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r <br /> Table i <br /> VAPOR ANALYTICAL SUMMARY <br /> VENTING WELL MW-1 <br /> Concentration(ppm-v) <br />' Date Time Benzene Toluene Ethylbenzene Xylenes BTEX TPH <br /> 1111/94 1015 290 1,200 210 750 2,450 14,000 <br />' <br /> 1345 90 240 30 110 470 5,300 <br />' 1552 140 450 65 240 895 7,200 <br />' ppm-v Parts per nullion by volume <br /> Table 2 <br /> BTEX REMOVAL RATE <br /> VENTING WELL MW-I <br /> BTEX Air Flow Calculated BTEX <br /> Concentration Pressure Rate Air Flow Rate Removal Rate* <br /> Date Time (Qpm-v) (in H2O) (cfln) (scfm) (lbs/hr) <br />' 11/01/94 10 15 2,450 -54 28 24 087 <br /> 11/01194 13 45 470 -54 27 23 016 <br /> 11/01/94 1552 895 -56 28 24 031 <br /> ' *Source "Estimating Air Emissions from Petroleum UST Cleanups," USEPA, June 1989 <br /> Formula used ER=(Q x C x MW x 1 581 e-7) <br /> ' Where ER=Emission Rate(lb/hr} <br /> Q=Pumping rate(scfm) <br /> C=Soil gas concentration(ppm-v) <br /> ' MW=Molecular weight of contaminant(lb/lb-mole) <br /> . MW=92 <br /> 1 <br /> 2195/E 112138211259971FRP P1LT APP <br />