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IMass-Volume Calculation of Dissolved MTBE - 05 September 2002 to 21 November 2002 <br /> FLAG CITY CHEVRON - 6421 Capitol Avenue, Lodi, CA <br /> IAssumptions <br /> • A total volume of 895,905 gallons was extracted from wells EW-4,EW-5,EW-6,EW-9 and <br /> EW-10 between 05 September and 11 November 2002 (based on effluent flow meter <br /> observations) , <br /> I • Data collected from the pump and treat influent grab ground water samples were <br /> representative of general extracted ground water conditions <br /> I <br /> IOne gallon of water weighs 8 337 lbs/gal at 60'F, so the mass of processed water is given by <br /> MWa,,r= (895,905 gallons)(8 337 lbs /gal) = 7,469,160 lbs. processed water <br /> IMultiplying the mass of the processed water by the average MTBE concentration (09-05-02= <br /> 9 1�Lg/L and 11-21-02 = 13 }ig/L, avg = 11 }tg/L)yields the approximate mass of MTBE removed <br /> Ifrom processed water <br /> MTBE _ (7,469,160 lbs)(0,000000011) = 0.08 lbs MTBE <br /> I • A converstion factor of 0 4536 kg/lb can be used to convert pounds of MTBE to kilograms of <br /> MTBE <br /> IMMTBE = 0 10 lbs MTBE (0 4536 kg/lb) =37 g of MTBE <br /> I <br /> I <br /> I <br /> I <br /> i <br /> I <br /> • <br /> IAdvanced GeoEnvironmental,Inc <br /> I r <br />