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_ RECEIVED <br /> SWRCB,January 2002 SEP ;aJe2017 of <br /> 4. TANK ANNULAR TESTING ENV1Rnn1r,nr7n1T.nL HEALTH <br /> Test Method Developed By: X Tank Manufacturer Industry Standard Professional Engineer-.NT <br /> Other(Specify) <br /> Test Method Used: a Pressure X Vacuum Hydrostatic <br /> Fl Other(Specify) <br /> Test Equipment Used: Gast Vacuum Pump/Vacuum Gauges in Hg. Equipment Resolution: - %"x-30" Hg. <br /> Tank# 1 Tank#2&3 Tank# Tank# <br /> Is Tank Exempt From Testing?' No No <br /> Tank Capacity: 12K 12K Split 6/6 <br /> Tank Material: Glass/Steel Glass/Steel <br /> Tank Manufacturer: Modern Welding Modern Welding <br /> Product Stored: Regular 87 Supreme 91/Diesel <br /> Wait time between applying 10 Minutes 10 Minutes <br /> vacuum and starting test: <br /> Test Start Time: 9:00 8:50 <br /> Initial Reading(R,): -10"Hg. -10"Hg. <br /> Test End Time: 10:00 9:50 <br /> Final Reading(RF): -10"Hg. -10"Hg. <br /> Test Duration: 1 Hour I Hour <br /> Change in Reading(RF-Ri): 0"Hg. 0"Hg. <br /> Pass/Fail Threshold or Criteria: No loss in Hg. No loss in Hg. <br /> Test Result: Pass Pass <br /> Was sensor removed for testing? Yes Yes <br /> Was sensor properly replaced and Yes Yes <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 />