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JUL 15 2016 4. TANK ANNULAR TESTING Test Method Developed By: ❑Tank Manufacturer ®Industry Standard ❑ Professional Engineer ❑ Other(Sped) Test Method Used: ❑Pressure ®Vacuum ❑Hydrostatic ❑Other(Specify) Test Equipment Used:Test plugs,venturi pump and gauges Equipment Resolution: 0.5%of span Tank#87 Tank# 89 Tank# 91 Tank# Diesel Is Tank Exempt From Testing?' ❑Yes ® No ❑Yes ® No ❑Yes ® No ❑Yes 14 No Tank Capacity: 12k 12k 12k 12k Tank Material: Steel Steel Steel Steel Tank Manufacturer: Modern Welding Modem Welding Modern Welding Modern Welding Product Stored; Gasoline Gasoline -DieselGasoline Wait time between applying pressure/vacuum/water and 10 min. 10 min. 10 min. 10 min, startin test: Test Start Time: 8:00 am 8:45 am 10:00 am 12:15 pm Initial Reading(Rt); 7++h Test End Time: g 7++hg 7"hg 7"hg 9:00 am 9:45 am 11:00 am 1:15 pm Final Reading(Rv): T' hg 7"hg 7"hg 7"hg Test Duration: 1 hour 1 hour 1 hour 1 hour Change in Reading(RF-RJ; None None None None Pass/Fail Threshold or Criteria: No detectable loss No detectable loss No detectable loss No detectable loss Test Result: 191 Pass ❑Fail ® Pass ❑Fail R Pass ❑Fail 181 Pass ❑Fail Was sensor removed for testing? ®Yes❑No❑NA ®Yes❑No❑NA ®Yes❑No❑NA ®Yes❑No❑NA Was sensor properly replaced and verified functional atter testing? ®Yes❑No❑NA ®Yes❑No❑NA ®Yes❑No❑NA ®Yes❑No❑NA Comments—(include information on repairs made prior to testing and recommended ollow up for tailed tests) Sensor functionality was not confirmed.This procedure is not part of the Secondary Containment testing scope of work". Secondary containment systems where the continuous monitoring automatically monitors both the primary and secondary containment,such as systems that are hydrostatically monitored or under constant vacuum,are exempt from periodic containment testing, fCalifoinia Code of Regulations,Title 23,Section 2637(a)(6))