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r <br /> CAPACITY 350 91 . PRECIA UNDERGROUND TANK TESTIN ESULTS Patent Pending <br /> TANK 1-F PAGE 2 <br /> STAT * N/A SHORT REPORT FORM - TEST PROCEDURES <br /> TEST DATE: 07/28/1987 Copyright 1985 <br /> NDE TECHNOLOGY, INC. PROPRIETARY <br /> COMPUTERIZED PRINTOUT OF DIGITAL LEAKAGE RATE DATA <br /> Tank Owner - CA. WATER SERVICE CO. <br /> Tank Number - I-F <br /> Measurement 4 20 <br /> Date of Test 07/28/1987 <br /> Time of measurement =02:33:17 <br /> Tank Temperature 77.4650 degrees F <br /> Tank Pressure = .1242 psi <br /> Basic Tank Volume 350.055 Gallons. <br /> Temperature Correction = 4.157 Gallons. <br /> Pressure Correction 0.000 Gallons. <br /> Corrected Volume = 354.212 Gallons. <br /> Volume Change = .0330 Gallons. <br /> Expected Level Change = 3.23284 inches <br /> Measured Level Change = .98563 inches <br /> Total Fluid Level = 76.342 inches <br /> Primary Apparent Leak. = .023 Gallons. <br /> Elapsed time = 00:56:19 <br /> Primary Apparent Leak Rate = .024 Gallons/Hour <br /> Geometry Band = .0007 Gallons/Hour <br /> Stratified Expected Level Change 3.255 inches <br /> Stratified Apparent Leak = .023 Gallons. <br /> Stratified Apparent Leak Rate = .025 Gallons/Hour <br /> Averaged Measured Level Change = 1.15882 inches. <br /> Averaged Volume Change - -.0007 Gallons. <br /> Averaged Expected Level Change - -.07283 inches. <br /> Averaged Apparent Leak - -.013 Gallons. , <br /> Averaged Apparent Leak Rate -.013 Gallons/Hour. <br /> Averaged Stratified Volume Change = .0039 Gallons. <br /> Averaged Expected Stratified Level Change - .37891 inches. <br /> Averaged Stratified Apparent Leak = -.008 Gallons. , <br /> Averaged Stratified Apparent Leak Rate -.008 Gallons/Hour. <br /> COMPUTERIZED PLOTS OF LEAKAGE RATE DATA <br /> .1000 <br /> P ¢ W <br /> -.1000Ce <br /> -.2600 f. <br /> f!J <br /> -.3000 <br /> L <br /> -.4006 <br /> -.5 6 <br /> f- <br /> _ u <br /> NDE TECHNOLOGY, INC PROPRIETARY <br /> WATT INC. 3131 FAIRHAVEN DRIVE, BAKERSFIELD, CA 93308 (805) 322-9827 <br />