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. APPENDIX J <br />' GROUND WATER PUMP-AND-TREAT VOLUME-MASS CALCULATIONS <br /> TOP FILLING STATION <br /> 101 South Wilson Way, Stockton CA <br />' 1) 08 March 2005 - 05 April 2005 <br />' Assumptions <br /> • A total volume of 29,042 gallons was extracted from wells EW-1 and EW-2 between 08 <br /> March 2005 and 05 April 2005 (based on effluent 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= (29,042 gallons)(3 79 1/gal) = 110,069 lP rocessed water <br />' Multiplying the volume of the processed water by the average of the March 2005 and the April 2005 <br /> TPH-g concentrations(70,000µg11)yields the approximate mass of TPH-g removed from processed <br /> water <br /> MTPH_g — <br /> — (110,069 1)(0 000070000 kg/1)=7.70 kg TPH-g <br />' A converstion factor of 2 205 lb/kg can be used to convert kilograms of TPH-g to pounds of TPH-g <br />' MTPH_g= (7 70 kg TPH-g)(2 205 lb/kg) = 16.981b TPH-g <br /> 1 <br /> I <br /> • <br /> Advanced GeoEnvironmental,Inc <br />