Chemicals under the Toxic Substances Control Act (TSCA)

Under the Toxic Substances Control Act (TSCA), as amended by the Frank R. Lautenberg Chemical Safety for the 21st Century Act, EPA evaluates potential risks from new and existing chemicals and acts to address any unreasonable risks chemicals may have on human health and the environment. Use this site to get information on how recent EPA actions, view our major milestones in implementing amended TSCA, and find other TSCA-related resources.