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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) 07 September 2005 - 10 October 2005 <br />' Assumptions <br /> • A total volume of 61,691 gallons was extracted from wells EW-1,EW-2,VW-IC,VW-2A <br />' and VW-3A between 07 September and 10 October 2005 (based on effluent flow meter <br /> 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 (0, so the volume of processed water is given by <br /> V= (61,691 gallons)(3 791/gal)= 233,809 l processed water <br />' Multiplying the volume of the processed water by the average of the September 2005 and the <br /> P <br /> October 2005 TPH-g concentrations(21,500 µg/1)yields the approximate mass of TPH-g removed <br /> . from processed water <br /> MTPH_g= (233,809 0(0 000021500 kg/0 =5.03 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= (5 03 kg TPH-g)(2 205 lb/kg)= 11.091bs. TPH-g <br /> I <br /> I <br /> Advanced GeoEnvironmental,Inc <br /> I <br />