Issue Date: May 16, 2019

ASIS Automation and Fueling Systems, Inc.

FOX SIR V1 and V2


Certification Leak rate of 0.2 gph with PD > 99.9 % and PFA < 0.1% (Version 2).
Leak rate of 0.1 gph with PD = 96.5% and PFA = 3.5% (Version 1).
Leak Threshold 0.1 gph for leak rate of 0.2 gph (Version 2).
0.05 gph for leak rate of 0.1 gph (Version 1).
A tank system should not be declared tight if the test result indicates a loss or gain that equals or exceeds the threshold level of the version selected.
Applicability Gasoline, diesel. 
Tank Capacity Maximum of 20,000 gallons for single tank.
Maximum of 60,000 gallons cumulative capacity for manifolded tank systems with no more than 4 tanks in system.
Throughput Maximum monthly throughput of 115,000 gallons.
Data Requirement Minimum of 30 days of product level and flow through data.
This method allows for closure of the station up to 2 days per week.
This method does not require meter calibration.
Comments 63% of data sets evaluated were from manifolded tank systems.
Of 41 data sets submitted for evaluation, 5 had inconclusive results with 2 coming from single tank systems and 3 coming from 2-tank manifold systems.
Median monthly throughput of tanks evaluated was 20,086 gallons.
Leak rates of 0.1, 0.2, and 0.3 gph were used in the evaluation.
Data sets evaluated were randomly selected from a database of inventory records maintained by evaluator.


ASIS Automation and Fueling Systems, Inc.

Evaluator: Ken Wilcox Associates

Tatlisu Mahallesi Akif Inan Sokak No: 14

Tel: (816) 443-2494

Istanbul, Turkey 34775

Dates of Evaluation:  April 3, 2019

Phone: +90 216 540 6464



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