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*a1ifomia Edition: August, 1996 <br /> SIR International,Inc. <br /> Mitchell's SIR Program,Version 2.7 <br /> STATISTICAL INVENTORY RECONCILIATION(SIR) METHOD <br /> Certification: Method certified to detect a 0.2 gph leak rate with Po=99% &PF,,= 1%. <br /> Leak Threshold: If the absolute value of the calculated leak rate (gain or loss) is less than the leak <br /> threshold and the minimum detectable leak rate is less than or equal to 0.2 gph, <br /> the test result is"pass". if the absolute value of the calculated leak rate is greater <br /> than or equal to the leak threshold,the result is"fail". If the minimum detectable <br /> leak rate exceeds 0.2 gph and the absolute value of the calculated leak rate is less <br /> than the leak threshold,the test result is"inconclusive." This method uses a fixed <br /> threshold of 0.1 gph. <br /> Applicability: Gasoline,diesel, aviation, and fuel oil#4. California regulations limit use of SIR <br /> test methods to motor vehicle fuels only. <br /> Capacity: Maximum tank capacity is 45,000 gallons. The maximum combined volume <br /> limitation for all tanks in the manifolded system is 45,000 gallons. The maximum <br /> number of tanks in the manifold is four tanks. <br /> Data Requirement: Fuel level and flow through data provided to the SIR vendor must cover 23 days or <br /> .more. The minimum number of useable days is dependent on the quality of the <br /> data. <br /> Comments: The median monthly throughput for tanks used in the evaluation was 24,236 <br /> gallons. <br /> Data sets used in this evaluation were supplied by the evaluator. <br /> EPA quantitative protocol was used in this evaluation. <br /> Sir International,Inc. Evaluator. Ken Wilcox Associates,Inc. <br /> 10235 W.Little York Road,Suite 19401 E.40 Highway . <br /> Houston,TX 77040 Independence,MO 64055 <br /> (713) 937-6886 <br /> (713)937-1836 Fax Date of Evaluation: 064l-95 <br /> Post-it"Fax Note 7671 Date 2 pages® <br /> To From <br /> Co./Dept. Co. <br /> Phone# Phone# <br /> Fax# Fax# <br /> r <br /> Appearance on this list is not tolanstruad as an endorsement by any regulatory agenris it any guarantee of the performance <br /> of the method of equipment <br />