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CAPACITY 5 , 000 g PRECISION UNDERGROUND TANK TESTING RRSULTS Patent Pending <br /> TANK * Regular 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 Oun.. ..........I......... . CHEVRON 890959 <br /> Tank N.ASer ................... . REGULAR <br /> Measurement t 20 <br /> 0a la of Test 08/09/1989 <br /> Time of .....rament ........... . 01:25:23 <br /> Tank Temperature .............. . 73.3079 tlegreee F. <br /> Tank Pressure ................. . .1950 psi. <br /> 8 ''c <br /> Tank Volume • .••...••.• . 5000.805 Gallons. <br /> Temperature Correction •.••.••• - 34.644 sell.... <br /> Pressure Corr so t,.n .•.•.•.•••• . .006 Gallons. <br /> Corrected Volum: .•••.••.••.•.• . 5035.455 sell..*. <br /> Stratified Corrected Volume ... - 5033.747 Gallons. <br /> Total Fluid Level ............. . 151.13813 Inches. <br /> FluidPressure on Tank Bottom . 4.3746 psi <br /> Total Tamperature Change ...... .08368 degrees F. <br /> Total Level Change ............ - 1.13813 inches. <br /> Leak Rata Calculation Time..... . 01:03:37 <br /> Geometry Band ................. . .0020 Gallons/Hour. <br /> Rete of Temperature Change .... .03896 tlegreee F/Hour. <br /> Volume Change ................. . .108 Gallons. <br /> Expected Level Change ......... . .61444 Inch... <br /> Measured Level Change ••..••• • . .54814 inch... <br /> Primary Apparent Leak • •••. . .0116 Gallons. <br /> Primary Apparent Leak Rale .•. . .011 Gallon./H.ur. <br /> Strel Volume Change ........... . .1163 Gallons. <br /> Strat Expected Leval Change •** - .66175 inches. <br /> Strat Apparent Leak • ••...•. - .0200 Gallons. <br /> Strat Apparent Leak Rate .••••• . .019 6allone/Hour. <br /> Avg Measured Level Change ..... .64337 Inches. <br /> Avg Volume Change ............. . .1090 Gallons. <br /> Avg Expected Level Change ..... .62005 Inches. <br /> Avg Apparent Leak ............. - -.0041 Gallons. <br /> An Apparent Leak Rate ........ . -.004 6allone/Hour. <br /> Avg Strat Volume Change • .. . .1179 Gotten.. <br /> Avg Strat Expected Level Change - .67088 Inches. <br /> Avg Strat Apparent Leak • ••• - .0048 Gallons. <br /> Avg Strat Apparent Leak Rale •• - .005 6allone/Hour. <br /> Total Elapsed Test Time ....... - 02:04:42 <br /> COMPUTERIZED PLOTS OF LEAKAGE RATR DATA <br /> .te <br /> .es <br /> .ea <br /> .07 <br /> .06 <br /> Pas <br /> a .04 <br /> .03 <br /> 02 <br /> J .01 <br /> m gq <br /> -.02 <br /> -.03 <br /> ¢ -.04 <br /> ancon Am- <br /> T 1E - MINUTES <br /> NDE TECHNOLOGY, INC. PROPRIETARY <br /> WATT INC . 3131 FAIRHAVEN DRIVE , BAKERSFIELD, CA 93308 ( 805) 322-9827 <br />