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Mass-Volume Calculation of Dissolved MTBE - 25 July 2003 to 29 August 2003 <br /> • FLAG CITY CHEVRON - 6421. Capitol Avenue, Lodi, CA <br /> IAssumptions <br />' • A total volume of 317,601 gallons was extracted from wells EW-4,EW-5, EW-7 and EW-8 <br /> between 25 July 2003 and 29 August 2003 (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 /> I <br /> One gallon of water weighs 8 337 lbs/gal at 60°F, so the mass of processed water is given by <br />' MWa, _ (317,601 gallons)(8 337 lbs/gal) = 2,647,840 lbs. processed water <br />' Multiplying the mass ofthe processed water by the average MTBE concentration(07-25-03=19µg/L <br /> and 08-29-03 = 18 }Lg/L, avg = 18 5 µg/L) yields the approximate mass of MTBE removed from <br /> processed water <br /> 1 MMTBF = (2,647,840 lbs)(0 0000000185) = 0.05 lbs MTBE <br />�. A converstion factor of 0 4536 kg/lb can be used to convert pounds of MTBE to grams of MTBE <br /> MMT111 = 0 05 lbs MTBE (0 4536 kg/lb) =23 g of MTBE <br /> 1 <br /> I <br /> 1 <br /> Advanced GeoEnvironmental,Inc <br />