Revision Date: June 2008

Bulk Underground Storage Tank Leak Detection Method
(50,000 gallons or greater)

Select vendor's equipment name to go to that listing.

Vendor Equipment Name Leak Rate/Threshold/Max Product Surface Area
ASTTest Services, Inc. ASTTest Mass Balance Leak Detection System [(product surface area in ft² ÷ 5,575 ft²) x 0.88 gph]/[(product surface area in ft² ÷ 5,575 ft²) x 0.44 gph]/13,938 ft²
Engineering Design Group EDG XLD 2000 Plus (Revision 1.02) Leak Detection System
(MTS DDA Magnetostrictive Probe)
[(product surface area in ft² ÷ 12,074 ft²) x 1.92 gph]/[(product surface area in ft² ÷ 12,074 ft²) x 0.96 gph]/12,076 ft².
Ronan X-76 CTM Automatic Tank Gauging System
(MTS Level Plus UST Probe)
[(product surface area in ft² ÷ 564 ft²) x 0.2 gph]/[(product surface area in ft² ÷ 564 ft²) x 0.96 gph]/846 ft².
Leak Detection Technologies, Inc. MDleak Enhanced Leak Detection Method (Bulk 50,000 gallons or greater) 0.005 gph / when the chemical marker detected exceeds the background level outside of the pipeline / Not limited by capacity
Mass Technology Corp. Precision Mass Measurement System, SIM-1000 and CBU-1000 (24 hour test) [(product surface area in ft² ÷ 1,257 ft²) x 0.1 gph]/[(product surface area in ft² ÷ 1,257 ft²) x 0.05 gph]/3,143 ft².
Precision Mass Measurement System, SIM-1000 and CBU-1000 (48 hour test) [(product surface area in ft² ÷ 6,082 ft²) x 0.294 gph]/[(product surface area in ft² ÷ 6,082 ft²) x 0.147 gph]/6,082 ft².
Precision Mass Measurement System, SIM-1000 and CBU-1000 (72 hour test) [(product surface area in ft² ÷ 14,200 ft²) x 0.638 gph]/[(product surface area in ft² ÷ 14,200 ft²) x 0.319 gph]/35,500 ft².
Praxair Services, Inc. (originally listed as Tracer Research, Corp.) Tracer ALD 2000 Automated Tank Tightness Test 0.1 gph/ A tank system should not be declared tight when tracer chemical or hydrocarbon greater that the background level is detected outside of the tank./Not limited by capacity.
Universal Sensors and Devices, Inc. LTC-1000
(Mass Buoyancy Probe)
[(product surface area in ft² ÷ 14,244 ft²) x 1.4 gph]/[(product surface area in ft² ÷ 14,244 ft²) x 0.7 gph]/35,610 ft².
LTC-2000
(Differential Pressure Probe)
[(product surface area in ft² ÷ 14,244 ft²) x 3.0 gph]/[(product surface area in ft² ÷ 14,244 ft²) x 1.5 gph]/35,610 ft².
Varec, Inc. (originally listed as Coggins Systems, Inc. and later as Endress+Hauser Systems and Gauging) Fuels Manager and Remote Terminal Unit (RTU/8130)
(MTS Magnetostrictive Probe)
[(product surface area in ft² ÷ 616 ft²) x 0.2 gph]/[(product surface area in ft² ÷ 616 ft²) x 0.1 gph]/924 ft²
Fuels Manager with Barton Series 3500 ATG
(48 hour test)
(72 hour test)
[(product surface area in ft² ÷ 6,082 ft²) x 2.0 surface area in ft² ÷ 6,082 ft²) x 1.0 gph]/15,205 ft².

FuelsManager with Enraf 854 ATG (Servo Buoyancy Probe) [(product surface area in ft² ÷ 11,786 ft²) x 3.00 gph]/[(product surface area in ft² ÷ 11,786 ft²) x 1.50 gph]/ 11,786 ft²
FuelsManager with MTS M-Series ATG (MTS Magnetostrictive Probe) [(product surface area in ft² ÷ 11,786 ft²) x 4.50 gph]/[(product surface area in ft² ÷ 11,786 ft²) x 2.25 gph]/ 11,786 ft²
Vista Research, Inc. and Naval Facilities Engineering Service Center LRDP-24 (V1.0.2, V1.0.3) [(product surface area in ft² ÷ 6,082 ft²) x 2.0 or 3.0 gph]/[(product surface area in ft² ÷ 6,082 ft²) x (2.0 or 3.0 gph - 0.223 gph)]/15,205 ft².
LRDP-48 (V1.0.2, V1.0.3) [(product surface area in ft² ÷ 6,082 ft²) x 2.0 or 3.0 gph]/[(product surface area in ft² ÷ 6,082 ft²) x (2.0 or 3.0 gph - 0.188 gph)]/15,205 ft².
LRDP-24 (V1.1) [(product surface area in ft² ÷ 6,082 ft²) x 0.856 gph]/[(product surface area in ft² ÷ 6,082 ft²) x 0.632 gph]/15,205 ft².
LRDP-48 (V1.1) [(product surface area in ft² ÷ 6,082 ft²) x 0.749 gph]/[(product surface area in ft² ÷ 6,082 ft²) x 0.563 gph]/15,205 ft².