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SWRCB, January 2002 <br />E <br />7. UNDER -DISPENSER CONTAINMENT (UDC) TESTING <br />Page _ of <br />Test Method Developed By: F-1 UDC Manufacturer E Industry Standard x Professional Engineer <br />Other (Specify) <br />Test Method Used: Pressure Vacuum x Hydrostatic <br />3 Other (Specify) <br />Test Equipment Used: Caldwell Level Change Indicator <br />Equipment Resolution: .0025 <br />C # 9&10 UDC # 11&12 <br />UDC # <br />UDC 4 <br />UDC Ma i nufacturer: <br />CM r <br />7De <br />Western Western <br />UDCDC Material: <br />C M <br />FRP FRP <br />UDCe the <br />DC <br />33" 33" <br />Height from UDC Bottom to Top <br />of Hi est Piping Penetration: <br />8 V2" 8 1/2" <br />Height from UDC Bottom to <br />Lowest Electrical Penetration: <br />7 V2" 7 1/2 <br />Condition of UDC prior to <br />testing: <br />DRY DRY <br />Portion of UDC Tested' <br />Water Line I F Water line I I" <br />Does turbine shut down when <br />UDC sensor detects liquid (both <br />product and water )?. <br />x Yes D No 0 NA x Yes 0 No 0 NA <br />Yes 0 No _rj NA <br />Yes D No 0 NA <br />Turbine shutdown response time <br />8 seconds 10 seconds <br />Is system programmed for fail- <br />safe shutdown?* <br />x Yes —_ No :1 NA xYes 7_,No —_NA <br />Yes D No D NA <br />Yes E No D NA <br />Was fail-safe verified to be <br />operational?* <br />xYes DNo [INA x Yes 0 No D NA <br />Yes ONo ENA <br />Yes 0 No El NA <br />Wait time between applying <br />pressure/vacuum,/water and <br />starting test <br />5 minutes 5 minutes <br />Test Start Time: <br />11:00 a.m. 11:10 a.m. <br />Initial Reading (Rj): <br />.001 .001 <br />Test End Time: <br />11:30 a.m. 11:40 a.m. <br />Final Reading (RF): <br />.001 .001 <br />Test Duration: <br />30 Minutes 30 Minutes <br />Change in Reading (RF-Rj): <br />0 0 <br />Pass/Fail Threshold or Criteria: <br />.005/30 Minutes .005/30 Minutes <br />Test Results <br />x Pass 0❑Fail x Pass 0 Fail <br />Pass 0 Fail <br />Pass 0 Fail <br />Was sensor removed for testing? <br />xYes E -No DNA x Yes 0 No 0 NA <br />Yes E No [I NA <br />Yes 0 No DNA <br />Was sensor property replaced and <br />verified functional after testing? <br />xYes DNo DNA xYes DNo DNA <br />Yes D, No 2 NA <br />Yes 0 No [INA <br />Comments — (include information on repairs made prior to testing, and recommended <br />Nev 0 8 29V <br />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 <br />asterisk (*) is "NO" or "NA", the entire UDC must be tested. (See SWRCB LG -160) <br />