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IS <br /> Mr Seyed Sadredin <br /> October 6 1993 <br /> Page 2 <br /> Mass emission rate (lbs/day) is calculated as tollows. <br /> lbs - gram * µmole * moles * 103mg <br /> (lay mole mole 106pmoles gm <br /> * 1 195 mole * 2 2046 * 10 51b * 60min * ft 3 * 24hr <br /> CF@ 60°F mg hr min clay <br /> or <br /> lbs _ p mole ft 3 <br /> - * * 3 83 ,r 10-4 <br /> day mole min <br /> where gram/mole = molecular weight (assumed to be 100 or C7) <br /> p mole <br /> = PPmd� <br /> mole <br /> ft <br /> = 100 <br /> min <br /> Concentlations of hydrocarbons iii 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 7429%C0RRF.SPJ428AIR SEP <br /> ��rsui«r� s <br />