Significant New Use Rule
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U.S. EPA Issues Final Guidance on PFAS SNUR
On January 19, 2021, four days after the close of the comment period, U.S. EPA issued its final guidance document to aid in implementation of its Significant New Use Rule (SNUR) for long-chain perfluoroalkyl carboxylate and perfluoroalkyl sulfonate chemical substances (PFAS). Not surprisingly, the final guidance document remained largely unchanged from the draft version. Continue reading