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CAPACITY 25000 g PRECISION UNDERGROUND TANK TESTING RESULTS Patent Pending <br /> TANK # D-67-01 Diesel PAGE 6 <br /> STAT # UE-042 TEST PROCEDURES <br /> _.TEST DATE: 10/13/89 Copyright 1985 <br /> NDE TECHNOLOGY, INC . PROPRIETARY <br /> COMPUTERIZED PRINTOUT OF DIGITAI, LEAKAGE RATE DATA <br /> Tank Owner .................... . PAC-BELL <br /> Tank Number = 0-67-01 DTFSEL <br /> Measurement 4 19 <br /> Bate of Tesi 10;23/1929 <br /> 1'tme of measurement ........... 10:53:33 <br /> Tank. Temperatura. .............. 72.2129 dcgre:es F. <br /> lank Pressure ................. _ .1822 pat. <br /> Basic Tank. Volume ...x.x*xx.x.x = 25000.144 Gallons. <br /> Temperature Correction *+*+•+** s 137.190 Ballon.". <br /> Pressure Correction ...x....... a .021 6.1 lons. <br /> Corrected Volume .........I *. - 2513'7.3512 Gallons. <br /> Stratified Corrected Volume *** _ .'.5135.21: Gallons. <br /> Total Fluid Level ............. = 161,3592E inches. <br /> Fluid Pressure on Tank Bottom - 4.9613 psi <br /> Total e.mperatura Change ...... = .036BO dagr'eea F. <br /> Total t_evel Change = .35926 in=.hes. <br /> Leal. Rate Calculation Time..... _ (91:02:53 <br /> Geometry Band .0004 Gallons/Hour. <br /> Rate of Temperature Change .... _ .00184 degrees t:/Hour. <br /> Volume Change ................. - .023 Gallons. <br /> Expected Level Change ......... = .23520 inches. <br /> Measured Level Change ...I—— _ .26653 inches. <br /> Primary Apparent Leak ..... _ -.0051 G..11ons. <br /> Primary Apparent Leak Rate **** _ -.003 Gallons/Hour'. <br /> Strat Volume Changs 0233 Gallona. <br /> Strat Expected Level Change •*+ _ .2425. inc:hts. <br /> Strat Apparent Leak *......r.*. _ -.0044 Gallcns. <br /> Strat Apparent Leak Rate +****• _ -.004 Gallons/Hour. <br /> Avg Measured Lavel Change ..... _ .26400 inches. - <br /> Avg Volume Change ............. > .0319 Galloris. <br /> Avg Expected Level Change .... .33181 inohea. <br /> Avg Apparent Leak ............. b .0046 Gallons. <br /> Avg Apparent Leak. Rate ........ a .004 6allonsiHour. <br /> Avg Strat Volume Change xx***** _ .0263 Gallons. - <br /> Avg Strat Expected Level Change = .27304 in,:hes. <br /> Avg Strat Apparent Leak. xx*.... = -.0011 GaII ons. <br /> Avg Strat Apparent Leak. Rate ** _ -.UI Gallons/Hour. <br /> Total Elapsed Teat Time ....... - 01:58:55 <br /> COMPUTERIZED PLOTS OF LEAKAGE RATE DATA <br /> ps <br /> w, <br /> (� 7 <br /> 1 ,�'' <br /> .J <br /> a 1 <br /> L <br /> 4. .2 <br /> =dr <br /> TEST TIME <br /> NDE TECHNOLOGY, INC. PROPRIETARY <br /> WATT INC . 31.31 FAIRHAVEN DRIVE , BAKERSFIELD, CA 9`3308 (805) 322-9827 <br />