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SWRCB,January 2002 Page of <br /> 4. TANK ANNULAR TESTING <br /> Test Method Developed By: X Tank Manufacturer ❑ Industry Standard Professional Engineer <br /> L 1 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:-1/2-30Hg. <br /> Tank#1 Tank#2&3 Tank# Tank# <br /> Is Tank Exempt From Testing?' ❑Yes x No ❑Yes x No ❑Yes No ❑Yes ❑No <br /> Tank Capacity: 12K 12K Split 6/4 <br /> Tank Material: Glass/Steel Glass/Steel <br /> Tank Manufacturer: Modem Welding Modern Welding <br /> Product Stored: Regular 87 Supreme 91/Diesel <br /> Wait time between applying 30 Minutes 30 Minutes <br /> vacuum and starting test: <br /> Test Start Time: 9:45 10:00 <br /> Initial Reading(111): -10 Hg. -10 Hg. <br /> Test End Time: 10:45 11:00 <br /> Final Reading(RF): -10 Hg. -10 Hg. <br /> Test Duration: 1 Hour 1 Hour <br /> Change in Reading(RF-Rj): 0 Hg. 0 Hg. <br /> Pass/Fail Threshold or Criteria: No loss in Hg. No loss in Hg. <br /> Test Result: X Pass ❑Fail X Pass ❑Fail Pass ❑Fail ❑ Pass ❑Fail <br /> Was sensor removed for testing? X Yes []No ❑NA X Yes []No ❑NA Yes ❑No ❑NA ❑Yes ❑No ❑NA <br /> Was sensor properly replaced and X Yes ❑No ❑NA X Yes ❑No ❑NA Yes ❑No ❑NA ❑Yes ❑No �NA <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 />