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APPENDIX C <br /> DISSOLVED TPH-g MASS-VOLUME ASSUMPTIONS AND CALCULATIONS <br /> PAGE 4OF4 <br /> A conversion factor of 2.205 Ib/kg. can be used to convert kilograms of TPH-g to pounds of TPH-g: <br /> MTPHy = (0.15 kg TPH-g)(2.205 Ib/kg) = 0.34 lbs. TPH-g <br /> Dividing M,00 by the weight of one gallon of TPH-g, 6.25 lbs/gallon, will yield the approximate <br /> volume of TPH-g dissolved into the groundwater of the middle contour interval: <br /> V100 = (M,00)/6.25lb/gal) = 0.34 lbs./6.25 lbs/gal = 0.05 gallons of dissolved TPH-g <br /> Combining the total volume of dissolved TPH-g yields an estimated 10.24 pounds of TPH-g, <br /> equivalent to 1.63 gallons of TPH-g. <br />