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1 <br />' APPENDIX I <br /> GROUND WATER PUMP-AND-TREAT VOLUME-MASS CALCULATIONS <br />' TOP FILLING STATION <br /> 101 South Wilson Way, Stockton CA <br /> 1} 03 June 2005 - 15 July 2005 <br /> I <br /> Assumptions <br />' A total volume of 114 111all n <br /> g o s was extracted from wells EW-1 and EW-2 between <br />' 03 June 2005 and 15 July 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 (1), so the volume of processed water is given by <br />' V= (114,111 gallons)(3 791/gal) =432,4811 processed water <br />' Multiplying the volume of the processed water by the average of the June 2005 and the July 2005 <br /> TPH-g concentrations(29,000µg/1)yields the approximate mass of TPH-g removed from processed <br /> water <br /> MTPH_8 = (432,481 1}(0 000029000 kg/l) = 12.54 kg TPH-g <br />' A conversion factor of 2 205 lb/kg can be used to convert kilograms of TPH-g to pounds of TPH-g <br /> MTPH_g =(12 54 kg TPH-g)(2 205 lb/kg) =27.65 lb TPH-g <br /> 1 I <br /> 1 <br /> Advanced GeoEnvironmental,Inc <br /> I <br />