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4. TANK ANNULAR TESTING <br />Test Method Developed By: ❑ Tank Manufacturer ❑✓ Industry Standard ❑ Professional Engineer <br />❑ Other (Spec) <br />Test Method Used: ❑ Pressure [D Vacuum ❑ Hydrostatic <br />❑ Other (Specify) <br />Test Equipment Used: Test plugs, venturi pump and gauges Equipment Resolution: 0.5% inHg <br />Tank # 87 <br />Tank # 91 / Diesel <br />Tank # <br />Tank # <br />Is Tank Exempt From "Testing?' <br />El Yes [D No <br />❑Yes ❑✓ No <br />❑Yes ❑No <br />❑Yes [-]No:] <br />Tank Capacity: <br />2Ok <br />2Ok <br />Tank Material: <br />Steel <br />Steel <br />Tank Manufacturer: <br />Modern Welding <br />Modern Welding <br />Product stored: <br />Gasoline <br />Gasoline/ Diesel <br />10 Minutes <br />Wait time between applying <br />pressure/vacuum/water and <br />starting test: <br />10 Minutes <br />10 Minutes <br />10 Minutes <br />Test Start Time: <br />7:45AM <br />8:15AM <br />Initial Reading (RI): <br />7 inHg <br />7 inHg <br />inHg <br />inHg <br />Test End Time: <br />8:45AM <br />9:1 SAM <br />Final Reading (RF): <br />7 inHg <br />7 inHg <br />inHg <br />inHg <br />Test Duration: <br />1 Hour <br />1 Hour <br />1 Hour <br />1 Hour <br />Change in Reading (RF -RI): <br />0 <br />0 <br />Pass/Fail Threshold or Criteria: <br />0 <br />0 <br />0 <br />0 <br />Test Result:✓❑ <br />Pass ❑ Fail <br />0 Pass ❑ Fail <br />❑ Pass El Fail <br />❑ Pass ❑Fail <br />Was sensor removed for testing? <br />[Z]Yes ❑No ❑NA <br />❑✓ Yes ❑No ❑NA <br />❑Yes ❑No ❑NA <br />❑Yes [-]No ❑NA <br />Was sensor properly replaced and <br />verified functional after testin ? <br />❑� Yes ❑No [-]NA <br />[Z]Yes ❑No []NA[-]Yes❑No <br />❑NA <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 <br />testing scope of work". <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 />