Answer:
Risk(tetrachloroethylene) = 7.236 x 10^-5
Risk(arsenic) = 2.145 x 10^-3
Risk(Dichloromethane) = 3.276 x 10^-6
Step-by-step 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