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CAPACITY 10000 g PRECISION UNDERGROUND TANK TESTING RESULTS Patent Pending <br /> TANK # Regular PAGE 6 <br /> STAT # N/A TEST PROCEDURES <br /> TEST DATE : 10/23/89 Copyright 1985 <br /> NDE TECHNOLOGY, INC . PROPRIETARY <br /> COMPUTERIZED PRINTOUT OF DIGITAL LEAKAGE RATE DATA <br /> Tank Owner .................... = C.B.S. MINI MART <br /> Tank Number ................... = REG. <br /> Measurement 4 IS <br /> pate of Test 10/24/1989 <br /> Timm o1 measurement ........... = 01:22:52 <br /> Tank Tariparalur-a .............. 63.4003 dtgreea F. <br /> Tank Pressure ................. . 2636 pot. <br /> Basic Tank Volume ••••......... .. 10000.000 Gallons. <br /> Temperature Correction ••+••+•+ = 19.177 Gallons. <br /> Prassurt Correction •••••*••+•+ _ .014 Cellons. <br /> Corrected Volume ............0. . 10019.191 Gallons. <br /> Sir ittflad Corrected Volume ••+ 10019.834 Gallons. <br /> Total Fluid Level ............. = 142.99463 ir.chas. <br /> Fluld Praasure on Tank Bottom - 4.0401 pal <br /> Total Temperature Change ...... _ .02175 degrees F. <br /> Total Level Change ............ _ .99463 Inches. <br /> Leak Rata Calculation Time..... = 01:00:32 <br /> Geometry Qand ................. _ .0011 Golluns/Hour. <br /> Rate of Temperature Change .... _ .00961 degrees F/Hour. <br /> Volume Change = .056 Gallons. <br /> Expected Level Change ......... _ .80424 inches. <br /> Measured Leval Change +•++•►++• _ .44245 inches. <br /> Primary Apparent Leak ++•+•+*++ _ .0249 Gallons. <br /> Primary Apparent Leak Rate ••4• _ .025 Gallons/Hour. <br /> Strat Volume Change •+••*+*•+++ _ .0520 Gallons. <br /> Strat Expected Leval Change •+• .75474 inches. <br /> Strat Apparent Leah. •••••+•••+• _ .0215 Gallons. <br /> Strat Apparent Leak Rate •+••+• _ .0%I Gallons/Hour. <br /> Avg Measured Level Change ..... . .4BI83 inches. <br /> Avg Volume Chan0e ............. _ .0478 Gallons. <br /> Avg E.%perted Level Change ..... _ .69424 1nohns. <br /> Avg Apparent Leak ............. _ .0181 Gallons. <br /> Avg Apperont Leak Rate ........ _ .018 Golluns/Hour. <br /> Avg Strat Volume Change •••+4•• _ .0409 66110ns. <br /> Avg Strat 'Expected Level Change - 59413 inches, <br /> Avg Strat Apparent Leak .... • _ .0112 Gallons. <br /> Avg Strat Apparent Leak Gate to . .011 6allons/Hour. <br /> Total Elap3ad Test Time ....... = 02:07:35 <br /> COMPUTERIZED PLOTS OF LEAKAGE RATE DATA <br /> .1 c, <br /> Lj4 <br /> I <br /> .OE; <br /> .01 <br /> c - ILt:int_-r--�---+---t----+'--�r--t—+—+--u4--t---+--+--�"�----r--i--t--�—+---t-•—r—�--t-= <br /> CL <br /> a -Al2 <br /> 13: <br /> .03 <br /> r -.i34 <br /> NDE TECHNOLOGY, INC. PROPRIETARY <br /> WATT INC . 3131 FAIRHAVIN DRIVE , BAKERSFIELD , CA 9:3308 (805) 322-9827 <br />