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CAPACITY 10000 g PRECISION UNDERGROUND TANK TESTING RESULTS Patent Pending <br />TANK # 3 Reg. 10K PAGE 2 <br />STAT * 787 SHORT REPORT FORM - TEST PROCEDURES <br />TEST DATE: 02/18/1988 Copyright 1985 <br />NDE TECHNOLOGY, INC. PROPRI-ETARY <br />COMPUTERIZED PRINTOUT OF DIGITAL LEAKAGE RATE DATA <br />Tank Owner - DESERT PETROLEUM <br />Tank Number - #3 REGULAR 10K <br />Measurement # 14 <br />Data of Test 02/18/1988 <br />Time of measurement 16:30:26 <br />Tank Temperatures 57.6518 degrees F <br />Tank Pressu" - .4611 psi <br />Basic Tank Volume 10000.262 Gallons. <br />Temperature Correction - -12.806 Gallons. <br />Pressure Correction .025 Gallons. <br />Corrected Volume 9987.481 Gallons. <br />Volume Change - .1446 Gallons. <br />Expected Level Change - 2.65787 inches <br />Measured Level Change - 1.98704 inches <br />Total Fluid Level - 151.863 inches <br />Primary Apparent Leak - .036 Gallons. <br />Elapsed time - 00:59:30 <br />Primary Apparent Leak Rate - .037 Gallons/Hour <br />Geometry Band - .0029 Gallons/Hour <br />Secondary Expected Level Change - 2.658 inches <br />Secondary Apparent Leak - .040 Gallons. <br />Secondary Apparent Leak Rate - .040 Gallons/Hour <br />Stratified Expected Level Change - 2.582 inches <br />Stratified Apparent Leak - .032 Gallons. <br />Stratified Apparent Leak Rate - .033 Gallons/Hour <br />Averaged Measured Level Change - 1.56213 inches. <br />Averaged Volume Change - .1245 Gallons. <br />Averaged Expected Level Change - 2.28871 inches. <br />Averaged Apparent Leek - .040 Gallons., <br />Averaged Apparent Leak Rate - .047 Gallons/Hour. <br />Averaged Stratified Volume Change - .1219 Gallons. <br />Averaged Expected Stratified Level Change - 2.24965 inches. <br />Averaged Stratified Apparent Leak - .037 Gallons., <br />Averaged Stratified Apparent Leak Rate - .044 Gallons/Hour. <br />COMPUTERIZED PLOTS OF LEAKAGE RATE DATA <br />m <br />.1000 <br />w <br />oc <br />m <br />J P <br />a <br />L <br />r <br />® <br />S <br />•M <br />P <br />TEST TIME MINUTES <br />NDE TECHNOLOGY, INC. PROPRIETARY <br />WATT INC. 3131 FAIRHAVEN DRIVE. BAKERSFIELD. CA 93308 (805) 322-9827 <br />