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S WRCB,January 2002 Page of <br /> 4. TANK ANNULAR TESTING <br /> Test Method Developed By: X Tank Manufacturer ❑Industry Standard ❑Professional Engineer <br /> ❑Other(Spec) <br /> Test Method Used: ❑Pressure X Vacuum ❑Hydrostatic <br /> ❑Other(Spec) <br /> Test Equipment Used: Gast Vacuum PumpNacuum Gauges in Hg. Equipment Resolution: - %:"x 30"Hg. <br /> Tank# I Tank#2&3 Tank#4 Tank# <br /> Is Tank Exempt From Testing? No No No <br /> Tank Capacity: IOK IOK Split 6/4 IOK <br /> Tank Material: Glass/Steel Glass/Steel Glass/Steel <br /> Tank Manufacturer: Trusco Trusco Trusco <br /> Product Stored: Regular 87 Plus89/Super 91 Diesel <br /> Wait time between applying 10 Minutes 10 Minutes 10 Minutes <br /> vacuum and starting test: <br /> Test Start Time: 9:10 9:00 8:50 <br /> Initial Reading(Rj): -10"Hg. -10"Hg. -10"Hg. <br /> Test End Time: 10:10 10:00 9:50 <br /> Final Reading(RF): -10"Hg. -10"Hg. -10"Hg. <br /> Test Duration: 1 Hour 1 Hour 1 Hour <br /> Change in Reading(RF-R,): 0"Hg. 0"Hg. 0"Hg. <br /> Pass/Fail Threshold or Criteria: No Loss in Hg. No Loss in Hg. No Loss in Hg. <br /> Test Result: Pass Pass Pass <br /> Was sensor removed for testing? Yes Yes Yes <br /> Was sensor properly replaced and Yes Yes Yes <br /> verified functional after testing? <br /> Comments—(include information on repairs made prior to testing, and recommendedfollow-upforfailed 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 />