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1 <br /> Mass-Volume Calculation of Dissolved MTBE: 19 Oct. 2004 to 22 Nov. 2004 <br /> ' RAINWATER CAR WASH <br /> 420 West Yosemite Avenue, Manteca CA <br /> ' Assumptions <br /> ' • A total volume of 147,750 gallons was extracted from well EW-1 between 19 October 2004 <br /> and 22 November 2004 (based on influent flow meter observations) <br /> • Data collected from the pump and treat influent were representative of general extracted <br /> ' ground water conditions <br /> One gallon of water is equivalent to 3 79 liters, so the volume of processed water is given by <br /> V=(147,750 gallons)(3 79 1/gal) = 559,973 t processed water <br /> Multiplyingthe volume of the processed water by the average of the October and November 2004 <br /> MTBE concentrations (Oct 04 = 1,500 µg/l, Nov 04 = 2,400 µg11, avg = 1,950 µg/l) yields the <br /> ' approximate mass of MTBE removed from processed water <br /> lie MMTSE= (559,973 �(0 00000195 kg/0 = 1 09 kg MTBE <br /> A converstion factor of 2 205 lb/kg can be used to convert kilograms of MTBE to pounds of MTBE <br /> MMME— 0 09 kg MTBE)(2 205 lb/kg) = 2 41 lb MTBE <br /> 1 <br /> 1 <br /> Advanced GeoEnvironmental,Inc <br />