Regulation ChangeProposedProposed Regulation
EPA proposes TSCA SNURs Batch 26-1 for chemical substances
Toxic Substances Control Act (TSCA) Section 5 — Significant New Use Rules (40 CFR Part 721)U.S. Environmental Protection Agency (EPA)US
Announced
Jun 10, 2026
Description
The EPA has proposed Significant New Use Rules (SNURs) under TSCA Section 5 for chemical substances that were the subject of premanufacture notices (PMNs) and TSCA Orders. The SNURs would require persons intending to manufacture or process these chemical substances for activities designated as significant new uses to notify EPA at least 90 days before commencing that activity. This is Batch 26-1 of proposed SNURs.
Sources
Key Findings
EPA proposes TSCA SNURs Batch 26-1 for chemical substances
osed significant new use rules (SNURs)](https://www.regulations.gov/document/EPA-HQ-OPPT-2026-0499-0001) (Batch “26-1”) under the Toxic Substances Control Act (TSCA) for chemical substances that were the subject of premanufacture notices (PMNs) and TSCA Orders. The SNURs would require anyone intending to use the chemicals under certain conditions of use to submit a significant new use notice (SNUN) that EPA would rev
EPA proposes TSCA SNURs Batch 26-1 for chemical substances
) (Chemical Abstract Service (CAS) No. 5451-76-3) from the glycol ethers category in the list of hazardous air pollutants (HAP) in Clean Air Act (CAA). The EPA proposes to find that there are adequate data on the health or environmental effects of 2-BEB to support the request for removal. This action also details a streamlined approach to the review process of future petitions. source_url: https://www.federalregister