An official website of the United States government.

We've made some changes to If the information you are looking for is not here, you may be able to find it on the EPA Web Archive or the January 19, 2017 Web Snapshot.

Assessing and Managing Chemicals under TSCA

Pre-publication version of Proposed Rule on Regulation of Persistent, Bioaccumulative, and Toxic Chemicals Under TSCA Section 6(h)

Below is a prepublication version of an EPA Notice of Proposed Rulemaking (NPRM); Regulation of Persistent, Bioaccumulative and Toxic Chemicals Under TSCA Section 6(h). EPA is asking for public comment on the proposal for 60 days following publication in the Federal Register at docket EPA-HQ-OPPT-2019-0080 on

Learn more about PBT chemicals under TSCA Section 6, including a summary of the risk management actions in this proposed rule.

You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.