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CAPACITY 6,000 g PRECISION UNDERGROUND TANK TESTING RESULTS Patent Pending <br />TANK * South <br />PAGE <br />6 <br />STAT # N/A <br />TEST PROCEDURES <br />TEST DATE: 10/27/1988 <br />Copyright <br />1985 <br />NDE <br />TECHNOLOGY, INC. PROPRIETARY <br />COMPUTERIZED <br />PRINTOUT OF DIGITAL <br />LEAKAGE <br />RATE DATA <br />Tank. Owner .................... <br />WESLEY FUEL <br />SERVICE <br />Tank:. Number .................. - <br />SOUTH <br />Measurement # 10 <br />Date of Test .................. <br />10/27/1988 <br />Time of measurement ........... = <br />12:24:38 <br />Tank Temperature .............. <br />74.0446 <br />degrees F. <br />Tank Pressure ................. _ <br />.2795 <br />psi. <br />Basic Tank. Volume ************* = <br />6001.435 <br />Gallons. <br />Temperature Correction ******** <br />9.693 <br />Gallons. <br />Pressure Correction *****+***** _ <br />.005 <br />Gallons. <br />Corrected Volume «*******•++.** = <br />6011.133 <br />Gallons. <br />Total Temperature Change ...... _ <br />.0044 <br />degrees F. <br />Leak Rate Calculation Time .... = <br />01:01:50 <br />Geometry Band ................. = <br />0.000 <br />Gallons/Hour. <br />Rate of Temperature Change .... _ <br />.0043 <br />degrees F/Hour. <br />Total Fluid Level ............. = <br />142.1472 <br />inches. <br />Volume Change ................. _ <br />.003 <br />Gallons. <br />Expected Level Change ......... _ <br />.0219 <br />inches. <br />_ <br />Measured Level Change ********* _ <br />.1472 <br />inches. <br />Primary Apparent Leak ********* _ <br />-.0180 <br />Gallons. <br />Primary Apparent Leak Rate **** _ <br />-.017 <br />Gailon5/Hour. <br />Strat Expected Level Change *** _ <br />.0229 <br />inches. <br />Strat Apparent Leak ********+** _ <br />-.0178 <br />Gallons. <br />Strat Apparent Leak Rate ****** _ <br />-.017 <br />Gallons/Hour. <br />Avg Measured Level Change ..... _ <br />-.0565 <br />inches. <br />Avg Volume Change ............. = <br />.003 <br />Gallons. <br />Avg Expected Level Change ..... _ <br />.0200 <br />inches. <br />Avg Apparent Leak ............. _ <br />.011 <br />Gallons. <br />Avg Apparent Leak Rate ........ = <br />.026 <br />Gallons/Hour. <br />Avg Strat Volume Change ******* _ <br />.004 <br />Gallons. <br />Avg Strat Expected Level Change = <br />.0247 <br />inches. <br />Avg Strat Apparent Leak ******* _ <br />.012 <br />Gallons. <br />Avg Strat Apparent Leak Rate ** = <br />.027 <br />Gallons/Hour. <br />Total Elapsed Test Time ....... = <br />01:01:50 <br />COMPUTERIZED PLOTS OF LEAKAGE RATE DATA <br />.ib <br />� .09 <br />_ .6$ <br />.07 <br />i .06 <br />a <br />Pass <br />s ,c4 <br />4 <br />.0's <br />v .02 <br />-j .01 <br />C F1 <br />- .02 <br />CL <br />a: <br />L -.04 <br />L <br />Pass <br />L -.06 <br />a 7 <br />'TEST TIME -MINUTES <br />NDE TECHNOLOGY, INC. PROPRIETARY <br />WATT INC. 3131 FAIRHAVEN DRIVE, BAKERSFIELD, CA 93308 (805) 322-9827 <br />