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CAPACITY 10000 g PRECISION UNDERGROUND TANK TESTING RESULTS Patent. Pending <br /> TANK # Unleaded PAGE 6 <br /> STAT # N/A TEST PROCEDURES <br /> TEST DATE ; 1.0/23/89 Copyright 1985 <br /> NDE TECHNOLOGY, INC. PROPRIETARY <br /> COMPUTERIZED PRINTOUT OF DIGITAL LEAKAGE RATE DATA <br /> lank 0mrier .................... = C.B.S. MINI MART <br /> Tank Number ................... = 194L. <br /> Measurement t 14 <br /> Oats of Test 10/25/1989 <br /> Time of measurement ........... . 03:23:52 <br /> Tank Temperature .............. = GS.S304 degrees F. <br /> Tank Pressure ................. . .1833 psi. <br /> Basic Tank Volume ......• = 10000.000 Gallons. 1 <br /> Temparature Correction •+•+••«+ - 31.191 Gallons.,; <br /> Pressure Correction ..........+ _ .010 Gallons.' <br /> Corracted.Volume +•••••••+••ww+ 10031.201 Gallons. <br /> Stratified Corrected Volume +•+ 10031.792 Galluns. <br /> Total Fluid Level ............. = 142.59111 Inches. <br /> Fluid Pressure on Tank Bottom 4.0287 psi <br /> Total Temperature Chang. ...... - .01935 degrees, F. <br /> Total Level Change ............ . .59111 Inches. <br /> Leak Rate Calculation Time..... - 01:15:55 <br /> Geometry Band ................. = 0008 Galluns/Hour. <br /> Rate of Temperature Chautje .... . .00751 dagraes F/Hour. <br /> Volume Change ................. a .054 Gallons. <br /> Expected Level Change ......... _ .78454 inches. <br /> Measured Leval Change ••+••+••• > .29025 inches. <br /> Primary Apparent Leak ......... a .0340 Gallons. <br /> Primary Apparent Lank Rate ••+• s .027 Gallons/Hour. <br /> Strat Volume Change +•••+••••++ .0472 6411ona. <br /> Strat Expected Level Change ••• .68552 inches. <br /> Strat Apparent Leak ......••••• . .0272 Gallons. <br /> Strat Apparent Leak Rate •••••• _ .022 Gallons/Hour. <br /> Avg Measured Leval Change ..... _ .33202 inches. <br /> Avg Volume Change ............. - .0605 Gallons. <br /> Avg Expected Laval Change ..... v .87802 inches. <br /> Avg Apparent Leak ............. . .0376 Gallons. <br /> Avg Apparent Leak Rate ........ _ .029 Gallons/Hour. <br /> Avg Strat Volume Change ......• m .0578 Gallons. <br /> Avg Strat Expected Level Change a .83896 inches. <br /> Avg Strat Apparent Leak ••+•••+ - .0349 Gallons. <br /> Avg Strat Apparent Leak. Rate ++ _ .027 Gallons/Hour. <br /> Total Elapsed Test Time ....... . 24:04:36 <br /> COMPUTERIZED PLOTS OF LEAKAGE RATE DATA <br /> .1 Er <br /> Ec I .yy <br /> .07 <br /> t <br /> .n Fay --�- - - --____ -•-------------- ---------------- <br /> r` .04 _ <br /> y •03 <br /> st .01 ,9 0 u <br /> CL <br /> AI <br /> L <br /> Q. <br /> 7E57�fIi1E - 11IML1'TE' <br /> -- ----.._.-- - - - - - - J <br /> NDE- TECHNOLOGY, INC . PROPRIETARY <br /> WATT INC . 31.:31. FAIRHAVEN DRIVE , BAKERSFIELD , CA 9:3:308 (805 ) :322-9827 <br />