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SWRCB, January 2002 <br />4. TANK ANNULAR TESTING <br />Page _ of <br />Test Method Developed By: X Tank Manufacturer ❑ Industry Standard F1 Professional Engineer <br />❑ Other (Spec) <br />Test Method Used: ❑ Pressure X Vacuum 1 Hydrostatic <br />❑ Other (Spec) <br />Test Equipment Used: Gast Vacuum Pump/Vacuum Gauge in Hg. <br />Tank # 1 Tank # <br />Is Tank Exempt From Testing?' No <br />Equipment Resolution: - %" x -30" Hg. <br />Tank # Tank # <br />Tank Capacity: <br />l OK <br />Tank Material: <br />Jacketed DW Steel <br />Tank Manufacturer: <br />K&T Steel <br />Product Stored: <br />Diesel <br />Wait time between applying <br />vacuum and starting test: <br />10 Minutes <br />Test Start Time: <br />12:45 <br />Initial Reading (Ri): <br />-T' Hg. <br />Test End Time: <br />1:45 <br />Final Reading (RF): <br />-7" Hg. <br />Test Duration: <br />1 Hour <br />Change in Reading (RF-Ri): <br />0" Hg. <br />Pass/Fail Threshold or Criteria: <br />No loss in Hg. <br />Test Result: <br />Pass <br />W as 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 />Tank has Annular Vent to Atmosphere. Annular Vent capped during Testing. <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 />