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1. Consider a lake containing 39 ppb (parts per billion) of parathion, which has a log Kow = 3.8.

a. If a sample of lake water was mixed with octanol, what is the expected concentration of parathion in the octanol?

b. Assuming the body weight of a fish is 4% fat, what is the equilibrium concentration of parathion in the fish swimming in this lake?

 

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