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i METTtfR-RYAN INC. —7 Job# 20-630774.1 <br /> SWRCD,January 2002 Page 3 of 3 <br /> 7.UNDER-DISPENSER CONTAINMENT (UDC)TESTING <br /> Test Method Developed By: Tank Manufacturer Industry Standard Professional Engineer <br /> Other(specify) <br /> Test Method Used: Pressure Vacuum Hydrostatic <br /> Other(specify) <br /> Test Equipment Used: Incon Equipment Resolution: 0.0001 <br /> j <br /> UDC# 7-8 UDC# UDC# UDC# <br /> UDC Manufacturer: Environ <br /> UDC Material: Plastic <br /> UDC Depth: 33" <br /> Height from UDC Bottom to Top <br /> 13" <br /> of Highest Piping Penetration: <br /> Height from UDC Bottom to Top 811 <br /> Lowest Electrical Penetration: <br /> Condition of UDC prior to Good <br /> testing: <br /> Portion of UDC Tested(1) Above Penetration <br /> Does turbine shut down when <br /> UDC sensor detects liquid(both iYes` No NA Yes No NA Yes No NA Yes No NA <br /> product and water)?* <br /> Turbine shutdown response time 2sec <br /> Is system programmed for fail-safe Y� No NA Yes No NA Yes No NA Yes No NA <br /> shutdown?* <br /> Was fail-safe verified to be ' <br /> ,ts; No NA Yes No NA Yes No NA Yes No NA <br /> operational?* <br /> Wait time between applying <br /> pressure/vacuum/water and starting 10min <br /> test: <br /> Test Start Time: 10:04am <br /> Initial Reading(Ri): 5,3930 <br /> Test End Time: 10:19am <br /> Final Reading(Rf) 5.3927 <br /> Test duration: 15min <br /> Change in Reading(Rf-Ri): 0.0003 <br /> Pass/Fail Threshold or Criteria: 0.002 0.002 0.002 0.002 <br /> Test Results: X Pass Fail Pass Fail Pass Fail Pass Fail <br /> Was sensor removed for testing? 'ftsJ No NA Yes No NA Yes No NA Yes No NA <br /> Was sensor properly replaced and <br /> j <br /> verified functional after testing? g a; No NA Yes No NA Yes No NA Yes No NA <br /> M. <br /> Comments-(include information on repairs made prior to testing,and recommend follow-up for failed tests) <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 />