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Mr Oh Othman • <br /> September 22, 1992 • <br /> Page 2 <br /> Mass emission rate (lbs/day) is calculated as follows <br /> lbs = gram x p mole * moles 103mg <br /> day male mole 106p moles * gm <br /> 6 <br /> * 1 195 mole 2 2046 * 10Ib * 60mm * ft 3 24hr <br /> CF@60°F mg hr min day <br /> or <br /> Ibs __ p mole ft 3 <br /> * * 3 83 x 10-4 <br /> day mole min <br /> • <br /> where gram/mole = molecular weight (assumed to be 100 or C7) <br /> pmole _ <br /> mole ppmdv <br /> ft 3 <br /> = 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 /> Brown and Caldwell 538aCORRESA5380.03 L-3 <br /> Consultants <br />