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SWRCB, January 2002 9. UNDER -DISPENSER CONTAINMENT (UDC) TESTING Page of Test Method Developed By: ❑ UDC Manufacturer ❑ Industry Standard X Professional Engineer ❑ Other (Spec) Test Method Used: ❑ Pressure ❑ Vacuum X Hydrostatic ❑ Other (Specify) Test Equipment Used: Caldwell Level Change Indicator Equipment Resolution: .002 OMNI UDC # 9&10 UDC # 11&12 UDC # UDC # UDC Manufacturer: Western Fiberglass Western Fiberglass UDC Material: Fiberglass Fiberglass UDC Depth: 26 %2" 26 %" Height from UDC Bottom to Top of Highest Piping Penetration: 12" 12" Height from UDC Bottom to Lowest Electrical Penetration: 7" 6" Condition of UDC prior to testing: Dry Dry Portion of UDC Tested Water Level 14" Water Line 14" Does turbine shut down when UDC sensor detects liquid (both product and water)?* Yes Yes Turbine shutdown response time Not Alarmed Not Alarmed Is system programmed for fail- safe shutdown?` Yes Yes Was fail-safe verified to be operational?* No No Wait time between applying water and starting test 5 Minutes 5 Minutes Test Start Time: 9:05 9:10 Initial Reading (Rj): .001 .001 Test End Time: 9:35 9:40 Final Reading (RF): .001 .001 Test Duration: 30 Minutes 30 Minutes Change in Reading (RF -RI): 0 0 Pass/Fail Threshold or Criteria: .005/30 Minutes .005/30 Minutes Test Result: X Pass ❑ Fail X Pass ❑ Fail ❑ Pass ❑ Fail ❑ Pass ❑ Fail Was sensor removed for testing? X Yes ❑ No ❑ NA X Yes ❑ No ❑ NA ❑ Yes ❑ No '_' NA ❑ Yes iii No ❑ NA Was sensor properly replaced and verified functional after testing? X Yes ❑ No ❑ NA X Yes 11No 1.1 NA El Yes ❑ No F] NA El Yes FJ No ElNA Comments — (include information on repairs made prior to testing, and recommended follow-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 "IIIA", the entire UDC must be tested. (See SWRCB LG -160)