EPA issues final SNUR for certain multiwalled carbon nanotubes


On August 18, 2021, the U.S. Environmental Protection Agency (EPA) issued several significant new use rules (SNUR) under the Toxic Substances Control Act (TSCA) for chemical substances that were the subject of premanufacture notices (PMN), including the chemical substance identified generically as multiwalled carbon nanotubes (PMN P-18-182). 86 Fed. Reg. 46133. The SNUR requires persons who intend to manufacture (defined by statute to include import) or process multiwalled carbon nanotubes (PMN P-18-182) for an activity that is designated as a significant new use to notify EPA at least 90 days before commencing that activity.

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~sNano and Other Emerging Chemical Technologies Blog, 18 August 2021