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12. TANK ANNULAR TESTING <br />Test Method Developed By: ❑ Tank Manufacturer ® Industry Standard ❑ Professional Engineer <br />❑ Other (Specie) <br />Test Method Used: ❑ Pressure ® Vacuum ❑ Hydrostatic <br />❑ Other (Specify) <br />Test Equipment Used: Test plugs, venturi pump and gauges Equipment Resolution: 0.5% of span <br />Tank # 91/Diesel <br />Is Tank Exempt From Testing?' <br />❑Yes ® No <br />Tank Capacity: <br />20k <br />Tank Material: <br />Glass Steel <br />Tank Manufacturer: <br />Modern welding <br />Product Stored: <br />Gasoline/Diesel <br />Wait time between applying <br />pressure/vacuum/water and <br />test: <br />30 min. <br />-starting <br />Test Start Time: <br />4:30 pm <br />Initial Reading (Rj): <br />7" hg <br />Test End Time: <br />5:30 pm <br />Final Reading (RF): <br />7" hg <br />Test Duration: <br />1 hour <br />Change in Reading (RF -RI): <br />None <br />Pass/Fail Threshold or Criteria: <br />No detectable loss <br />Test Result: <br />© Pass ❑ Fail <br />Was sensor removed for testing? <br />M Yes ❑ No ❑ NA <br />Was sensor properly replaced and <br />verified functional after testing? <br />®yes ❑ No ❑ NA <br />Comments — (include information on repairs made prior to testing, and recommended follow-up for failed tests) <br />"Sensor functionality was not confirmed. This procedure is not part of the Secondary Containment testing scope of work". <br />*Test date 3/31/10 <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 />