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4. TANK ANNULAR TESTING <br /> Test Method Developed By: ❑Tank Manufacturer ®Industry Standard ❑ Professional Engineer <br /> ❑ Other(Specify) <br /> Test Method Used: ❑Pressure ®Vacuum ❑Hydrostatic <br /> ❑Other(Spec) <br /> Test Equipment Used:Test plugs,venturi pump and gauges Equipment Resolution: 0.5%of span <br /> Diesel <br /> rTawnk.Exempt From Testing?' No <br /> city: 12,000 <br /> Tank Material: Fiberglass <br /> Tank Manufacturer: Owens Corning <br /> Product.Stored: D <br /> Wait time between applying <br /> pressure/vacuum/water and 10 minutes <br /> starting test: <br /> Test Start Time: 08:00 AM <br /> Initial Reading(RI): 10 In.Vac <br /> Test End Time: 09:00 AM <br /> Final Reading(RF): 10 In.Vac <br /> Test Duration: 60 Min <br /> Change in Reading(RF-R): 0 In.Vac <br /> Pass/Fail Threshold or Criteria: No Detectable Loss <br /> Test Result: Pass <br /> Was sensor removed for testing? Yes <br /> Was sensor properly replaced and Yes <br /> verified functional after testin <br /> COMMentS—(include information on repairs made prior to testing, acid recornnxended follow-up for failed tests) <br /> f <br /> !i! <br /> i <br /> i <br /> 1 <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 />