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CAPACITY 10000 g PRECISION UNDERGROUND 'TANK TESTING RE?SULTS Patent. Pending <br />TANK # Regular PAGE 6 <br />STAT # 76 TEST PROCEDURES <br />TEST DATE:: 07/27/89 Copyright 1985 <br />NDE 'TECHNOLO(,Y, INC. PROPRIETARY <br />COMPUTERIZED PRTNTOTIT OF DIGITAI, LEAKAGE, RATE DATA <br />Tank Owner = QUIK STOP #76 <br />Tank Number ................... = REG. <br />Measurement # 22 <br />Oat e of Test 07/27/1989 <br />Time of measurement ........... = 10:47:18 <br />Tank Temperature .............. = 84.3607 degrees F. <br />Tank. Pressure ................. _ .2984 psi. <br />Basic Tank Volume ***+***#•**•* = 10000.501 Gallons. <br />Temperature Correction ******** - 128.874 Gallons. <br />Pressure Correction *+****.**** _ .016 Gallons. <br />Corrected Volume •****+•***+*+* = 10129.391 Gallons. <br />Stratified Corrected Volume *** = 10131.650 Gallons. <br />Total Fluid Level ............. = 143.88694 inches. <br />FluidPressure on Tank Bottom - 4.1433 psi <br />Total Temperature Change ...... _ -.00973 degrees F. <br />Total Level Change ............ _ 1.88694 inches. <br />Leak Rate Calculation Time..... = 01:02:49 <br />Geometry Band ................. _ .0016 Gallons/Hour. <br />Rate of Temperature Change .... _ .01520 degrees F/Hour. <br />Volume Change ................. _ .084 Gallons. <br />Expected Level Change ......... _ .66015 inches. <br />Measured Level Change **•*•**** _ .17289 inches. <br />Primary Apparent Leak *•***•■** _ .0624 Gallons. <br />Primary Apparent Leak Rate +*** _ .060 Gallons/Hour. <br />Strat Volume Change ****e..*.** _ .1729 Gallons. <br />Strat Expected Level Change +*+ _ 1.35113 inches. <br />Strat Apparent Leak ***e*..**.. _ .1S08 Gallons. <br />Strat Apparent Leak Rate ****+* _ .144 Gallons/Hour. <br />Avg Measured Level Change ..... _ .64464 inches. <br />Avg Volume Change ............. _ .0722 Gallons. <br />Avg Expected Level Change ..... = 56450 inches. <br />Avg Apparent Leak ............. _ -.0103 Gallons. <br />Avg Apparent Leak Rate ........ _ -.010 Gallons/Hour. <br />Avg Strat Volume Change ***•*** _ .1341 Gallons. <br />Avg Strat Expected Level Change - 1.04775 inches. <br />Avg Strat Apparent Leak ******* = 0616 Gallons. <br />Avg Strat Apparent Leak Rate *+ _ .049 Gallons/Hour. <br />Total Elapsed Test Time ....... = 02:04:36 <br />COMPU`i'ERIZEI) PLOTS OF LEAKAGE RATE DATA <br />Pa$ <br />.l <br />A. <br />C14 *f21 <br />I <br />roc on <br />-.I <br />ai <br />tY <br />y <br />�o <br />-.3 <br />-.4 <br />-.5 <br />fes% <br />L <br />pN <br />U.6 <br />- MINUTES <br />NDE. TECHNOLOGY, INC. PROPRIETARY <br />WATT INC. 3131 FAIRHAVEN DRIVE, BAKERSFIEI.I), CA 933O8 (805) 322--9827 <br />