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Mass-Volume Calculation of Dissolved MTBE - 19 November 2003 to 09 December 2003 <br /> FLAG CITY CHEVRON- 6421 Capitol Avenue, Lodi, CA <br /> Assumptions <br /> • A total volume of 357,599 gallons was extracted from wells EW-4,EW-5,EW-7 and EW-8 <br /> between 19 November 2003 and 09 December 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 /> Mwater= (357,599 gallons)(8 337 lbs /gal) = 2,981,303 lbs. processed water <br /> Multiplying the mass of the processed water by the average MTBE concentration(11-19-03=271tg/L <br /> and 12-09-03 = 20 µg/L, avg = 23 5 gg/L) yields the approximate mass of MTBE removed from <br /> processed water <br /> MMTBE= (357,599 lbs)(0 0000000235) = 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 /> MMTaE= 0 07 lbs MTBE (0 4536 kg/ib) =32 g of MTBE <br /> Advanced GeoEnvironinental,Inc. <br />