Risk management strategy for perfluorooctane sulfonate and its salts and precursors: chapter 7

7.1 Environmental Objective

The ecological screening assessment concluded that PFOS, its salts and its precursors are entering into the environment in a quantity or concentration or under conditions that have or may have an immediate or long-term harmful effect on the environment or its biological diversity. Furthermore, the ecological screening assessment concluded that PFOS and its salts are persistent in all media and a potential risk may occur through bioaccumulation and biomagnification of PFOS in wildlife. Based on these conclusions, the ultimate environmental objective is to reduce the concentrations of PFOS in the Canadian environment to the lowest level possible.

7.2 Risk Management Objective

The proposed risk management objective is to achieve the lowest level of release to the environment that is technically and economically feasible from all emission sources of PFOS, its salts and its precursors.

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