Significant New Use Rules on Certain Chemical Substances (26-2); Extension of Comment Period
The comment period closed Jul 10, 2026.
EPA issued significant new use rules (SNURs) under the Toxic Substances Control Act (TSCA) on April 24, 2026, for chemical substances subject to an Order issued 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 s
Summary from the Federal Register.
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- May 21, 2026
Rule published
Significant New Use Rules on Certain Chemical Substances (26-2); Extension of Comment Period
Environmental Protection Agency
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