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*40 <br />CAPACITY 2,000 g PRECISION UNDERGROUND TANK TESTING RESULTS Patent Pending <br />TANK * R -DVI -06 PAGE 6 <br />STAT # Deuel Vocational Inst. TEST PROCEDURES <br />TEST DATE: 11/28/1988 Copyright 1985 <br />NDE TECHNOLOGY, INC. PROPRIETARY <br />COMPUTERIZED PRINTOUT OF DIGITAL LEAKAGE RATE DATA <br />Tank Owner .................... <br />. STATE OF CALIFORNIA <br />Tank. Number .................. - <br />R -DVI -06 <br />Measurement s 23 <br />Date of Test .................. <br />- 11/28/1968 <br />Time of measurement ........... <br />= 16:04:31 <br />L <br />Tank Temperature ............... <br />- 57.5060 <br />degrees F. <br />Tank Pressure ................. <br />- .1982 <br />psi. <br />Basic Tank Volume ..•.••.•••••• <br />. 2001.082 <br />Gallons. <br />Temperature Correction •00••0•• <br />- -3.185 <br />Gallons. <br />Pressure Cerrecticn ......••••• <br />• .002 <br />Gallons. <br />Corrected Volume •........•++•• <br />. 1997.900 <br />Gallons. <br />Total Temperature Change ...... <br />.4771 <br />degrees F. <br />Leak Rete Calculation Time .... <br />- 01:01:18 <br />Geometry Band ................. <br />- .005 <br />Gallons/Hour. <br />Rate of Temperature Change.... <br />.1850 <br />degrees F/Hour. <br />_ <br />- Total Fluid Level ............. <br />- 111.7261 <br />inches. <br />Volume Change .................- <br />.242 <br />Gallons. <br />Expected Level Change ......... <br />- 1.6849 <br />inches. <br />Measured Level Change .••••.••• <br />- 1.7261 <br />inches. <br />Primary Apparent Leak 00.•••444 <br />- -.0059 <br />Gallons. <br />Primary Apparent Leak Rate ••+. <br />- -.006 <br />Gallons/Hour. <br />Strat Expected Level Change ••• <br />- 1.6523 <br />inches. <br />Strat Apparent Leak= <br />-.0106 <br />Gallons. <br />Strat Apparent Leak Rate••*••.• <br />. -.010 <br />Gallons/Hour. <br />Ayg Measured Level Change ..... <br />1.8630 <br />inches. <br />Avg Volume Change ............. <br />- .230 <br />Gallons. <br />Avg Expected Level Change ..... <br />w 1.5996 <br />inches. <br />Avg Apparent Leak. ............. <br />- -.038 <br />Gallons. <br />Avg Apparent Leak. Rate ........ <br />- -.040 <br />Gallons/Hour. <br />Avg Strad Volume Change 4•• ••• <br />- .224 <br />Gallons. <br />Avg Strat Expected Level Change <br />- 1.56.'4 <br />inches. <br />Avg Strat Apparent Leak •• •.•4 <br />. -.043 <br />Gallons. <br />Avg Stret Apparent Leak Rate •• <br />- -.046 <br />Gallons/Hour. <br />Total Elapsed Test Time ....... - 02.20:07 <br />COMPUTERIZED PLOTS OF LEAKAGE RATE. DATA <br />x <br />J <br />Q <br />y <br />L <br />yL <br />W <br />d <br />-1 Passi <br />c <br />0) w <br />m <br />te., <br />$°co <br />N a <br />lap r <br />L <br />L <br />a <br />Pa -- <br />TEST TIME - MINUTES <br />NDE TECHNOLOGY, INC. PROPRIETARY <br />WA'rT INC. 3131 FAIRHAVEN DRIVE, BAKERSFIELD, CA 93308 (805) 322-9827 <br />