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e, a <br /> CAPACITY 3, 500 PRECISI N UNDERGROUND TANK. TESTING ESULTS Patent: Pending <br /> g b <br /> TANK * Diesel PAGE 2 <br /> STAT * UE046 SHORT REPORT FORM <br /> TEST DATE : 08/13/91 Copyright 1985 <br /> NUE TECIINOI.DGY, INC . PROPRIETARY <br /> COMPUTERIZED PRINTOUT OF DIGITAL LEAKAGE RATE DATA <br /> 'rank Owner. = PAC BELL <br /> Tank:. rium e.r . . . . . . . . . . . . . . . . - 11805 <br /> Measurement It 24 <br /> Date of measurement - 08/13/1991 <br /> Time of measurement . . . . . . . . . . . = 11 :28:47 <br /> Tank Temperature . . . . . . . . . . . . . . = 79.7907 degrees F. <br /> Tank Pressure = 1 . 10:39 psi . <br /> Basic Tan1:. Volume 3500. 150 gallons. <br /> Temperature Correction 31 .026 Gallons. <br /> Pressure Correction ## * *Y< = .018 Gallons. <br /> Corrected Volume * + ## # 3531 . 194 Gallons. <br /> Stratified Corrected Volume * # = 3531 . 937 Gallons. <br /> Total Fluid Level . . . . . . . . . . . . . - 109.52937 inches. <br /> Fluid Pressure on Tank Bottom = 3.3716 psi <br /> Total Temperature Change . . . . . . .0988' degrees F. <br /> Total Level Change . . . . . . . . . . . . = 1 .52937 inches . <br /> Leak; Rate Calculation Time. . . . . = 01 :01 :49 <br /> Geometry Band . . . . . . . . . . . . . . . . . = .0006 Gall0n5/11aur. <br /> Rate. of Temperature Change . . . . = .01941 degrees F/Hour. <br /> kr'o.lume. Change . . . . . . . . . . . . . . . . . - .032 Gallons . <br /> Expected Level Change . . . . . . . . . - .58072' inches. <br /> r°leaser ed Level Change * #* _ .4.7432 inches . <br /> Primary Apparent Leak: * _ .0058 Gallon. . <br /> Primarly Appy__irent Leak: Rate .006 Gallons/Hour. <br /> Strat Volume Change #YaY *ri _ .0387 Gallons . <br /> Strat Expected Level Change # * _ .71193 .inches. <br /> Strat Apparent Leal: *} tK- *# _ .0129 Gallons. <br /> Strat Apparent Leal.. Rat;, X01113 Gallons/Hour. <br /> Avg 1.1easured Level. Change = 1 .09533 ir7che5. <br /> Avg Volume Change . . . . . . . . . . . . . = .0369 Gallons. <br /> Avg Expected Level Change . . . . . = .67894 inches. <br /> Avg Apparent Leak = -.0227 Gallons. <br /> i Avg Apparent. Leal; Rate . . . . . . . . _ -.022 Gallons/Hour. <br /> Avg Strat Volume Change .0469 Gallons. <br /> Avg Strat Expected Level Change = .86179 inches. <br /> Avg Strat Apparent: Leal:; •* E * = - .0127 Gallons . <br /> A•.-g Strat Apparent Leal--, Rate * _ -.012 Gallons/Hour. <br /> Total Elapsed +Nest Time . . . . . . . - 02:03:'0 <br /> NDE TECHNOLOGY, INC . PROPRIETARY <br /> WATT INC . 3131 FAIRHAVEN DRIVE , BAKERSFIE:LD , CA 93308 (805) 322-9827 <br />