Characterize the risk for a chronic daily exposure by the water pathway (oral) of 1.34 x 10-4 mg/kg/day of tetrachloroethylene, 1.43 x 10-3 mg/kg/day of arsenic, and 2.34 x 10-4 mg/kg/day of dichloromethane (methylene chloride).

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Engineering

Jessica Cruz

1 January, 15:21

Characterize the risk for a chronic daily exposure by the water pathway (oral) of 1.34 x 10-4 mg/kg/day of tetrachloroethylene, 1.43 x 10-3 mg/kg/day of arsenic, and 2.34 x 10-4 mg/kg/day of dichloromethane (methylene chloride).

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Perla Mcbride · Answer 1

Risk (tetrachloroethylene) = 7.236 x 10^-5

Risk (arsenic) = 2.145 x 10^-3

Risk (Dichloromethane) = 3.276 x 10^-6

Explanation:

Rick factor (oral) is cancer potency

Risk = slope factor x exposure

Risk (tetrechloroethylene) = 0.54 x 1.34 x 10^-4

Risk (arsenic) = 1.5 x 1.43 x 10^-3

Risk (Dichloromethane) = 0.014 x 2.34 x 10^-4