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Tracer ea0arch Corporation <br /> I <br /> i <br /> CER'1'1 FI C A TI nN <br /> Job Number : 011061a <br /> Location: USA Petroleum#65 Date : 04/05/93 <br /> 2500 West Lodi <br /> Lodi, CA <br /> A-N—Kj PRQU "1' _ SIZ i•.n _ TRACER LEAK STATI IS <br /> Tank 1 Unl. Plus 12,000 F Pass <br /> Tank 2 Unleaded 12,000 D Pass <br /> Tank 3 Premium 12,000 C Fail <br /> Tracer Research Corporation certifies that the tanks listed in the above table have <br /> been tested by means of Tracer 'fight@, which meets the criteria set forth in NFPA 329 for <br /> a precision leak test. According to EPA standard test procedures for evaluating leak <br /> detection methods, the Tracer TightCR method is capable of detecting leaks of 0.05 gallons <br /> per hour with a Probability of Detection (Pt-)) of 0.97 and Probability of False Alann <br /> (PFA) of 0.029. <br /> Submitted by: <br /> Carolyn Norby <br /> Tracer Research Corporation <br /> 'festers State License Number: 93-1386 <br /> The following criteria are used for the classification of leakage based on the presence or <br /> absence of tracer. <br /> PASS FAIL <br /> Criteria: Criteria: <br /> No tracer detected tracer detected <br /> ti� <br />