Issue Date: April 18, 1997
Revision Date: January 11, 2001
Horner Products, Inc.
SIR PRO 1 Versions 3.0
Statistical Inventory Reconciliation Test Method (Quantitative)
| Certification | Leak rate of 0.2 gph with PD > 99.9% and PFA < 0.1% for leak threshold of 0.1 gph. Leak rate of 0.2 gph with PD > 97.2% and PFA < 0.1% for leak threshold of 0.16 gph. |
|---|---|
| Leak Threshold | If the absolute value of the calculated leak rate (gain or loss) is less than the leak threshold and the minimum detectable leak rate is less than or equal to 0.2 gph, the test result is "pass." If the absolute value of the calculated leak rate is greater than or equal to the leak threshold, the result is "fail." If the minimum detectable leak rate exceeds 0.2 gph and the absolute value of the calculated leak rate is less than the leak threshold, the test result is "inconclusive." |
| Applicability | Gasoline, diesel. Other more viscous liquids may be tested after consultation with the vendor. |
| Tank Capacity | Maximum of 45,000 gallons for single tanks. Maximum of 45,000 gallons cumulative capacity for manifolded tank systems with no more than 4 tanks in system. |
| Data Requirement | Minimum of 30 days of product level and flow through data. |
| System Features | Method of data analysis that system employs, and was used during evaluation process, is exclusive of any external control by vendor. System consists of a fully automated software package with embedded algorithms for conducting leak detection testing. Consequently, third party evaluation procedure demonstrated that system can be used in-house with no requirement for direct vendor participation. |
| Evaluation Features | This system was tested for in-house use. Vendor, with evaluator present, analyzed required data and performed evaluation using program disk only. Results were presented to evaluator directly from the computer without additional vendor involvement. |
| Comments | 73% of data sets were from manifolded tank systems. Of 41 data sets submitted for evaluation, 4 were inconclusive. Median monthly throughput of tanks evaluated was 22,370 gallons. Leak rates of 0.05, 0.1, and 0.2 gph were used in evaluation. Data sets evaluated were supplied by evaluator. |
- Horner Products, Inc.
104 Little Killarney Beach
Bay City, MI 48706
Tel: (800) 443-0711 - Evaluator: Ken Wilcox Associates
Tel: (816) 443-2494
Date of Evaluation: 04/07/93, 07/18/95, 06/16/00
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