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• Mass-Volume Calculation of Dissolved MTBE - 06 November 2003 to 19 November 2003 <br /> FLAG CITY CHEVRON- 6421 Capitol Avenue, Lodi, CA <br /> Assumptions <br /> • A total volume of 231,641 gallons was extracted from wells EW-4,EW-5,EW-7 and EW-8 <br /> between 06 November 2003 and 19 November 2003 (based on effluent flow meter <br /> observations) <br /> • Data collected from the pump and treat influent water samples were representative of general <br /> extracted ground water conditions <br /> One gallon of water weighs 8 337 lbs/gal at 60°F, so the mass of processed water is given by <br /> Mwalr= (231,641 gallons)(8 337 lbs/gal) = 1,931,191 lbs. processed water <br /> Multiplying the mass ofthe processed water by the average MTBE concentration(11-06-03=31µg/L <br /> and 11-19-03 = 27 µg/L, avg = 29 gg/L) yields the approximate mass of MTBE removed from <br /> processed water <br /> M,,,lrgr= (1,931,191 lbs)(0 000000029) = 0.06 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 06 lbs MTBE (0 4536 kg/lb) = 27 g of MTBE <br /> Advanced GeoEnvoronmental,Inc <br />