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EXAMPLE CALCULATION FOR MASS REMOVAL <br /> * 40 ftp 75 pounds x 1 pound-mole x 1440 mins x 7 days <br /> 167 ppm VOCs x m n x pound-mole 386 ft3 day week <br /> 13 pounds of VOCs removed per the one week operational period. <br /> i <br /> " average ppm level for the one week period (11124/94 through 11130194) — from graph <br /> NOTE- A similar calculation was performed for each one week operational period The sum of VOC mass treated during each <br /> operational period equals the total mass treated by SVES operation (estimated at 195 pounds). <br /> 1 <br />