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SWRCB , January 2002 Page 1 of 1 4. TANK ANNULAR TESTING Test Method Developed By: r Tank Manufacturer I+` Industry Standard r Professional Engineer r Other (Specify) Test Method Used By: r Pressure f* Vacuum r Hydrostatic r Other (Specify) Test Equipment Used : 5iu a Equipment Resolution: :20 Tank# tl Tank# T-2 Tank# T-3 Tank# t4 Is Tank Exempt From Testing?' r Yes r No r Yes t*' No r Yes r No C Yes G No Tank Capacity: 9684 9684 9684 9684 Tank Material: Fiberglass Fiberglass Fiberglass Tank Manufacturer unknown unknown unknown unknown Product Stored: REG UNLEAD REGULAR REGULAR SUPREME Wait time between applying pressure/vacuurMvater and starting 15 min 15 min 15 min 15 min test Test Start Time: 11 : 32: 00 11 : 32: 00 13 : 12 : 00 13 : 12 : 00 Initial Reading (RI): 10 . 00000 in . HG 10 . 00000 in . HG 10 . 00000 in . HG 10 . 00000 in . HG Test End Time: 12: 32: 00 12 : 32: 00 14 : 12 : 00 14 : 12 : 00 Final Reading (RF): 10 . 00000 in . HG 10 . 00000 in . HG 10 . 00000 in . HG 10 . 00000 in . HG Test Duration: 1 hr 1 hr 1 hr 1 hr Change in Reading (RF-RI) : 0 . 00000 in . HG 0 . 00000 in . HG 0 . 00000 in . HG 0 . 00000 in . HG Pass/Fail Threshold or Criteria: +/- 0 . 00000 +/- 0 . 00000 +/- 0 , 00000 +/- 0 . 00000 Test Result: Pass Pass Pass Pass Was sensor removed for testing? r Yes r Nor NA r Yes r+ Nor NA r Yes t* Nor NA r Yes r* Nor NA Was sensor properly replaced and verified functional after testing? r Yes r Nor* NA r Yes r No 6NA Yes No �* NA Yes r Nor* NA Comments (include information on repairs made prior to testing, and recommended follow-up for failed tests) Secondary containment systems where the continuous monitoring automatically monitors both the primary and secondary containment, such as systems that are hydrostatically monitored or under constant vacuum , are exempt from periodic containment testing .