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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(Spec) Test Method Used: ❑Pressure ❑Vacuum X Hydrostatic ❑Other(Sped) Test Equipment Used: Caldwell Systems Equipment Resolution: .005/30 min _ UDC#4A-5A UDC#5 UDC# UDC# UDC Manufacturer: Unknown Unknown UDC Material: Fiberglass Fiberglass UDC Depth: 36" 36" Height from UDC Bottom to Top 8" 8" of Highest Piping Penetration: Height from UDC Bottom to 6" 6" Lowest Electrical Penetration: Condition of UDC prior to Dry Dry testing: Portion of UDC Tested' 2"above Highest Piping Penetration Does turbine shut down when UDC sensor detects liquid(both x Yes ❑No ❑NA x Yes ❑No ❑NA ❑Yes []No ❑NA ❑Yes ❑No ❑NA product and water)?{ Turbine shutdown response time Is system programmed for fail- x Yes ❑No ❑NA x Yes ❑No ❑NA ❑Yes ❑No ❑NA ❑Yes ❑No ❑NA safe shutdown? Was fail-safe verified to be ❑Yes x No ❑NA ❑Yes x No ❑x NA ❑Yes ❑No [INA ❑Yes ❑No ❑NA operational?* Wait time between applying pressure/vacuum/water and 5 min 5 min 5 min 5 min starting test Test Start Time: 9:20 9:10 Initial Reading(Ri): .00" .00" .00" .00" Test End Time: 9:50 9:40 Final Reading(RF): .00 .00 Test Duration: 30 min 30 min 30 min 30 min Change in Reading(RF-Ri): .00 .00 Pass/Fail Threshold or Criteria: .005/30 min .005/30 min .005/30 min .005/30 min 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 x Yes ❑No ❑NA x Yes ❑No ❑NA Was sensor properly replaced and verified functional after testin ? x Yes ElNo ElNA x Yes ❑No ❑NA x Yes ❑No ❑NA x Yes 11No ❑NA 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"NA",the entire UDC must be tested. (See SWRCB LG-160)