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Reviewing New Chemicals under the Toxic Substances Control Act (TSCA)

Educational Primer on EPA SNUR Programs and Environment and Climate Change Canada/Health Canada SNAc Provisions

This primer provides information and example scenarios meant to serve as an easy-to-follow resource for understanding Significant New Use Rule (SNUR) and Significant New Activity (SNAc) compliance.

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U.S. Environmental Protection Agency Significant New Use Rule (SNUR) Programs and Environment and Climate Change Canada / Health Canada Significant New Activity (SNAc) Provisions (PDF)(39 pp, 4 MB, April, 2018)