Laserfiche WebLink
tMass-Volume Calculation of Dissolved Hydrocarbons <br /> Chapin Brothers investments, Inc <br /> ' 1766 Monte Diablo Avenue, Stockton, California <br /> ' Assumptions <br /> * A total volume of 461,765 gallons was extracted from between 27 December 2002 and 15 <br /> April 2003 based on effluent flow meter observations <br /> Data collected from the influent pump and treat grab water samples were representative of <br /> general extracted ground water conditions <br /> ' One gallon contains 3 785 liter so the volume of processed water expressed as liters 1s <br /> ' V= (461,765 gallons)(3 785 1/gal) = 1,747,780 liter processed water <br /> Multiplying the volume of the processed water by the cumulative average benzene <br /> ' concentration yields the approximate mass of benzene removed from processed water <br /> [120 µg/1+ (48+210+340+100µg/1)/4 + (35+150+1,200+61 gg/l)/4 + (15+58+840+2611g/1)/4]/4 <br /> ( 1,747,780 liter)(222 7 µg11 benzene) = 3.89 x 10$µg Benzene <br /> Meeene as grams 389 g Benzene <br /> ' MBe,,zene as kilograms 0.39 kg Benzene <br /> A conversion factor of 2 205 lb/kg can be used to convert Benzene to pounds <br /> MB.,1 = 0 39 kg Benzene (2 205 lb/kg) =0 858 lbs of Benzene <br /> ' Multiplying the volume of the processed water by the cumulative average TPH-g <br /> concentration yields the approximate mass of TPH-g removed from processed water <br /> ' [3,500 µg/l+(7,700+6,100+11,000+13,000µg/1)/4+ <br /> (9,600+4,900+14,000+10,000 µg/1)/4+(2,900+2,200+11,000+9,400µ.g/l)/4]/4 <br /> MTPH_g={ 1,747,780 lzter)(7,237 5 µ.g/1 TPH-g)= 1.26 x 1010 µg TPH-g <br /> MTPH_g as grams 12,649.5 g TPH-g <br /> ' MTPH g as kilograms 12.6 kg TPH-g <br /> A conversion factor of 2 205 lb/kg can be used to convert TPH-g to pounds <br /> MTPH_g= 12 6 kg TPH-g (2 205 lb/kg) =27.78 lbs of TPH-g <br /> ' 0.858 lbs of Benzene and 27.78 lbs of TPH-g is estimated to have been extracted by the ground <br /> water treatment system between 27 December 2002 and 15 Apnl 2003 A cumulative total of <br /> ' 5.15 lbs of Benzene and 123.68 lbs of TPII-g is estimated to have been extracted since ground - <br /> water treatment began on 02 April 2002 <br /> ' Advanced GeoEnvzronmental,Inc <br /> 1 <br />