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' Mass-Volume Calcu-'atlon of Dissolved MTBE - Fourth Quarter 2001 <br /> • IFLAG CITY CHEVRON- 6421 Capitol Avenue, Lodi, SCA <br />' Assumptions <br />' e A total volume of 2,043,809 gallons was extracted from wells EW-2, EW-4, EW-5, EW-6, <br /> EW--, EW-8, EW-9 and EW-10 between 01 October 2001 and 03 January 2002 (based on <br /> effluent flow meter observations between 01 October 2001 and 03 January 2002) <br />' • Data collected from the pump and treat influent and extraction well-head grab ground water <br /> samples were representative of general extracted ground water conditions <br />' One cubic foot of water contains 7 48 gallons conversely,rely, one gallon of water is equivalent to <br />' 0 1337 cubic feet, sc the volume of processed water is given by <br /> V= (2,043,809 gallons)(0 1.337 fl/gal) =273,257 W processed water <br />' One gal'.of water wQighs 8 337 lbs/gal at 60°F, so the mass of processed water is given by <br />' MW",,= (2,043,809 gallors)(8 3371bs /gal) = 17,039,235 lbs. processed water <br /> Muitiplying the mass of the processed water by the average MTBE concentraLon (10-15-01= <br /> • 231)g/L, 11-07-01= 20 ,ug/L, 12-12-01= 20gg/L, avg = 21 /cg/L) gelds the approximate mass of <br /> MTBE removed frjm processed water <br /> N%Tss = (17,039,235 lbs)(0 000000021) = 0.36 lbs MTBE <br /> A converstzon factor of 0 A536 kg/ib ca-- be used to convert pounds of MTBE to kilograms of <br />' MTBE <br /> MMT]m = 0 36 lbs MTBE (0 4536 kg/lb) — 162 g of MTBE <br /> • <br /> Advanced CeoEnvironmental,Inc- <br /> 1 <br />