Issue Date: November 22, 1995
Revision Date: November 21, 2003

(originally listed as Entropy Limited)

Precision Tank Inventory Control System Version 90


Certification Leak rate of 0.1 gph with PD = 97.9% and PFA = 0%.
Leak Threshold 0.04 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 15,000 gallons.
Data Requirement Minimum of 64 days of product level and flow through data.
Comments Not evaluated using data from manifolded tank systems. 
Of 120 data sets submitted for evaluation, 13 were not evaluated and 16 were inconclusive. 
Median monthly throughput of tanks evaluated was 42,835 gallons. 
Data sets evaluated were supplied by evaluator.


Gilbarco/Veeder Root

Evaluator:  Midwest Research Institute

Attn: CMS Mailstop F-76

Tel:  (816) 753-7600

7300 West Friendly Ave.

Date of Evaluation:  04/02/91

P.O. Box 22087


Greensboro, NC 27420-2087  
Tel:  (800) 253-8054  

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