EPA is amending the deadline for reporting pursuant to the Toxic Substances Control Act (TSCA) Health and Safety Data Reporting rule, which requires manufacturers (including importers) of 16 specified chemical substances to report certain lists and copies of unpublished health and safety studies to EPA. Specifically, EPA is amending the deadline from March 13, 2025, to June 11, 2025, for one of the 16 chemical substances (vinyl chloride) and to September 9, 2025, for the remaining 15 chemical substances. Read more on the proposed rulemaking and make a public comment in the Federal Register.