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CAPACITY 10000 g PRECISION UNDERGROUND TANK TESTING RA'.' U TS Pntent Pending <br /> TANK * Super Unleaded PAGE 5 <br /> STAT 0 Arco TEST PROCEDURES <br /> TEST DATE: 10/28/91 Copyright 1985 <br /> NDE TECHNOLOGY, INC . PROPRIETARY <br /> COMPUTERIZED PRINTOUT OF DIGITAL LEAKAGE RATE DATA <br /> Tank Owner . . . . . . . . . . . . . . . . . . . . = MARK SANDS ARCO <br /> Tank Number = 10K SUP/UNLO <br /> Measurement 4 28 <br /> Date of measurement = 10/28/1991 <br /> Time of measurement = 13:20:04 <br /> Tank Temperature . . . . . . . . . . . . . . = 78. 1263 degree=_ F. <br /> Tank Pressure . . . . . . . . . . . . . . . . . _ .4893 psi . <br /> Basic Tank Volume +*x*x******** - 10170.559 Gallons. <br /> Temperature Correction ******** = 116.447 Gallons. <br /> Pressure Correction ****+**-**** = .026 Gallons . <br /> Corrected Volume ***+*+**++**** = 10287.032 Gallons . <br /> Stratified Corrected Volume *** = 10286.986 Gallons . <br /> Total Fluid Level . . . . . . . . . . . . . = 91 .00151 inches . <br /> Fluid Pressure on Tank Bottom - 2.47S8 psi <br /> Total Temperature Change . . . . . . _ .01087 degrees F. <br /> Total Level Change . . . . . . . . . . . . _ .00151 inches . <br /> Leak Rate Calculation Time. . . . . = 01 :01 :42 <br /> Geometry Band . . . . . . . . . . . . . . . . . = .0007 Gallona/Hour. _ <br /> Rate of Temperature Change. . . . . = .00564 degrees F,/Hour <br /> Volume Change . . . . . . . . . . . . . . . . . = .038 Gallons. <br /> Expected Level Change . . . . . . . . . = .00067 inches. ; <br /> Measured Level Change ********* = .00051 inches. <br /> Primary Apparent Leak ** ******* = .0091 Gallons. <br /> Primary Apparent Leak Rate **** _ .009 Gallons/Hour. <br /> Strat Volume Change ****x****** _ .0344 Gallons . <br /> Strat Expected Level Change *** = .00061 inches. <br /> - <br /> Strat Apparent, Leak. ********xx. = .0058 Gallons. <br /> Strat Apparent Leak Rate ****** = .006 Gallons/Hour. <br /> Avg Measured Level Change . . . . . _ .00053 inches . <br /> Avg Volume Change . . . . . . . . . . . . . _ .0333 Gallons. <br /> Avg Expected Level Change . . . . . = .00059 inches. <br /> Avg Apparent Leak . . . . . . . . . . . . . _ .0031 Gallons . <br /> Avg Apparent Leak Rate . . . . . . . . = .003 Gallons/Hour. <br /> Avg Strat Volume Change ******* = .0301 Gallons . <br /> Avg Strat Expected Level Change = .00053 inches. <br /> Avg Strat Apparent Leak. ***+*** = -.0001 Gallons. <br /> Avg Strat Apparent Leek. Rate ** _ -.000 Gallons/Hour. <br /> Total Elapsed Test Time . . . . . . . = 02:0032 <br /> NDE TECHNOLOGY, INC . PROPRIETARY <br /> WATT INC . 3131 FAIRHAVEN DRIVE , BAKERSFIELD, CA 93308 (805) 322-9827 <br />