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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(Spec) <br /> Test Method Used: ❑Pressure X Vacuum ❑Hydrostatic <br /> ❑Other(Spec) <br /> Test Equipment Used: Gast Vacuum PumpNacuum Gauges in Hg. Equipment Resolution:-1/2-30 Hg. <br /> Tank#7 Tank#8 Tank# Tank# <br /> Is Tank Exempt From Testing?' Yes X No Yes X No ❑Yes No ❑Yes ❑No <br /> Tank Capacity: 6k 6k <br /> Tank Material: Fiberglass Fiberglass <br /> Tank Manufacturer: Owens Corning Owens Coming <br /> Product Stored: New Oil Used Oil <br /> Wait time between applying I Hour 1 Hour <br /> vacuum and starting test: <br /> Test Start Time: 9:00 9:10 <br /> Initial Reading(Ri): -10 Hg. -10 Hg. <br /> Test End Time: 10:00 10:10 <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: ➢ -2 Hg. ➢ -2 Hg. <br /> Test Result: X Pass ❑Fail X Pass ❑Fail Pass ❑Fail ❑ Pass ❑Fail <br /> Was sensor removed for testing? Yes X No [INA Yes X No ❑NA Yes G No ❑NA ❑Yes C No G NA <br /> Was sensor properly replaced and Yes LI No X NA Yes ❑No XNA Yes ❑No ❑NA ❑Yes []No ❑NA <br /> verified functional after testing? <br /> Comments— (include information on repairs made prior to testing, and recommendedfollow-up forfailed tests) <br /> Tanksl Through 6 have Brine filled Annulars, and are Exempt from Periodic Testing. <br /> Annular Tanks#7& #8 Tested on 6/28/2011. <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 />