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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 (Spec) <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 &3 Tank # 2 &4 Tank # Tank # <br /> Is Tank Exempt From Testing? ' No No <br /> Tank Capacity: 16K Split 10/6 15K Split 8/7 <br /> Tank Material : Fiberglass Fiberglass <br /> Tank Manufacturer: Owens Corning Owens Corning <br /> Product Stored : Regular 87/Super 91 Race 100/Diesel <br /> Wait time between applying 10 Minutes 10 Minutes <br /> vacuum and starting test: <br /> Test Start Time : 8 :40 8 : 30 <br /> Initial Reading (Ri) : - 10" Hg. - 10" Hg. <br /> Test End Time : 9 :40 9 : 30 <br /> Final Reading (RF) : - 10" Hg. - 10" Hg. <br /> Test Duration: 1 Hour 1 Hour <br /> Change in Reading (RF-RI) : 0" Hg. 0" Hg. <br /> Pass/Fail Threshold or Criteria : ➢ -2" Hg. ➢ -2" Hg. <br /> Test Result: Pass Pass <br /> Was sensor removed for testing? No No <br /> Was sensor properly replaced and N/A N/A <br /> verified functional after testing? <br /> Comments — (include information on repairs made prior to testing, and recommended follow-up 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 />