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Environmental Protection Agency (EPA).
EPA is issuing significant new use rules (SNURs) under the Toxic Substances Control Act (TSCA) for certain chemical substances that were the subject of premanufacture notices (PMNs) and are also subject to an Order issued by EPA pursuant to TSCA. The SNURs require persons to notify EPA at least 90 days before commencing the manufacture (defined by statute to include import) or processing of any of these chemical substances for an activity that is designated as a significant new use in the SNUR. The required notification initiates EPA's evaluation of the conditions of that use for that chemical substance. In addition, the manufacture or processing for the significant new use may not commence until EPA has conducted a review of the required notification; made an appropriate determination regarding that notification; and taken such actions as required by that determination.
This rule is effective on August 22, 2025. For purposes of judicial review, this rule shall be promulgated at 1 p.m. (EST) on July 7, 2025.
The docket for this action, identified under docket identification (ID) number EPA-HQ-OPPT-2024-0077, is available online at https://www.regulations.gov or in person at the Office of Pollution Prevention and Toxics Docket (OPPT Docket) in the Environmental Protection Agency Docket Center (EPA/DC). Please review the visitor instructions and additional information about the docket available at https://www.epa.gov/dockets.
English (US) ·