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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 /> Other(Specify) - <br /> Test Method Used: �Pressure X Vacuum ❑Hydrostatic <br /> ❑Other(Specify) <br /> Test Equipment Used: Gast Vacuum Pump/Vacuum Gauges in Hg. Equipment Resolution: %z"x 30"Hg. <br /> Tank#1 Tank#2 Tank#3 Tank# <br /> Is Tank Exempt From Testing?' ❑Yes x No ❑Yes x No Yes x No ❑Yes ❑No <br /> Tank Capacity: 12K 12K 12K <br /> Tank Material: Fiberglass Fiberglass Fiberglass <br /> Tank Manufacturer: Owens Coming Owens Corning Owens Coming <br /> Product Stored: Regular 87 Super 91 Diesel <br /> Wait time between applying 30 Minutes 30 Minutes 30 Minutes <br /> vacuum and starting test: <br /> Test Start Time: 10:55 11:10 11:20 <br /> Initial Reading(Ri): -10 Hg. -10 Hg. -10 Hg. <br /> Test End Time: 11:55 12:10 12:20 <br /> Final Reading(RF): -10 Hg -10 Hg -10 Hg <br /> Test Duration: 1 Hour 1 Hour 1 Hour <br /> Change in Reading(RF-Ri): 0 Hg. 0 Hg. 0 Hg. <br /> Pass/Fail Threshold or Criteria: ➢ -2 Hg. ➢ -2 Hg. ➢ -2 Hg. <br /> Test Result: X Pass ❑Fail X Pass ❑Fail X Pass ❑Fail ❑ Pass ❑Fail <br /> Was sensor removed for testing? ❑Yes X No NA ❑Yes X No NA ❑Yes X No NA ❑Yes ❑No ❑NA <br /> Was sensor properly replaced and El Yes No X NA ❑Yes No X NA ❑Yes No X NA ❑Yes ❑No ❑NA <br /> verified functional after testing? <br /> Comments—(include information on repairs made prior to testing, and recommended follow-up forfailed 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 />