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r <br /> Mass-Volume Calculation of Dissolved Hydrocarbon-Impact <br />' FLAG CITY CHEVRON - 6421 Capitol Avenue, Lodi, CA <br /> Assumptions <br />' • A total volume of 42,400 gallons was extracted from EW-1 between 01 October 2000 and <br /> 30 October 2000 (based on manifest records) <br />' • Data collected from EW-1 grab groundwater sampling events were representative of general <br /> extracted ground water conditions <br /> rOne 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 water extracted from EW-1 is given by <br />' V= (42,400 gallons)(0 1337 fl/gal) = 5,669 ft' <br /> rOne gallon of water weighs 8 337 lbs/gal at 60T, so the mass of the extracted ground water is given <br /> by <br /> rMwa,er= (42,400 gallons)(8 337 lbs/gal) =353,489 lbs. <br />'• Multiplying the mass of the extracted ground water by the average MTBE concentration (58 <br /> µg/l)yields the approximate mass of MTBE removed from ground water <br /> rMMrsE= (353,489 lbs)(0 000000058) = 0.0205 lbs MTBE <br /> A converstion factor of 0 4536 kg/lb can be used to convert pounds of MTBE to kilograms of <br /> rMTBE <br /> MMTBE = 0 0205 lbs MTBE (0 4536 kg/lb) = 9.2988 g of MTBE <br /> 1 <br /> r <br /> r <br /> r <br /> r <br /> • <br /> rAdvanced GeoEnviron mental,Inc <br /> r <br />