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CAPACITY 25000 g PRECISION UNDERGROUND TANK TESTING RESULTS Patent Pending <br />TANK * D -67-25K-01 PAGE 2 <br />STAT * N/A SHORT REPORT FORM <br />TEST DATE: 4/25/1988 Copyright 1985 <br />NDE TECHNOLOGY, INC. PROPRIETARY <br />COMPUTERIZED PRINTOUT OF DIGITAL LEAKAGE RATE DATA <br />Tank Owner - PACIFIC BELL-STOCKTON <br />Tank Number - D -67-25K-01 <br />Measurement t 18 <br />Date of Test 04/25/1988 <br />Time of measurement =12:39:57 <br />Tank Temperature = 64.4089 degrees F <br />Tank. Pressure .0812 psi <br />Basic Tank Volume - 25001.037 Gallons. <br />Temperature Correction - 51.255 Gallons. <br />Pressure Correction - .009 Gallons. <br />Corrected Volume - 25052.302 Gallons. <br />Volume Change - .0162 Gallons. <br />Expected Level Change - .29735 inches <br />Measured Level Change - -.46104 inches <br />Total Fluid Level - 189.175 inches <br />Primary Apparent Leak - .041 Gallons. <br />Elapsed time - 00:55:54 <br />Primary Apparent Leak Rate - .044 Gallons/Hour <br />Geometry Bend - .0004 Gallons/Hour <br />Stratified Expected Level Change = .349 inches <br />Stratified Apparent Leek - .044 Gallons. <br />Stratified Apparent Leak Rate - .047 Gallons/Hour <br />Averaged Measured Level Change = -.48028 inches. <br />Averaged Volume Change - .0146 Gallons. <br />Averaged Expected Level Change .26799 inches. <br />Averaged Apparent Leak - .041 Gallons., <br />Averaged Apparent Leak Rate = .044 Gallons/Hour. <br />Averaged Stratified Volume Change - .0148 Gallons. <br />Averaged Expected Stratified Level Change .27152 inches. <br />Averaged Stratified Apparent Leak - .041 Gallons., <br />Averaged Stratified Apparent Leak Rate - .044 Gallons/Hour. <br />.1000 <br />_ .0900 <br />J ewe <br />.0700 <br />m <br />90 <br />m Pas <br />.0400 <br />m .0300 <br />J .0200 <br />G is e? 0 <br />-.0100 <br />g -.0300 <br />oL -.0400 <br />Pas - <br />T TIME - MINUTES <br />NDE TECHNOLOGY, INC. PROPRIETARY <br />WATT INC. 3131 FAIRHAVEN DRIVE, BAKERSFIELD, CA 93308 (805) 322-9827 <br />