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Issue Date: 6/29/20
SIRmadeSimple
Version 1.0 Monthly Monitoring (0.2 gal/hr leaks and 0.1 gal/hr leaks)
STATISTICAL INVENTORY
RECONCILIATION TEST METHOD (QUANTITATIVE)
| Certification |
Leak rate of 0.2 gph with PD = 99.9% and PFA = 0.0%.
Leak rate of 0.1 gph with PD = 99.0% and PFA = 0.01%. |
| Leak
Threshold |
0.1 gph for leak rate of 0.2 gph.
0.05 gph for leak rate of 0.1 gph.
A tank system should not be declared tight if the test result indicates a loss or gain that equals or exceeds this threshold. |
| Applicability |
Gasoline,
diesel. |
| Tank
Capacity |
Maximum of 45,000 gallons. |
| Data
Requirement |
Minimum of 21 days of usable product level and flow through data are required. |
| Comments |
This method is used as a monthly monitoring method.
This method cannot be used as a tightness test.
Evaluated for use on a manifolded tank system not to exceed 45,000 gallons that contains no more than 4 tanks in its system.
Maximum throughput is 127,068.9 gallons.
70% of data sets evaluated were from manifolded tank systems.
73% of data sets evaluated used data collected by Automatic tank gauges.
Of 100 data sets submitted for evaluation, all were analyzed with conclusive results. |
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David N. Brevard
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Evaluator: Ken Wilcox Associates
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ACCENT Environmental Services, Inc.
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1125 Valley Ridge Dr.
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PO Box 3289
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Grain Valley, MO 64029
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Lufkin, TX 75903
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Tel: (816) 443-2494 |
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Email: info@accent-us.com |
Date of Evaluation: 09/01/2014 |
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Tel: (936)225-5000 |
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