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JAN -20-2009 09:34 Service Station Systems 408 938 8888 P.09 9. UNDER -DISPENSER CONTAINMENT (UI)Q TESTING Test Method Developed By: ❑ UDC Manufacturer 0 Industry Standard ❑ Professional Engineer ❑ Other (Specify) Test Method Used: ❑ Pressure ❑ Vacuum ® Hydrostatic ❑ Other (Specify) Test Equipment Used: Incon Sump Tester UDC # 9/10 UDC # 11/12 Equipment Resolution: +/- 0.002" UDC # 13/14 UDC # 15/16 UDC Manufacturer: Wcstcm fiberglass Western fiberglass Western fiberglass Westem fiberglass UDC Material: Fiberglass Fiberglass Fiberglass Fiber lass UDC Depth: 31" 31" 31" 31" Height from UDC Bottom to Top of Highest Piping Penetration: 121' 12" 12" 12" Height from UDC Bottom to Lowest Electrical Penetration: 13" 13" 13" 13" Condition of UDC prior to testing. Good Good Good Good Portion of UDC Tested 2" above piping 2" above piping 2" above piping 2" above pieftig Does turbine shut down when UDC sensor detects liquid (both product and water)? ❑ Yes ❑ No ® NA p Yes ❑ No ®NA ❑ Yes ❑ No ®NA ❑ Yes ❑ No ®NA Turbine shutdown response time N/A N/A N/A N/A Is system programmed for fail- safe shutdown? ❑ Yes ❑ No ® NA ❑ Yes C) No ®NA ❑ Yes ❑ No ®NA El Yes ❑ No ®NA 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 30 minutes 30 minutes 30 minutes 30 minutes Test Start Time: 2.45 pm 2:45 pm 1:47_pin 1:47 2m Initial Reading (Ri): 2.8172, 32432 0.3136 3.1080 Test End Time: 3:00 prn 3:00 pm 2:02 pm 2:02 Rm Final Reading (RF): 2.8161 3.2432 0.3142 3.1083 Test Duration: 15 min. 15 min. 15 min. 15 min. Change in Reading (RF -R,): -0.0011 None x-0.0006 +0.0003 Pass/Fail Threshold or Criteria: +/- 0.002" +/- 0.002" 4-0.0021, +/- 0.002" Test Result: 91 Pass Fail 0 Pass Fail ® Pass Fail 0 Pass Fail Was sensor removed for testing? f Yes ❑ .No ❑ NA 0 Yes ❑ No ❑ NA ®Yes ❑ No ❑ NA ® Yes p No ❑ NA Was sensor properly replaced and verified functional after testing? ® Yes ❑ No ❑ NA ® Yes ❑ No ❑ NA ® Yes ❑ No ❑ NA ® Yes ❑ No El NA Comments — (include inf2mwtiun on repairs made prior to testing, and recommended.follow-up for ailed tests) "Sensor functionality was not confirmed. This procedure is not part of the Secondary Containment testing scope of work". t llfe entire depth of the UDC: is not tested.- specify how much was tested. If the answwto any of the questions indicated with an nmpgk M is "Ng' or "Nk', the entire UDC must be tested- (See SWRCB LG -160)