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SWRCA, January 2002 7. UNDER -DISPENSER CONTAINMENT (UDC) TESTING Page C of Test Method Developed By: ❑ UDC Manufacturer ❑ Industry Standard X Professional Engineer ❑ Other (Spec) 'rest Method Used: ❑ Pressure ❑ Vacuum X Hydrostatic ❑ Other (Specify) _ Test Equipment Used: Caldwell Level Change Indicator Equipment Resolution: .002 UDC # 9&10 UDC # UDC # UDC # UDC Manufacturer: Unknown UDC Material: Fiberglass UDC Depth: 32" _ Height from UDC Bottom to Top of Highest Piping Penetration: 11" _ Height from UDC Bottom to Lowest Electrical Penetration: 5" Condition of UDC prior to testin : Dry _ Portion of UDC Tested Water Line 13" _ Does turbine shut down when UDC sensor detects liquid (both product and water)?* X Yes No ❑ NA _ Turbine shutdown response time Not Alarmed Is system programmed for fail- safe shutdown?" X Yes ❑ No ❑ NA Was fail-safe verified to be operational?* ❑ Yes X No ❑ NA Wait time between applying water and starting test 10 Minutes Test Start Time: 10:50 Initial Reading (Ri): .001 Test End Time: 11:20 Final Reading (RF): .001 _ Test Duration: 30 Minutes _ Change in Reading (RF-Ri): 0 Pass/Fail Threshold or Criteria: .005/30 Minutes Test Result: X Pass ❑ Fail Pass ❑ Fail Pass ❑ Fail Pass ❑ Fail Was sensor removed for testing? X Yes ❑ No ❑ NA Yes ❑ No ❑ NA Yes ElNo ❑ NA Yes ❑ No ❑ NA Was sensor properly replaced and verified functional after ter ? X Yes 11No ❑ NA Yes 11No 11NA Yes ❑ No F-1NAYes ❑ No El NA Comments — (include information on repairs made prior to testing, and recommended follok,-rip for failed tests) All Penetrations enter from Bottom of Bravo System UDUS. i 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)