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1 F <br /> Mr Roland Brooks <br /> June 27, 1994 <br /> Page 2 <br /> Mass emission rate (lbs/day) is calculated as follows <br /> lbs - gram * pmole * moles 103mg <br /> day mole mole 106umoles gm <br /> 1 195 mole * 2 2046 * 10`41b * 60mui * ft3 * 24hr <br /> CFQa 60°F mg hr min day <br /> or <br /> lbs - pmole * ft3 * 3 83 x 10-4 <br /> day mole min <br /> where gram/mole = molecular weight (assumed to be 100 or C7) <br /> • p mole <br /> ^ PPmd� <br /> moleft <br /> 3 = 100 <br /> MIn <br /> Concentrations of hydrocarbons to 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 S\CORRESPWNE941kK <br />