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SWRCB, January 2002 Page 5 of 7 7. Test Method Developed By: UNDER -DISPENSER CONTAINMENT UDC TESTING ❑ UDC Manufacturer ® Industry Standard ❑ Professional Engineer ❑ Other (Specify) Test Method Used: ❑ Pressure ❑ Other (Specify) ❑ Vacuum ® Hydrostatic Test Equipment Used:Incon TS -STS UDC Manufacturer: UDC #22 Main UDC #23Main Equipment Resolution:+/ -0.0001" UDC #24Main UDC #25 Main UDC Material: FRP FRP FRP FRP UDC De the 27" 27" 27" 27" Height from UDC Bottom to Top of Highest Piping Penetration: 71' 7" 7" 8" Height from UDC Bottom to Lowest Electrical Penetration: 5" 6" 6" 5" Condition of UDC prior to testing: Clean Clean Clean Clean Portion of UDC Tested 2"above highest Pipe pen 2"above highest Pipe pen 2"above highest Pipe pen 2"above highest Pipe pen Does turbine shut down when UDC sensor detects liquid (both product and water)?* ®Yes ❑No [:INA ❑Yes [-]No ❑NA ❑Yes ❑No ❑NA ❑Yes ❑No [—INA Turbine shutdown response time Is system programmed for fail- safe shutdown?` Yes No NA ® ❑ ❑ Yes No ❑ NA ® ❑ ®Yes ❑ No ❑ ®[:]NoNA Yes No RNA Was fail-safe verified to be operational?* Yes No ®NA ❑ ❑ ❑Yes ❑No ®NA ❑Yes ❑No ®NA ❑Yes ❑No ®NA Wait time between applying pressure/vacuum/water and starting test 15 Minutes 15 Minutes 15 Minutes 15 Minutes Test Start Time: 4:31 4:49 5:46 6:02 5:46 6:02 Initial Reading (Ri): 3.8592 3.8587 1.9052 1.9034 1.4618 1.4580 Test End Time: 4:46 5:04 6:01 6:18 6:01 6:18 Final Reading (RF): 3.8586 3.8583 1.9045 1.9015 1.4607 1.4556 Test Duration: 15 Min Each (30 Min) 15 Min Each (30 Min) 15 Min Each (30 Min) 15 Min Each (30 Min) Change in Reading (RF -Rt): 1 0.0006 0.0004 0.0007 1 0.0019 0.0011 1 0.0024 Pass/Fail Threshold or Criteria: +/- 0.002" +/- 0.002" +/- 0.002" +/- 0.002" Test Result: ❑ Pass ' ® Fail M; Pass , ❑ Fail M, Pass ❑ Fail ® Pass ❑ Fail Was sensor removed for testing? ®Yes ❑No [INA ®Yes ❑No ❑NA ®Yes ❑No FNA ®Yes [—]No ❑NA Was sensor properly replaced and ❑ [:INA ❑ verified functional after testing? ®Yes ❑ No ❑ NA ®Yes ❑ No ❑ NA ®Yes No NA ®Yes No NA Comments — (include information on repairs made prior to testing, and recommended follow -tip for failed tests) Under dispenser # 22 Failed Hydrostatic test. Under dispenser # 23, 24 and 25 main Passed Hydrostatic test. t If the entire depth of the UDC is not tested, specify how much was tested. If the answer to any of the questions indicated with an asterisk (*) is "NO" or "NA", the entire UDC must be tested. (See SWRCB LG -160)