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CAPACITY 10000 g PRECISION UNDERGROUND TANK TESTING RESULTS Patent Pending <br /> TANK * Supreme PAGE 6 <br /> STAT * 90959 TEST PROCEDURES <br /> TEST DATE : 08/08/89 Copyright 1985 <br /> NDE TECHNOLOGY, INC. PROPRIETARY <br /> COMPUTERIZED PRINTOUT OF DIGITAL LEAKAGE RATE DATA <br /> Tank Owner .................... . CHEVRON 1190959 <br /> Tank Number . SUPER UNLEADED <br /> Measurement I 2T <br /> Dale of Test 08/09/1989 <br /> Tima of measurement ........... . 02:09:32 <br /> Tank Temperature .............. . 80.1962 degree. F. <br /> Tank Pressure ................. . .1484 pal. <br /> Basic Tank Volume • .......•.. . 10000.925 Gallon.. <br /> Temp era lure Correction ..u••.• . 113.916 Gallon.. <br /> Pressure Cor...lion ........... . .008 Gallon.. <br /> Corrected Volume • •... . 10114.849 Gallons. <br /> Stratified Corrected Volume .•. - 10110.512 Gallon.. <br /> Total Fluid Leval ............. • 140.74325 Inches. <br /> Fluid Pre eau re on Tank Bottom - 4.2025 p.l <br /> Total Temperature Chance ...... -.03933 degrees F. <br /> Total Leval Change ............ . -.25675 inches. <br /> Leak Rate Calculation Time..... • 01:06:31 <br /> 6...atry Band ................. . -.0003 Gallons/Hour. <br /> Rata of Temperature Chance .... a -.00251 degrees F/Hour. <br /> Volume Change ................. • -.016 Gallon.. <br /> Expected Level Change ......... • -.07650 Inch... <br /> Measured Level Change ......... . -.03894 Inches. <br /> Primary Apparent Leak ......... . -.0077 Gallons. <br /> Primary Apparent Leak Rate ••.. . -.007 Gallon./Hour. <br /> Str.t Vol... Chance ........... . .0670 Gallons. <br /> Strut Expected Level Change •.. . .32568 Inches. <br /> Strut Apparent Leak ........... . .0750 Gallons. <br /> Strut Apo....t Leak Rat e •••••. . .068 6e1lona/Maur. <br /> Avg Measured Level Change ..... -.05455 inches. <br /> An Volume Change ............. • -.0296 Gallon.. <br /> Avg Expected Leval Chang. ..... u -.14392 inches. <br /> Avg Apparent Leak ............. • -.0184 Gallon.. <br /> Avg Apparent Leak Rata ........ . -.017 Gallona/Hour. <br /> Avg Slrel Volume Change . .. . .0631 Gallons. <br /> Avg Strat Expected Leval Change - .30705 inches. _ <br /> Avg Strat Apparent Leak ****#** - .0744 Gallons. <br /> Avg Strut Apparent Leak Rata •• - .067 Gallons/Hour. <br /> Total Elapsed Test Time ....... . 02:52,12 <br /> COMPUTERIZED PLOTS OF LEAKAGE RATE DATA <br /> .s <br /> 5 <br /> a <br /> Y <br /> n .3 <br /> rc <br /> � 2 <br /> J <br /> C 1 y <br /> aLY, Pas <br /> Ancon <br /> r -.1 <br /> M <br /> N <br /> E -.2 <br /> TE5 <br /> d � <br /> -.3 <br /> T TILIE UIBUTES <br /> NDE TECHNOLOGY, INC . PROPRIETARY <br /> WATT INC. 3131 FAIRHAVEN DRIVE , BAKERSF'IELD , CA 93308 (805) 322 -9827 <br />