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MAR-23-2010 09:53 Service Station Systems 408 938 8888 P.04i11 <br /> 4, TANK ANNULAR TESTING. <br /> Test Method Developed By: ❑Tank Manufacturer 0 Industry Standard ❑ Professional Engineer , <br /> ❑ Other(Spec) <br /> Test Method Used: ❑Pressure 0 Vacuum ❑Hydrostatic <br /> ❑Other(Specify) <br /> Test Equipment Used: Test plugs,venturi pump and gaugesi Equipment Resolution: 0.5% of span <br /> , M1; <br /> Tank#87 Tank# 91/Diesel <br /> i, <br /> Is Tank Exempt From Testing?' ❑Yes 0 No ❑Ycs 0 No <br /> Tank Capacity: l0k 20k <br /> Tank Material: Steel Steel <br /> Tank Manufacturer: Modern welding Modem welding <br /> Product Stored: Gasoline Gasoline/Diesel <br /> Wait time between applying <br /> pressure/vacuum/water and 10 min. 10 min. <br /> start test: <br /> Test Start Time: 9:30 am 10:45 am <br /> Initial Reading(Rj): 7"hg 7"hg <br /> Test End Time: 10:30 am 11:45 am <br /> Final Reading(RF): 7"hg 7"hg <br /> Test Duration: 1 hour 1 hour <br /> Change in Reading(Rr-Ri): None None <br /> Pass/Fail Threshold or Criteria: No detectable loss No detectable loss <br /> Test Result: E Pass 0 Fail E Pass ❑Fail <br /> Was sensor removed for testing? 0 Yes❑No Cl NA 0 Yes❑No❑NA <br /> Was sensor properly replaced and ®Yes❑No❑NA MYes ❑No❑NA <br /> verified functional after testin <br /> Comments—(include information on repairs made prior to testing, and recommended follow-up for foiled tests) <br /> "Sensor functionality was not confirmed.This procedure is not part of the Secondary Containment testing scope of work". <br /> Secondary containment systems where the continuous monitoring automatically monitors both the primary and secondary <br /> containment,such as systems that are hydrostatically monitored or under constant vacuum, are exempt from periodic containment <br /> testing. {Califomia Code of Regulations,Title 23,Section 2637(a)(6)) <br />