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Issue Date: April 25, 2012
Fairbanks
Environmental Ltd.
Wetstock Wizard
Version 4.4
STATISTICAL INVENTORY
RECONCILIATION TEST METHOD (QUALITATIVE)
| Certification |
Leak rate of 0.2
gph with PD > 99% and PFA < 1% for both single and manifolded tank systems |
| Leak
Threshold |
0.10 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, kerosene. |
| 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 throughput data. |
| Comments |
Inventory data was
submitted by vendor to evaluator who adjusted data and returned to vendor
for analysis.
49% of data sets were from manifolded tank systems.
Of 41 data sets submitted for evaluation, 36 were
analyzed with conclusive results.
Median monthly throughput of tanks evaluated was 25,173 gallons.
Leak rates of 0.05, 0.1, and 0.2 gph were used in evaluation.
Results of
evaluation is applicable only for tanks using ATGs to collect data. |
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Faribanks Environmental, Ltd.
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Evaluator:
Ken Wilcox Associates
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The Technology Management Center
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Tel:
(816) 443-2494
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Moss View Lane
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Date of
Evaluation: 11/10/2004 (rev.
8/10/2006)
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Skelmersdale, Lancashire, UK |
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Phone
+44
(0) 1695
51775
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