Federal Register #EPA-HQ-OPPT-2026-1849

EPA Regulatory Findings for New Chemicals and Significant New Uses (TSCA, May 2026)

This EPA notice provides an update on regulatory findings for new chemical substances and significant new uses under the Toxic Substances Control Act (TSCA): - The Environmental Protection Agency (EPA) reviewed submissions including premanufacture notices (PMNs), microbial commercial activity notices (MCANs), and significant new use notices (SNUNs) received in May 2026. - EPA determined that certain chemicals or uses are not likely to present an unreasonable risk to health or the environment. - The notice lists EPA case numbers and generic chemical names, such as: - Maleated polyalkene, aminoethyl substituted heteromonocycle, carbopolycycle alkoxylated - Modified Saccharomyces cerevisiae for improved ethanol production - No specific OEMs, vendors, or commercial products are identified. - This is not a procurement or solicitation for goods or services; it is a regulatory announcement allowing manufacturers to proceed with manufacture or processing of the reviewed chemicals.

Description

The Environmental Protection Agency (EPA) publishes statements of findings under the Toxic Substances Control Act (TSCA) regarding new chemical substances or significant new uses. These findings indicate that certain chemicals or uses are not likely to present an unreasonable risk of injury to health or the environment. The document covers statements made by EPA on premanufacture notices (PMNs), microbial commercial activity notices (MCANs), and significant new use notices (SNUNs) submitted during the period from May 1, 2026, to May 31, 2026. It provides EPA case numbers and generic chemical names for the substances reviewed. The findings allow manufacturers to commence manufacture or processing of these chemicals following EPA's determination.

View original listing