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Issue Date: November 14, 1997
Revision Date: April 11, 2011
National Environmental, LLC
(formerly Advanced
Telemetrics, Ltd.)
Tanknetics
SIR, Version 2.1
STATISTICAL INVENTORY
RECONCILIATION TEST METHOD (QUANTITATIVE)
| Certification |
Leak rate of 0.2 gph with PD = 99.9% and PFA = 0.1%.
Leak rate of 0.1
gph with PD = 99.9% and PFA = 0.5%. |
Leak
Threshold |
0.10 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 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 28 days of product level and flow through data. |
| Comments |
51% of data sets evaluated were from manifolded tank systems.
Of 41 data sets submitted for evaluation, all were analyzed with
conclusive results.
Median monthly throughput of tanks evaluated was 18,897 gallons.
Leak rates ranging from 0.043 to 0.234 gph were used in evaluation. Data
sets evaluated were supplied by evaluator. |
|
National
Environmental, LLC
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Evaluator:
Ken Wilcox Associates
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560 CR 275
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Tel: (816) 443-2494
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Water
Valley, MS 38965
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Date
of Evaluation: 01/28/97
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Tel: (800)-520-4802 |
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E-Mail: james@tanknetics.com |
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Website: www.tanknetics.com |
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