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i <br /> Mass-Volume Calculation of Dissolved MTBE - 08 March to 09 April 2001 <br /> FLAG CITY CHEVRON - 6421 Capitol Avenue,Lodi, CA <br /> Assumptions _ <br />' • A total volume of 836,907 gallons was extracted from wells EW-2, EW-4, EW-5, EW-6, <br /> EW-7, EW-8, EW-9 and EW-10 between 08 March 2001 and 09 April 2001 (based on <br /> Ieffluent flow meter observations between 08 March and 09 April 2001) <br /> • Data collected from the pump and treat influent and extraction well-head grab ground water <br />' samples were representative of general extracted ground water conditions <br /> One cubic foot of water contains 7 48 gallons, conversely, one gallon of water is equivalent to <br />' 0 1337 cubic feet, so the volume of processed water is given by <br /> V= (836,907 gallons)(0 1337 ft /gal) = 111,895 fe processed water <br />' One gallon of water weighs 8 337 lbs/gal at 60°F so the mass of processed water is given b <br /> g � g � p � y <br />' M,,,.,,r= (836,907 gallons)(8 337 lbs/gal) =6,977,294 lbs. processed water <br /> Multiplying the mass of the processed water by the average MTBE concentration (03-08-01= <br /> 101µg/L and 04-09-01 = 100 ,ug/L, avg = 100 5 ,ug/L) yields the approximate mass of MTBE <br /> removed from processed water <br /> MmT]3F _ (6,977,294 lbs)(0 0000001005) = 0.70 lbs MTBE <br />' A converstion factor of 0 4536 kg/lb. can be used to convert pounds of MTBE to kilograms of <br /> MTBE <br />' MmrBE=0 70 lbs MTBE (0 4536 kg/lb)= 318 g of MTBE <br /> 1 <br /> 1 <br /> 1 <br /> • <br />' Advanced GeoEnwronmenW,Inc. <br />