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SWRCR.January 2002 Page 5 of 7 <br /> Site: Estes Trucking <br /> 7611 S. Airport Way <br /> Stockton,CA 95206 <br /> Date: May 7,2007 <br /> 7. UNDER-DISPENSER CONTAINMENT UDC TESTING <br /> Test Method Developed By: [ f UDC Manufacturer (XJ Industry Standard r ]Professional Engineer <br /> ( ]Other(Speck) <br /> � Tes[Method—Used ( ]pressure [ ]Vacuum [XI hydrostatic <br /> — <br /> TcetE ui meat Used: CALDWELL SYSTEM Equipment Resolution: 0.0025 <br /> UDC# 1 UDC; UDCUDC <br /> UDC Manufacturer: I Bravo <br /> IJDC Material: Steel <br /> UDC Depth: 91nch <br /> Height from UDC Bottom to <br /> Top of Highest Piping N/A <br /> L Penetration: <br /> I leight from UDC Bottom to <br /> Lowest Electrical Bottom <br /> Penetration: <br /> Condition of UDC prior to Dry <br /> testing <br /> Portion of UDC Tested] 71nch <br /> Does turbine shut down [ ]YES[ ]NO [I YES( ]NO [ ]YES[ ]NO [ ]YES[ )NO <br /> when UDC sensor detects [X]NA [ INA [ INA [ INA <br /> I liquid(both product& <br /> water)? <br /> Turbine shutdown response N/A <br /> time: <br /> Is system programmed for [ ]YES [ ]NO [ ] YEN[ ]NO I YES{ ]NO [ ]YES[ ]NO <br /> trail-safe shutdown? [XI NA j NA I INA NA <br /> ti as fail-safe verified to be [ ]YES[ ]NO [ ]YES[ ]NO I ( ]YES[ ]NO [ ]YES( )NO <br /> o>emtional? [Xj NA NA I JNA N <br /> wao time between applying <br /> pressure/vacumn/water& 5 Minutes <br /> starting test <br /> Test Start Time: 8A0 A.M. <br /> _Initial Reading(Rl): 71nch <br /> Test End Tirnr. 8'.30 A.M. <br /> Final Reading(RO'. _ /Inch <br /> Test Duration: 1/2 Hour <br /> Chane in Reading(Rf-RI) -0- <br /> Pass/Fail Threshold or -0- <br /> Criteria: <br /> Test Result: [Xj PASS I I FAIL PASS I I FAIL I I PASS ] FAIL I I PASS I FAIL <br /> Was sensor removed for [ ]YES [ ]NO [ JY"S [ ]NO [ ]YES [ ]NO <br /> tcstin-? ! X N/A I NIA [ ]NIA <br /> VYas sensor properly replaced [ ]YES [ ]NO [ ]YES ( ]NO [ ]YES [ ]NO <br /> ,md verified functional after (X]N/A [ ]N/A [ ]N/A <br /> feet? <br /> Comments—(include information on repairs made prior to testing,and recommended follow-up for failed tests) <br /> 1 Iflhc entire depth of are UDC is not tested,specify how much was tested. If the answer to any of the questions <br /> indicated wth an asterisk(1)is "NO"or"NA",the entire sump must be tested. (S WRCB LO-160) <br />