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Mass-Volume Calculation of Dissolved MTBE - 29 August 2003 to 15 September 2003 <br /> FLAG CITY CHEVRON- 6421 Capitol Avenue, Lodi, CA <br /> Assumptions <br /> • A total volume of 171,423 gallons was extracted from wells EW-4, EW-5,EW--7 and EW-8 <br /> between 29 August 2003 and 15 September 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 /> MWa1e,= (171,423 gallons)(8 337 lbs/gal)= 1,429,154 lbs. processed water <br /> I <br /> IMultiplying the mass of the processed water by the average MTBE concentration(08-29-03=1 S pg/L <br /> and 09-15-03 = 18 µg/L, avg = 18 gg/L) yields the approximate mass of MTBE removed from <br />' processed water <br /> MMME = (1,429,154 lbs)(0 000000018) = 0.03 lbs MTBE <br /> • A converstion factor of 0 4536 kg/lb can be used to convert pounds of MTBE to grams of MTBE <br /> Mn T13E = 0 03 lbs MTBE (0 4536 kg/lb) = 12 g of MTBE <br /> I <br /> Advanced GeoEnvironmental,Inc <br />