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FEB-25-2011 15.25 Service Station Systems 408 938 8888 P.04 <br /> . y <br /> 4. TANTS ANNULAR TESTING <br /> Test Method Developed,By: 0 Tank Manufacturer ®Industry Standard ❑ Professional Engineer <br /> ❑ other(spec) <br /> Test Method used: ❑Pressure ®Vacuum ❑hydrostatic <br /> ❑Other(Spec?y) <br /> Test Equipment Used:Test plugs,venturi pump and gauges Equipment Resolution: 0.5%of span <br /> Tank#87 Tank#91 <br /> Is Tank Exempt From Testing. ❑ Yes 0 No ❑ Yes 0 No <br /> Tank Capacity: 12k 15k <br /> Tank Material: Fiberglass Fiberglass <br /> Tank Manufacturer: Owens Corning Owens Coming <br /> Product Stored: Gasoline Gasoline <br /> Wait time between applying <br /> pressure/vacuum/water and 10 min 10 min <br /> starting test: <br /> Test Start Time: 8:45 am 10:30 am <br /> Initial Reading(R,): 7"hg 7"hg <br /> Test End Time: 9:45 am 11:30 am <br /> Final Reading(RF): T'hg T'hg <br /> Test Duration: i hour 1 hour <br /> Change in Reading(RF-Rj): None None <br /> Pass/Fail Threshold or Criteria: No Detectable Loss No Detectable Loss <br /> Test Result: 0 Pass 0 Fail ® Pass 0 Fail <br /> Was sensor removed for testing? ®Yes ❑No❑NA ®Yes []No q NA <br /> Was sensor properly replaced and ®Yes Q No❑NA ®Yes❑No❑NA <br /> verified functional after testin ? <br /> Comments—(include ira orrnation on repairs mode prior to testing, and recommended follow-u for failed 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. (California Code of Regulations,Title 23,Section 2637(x)(6)) <br />