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' Mass-Volume Calculation of Dissolved MTBE - 29 Jul 2002 to 0 2 <br /> July 27 August 2 0 <br />' FLAG CITY CHEVRON - 6421 Capitol Avenue, Lodi, CA <br /> Assumptions <br />' • A total volume of 601,988 gallons was extracted from wells EW-4,EW-5,EW-8,EW-9 and <br /> EW-10 between 29 July and 27 August 2002 (based on effluent flow meter observations) <br />' • Data collected from the pump and treat influent water samples were representative of general <br /> extracted ground water conditions <br />' One cubic foot of water contains 7 48 gallons, conversely, one gallon of water is equivalent to <br /> 0 1337 cubic feet, so the volume of processed water is given by <br /> V= (601,988 gallons)(0 1337 W/gal) = 80,486 fe processed water <br />' One gallon of water weighs 8 337 lbs/gal at 60°F, so the mass of processed water is given by <br /> MWarr =(601,988 gallons)(8 337 lbs /gal) =5,018,774 lbs. processed water <br />' Multiplying the mass of the processed water b the avers e MTBE concentration 07-29-02=17 L <br /> Y g ( µ� <br /> and 08-27-02 =9 7 lig/L, avg = 13 4 µg/L) yields the approximate mass of MTBE removed from <br />� . processed water <br /> MMTai =(5,018,774 lbs)(0 0000000134) = 0.07 lbs MTBE <br /> A converstion factor of 0 4536 kg/lb can be used to convert pounds of MTBE to grams of MTBE <br /> MMTSE = 0 07 lbs MTBE (0 4536 kg/lb) =32 g of MTBE <br /> Advanced GeoEnvironrnentaI,Inc <br />