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Issue Date: November 14, 1997
Revision Date: April 5, 2002
Veeder-Root
(originally listed as Ustman Industries, Inc.)
USTMAN YES SIR 90
STATISTICAL INVENTORY RECONCILIATION TEST METHOD (QUALITATIVE)
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Certification
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Leak rate of 0.2 gph with PD = 96.3% and PFA = 3.9%.
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Leak Threshold
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0.1 gph.
A tank system should not be declared tight when a
consistent loss or gain equals or exceeds this threshold that is statistically
significant from zero at the 5% confidence level.
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Applicability
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Gasoline, diesel.
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Tank Capacity
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Maximum of 15,000 gallons.
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Data Requirement
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Minimum of 35 days of product level and flow through data.
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Comments
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Not evaluated using manifolded tank systems.
Of 120 data sets
submitted for evaluation, 15 were inconclusive.
Median monthly throughput of
tanks evaluated was 15,867 gallons.
Data sets evaluated were supplied by
evaluator.
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Gilbarco/Veeder Root |
Evaluator:
Midwest Research Institute
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Attn: CMS Mailstop F-76
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Tel:
(816) 753-7600
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7300 West Friendly Ave.
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Date of Evaluation:
12/17/90
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P.O. Box 22087 |
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Greensboro, NC 27420-2087 |
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Tel:
(800) 253-8054
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