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J <br />CAPACITY 7,500 g PRECISION UNDERGROUND TANK TESTING RESULTS Patent Pending <br />TANK * 2 UnI. 7.5K PAGE 2 <br />STAT * 787 SHORT REPORT FORM - TEST PROCEDURES <br />TEST DATE: 02/18/1988 Copyright 1985 <br />NDE TECHNOLOGY, INC. PROPRIETARY <br />COMPUTERIZED PRINTOUT OF DIGITAL LEAKAGE RATE DATA <br />Tank Owner - DESERT PETROLEUM <br />Tank Number - #2 UNL 7.SK <br />Measurement # 14 <br />Data of Test 02/18/1988 <br />Time of measurement -13:46:28 <br />Tank Temperature - 57.7482 degrees F <br />Tank Pressure - .2508 psi <br />Basic Tank Volume - 7500.327 Gallons. <br />Temperature Correction - -10.786 Gallons. <br />Pressure Correction - .010 Gallons. <br />Corrected Volume - 7489.551 Gallons. <br />Volume Change - .0462 Gallons. <br />Expected Level Change .84947 inches <br />Measured Level Change .66741 inches <br />Total Fluid Level - 157.6SS inches <br />Primary Apparent Leak = .010 Gallons. <br />Elapsed time - 00:S6:20 <br />Primary Apparent Leek Rate - .011 Gallons/Hour <br />Geometry Band - .0010 Gallons/Hour <br />Secondary Expected Level Change = .849 inches <br />Secondary Apparent Leak - OOS Gallons. <br />Secondary Apparent Leak Rate - .006 Gallons/Hour <br />Stratified Expected Level Change - .826 inches <br />Stratified Apparent Leak- .009 Gallons. <br />Stratified Apparent Leak Rate - .009 Gallons/Hour <br />Averaged Measured Level Change .52469 inches. <br />Averaged Volume Change - .0458 Gallons. <br />Averaged Expected Level Change - .84206 inches. <br />Averaged Apparent Leak - .017 Gallons., <br />Averaged Apparent Leak Rate = .023 Gallons/Hone;. <br />Averaged Stratified Volume Change - .0455 Gallons. <br />Averaged Expected Stratified Level Change - .83700 inches. <br />Averaged Stratified Apparent Leak - .017 Gallons., <br />Averaged Stratified Apparent Leak Rate - .022 Gallons/Hour. <br />COMPUTERIZED PLOTS OF LEAKAGE RATE DATA <br />NDE TECHNOLOGY, INC. PROPRIETARY <br />WATT INC. 3131 FAIRHAVEN DRIVE, BAKERSFIELD, CA 93308 (805) 322-9827 <br />.1000 <br />.0300 <br />.0800 <br />.a�e0 <br />.e6ee <br />P <br />m <br />.0400 <br />.0300 <br />J <br />.020 <br />«. <br />.01 <br />L <br />r <br />Cr <br />200 <br />-.0300 <br />-.0400 <br />Igai <br />NDE TECHNOLOGY, INC. PROPRIETARY <br />WATT INC. 3131 FAIRHAVEN DRIVE, BAKERSFIELD, CA 93308 (805) 322-9827 <br />