIDELINE and this sample size is insufficient to determine, with the power and confidence of the Listing Policy, the applicable beneficial use support rating. A minimum of 16 samples is needed to determine if a beneficial use is fully supported using table 3.1.
4. Pursuant to SECTION 3.11 of the Listing Policy, no additional data and information are available indicating that standards are not met.
Regional Board Decision Recommendation:
After review of the available data and information, RWQCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list. The readily available data and information is insufficient to determine, with the power and confidence of the Listing Policy, the applicable beneficial use support rating.
State Board Review of Regional Board Conclusion and Recommendation:
State Board Decision Recommendation:
After review of this Regional Board decision, SWRCB staff recommend the decision be approved by the State Board.
Listing Extent:
Line of Evidence (LOE) for Decision ID 98255, Hexachlorobenzene/ HCB
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
88053
Pollutant:
Hexachlorobenzene/ HCB
LOE Subgroup:
Pollutant-Tissue
Matrix:
Tissue
Fraction:
Shellfish
Beneficial Use:
Shellfish Harvesting
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
Shellfish surveys
Data Used to Assess Water Quality:
The sample did not exceed the guideline. Data were reported on a dry weight basis and were converted to a wet weight basis by multiplying the dry-weight concentration by a factor of 1 minus the percentage of moisture content expressed as a decimal.
Toxic pollutants shall not be present at levels that will bioaccumulate in aquatic life to levels which are harmful to aquatic life or human health. No individual pesticide or combination of pesticides shall be present in concentrations that adversely affect beneficial uses. There shall be no bioaccumulation of pesticide concentrations found in bottom sediments or aquatic life.
The modified OEHHA Fish Contaminant Goal for hexachlorobenzene in shellfish tissue is 4.3 ppb. This screening level assumes an average body weight of 70 kg and a consumption rate of 21 g/day for a 30 year exposure over a 70-year lifetime. This constituent is a carcinogen therefore the risk level is set to one in a million. (Brodberg, R.K., and G.A. Pollock, 1999; Klasing, S., and R. Brodberg, 2008; OEHHA, 2005)
Samples are collected by hand from three sub-locations for each site. The composite sample was collected from Long Beach Breakwater, site LBBW.
Temporal Representation:
Representative samples of locally abundant species were collected during the winter on 3/4/2008
Environmental Conditions:
QAPP Information:
Samples were collected as part of the State Water Board's Mussel Watch Program which is a part of the National Oceanic Administration's (NOAAs) National Status and Trends (NS&T). Mussels are shipped to NOAAs contract labs for analysis of trace constituents and mussel condition. Analytical protocols follow those approved by NOAAs NS&T Program Additional background information can be found at:
http://ccma.nos.noaa.gov/stressors/pollution/nsandt/
QAPP Information Reference(s):
DECISION ID
98314
Region 4
San Pedro Bay Near Off Shore Zones
Pollutant:
Lindane/gamma Hexachlorocyclohexane (gamma-HCH)
Final Listing Decision:
Do Not List on 303(d) list (TMDL required list)
Last Listing Cycle's Final Listing Decision:
Do Not List on 303(d) list (TMDL required list)(2016)
Revision Status
Original
Impairment from Pollutant or Pollution:
Pollutant
Regional Board Conclusion:
This pollutant is being considered for placement on the CWA section 303(d) List under section 3.5 of the Listing Policy. Under section 3.5 a single line of evidence are necessary to assess listing status.
1 line of evidence is available in the administrative record to assess this pollutant.
0 of 1 sample exceeded the GUIDELINE.
Based on the readily available data and information, the weight of evidence indicates that there is insufficient justification for placing this water segment-pollutant combination on the CWA section 303(d) List. This conclusion is based on the staff findings that:
1. The data used satisfies the data quality requirements of section 6.1.4 of the Policy.
2. The data used satisfies the data quantity requirements of section 6.1.5 of the Policy.
3. 0 of 1 sample exceeded the GUIDELINE and this sample size is insufficient to determine, with the power and confidence of the Listing Policy, the applicable beneficial use support rating. A minimum of 16 samples is needed to determine if a beneficial use is fully supported using table 3.1.
4. Pursuant to SECTION 3.11 of the Listing Policy, no additional data and information are available indicating that standards are not met.
Regional Board Decision Recommendation:
After review of the available data and information, RWQCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list. The readily available data and information is insufficient to determine, with the power and confidence of the Listing Policy, the applicable beneficial use support rating.
State Board Review of Regional Board Conclusion and Recommendation:
State Board Decision Recommendation:
After review of this Regional Board decision, SWRCB staff recommend the decision be approved by the State Board.
Listing Extent:
Line of Evidence (LOE) for Decision ID 98314, Lindane/gamma Hexachlorocyclohexane (gamma-HCH)
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
88054
Pollutant:
Lindane/gamma Hexachlorocyclohexane (gamma-HCH)
LOE Subgroup:
Pollutant-Tissue
Matrix:
Tissue
Fraction:
Shellfish
Beneficial Use:
Shellfish Harvesting
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
Shellfish surveys
Data Used to Assess Water Quality:
The sample did not exceed the guideline. Data were reported on a dry weight basis and were converted to a wet weight basis by multiplying the dry-weight concentration by a factor of 1 minus the percentage of moisture content expressed as a decimal.
Toxic pollutants shall not be present at levels that will bioaccumulate in aquatic life to levels which are harmful to aquatic life or human health. No individual pesticide or combination of pesticides shall be present in concentrations that adversely affect beneficial uses. There shall be no bioaccumulation of pesticide concentrations found in bottom sediments or aquatic life.
The modified OEHHA Fish Contaminant Goal for lindane in shellfish tissue is 7.1 ppb. This screening level assumes an average body weight of 70 kg and a consumption rate of 21 g/day for a 30 year exposure over a 70-year lifetime. This constituent is a carcinogen therefore the risk level is set to one in a million. (Brodberg, R.K., and G.A. Pollock, 1999; Klasing, S., and R. Brodberg, 2008; OEHHA, 2005)
Samples are collected by hand from three sub-locations for each site. The composite sample was collected from Long Beach Breakwater, site LBBW.
Temporal Representation:
Representative samples of locally abundant species were collected during the winter on 3/4/2008
Environmental Conditions:
QAPP Information:
Samples were collected as part of the State Water Board's Mussel Watch Program which is a part of the National Oceanic Administration's (NOAAs) National Status and Trends (NS&T). Mussels are shipped to NOAAs contract labs for analysis of trace constituents and mussel condition. Analytical protocols follow those approved by NOAAs NS&T Program Additional background information can be found at:
http://ccma.nos.noaa.gov/stressors/pollution/nsandt/
QAPP Information Reference(s):
DECISION ID
98371
Region 4
San Pedro Bay Near Off Shore Zones
Pollutant:
Mirex
Final Listing Decision:
Do Not List on 303(d) list (TMDL required list)
Last Listing Cycle's Final Listing Decision:
Do Not List on 303(d) list (TMDL required list)(2016)
Revision Status
Original
Impairment from Pollutant or Pollution:
Pollutant
Regional Board Conclusion:
This pollutant is being considered for placement on the CWA section 303(d) List under section 3.5 of the Listing Policy. Under section 3.5 a single line of evidence are necessary to assess listing status.
1 line of evidence is available in the administrative record to assess this pollutant.
0 of 0 sample exceeded the GUIDELINE.
Based on the readily available data and information, the weight of evidence indicates that there is insufficient justification for placing this water segment-pollutant combination on the CWA section 303(d) List. This conclusion is based on the staff findings that:
1. The data used satisfies the data quality requirements of section 6.1.4 of the Policy.
2. The data used satisfies the data quantity requirements of section 6.1.5 of the Policy.
3. 0 of 0 sample exceeded the GUIDELINE and this sample size is insufficient to determine, with the power and confidence of the Listing Policy, the applicable beneficial use support rating. A minimum of 16 samples is needed to determine if a beneficial use is fully supported using table 3.1.
4. Pursuant to SECTION 3.11 of the Listing Policy, no additional data and information are available indicating that standards are not met.
Regional Board Decision Recommendation:
After review of the available data and information, RWQCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list. The readily available data and information is insufficient to determine, with the power and confidence of the Listing Policy, the applicable beneficial use support rating.
State Board Review of Regional Board Conclusion and Recommendation:
State Board Decision Recommendation:
After review of this Regional Board decision, SWRCB staff recommend the decision be approved by the State Board.
Listing Extent:
Line of Evidence (LOE) for Decision ID 98371, Mirex
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
88056
Pollutant:
Mirex
LOE Subgroup:
Pollutant-Tissue
Matrix:
Tissue
Fraction:
Shellfish
Beneficial Use:
Shellfish Harvesting
Number of Samples:
0
Number of Exceedances:
0
Data and Information Type:
Shellfish surveys
Data Used to Assess Water Quality:
The non detect result was not included in the assessment since the reporting limit was above the evaluation guideline. MDL were provided by NOAA Federal and RL were calculated by multiplying 3.18 by the MDL.
California's Ocean Plan states that, "The concentration of organic materials in fish, shellfish or other marine resources used for human consumption shall not bioaccumulate to levels that are harmful to human health".
The modified OEHHA Fish Contaminant Goal for mirex in shellfish tissue is 0.43 ppb. This screening level assumes an average body weight of 70 kg and a consumption rate of 21 g/day. (Brodberg, R.K., and G.A. Pollock, 1999; Klasing, S., and R. Brodberg, 2008; OEHHA, 1992)
Samples are collected by hand from three sub-locations for each site. The composite sample was collected from Long Beach Breakwater, site LBBW.
Temporal Representation:
Representative samples of locally abundant species were collected during the winter on 3/4/2008
Environmental Conditions:
QAPP Information:
Samples were collected as part of the State Water Board's Mussel Watch Program which is a part of the National Oceanic Administration's (NOAAs) National Status and Trends (NS&T). Mussels are shipped to NOAAs contract labs for analysis of trace constituents and mussel condition. Analytical protocols follow those approved by NOAAs NS&T Program Additional background information can be found at:
http://ccma.nos.noaa.gov/stressors/pollution/nsandt/
QAPP Information Reference(s):
DECISION ID
98316
Region 4
San Pedro Bay Near Off Shore Zones
Pollutant:
Selenium
Final Listing Decision:
Do Not List on 303(d) list (TMDL required list)
Last Listing Cycle's Final Listing Decision:
Do Not List on 303(d) list (TMDL required list)(2016)
Revision Status
Original
Impairment from Pollutant or Pollution:
Pollutant
Regional Board Conclusion:
This pollutant is being considered for placement on the CWA section 303(d) List under section 3.5 of the Listing Policy. Under section 3.5 a single line of evidence are necessary to assess listing status.
1 line of evidence is available in the administrative record to assess this pollutant.
0 of 1 sample exceeded the GUIDELINE.
Based on the readily available data and information, the weight of evidence indicates that there is insufficient justification for placing this water segment-pollutant combination on the CWA section 303(d) List. This conclusion is based on the staff findings that:
1. The data used satisfies the data quality requirements of section 6.1.4 of the Policy.
2. The data used satisfies the data quantity requirements of section 6.1.5 of the Policy.
3. 0 of 1 sample exceeded the GUIDELINE and this sample size is insufficient to determine, with the power and confidence of the Listing Policy, the applicable beneficial use support rating. A minimum of 16 samples is needed to determine if a beneficial use is fully supported using table 3.1.
4. Pursuant to SECTION 3.11 of the Listing Policy, no additional data and information are available indicating that standards are not met.
Regional Board Decision Recommendation:
After review of the available data and information, RWQCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list. The readily available data and information is insufficient to determine, with the power and confidence of the Listing Policy, the applicable beneficial use support rating.
State Board Review of Regional Board Conclusion and Recommendation:
State Board Decision Recommendation:
After review of this Regional Board decision, SWRCB staff recommend the decision be approved by the State Board.
Listing Extent:
Line of Evidence (LOE) for Decision ID 98316, Selenium
Region 4
San Pedro Bay Near Off Shore Zones
LOE ID:
88062
Pollutant:
Selenium
LOE Subgroup:
Pollutant-Tissue
Matrix:
Tissue
Fraction:
Shellfish
Beneficial Use:
Shellfish Harvesting
Number of Samples:
1
Number of Exceedances:
0
Data and Information Type:
Shellfish surveys
Data Used to Assess Water Quality:
The sample did not exceed the guideline. Data were reported on a dry weight basis and were converted to a wet weight basis by multiplying the dry-weight concentration by a factor of 1 minus the percentage of moisture content expressed as a decimal.
Toxic pollutants shall not be present at levels that will bioaccumulate in aquatic life to levels which are harmful to aquatic life or human health. No individual pesticide or combination of pesticides shall be present in concentrations that adversely affect beneficial uses. There shall be no bioaccumulation of pesticide concentrations found in bottom sediments or aquatic life.
The modified OEHHA Fish Contaminant Goal for selenium in shellfish tissue is 11 ppm. This screening level assumes an average body weight of 70 kg and a consumption rate of 21 g/day. A background dietary consuption rate of 0.114 mg/day is applied for this micronutrient. (Brodberg, R.K., and G.A. Pollock, 1999; Klasing, S., and R. Brodberg, 2008)
Samples are collected by hand from three sub-locations for each site. The composite sample was collected from Long Beach Breakwater, site LBBW.
Temporal Representation:
Representative samples of locally abundant species were collected during the winter on 3/4/2008
Environmental Conditions:
QAPP Information:
Samples were collected as part of the State Water Board's Mussel Watch Program which is a part of the National Oceanic Administration's (NOAAs) National Status and Trends (NS&T). Mussels are shipped to NOAAs contract labs for analysis of trace constituents and mussel condition. Analytical protocols follow those approved by NOAAs NS&T Program Additional background information can be found at:
http://ccma.nos.noaa.gov/stressors/pollution/nsandt/