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Mr Roland Brooks <br /> March 9 1995 <br /> Page 2 <br /> • <br /> Mass emission rate (lbs/day) is calculated as follows <br /> Ibs - gram * p mole * moles * 103mg <br /> day mole mole l06pmoles gm <br /> � II <br /> * 1 195 "tole 2 2045 * 10-'Ib 60mm * ft * 24hr <br /> CF@60°F mg hr min day <br /> or <br /> lbs _ P mole ft3 <br /> * * 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 /> - PPmav <br /> mole <br /> ft3 <br /> - 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 /> B R 0 W N A N D C A Lz �$ r <br />