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r <br /> Table 2 <br /> BTEX REMOVAL RATE <br /> VENTING WELL VW-1 <br /> r <br /> Date Time BTEX Pressure Air Flow Calculated Air BTEX <br /> Concentration (in H2O) Rate Flow Rate Removal <br /> (ppm-v) (cfm) (scfm) Rate* <br /> (lb/hr) <br /> 6/22100 1500 2963 -51 30 24 001 <br /> 1800 558 -51 30 24 0 002 <br /> i <br />' Source "Estimating air Emissions from Petroleum UST Cleanups"USEPA,June 1989 <br /> Formula used ER=(Q x C x MW x 1 581 a-7) <br />' Where ER=Removal rate(lb/hr) <br /> Q=Pumping rate(scfm) <br /> C=Soil gas concentration(ppm-v) <br /> MW=Molecular weight of contaminant(lbflb-mole) <br /> MW w 92 <br /> Table 3 <br /> rTPH REMOVAL RATE <br /> VENTING WELL VW-1 <br /> r <br /> Date Time TPH Pressure Air Flow Calculated Air TPH <br /> Concentration (in H2O) Rate Flow Rate Removal <br /> (ppm-v) Win) (scfm) Rate* <br /> (lb/hr) <br /> r 6/22/00 1500 655 -51 30 24 023 <br /> 1800 112 -51 30 24 004 <br /> r * Source "Estimating air Emissions from Petroleum UST Cleanups"USEPA,June 1989 <br /> Formula used ER=(Q x C x MW x 1 581 a-7) <br /> Where ER=Removal 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 /> Remedial Action Work Plan <br /> Prepared for THE EARTHGRAINS COMPANY Prepared by Philip Services Corp <br /> H lENV1624001451RAP61300 doe 8 8131/00 <br />