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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 7UDC UDC Manufacturer: #16 UDC #19Main Equipment Resolution: +/-0.0001" UDC #20Main UDC #21 Main UDC Material: FRP FRP FRP FRP UDC Depth: 30" 27" 27" 27" Height from UDC Bottom to Top of Highest Piping Penetration: 11" 6" 6" 7" Height from UDC Bottom to Lowest Electrical Penetration: N/A 5" 3" 4" Condition of UDC prior to testin : 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 ❑NA ❑Yes ❑No ❑NA ❑Yes [:]No ❑NA ❑Yes ❑No ❑NA Turbine shutdown response time Is system programmed for fail- safe shutdown?` EYes ❑No ❑NA ®Yes ❑No RNA ®Yes [:]No ❑NA ®Yes ❑No ❑NA Was fail-safe verified to be o erational?� ❑Yes ❑No❑No ®NA ❑Yes ❑No ®NA ❑Yes ❑No ®NA ❑Yes ®NA Wait time between applying pressure/vacuum/water and starting test 15 Minutes 15 Minutes 15 Minutes 15 Minutes Test Start Time: 11:13 11:30 3:33 3:50 3:33 3:50 Initial Reading (Rt): 4.9944 4.9885 2.6067 2.6062 4.5955 4.5933 Test End Time: 11:28 11:45 3:48 4:06 3:48 4:06 Final Reading (RF): 4.9886 4.9840 2.6065 2.6056 4.5956 4.5923 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-Ri): 0.0058 1 0.0045 1 0.0002 1 0.0006 0.0001 0.001 Pass/Fail Threshold or Criteria: +/- 0.002" +/- 0.002" +/- 0.002" +/- 0.002" Test Result: ❑ Pass ® Fail ❑ Pass ® Fail M Pass ❑ Fail ® Pass ❑ Fail Was sensor removed for testing? ®Yes ❑No DNA ®Yes ❑No ❑NA ®Yes ❑No ❑NA ®Yes ❑No ❑NA Was sensor properly replaced and ❑ ❑ ❑ [-]No❑NA ®Yes ❑No ❑NA verified functional after testin ? ®Yes ❑No NA ®Yes No NA ®Yes Comments — (include information on repairs made prior to testing, and recommended follow-up for failed tests) Under dispenser #16 and 19 main Failed Hydrostatic test. Under dispenser # 20 and 21 main 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)