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United States ∙ Revised Toxic Substances Control Act (TSCA): Unforeseen Challenges

Jeffrey Hafer


Jeffrey Hafer is a Senior Regulatory Scientist at knoell USA, LLC responsible for chemical regulatory consulting worldwide with a focus on U.S. TSCA. Before joining knoell USA he held many positions in the chemical industry most recently as the TSCA manager for the Dow Chemical Company. For correspondence: <>


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