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n <br />CAPACITY 6,000 g PRECISION UNDERGROUND TANK TESTING RESULTS Patent Pending <br />TANK * Middle PAGE 6 <br />STAT * N/A TEST PROCEDURES <br />TEST DATE: 10/27/1988 Copyright 1985 <br />NDE TECHNOLOGY, INC. PROPRIETARY <br />COMPUTERIZED PRINTOUT OF DIGITAL LEAKAGE RATE DATA <br />Tank Owner .................... <br />= WESLEY FUEL <br />SERVICE <br />Tank Number .................. - <br />MIDDLE <br />Measurement # 15 <br />.03 <br />Date of Test .................. <br />= 10/27/1988 <br />Time of measurement ........... <br />= 11:23:24 <br />6y 'S a) 0 8J <br />Tank Temperature .............. <br />= 72.6266 <br />degrees F. <br />Tank Pressure ................. <br />_ .2588 <br />psi. <br />Basic Tank Volume ************* <br />= 6001.377 <br />Gallons. <br />Temperature Correction ******** <br />= 8.714 <br />Gallons. <br />Pressure Correction *********** <br />= 005 <br />Gallons. <br />Corrected Volume ************** <br />= 6010.096 <br />Gallons. <br />Total Temperature Change ...... <br />_ .0268 <br />degrees F. <br />Leak Rate Calculation Time .... <br />= 01:00:27 <br />Geometry Band ................. <br />= 0.000 <br />Gallons/Hour. <br />Rate of Temperature Change .... <br />_ .0166 <br />degrees F/Hour. <br />Total Fluid Level ............. <br />= 145.0456 <br />inches. <br />Volume Change ................. <br />_ .012 <br />Gallons. <br />Expected Level Change ......... <br />_ .0803 <br />inches. <br />Measured Level Change **«****** <br />_ .0456 <br />inches. <br />Primary Apparent Leak «******** <br />_ .0050 <br />Gallons. <br />Primary Apparent Leak Rate **** <br />_ .005 <br />Gallons/Hour. <br />Strat Expected Level Change *** <br />_ .0764 <br />inches. <br />Strat Apparent Leak ***«******* <br />_ .0044 <br />Gallons. <br />Strat Apparent Leak Rate ****** <br />_ .004 <br />Gallons/Hour. <br />Avg Measured Level Change ..... <br />_ .0462 <br />inches. <br />Avg Volume Change ............. <br />_ .010 <br />Gallons. <br />Avg Expected Level Change ..... <br />_ .0705 <br />inches. <br />Avg Apparent Leak ............. <br />_ .003 <br />Gallons. <br />Avg Apparent Leak Rate ........ <br />_ .004 <br />Gallons/Hour. <br />Avg Strat Volume Change ******* <br />_ .009 <br />Gallons. <br />Avg Strat Expected Level Change <br />= .0600 <br />inches. <br />Avg Strat Apparent Leak ******* <br />_ .002 <br />Gallons. <br />Avg Strat Apparent Leak Rate ** <br />_ _.002 <br />Gallons/Hour. <br />Total Elapsed Test Time ....... <br />= 01:17:56 <br />COMPUTERIZED PLOTS OF LEAKAGE RATE DATA <br />Pas_ <br />.10 <br />.09 <br />.08 <br />.07 <br />.05 <br />.04 <br />.03 <br />.02 <br />M <br />y <br />.01^•�: <br />t9 <br />6y 'S a) 0 8J <br />J <br />C <br />-.02 <br />L <br />M <br />a <br />-.03 <br />Q <br />-.04 <br />P <br />l• <br />/ <br />-.07 <br />TIJJE - <br />MIbUjgS <br />NDE TECHNOLOGY, INC. PROPRIETARY <br />WATT INC. 3131 FAIRHAVEN DRIVE, BAKERSFIELD, CA 93308 (805) 322-9827 <br />