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SWRCB , January 2002 Page of <br /> 4. TANK ANNULAR TESTING <br /> Test Method Developed By : X Tank Manufacturer ❑ Industry Standard ❑ Professional Engineer <br /> ❑ Other (Sped) <br /> Test Method Used : ❑ Pressure X Vacuum ❑ Hydrostatic <br /> ❑ Other (Spec) <br /> Test Equipment Used : Gast Vacuum Pump/Vacuum Gauges in Hg . Equipment Resolution : - %2" x -30" Hg. <br /> Tank # 1 Tank # 2 Tank # 31�m .1 Tank # <br /> Is Tank Exempt From Testing? No No No <br /> Tank Capacity : 12K 10K IOK <br /> Tank Material : Glass/Steel Glass/Steel Glass/Steel <br /> Tank Manufacturer : Trusco Trusco Trusco <br /> Product Stored : Regular 87 Super 91 Diesel <br /> Wait time between applying 10 Minutes 10 Minutes 10 Minutes <br /> vacuum and starting test: <br /> Test Start Time : 9 : 10 9 : 20 9 : 30 <br /> Initial Reading (RI) : - 10" Hg. - 10 " Hg. - 10" Hg. <br /> Test End Time : 10 : 10 10 : 20 10 : 30 <br /> Final Reading (RF) : 40" Hg . 40 " Hg. 40" Hg. <br /> Test Duration : 1 Hour 1 Hour 1 Hour <br /> Change in Reading (RF-RI) : 0" Hg. 0" Hg. 0" Hg. <br /> Pass/Fail Threshold or Criteria : No Loss in Hg. No Loss in Hg. No Loss in Hg. <br /> Test Result: Pass Pass Pass <br /> Was sensor removed for testing? Yes Yes Yes <br /> Was sensor properly replaced and Yes Yes Yes <br /> verified functional after testing? 11 1 <br /> Comments — (inchrde information on repairs made prior to testing, and recommended folloiv-zip for failed tests) <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 />