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CAPACITY 3500 g PRECISION UNDERGROUND TANK TESTING RESULTS Patent Pending <br /> TANK # Diesel PAGE 6 <br /> STAT * UE046 TEST PROCEDURES <br /> TEST DATE: 06/02/89 Copyright 1985 <br /> NDE TECHNOLOGY, INC. PROPRIETARY <br /> COMPUTERIZED PRINTOUT OF DIGITAL LEAKAGE RATE DATA <br /> Tank Owner .................... = PAC BELL #UE046 <br /> Tank Number ................... = DIESEL <br /> Maasurament 0 15 <br /> Date of Tast 06/02/1989 <br /> Time of measurement ........... = 11:40:58 <br /> Tank Temperature .............. = 72.4768 degrees F. <br /> Tank Pressure _ .1829 psi. <br /> Bestc Tank Volume YY...f.###i.R = 3500.093 Gallons. <br /> Temperature Correction +••+#... 19.622 Gallons. <br /> PressureCorrection ..x....Y _ .003 Gallons. <br /> Corr ectad Volume .x...........x 3519.719 Gallons. <br /> Stratified Corrected Volume +•+ = 3520.064 Gallons. <br /> Total Fluid Level ............. = 107.02876 inches. <br /> Fluid Pressure on Tank Bottom 3.2908 psi <br /> Total Temperature Change ...... _ .01651 degrees F. <br /> Total Level Change ............ _ .02876 inches. <br /> Leak Rate Calculation Time..... = 01:02:24 <br /> Geometry Band ................. _ .0004 Gallons/Hour. <br /> Rate of Temperature Change .... .01177 degrees F/Hour. <br /> Volume Change ................. a .019 Gallons. <br /> Expected Level Change ......... _ .65050 inches. <br /> Measured Leval Change .....x... > .067SI inches. <br /> Primary Apparent Leak Y.+•.Y... s .0169 Gallons. <br /> Primary Apparent Leak Rate •.+• .016 Gallons/Hour. <br /> Strat Volume Change ......•..x. _ .0424 Gallons. <br /> Strat Expected Level Change •*# = 1.20938 inches. <br /> Strat Apparent Leak xe.xf.f.x.. _ .0400 Gallons. <br /> Strat Apparent Leak Rate .YY.Yx = .038 Gallons/Hour. <br /> Avg Measured Level Change ..... _ .04021 inches. <br /> Avg Volume Change ............. _ .0178 Gallons. <br /> Avg Expected Level Change ..... _ .50869 inches. <br /> Avg Apparent Leak ............. m .0164 Gallons. <br /> Avg Apparent Leak Rate ........ _ .016 Gallons/Hour. <br /> Avg Strat Volume Change #+#.ff. _ .0418 Gallons. <br /> Avg Strat Expected Level Change = 1.19432 inches. <br /> -Avg Strat Apparent Leak ..#..Y. _ .0404 Gallons. <br /> Avg Strat Apparent Leak Rate *• _ .039 Gallons/Hour. <br /> Total Elapsed Test Time = 01:30:02 <br /> COMPUTERIZED PLOTS OF LEAKAGE RATE DATA <br /> .10 <br /> .es <br /> .es <br /> .07 <br /> .06 <br /> Pas <br /> a .04 <br /> .03 <br /> .02 <br /> .01 <br /> W @ m @ sa <br /> cf 8-ti <br /> Q1 <br /> -.01 <br /> Cr -.03 <br /> 0 <br /> -.04 <br /> Incon <br /> R!i- <br /> F-TEST TIME - MINUTES _ <br /> NDE TECHNOLOGY, INC. PROPRIETARY <br /> WATT INC. 3131 FAIRHAVEN DRIVE, BAKERSFIELD , CA 93308 (805) 322-9827 <br />