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Page_of <br /> SWRCB,January 2002 <br /> 4. TANK ANNULAR TESTING <br /> FTestMethod Developed By: X Tank Manufacturer ❑Industry Standard J Professional Engineer <br /> ❑Other(Spec) <br /> Method Used: ❑PressureX Vacuum ❑Hydrostatic <br /> ❑Other(Specify) <br /> Equipment Used: Gast Vacuum Pump/Vacuum Gauges in Hg. Equipment Resolution: -''/z"x-30"Hg. <br /> x z;. <br /> Tank# 1 Tank#2 Tank#3 Tank# <br /> Is Tank Exempt From Testing?' No No No <br /> Tank Capacity: 12K 12K 12K <br /> Tank Material: Fiberglass Fiberglass Fiberglass <br /> Tank Manufacturer: Owens Coming Owens Corning Owens Corning <br /> Product Stored: Regular 87 Master Regular 87 Slave Premium 91 <br /> Wait time between applying 10 Minutes 10 Minutes 10 Minutes <br /> vacuum and starting test: <br /> Test Start Time: 12:05 12:15 12:25 <br /> Initial Reading(Ri): -10"Hg. -10"Hg. -10"Hg. <br /> Test End Time: 1:05 1:15 1:25 <br /> Final Reading(RF): -10"Hg. -10"Hg. -10"Hg. <br /> Test Duration: 1 Hour 1 Hour 1 Hour <br /> Change in Reading(RiRi): 0"Hg. 0"Hg. 0"Hg. <br /> ^ Pass/Fail Threshold or Criteria: ➢ -2"Hg. ➢ -2"Hg. ➢ -2"Hg. <br /> Test Result: Pass Pass Pass <br /> Was sensor removed for testing? No No No <br /> Was sensor properly replaced and N/A N/A N/A <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 />