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SWRCB, January 2002 Page 8. UNDER -DISPENSER CONTAINMENT UDC TESTING Test Method Developed By: Test Method Used: Test Equipment Used: Caldwell Le UDC Manufacturer: UDC Material: UDC Depth: Height from UDC Bottom to Top of Highest Piping Penetration: Height from UDC Bottom to Lowest Electrical Penetration: Condition of UDC prior to testing: Portion of UDC Tested Does turbine shut down when UDC sensor detects liquid (both product and water)?* Turbine shutdown response time Is system programmed for fail- safe shutdown?* Was fail-safe verified to be o erational?* Wait time between applying water and starting test Test Start Time: Initial Reading (Rj): Test End Time: Final Reading (RF): Test Duration: Change in Reading (RF -RI): Pass/Fail Threshold or Criteria: Test Result: Was sensor removed for testing? Was sensor properly replaced and verified functional after testing? 23" 23 ''/z" 10" 10 '/i" 6" 5" Dry Dry Water Line 12" Water Line 13" X Yes No ❑ NA X Yes No ❑ NA Not Alarmed Not Alarmed X Yes ❑ No ❑ NA X Yes ❑ No ❑ NA Yes X No ❑ NA Yes X No ❑ NA 5 Minutes 5 Minutes 11:35 11:40 .001 .001 12:05 12:10 .001 .001 30 Minutes 30 Minutes 0 0 .005/30 Minutes .005/30 Minutes X Pass ' ❑ Fail X Pass 0 Fail Pass ❑ Fail X Yes ❑ No ❑ NA X Yes []No ❑ NA Yes ❑ No [INA X Yes ❑ No [INA X Yes ❑ No ❑ NA Yes ❑ No ❑ NA of Pass ❑ Fail Yes ❑ No ❑ NA Yes ❑ No ❑ NA Comments — (include information on repairs made prior to testing, and recommended folloiv-up for failed tests) ' 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)