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SWRCB,January 2002 Page of <br /> 4. TANK ANNULAR TESTING <br /> Test Method Developed By: X Tank Manufacturer ;j Industry Standard ❑Professional Engineer <br /> ❑Other(Spec) <br /> Test Method Used: ❑Pressure X Vacuum Hydrostatic <br /> ❑Other(Specify) <br /> Test Equipment Used: Gast Vacuum Pump/Vacuum Gauges in Hg. Equipment Resolution: - %:"x-30"Hg. <br /> Tank# 1,2,&3 Tank#4 Tank# Tank# <br /> Is Tank Exempt From Testing?' No No <br /> Tank Capacity: 20K Split 10/5/5 20K <br /> Tank Material: Glass/Steel Glass/Steel <br /> Tank Manufacturer: Modern Welding Modern Welding <br /> Product Stored: Regular/Plus/Super Diesel <br /> Wait time between applying 10 Minutes 10 Minutes s Mt <br /> vacuum and startin test: <br /> Test Start Time: 8:40 9:10 <br /> Initial Reading(R1): -10"Hg. -10"Hg. DE PARTMENIT <br /> Test End Time: 10:40 11:10 <br /> Final Reading(RF): -10"Hg. -10"Hg. <br /> Test Duration: 2 Hours 2 Hours <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 <br /> verified functional after testing? <br /> Yes Yes <br /> Comments—(include information on repairs made prior to testing, and recommended ollow-up for ailed 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 />