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Mr Oh Othman <br /> March 1, 1993 <br /> Page 2 <br /> i <br /> Mass emission rate (lbs/day) is calculated as follows <br /> lbs = gram umole moles * 103mg <br /> day mole mole 10'pmoles gm <br /> * 1 195 mole 2 2046 * 10`lb * 60mm ft 3 * 24hr <br /> CF@60°F mg hr min day <br /> or 3 <br /> lbs = } mole ,ft * 3 83 x 10' <br /> day mole mnn <br /> where gramAnnole - molecular weight (assumed to be 100 or C7) <br /> K mole <br /> mole = PPma" <br /> ft3 <br /> = 100 <br /> mut <br /> Concentrations of hydrocarbons in the extracted soil vent gas and catalytic oxidizer outlet <br /> were determined by collecting a tedlar gas bag sample and analyzing the sample (see attached <br /> results). <br /> Brown and Caldweil <br /> Consuitanis 74� <br />