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TABLE 3-4 <br /> INTAKE ASSUMPTIONS FOR SOIL INGESTION <br /> Intake Factor = Cs x IR x CF x Fl x EF x ED <br /> BW n AT <br /> Parameter Average Reasonable Maximum <br /> tCs = Soil Concentration (mg/kg) sod data soil data <br /> IR = Ingestion Rate (mg/day) <br /> Occupational 25 50 <br /> CF = Conversion Factor 10-6 kg/mg 10-6 kg/mg <br /> FI = Fraction ingestion from <br /> contaminated source 1 1 <br /> EF = Exposure Frequency (days/year) <br /> Occupational 250 260 <br /> ED = Exposure Duration {years) <br /> Occupational 5 25 <br /> BW = Body Weight (kg) <br /> Occupational 70 70 <br /> AT= Averaging Time (days) <br /> Noncarcmogens <br /> Occupational 1825 (5 years) 9125 (25 years) <br /> Carcinogens 25550 (70 years) 25550 (70 years) <br /> Sheet 1 of 1 <br />