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SWRCB, January 2002 <br />4. TANK ANNULAR TESTING <br />Page of <br />"Fest Method Developed By: X Tank Manufacturer ❑ Industry Standard Professional Engineer <br />❑ Other (Spec) <br />'Fest Method Used: ❑ Pressure X Vacuum Hydrostatic <br />1 Other (Specie) <br />Test Equipment Used: Gast VICUUm Pump/Vacuum Gauge in Hg. ELiuipment Resolution: - %" x -30Hg. <br />Tank # 1&2 I'ank # 1'ank # Tank # <br />Is Tank Exempt From Testing?' <br />No <br />Tank Capacity: <br />20K Split 15/5 <br />Tank Material: <br />Glass/Steel <br />Tank Manufacturer: <br />Modern Welding <br />Product Stored: <br />Regular 87/Super 91 <br />Wait time between applying <br />vacuum and starting test: <br />30 Minutes <br />Test Start Time: <br />9:40 <br />Initial Reading (111): <br />-10 Hg. <br />Test End Time: <br />11:40 <br />Final Reading (RF): <br />-10 Hg. <br />Test Duration: <br />2 Hours <br />Change in Reading (RF-Rj): <br />0 Hg. <br />Pass/Fail Threshold or Criteria: <br />No loss in Hg. <br />Test Result: <br />Pass <br />Was sensor removed for testing? <br />Yes <br />Was sensor properly replaced and <br />verified functional after testing? <br />Yes <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 />