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Table 3 <br /> I TPH REMOVAL RATE <br /> t VENTING WELL MW-1 <br /> TPH Calculated TPH <br /> Concentration Pressure Air Flow Rate Air Flow Rate Removal Rate' <br /> Date Time (ppm-v) (in.H2O) (cfrn) (scfrn) (lbs/hr.) <br /> 11/01/94 10:15 14,000 -54 28 24 5.38 <br /> r <br /> 11/01/94 13:45 5,300 -54 27 23 1.96 <br /> 11/01/94 15:52 7,200 -56 28 24 2.75 <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 /> I 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 /> Table 4 <br /> GROUNDWATER SAMPLE ANALYTICAL SUMMARY <br /> Concentration <br /> 1 Concentration(µg/1..) (cfulml) <br /> Total <br /> I Benzene Toluene Ethylbenzene Xylenes BTEX TPH Heterotrophic <br /> Bacteria <br /> MW-01 10/27/94 2,800 6,600 1,600 11,000 22,000 37,000 15,000 <br /> 11/15/94 3,700 5,600 1,400 9,900 20,600 36,000 4,8000' <br /> PZ-01 10/27/94 4,200 2,500 1,300 4,800 12,800 21,900 110,000 <br /> 11/15/94 1,800 1,400 350 3,100 6,650 12,000 300,000 <br /> PZ-02 10/27/94 5,300 3,300 1,400 5,700 15,700 31,000 30,000 <br /> 11/15/94 4,000 3,000 600 4,800 12,400 25,000 110,000 <br /> 2/95/E:\121382\12599 AFPP_PILT.APP <br />