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SWRCB, January 2002 8. 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 (Spec) Test Equipment Used: Caldwell Level Change Indicator Equipment Resolution: .002 UDC # 2 UDC # UDC # UDC Manufacturer: 7- Environ UDC Material: Poly tic PolyPlastic UDC Depth: 9" Heightfrom UDC Bottom to Top of Highest Piping Penetration: Enters from bottom Enters from bottom Height from UDC Bottom to Lowest Electrical Penetration: Enters from bottom Enters from bottom Condition of UDC prior to testing: Dry Dry ° f Portion of UDC Tested' Water Line 7" Water Line 7" 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: 9:32 9:37 Initial Reading Ri): .001 .001 Test End Time: 10:02 10:07 Final Reading (RF): .001 .001 Test Duration: 30 Minutes 30 Minutes Chane in Reading RF-Ri: 0 0 Pass/Fail Threshold or Criteria: .005/30 Minutes .005/30 Minutes Test Result: Pass Pass Was sensor removed for testing? Yes Yes Was sensor properly replaced and verified functional after testing? Yes Yes 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 as of the questions indicated with an asterisk (*) is "NO" or "NA", the entire UDC must be tested. (See SWRCB LG -160)