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Issue Date: April 18, 1997
Revision Date: July 12, 2017
Simmons Corp.
SIR 5.7 LM
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 < 1.0%. |
| 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.
Gains (water
ingress) are analyzed and evaluated on an individual basis. |
| Applicability |
Gasoline,
diesel , new crank oil, used crank oil, aviation fuel, kerosene, waste oil. |
| Tank
Capacity |
Maximum of 60,000
gallons for single tank.
Maximum of 60,000 gallons cumulative capacity for manifolded tank systems
with no more than 5 tanks in system. |
| Data
Requirement |
Minimum of 27
days of product level and flow through data. |
| Comments |
61% of data sets
evaluated were from manifolded tank systems.
17% of data sets evaluated used data collected by Automatic tank
gauges.
Of 41 data sets submitted for evaluation, all were analyzed with
conclusive results.
Median monthly throughput of tanks evaluated was 55,791 gallons.
Leak rates of 0.05, 0.1 and 0.2 gph were used in evaluation.
Data sets evaluated were supplied by evaluator. |
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Simmons
Corp.
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Evaluator:
S.S.G. Associates
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106 E.
Main Street
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Tel:
(662) 234-1179
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Richardson,
TX 75081-3327
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Dates of
Evaluation: 10/28/95,
02/15/00, 09/03/01
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Tel:
(800) 848-8378
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E-mail: howard.dockery@simmons-corp.com |
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URL: www.simmons-corp.com |
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