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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 (Specify) <br /> Test Method Used : ❑ Pressure X Vacuum ❑ Hydrostatic <br /> ❑ Other (Sped) <br /> Test Equipment Used : Gast Vacuum PumpNacuum Gauges in Hg . Equipment Resolution : - %i" x -30" Hg. <br /> Tank # 1 Tank # 2&3 Tank # 4,5,&6 Tank # <br /> Is Tank Exempt From Testing? i No No No <br /> Tank Capacity : 12K 12K Split 6/6 12K Split <br /> 1 , 500/9/ 11500 <br /> Tank Material : Glass/Steel Glass/Steel Glass/Steel <br /> WW <br /> Tank Manufacturer: Modern Welding Modern Welding Modern Welding <br /> Product Stored : Regular 87 Regular 87/Super 91 110 Race <br /> Diesel/ 100 Race <br /> Wait time between applying 10 Minutes 10 Minutes 10 Minutes <br /> vacuum and starting test: <br /> Test Start Time : 9 : 20 9 : 30 9 : 50 <br /> Initial Reading (RI) : 40" Hg. 40" Hg. - 10" Hg. <br /> Test End Time : 10 : 20 10 : 30 10 : 50 <br /> Final Reading (RF) : 40" Hg. - 10 " 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? <br /> Comments — (include information on repairs made prior to testing, and i4ecoinmended follow-arp 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 fi•om periodic containment <br /> testing. { California Code of Regulations, Title 23 , Section 2637(a)(6) ) <br />