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CAPACITY 10000 g PRECISION UNDERGROUND TANK TESTING RESULTS Patent Pending <br /> TANK # Regular PAGE 2 <br /> STAT # N/A SHORT REPORT FORM <br /> TEST DATE : 10/23/89 Copyright 1985 <br /> NDE TECHNOLOGY, INC . PROPRIETARY <br /> COMPUTERIZED PRINTOUT OF DIGITAL LEAKAGE RATE DATA <br /> Tank Owner .................... - C.B.S. MINI MART <br /> Tank Number ........ . REG. <br /> Measuremant S I5 <br /> Date of Tast 10/24!1989 <br /> Time of measurement ........... = 01:22:52 <br /> Tank Tempar .............. = 63.4003 degrees F. <br /> Tank Pressure ................. .2636 psi. <br /> Basic Tank Volume *•+•+•*+•*•+• 10000.000 Gallons. <br /> Temperature Correction —...... 19.177 Gallons. <br /> Pressure Correction +•••*+••••. _ .014 Gallons. <br /> Corrected Volume + ••••*++***** 10019.191 Gallons. <br /> 5tratified Corrected Volume •*• = 10019.874 Gallons. <br /> Total Fluid Level ............. = 142.99463 inches. <br /> Fluid Prassure on Tank Bottom = 4.0401 psi <br /> Total Temperature Change ...... _ .02175 degrees F. <br /> Total Level Change ............ _ .99463 inches. <br /> LeakRate Calculation Time..... = 01:00:32 <br /> Geometry Band ................. _ .6011 Gallons./Hour. <br /> Rate of Temperature Change .... _ .00961 degrees F/Hour. <br /> Volume Change ................. = .055 (&harts. <br /> Expected Level Change ......... _ .60424 inches. <br /> Measured Level Change +••+•**•* 44245 inches. <br /> Primary Apparent Leal: *+++••+*• _ .0249 6allons. <br /> Primary Apparent Leak Rate *++* m .025 Gallans/Hour. <br /> Strat Volume Change **••**•***• _ .0520 Gallons. <br /> Strat Expected Level Change ++* _ 75474 inches. <br /> Strat Apparent Leal: •r.++*•.... a .0215 Gallons. <br /> Strat Apparent Leak Rate •••++* . .021 Gallons/Hour. <br /> Avg Measured Level Change ..... . .43183 inches. <br /> Avg Volume Change ............. . .0478 6allons. <br /> Avg Expected Level Change ..... a .69424 inches. <br /> Avg Apparent Leal:. ............. . .0181 Gallons. <br /> Avg Apparent Leak Rate ........ a .018 Gallons/Hour. <br /> Avg Strst Volume Change ***+*** - .0409 Gallons. <br /> Avg Strat Expected Level Change a .59413 inches. <br /> Avg Strat Apparent Leak +*+**+• _ .0112 6allons. <br /> Avg Strat Apparent Lank Rate +* .011 6allons/Hour. <br /> Total Elapsed Teat Time ....... = 02:07:35 <br /> COMPUTERIZED PLOTS OF LEAKAGE RATE DATA <br /> I <br /> .cl3 I <br /> .1s I <br /> .06 <br /> rY. .1:1^•. _u_-_"'ter- _ <br /> .02 —...— <br /> d1 .al <br /> 0 S) N., rsi f•1 <br /> � __kL.1341---+—�--f---r----+--•�F--t--t--+-u4---t--+---+='i•------i—t-__a_._.F._�..__t=,__--tom <br /> m <br /> -.�1. <br /> ii <br /> m <br /> r -.134 <br /> -- ----'-- iUiT_TiME -•MINIJT > - __ ___--------.____ _._^�-.-------.----•----J <br /> NDE TECHNOLOGY, INC . PROPRIETARY <br /> WATT INC . 31.31. FAIRHAVEN DRIVE , BAKERSFIELD , CA 93308 (805) :322-9827 <br />