Toxic Substances Control Act (TSCA) of 1976 — [15 U.S.C. §2601 et seq.] Enacted by the Environmental Protection Agency (EPA) to regulate the importation, production, use in commerce, and disposal of specified chemicals with the intent to ensure the safe use of such chemicals within American workplaces and in commerce. The Act provides the EPA with the authority to require reporting, recordkeeping, and testing relating to chemical substances and/or mixtures.