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4. <br />TANK ANNULAR TESTING <br />Test Method Developed By: <br />❑ Tank Manufacturer ❑ Industry Standard ❑ Professional Engineer <br />❑ Other (Spec) <br />Test Method Used: <br />❑ Pressure <br />0 Vacuum <br />❑ Hydrostatic <br />❑ Other (Spec) <br />Test Equipment Used: See attached testing procedures <br />Equipment Resolution: inHg <br />Tank 487 <br />Tank # 91 <br />Tank # <br />Tank # <br />Is Tank Exempt From Testing?' <br />❑Yes ❑✓ No <br />[]Yes ❑✓ No <br />❑Yes []No <br />❑Yes [:]No <br />Tank Capacity: <br />Tank Material: <br />Fiberglass <br />Fiberglass <br />Tank Manufacturer: <br />Product Stored: <br />Gas 87 <br />Gas 91 <br />Wait time between applying <br />pressure/vacuum/water and <br />15 minutes <br />15 minutes <br />15 minutes <br />15 minutes <br />starting test: <br />Test Start Time: <br />9:54am <br />9:22am <br />Initial Reading (Ri): <br />10 inHg <br />10 inHg <br />inHg <br />inHg <br />Test End Time: <br />10:54am <br />10:22am <br />Final Reading (RF): <br />10 inHg <br />10 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 />Test Result: <br />0 Pass ❑ Fail <br />Q Pass []Fail <br />❑ Pass []Fail <br />❑ Pass ❑ Fail <br />Was sensor removed for testing? <br />Oyes ❑✓ No [INA <br />Oyes ONo [INA <br />[INA ❑Yes No NA <br />❑Yes ONO ❑NA <br />Was sensor properly replaced and <br />❑Yes []No [DNA <br />[]Yes❑No QNA <br />❑Yes ❑No [INA❑Yes <br />[]No [INA <br />verified functional after testing? <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 />