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r <br /> i� <br /> Mr Roland Brooks <br /> October 7, 1994 <br /> Page 2 <br /> Mass emission rate (lbs/day) is calculated as follows <br /> lbs - gram * u mole * moles * 103mg <br /> day mole mole 1069 moles 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 - pmole * ,h * 3 83 x 10-4 <br /> day mole mint <br /> where gram/mole a molecular weight (assumed to be 100 or C7) <br /> p mole _ PPmd� <br /> mole - <br /> ft3 = 100 <br /> min <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 /> 131 B MRRESPZEP94.RFr <br />