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Mass-Volume Calculation of Dissolved MTBE - 27 January to 24 February 2003 <br /> FLAG CITY CHEVRON - 6421 Capitol Avenue, Lodi, CA <br /> IAssumptions <br /> I • A total volume of 798,190 gallons was extracted from wells EW-4,EW-8,EW-9 and EW-10 <br /> between 27 January and 24 February 2003 (based on effluent flow meter observations) <br /> I <br /> I • 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 />' M".,e!= (798,190 gallons)(8 337 lbs /gal) = 6,654,510 lbs. processed water <br />' Multiplying the mass of the processed water by the average MTBE concentration(01-27-03=21 pg/L <br /> and 02-24-03 = 41 µg/L, avg = 31 µg/L) yields the approximate mass of MTBE removed from <br /> processed water <br /> 1 MMn3E= (6,654,5101bs)(0 000000031) = 0.21 lbs MTBE <br /> A converstlon factor of 0 4536 kg/lb can be used to convert pounds of MTBE to grams of MTBE <br /> MSE = 0 21 lbs MTBE (0 4536 kg/lb) =95 g of MTBE <br /> I <br /> 1 <br /> I <br /> I <br /> I <br /> Advanced GeoEnvironmental,Inc <br /> 1 <br />