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SWRCB, January 2002 Page of 7. UNDER -DISPENSER CONTAINMENT (UDC) TESTING Test Method Developed By: ❑ UDC Manufacturer ❑ Industry Standard X Professional Engineer ❑ Other (Specify) Test Method Used: ❑ Pressure ❑ Vacuum X Hydrostatic ❑ Other (Specify) Test Equipment Used: Caldwell Systems Equipment Resolution: .005/30 min UDC # UDC # UDC # UDC # 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)?* ❑ Yes ❑ No ❑ NA ❑ Yes ❑ No ❑ NA ❑ Yes ❑ No ❑ NA ❑ Yes ❑ No ❑ NA Turbine shutdown response time Is system programmed for fail- safe shutdown?` ❑ Yes ❑ No ❑ NA ❑ Yes ❑ No ❑ NA ❑ Yes ❑ No ❑ NA ❑ Yes ❑ No ❑ NA Was fail-safe verified to be operational? E! Yes ❑ No ❑ NA 11 Yes ❑ No ❑x NA ❑Yes ❑ No ❑ NA ❑Yes ❑ No ❑ NA Wait time between applying pressure/vacuum/water and starting test 5 min 5 min 5 min 5 min Test Start Time: Initial Reading (Rl): .00" .00" .00" .00" Test End Time: Final Reading (RF): Test Duration: 30 min 30 min 30 min 30 min Change in Reading (RF-Rl): Pass/Fail Threshold or Criteria: .005/30 min .005/30 min .005/30 min .005/30 min Test Result: ❑ Pass ❑ Fail ❑ Pass ❑ Fail ❑ Pass ❑ Fail ❑ Pass ❑ Fail Was sensor removed for testing? x Yes ❑ No ❑ NA x Yes ❑ No ❑ NA x Yes ❑ No ❑ NA x Yes ❑ No ❑ NA Was sensor properly replaced and verified functional after testing? x Yes ❑ No ❑ NA x Yes ❑ No ❑ NA x Yes ❑ No ❑ NA x Yes ❑ No [INA Comments — (include information on repairs made prior to testing, and recommended follow-up for failed tests) 1 If the entire depth of the UDC is not tested, specify how much was tested. If the answer to gLny of the questions indicated with an asterisk (*) is "NO" or "NA", the entire UDC must be tested. (See SWRCB LG -160)