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SWRCB, January 2002 Page 5 of 7 7. UNDER -DISPENSER CONTAINMENT UDC TESTING Test Method Developed By: ❑ UDC Manufacturer ® Industry Standard ❑ Professional Engineer ❑ Other (Specify) Test Method Used: ❑ Pressure ❑ Vacuum ® Hydrostatic ❑ Other (Specify) Test Equipment Used:Incon TS -STS I Equipment Resolution:+/ -0.0001" UDC #19 UDC Manufacturer: at UDC #20sat UDC #21sat UDC #22 sat UDC Material: FRP FRP FRP FRP UDC Depth: 27" 27" 27" 27" Height from UDC Bottom to Top of Highest Piping Penetration: 6" 6" T' 7" Height from UDC Bottom to Lowest Electrical Penetration: 4" 4" 4" 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 DNA Dyes ❑No DNA Dyes ❑No DNA Dyes ❑No ❑NA Turbine shutdown response time Is system programmed for fail- safe shutdown?4 ®yes ❑No DNA ®Yes ❑No DNA ®Yes ❑No ❑NA ®Yes ❑No DNA Was fail-safe verified to be operational?* ❑yes [:]No ®NA Dyes ❑No ®NA Dyes ❑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: 3:10 3:33 3:33 3:50 4:31 4:49 4:31 4:49 Initial Reading (Rt): 1.9846 1.9844 4.5303 4.5250 3.0231 3.0237 3.6421 3.6419 Test End Time: 3:25 3:48 3:48 4:06 4:46 5:04 4:46 5:04 Final Reading (RF): 1.9845 1.9842 4.5290 4.5246 3.0236 3.0237 3.6418 3.6417 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): 0.0001 0.0002 0.0013 0.0004 0.0005 0.0000 0.0003 0.0002 Pass/Fail Threshold or Criteria: +/- 0.002" +/- 0.002" +/- 0.002" +/- 0.002" Test Result: Z Pass ❑ Fait ®; Pass ` ❑ Fail 0 Pass ❑ Fait ® Pass ; ❑ Fail' Was sensor removed for testing? ®Yes ❑No DNA ®Yes ❑No DNA ®Yes ❑No DNA ®Yes ❑No DNA Was sensor properly replaced and verified functional after testing? ®Yes ❑No DNA ®Yes ❑No ❑NA ®Yes ❑No DNA ®Yes [-]No❑NA Comments — (include information on repairs made prior to testing, and recommended follow-up for failed tests) Under dispenser # 19,20,21 and 22 sat all passed Hydrostatic test. ' 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)