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SWRCB, January 2002 Page of <br />Test Method Developed By: <br />4. TANK ANNULAR TESTING <br />X Tank Manufacturer ❑ Industry Standard ❑ Professional Engineer <br />❑ Other (Spec) <br />Test Method Used: <br />❑ Pressure X Vacuum <br />❑ Other (Spec) <br />❑ Hydrostatic <br />Test Equipment Used: Gast Vacuum Pump/Vacuum Gauges in Hg. <br />Tank # 1&2 Tank # <br />Is Tank Exempt From Testing?' ❑ Yes x No ❑ Yes ❑ No <br />Equipment Resolution: - V2" x -301-1g. <br />Tank # Tank # <br />❑ Yes ❑ No ❑ Yes ❑ No <br />Tank Capacity: <br />21K Split 6/15 <br />Tank Material: <br />Fiberglass <br />Tank Manufacturer: <br />XERXES <br />Product Stored: <br />91/87 <br />Wait time between applying <br />vacuum and startingtest: <br />30 Minutes <br />Test Start Time: <br />9:10 <br />Initial Reading (RI): <br />-10 Hg. <br />Test End Time: <br />11:10 <br />Final Reading (RF): <br />-10 Hg. <br />Test Duration: <br />2 Hours <br />Change in Reading (RF -RI): <br />0 Hg. <br />Pass/Fail Threshold or Criteria: <br />➢ -2 Hg. <br />Test Result: <br />X Pass '. ❑ Fail <br />❑ Pass ' 0 Fail <br />❑ Pass 0 Fail <br />❑ Pass 0 Fail <br />Was sensor removed for testing? <br />❑ Yes X No ❑ NA <br />❑ Yes ❑ No ❑ NA <br />❑ Yes ❑ No ❑ NA <br />❑ Yes ❑ No ❑ NA <br />Was sensor properly replaced and <br />verified functional after testing? <br />❑ Yes ❑ No X NA <br />❑ Yes ❑ No ❑ N, <br />❑Yes ❑ No ❑ NA <br />rEYes ❑ No [INA <br />Comments — (include information on repairs made prior to testing, and recommended follow-up for failed tests) <br />21K Tank, Split 6K 91, 15K 87, Single Annular. <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 />