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1:31`111rmw .1 <br /> 4. lbs. per day for excavation project <br /> o Minimum extent - 68.51 lbs/(3 +says) = 22.84 lbs/day. <br /> o Maximum extent 322.57 lbs/(8 days) = 40.32 lbs/day. <br /> Xylene. <br /> 1. Average Concentration <br /> 0 Minimum extent - (220ppm + 340ppm + 0.83ppm + 260ppm + <br /> 2100ppm + 300ppm + 1ppm)/(7ea) = 460.26ppm. <br /> 0 Maximum extent - (220ppm + 340ppm + 0.83ppm + 260ppm + <br /> 2100ppm + 300ppm + .057ppm + 8(lppm) ]/(15ea) _ <br /> „. 215.26ppm. <br /> 2. volume of excavation <br /> As calculated for Benzene <br /> 3. lbs. . of Xylene emitted from site (volatilization percentage <br /> " = 54%) <br /> ` a Minimum extent - 910,000 lbs x .00046026 x .54 <br /> ,.., 226.17 lbs. <br /> o Maximum extent - 9,100,000 lbs r_ .00021526 x .54 <br /> i{ 1057.79lbs. <br /> 4. lbs. per day for excavation project <br /> o Minimum extent - 226.17 lbs/(3' days) = 75.39 lbs/day. <br /> k <br /> o Maximum extent = 1057.79 lbs/(8 days) = 132.22 lbs/day. <br /> f <br /> Total lbs. per day (BTX&E Compounds) <br /> o Minimum extent - 6.61 lbs/day + 64.7 lbs/day + 22.84 <br /> lbs/day 4. 75.39 lbs/day = 169.54 lbs/day. <br /> Maximum extent - 11.94 lbs/day + 113.57 lbs/day F 40.32 <br /> lbs/day + 132.22 lbs/day 298.05 lbs/day. <br /> I , <br />