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JAN -30-2013 10:49 Service Station Systems 40e 939 Beee P.04 <br />4. TANK ANNULAR TESTING <br />Test Method Developed By: ❑ Tank Manufacturer ® Industry Standard ❑ Professional Engineer <br />❑ Other (Specify) <br />Test Method Used: ❑ Pressure 0 Vacuum ❑ Hydrostatic <br />❑ Other (Specify) <br />Test Equipment Used: Test plugs, venturi pump and gauges Equipment Resolution: 0.5% of span <br />Tank # 87 Tank # 91/Diesel <br />Is Tank Exempt From Testing?' <br />OYes ® No <br />❑Yes 0 No <br />Tank Capacity: <br />20k <br />20k <br />Tank Material: <br />Steel <br />Steel <br />Tank Manufacturer: <br />Modem Welding <br />Modem Welding <br />Product Stored: <br />Gasoline <br />Gasoline/Diesel <br />Wait time between applying <br />pressurelvacuum/water and <br />starting test: <br />10 min, <br />10 min. <br />Test Start Time: <br />8:30 am <br />5:00 am <br />Initial Reading (R,): <br />T' hg <br />T' hg <br />Test End Time: <br />9:30 am <br />9:(H) am <br />Final Reading (RF): <br />T' hg <br />7" hg <br />Test Duration: <br />1 hour <br />I hour <br />Change in Reading (Rp-R): <br />None <br />None <br />Pass/Fail Threshold or Criteria: <br />No detectable loss <br />No detectable loss <br />Test Result: <br />0 Pass Fail <br />M Pass Fail <br />Was sensor removed for testing? <br />J9 Yes ❑ No ❑ NA <br />® Yes ❑ No ❑ NA <br />Was sensor properly replaced and <br />verified functional after testing? <br />®Yes ❑ No ❑ NA <br />®Yes ❑ No [7 NA <br />-- (include information on repairs made Prior to testing, and <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(a)(6)) <br />