On May 5, 2025, the U.S. Environmental Protection Agency (EPA) Environmental Appeals Board (EAB) issued a consent agreement and final order between EPA and Cytonix, LLC (Cytonix). According to the consent agreement, in 2022, EPA inspectors discovered Cytonix’s potential noncompliance with requirements under Section 5 of the Toxic Substances Control Act (TSCA) for a manufactured chemical substance consisting of short-chain polyfluorinated materials (Chemical A) that was developed as a...
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On May 2, 2025, U.S. Environmental Protection Agency (EPA) Administrator Lee Zeldin announced the “[n]ext phase of organizational improvements to better integrate science into agency offices.” As part of this reorganization effort, Administrator Zeldin introduced the creation of the Office of Applied Science and Environmental Solutions (OASES) within the Office of the Administrator. According to Zeldin, OASES will “align research and put science at the forefront of the agency’s...
President Donald Trump’s initial 100 days in office during his second term have marked a significant shift in the United States’ approach to chemical regulation, emphasizing deregulation and industry facilitation over more traditional environmental and public health safeguards. President Trump’s actions, inactions, and policy choices during his first 100 days seem to have come at a cost, as polls show his approval rating has decreased to 39 percent, an 80-year low for a...
On April 25, 2025, the U.S. Environmental Protection Agency (EPA) announced the availability of new resources intended to help companies with the requirements described in EPA’s December 2024 final rule governing the review of new chemicals under the Toxic Substances Control Act (TSCA). According to EPA, the new materials “provide companies with clear instructions on how to include required data elements in the current system used for new chemical submissions while the agency works to...
February 7, 2025
OECD Tour de Table Includes Information on U.S. Developments on the Safety of Manufactured Nanomaterials
The Organisation for Economic Co-operation and Development (OECD) has published the Developments in Delegations on the Safety of Manufactured Nanomaterials and Advanced Materials between July 2023 and June 2024 — Tour de Table (Tour de Table). The Tour de Table lists U.S. developments on the human health and environmental safety of nanomaterials. Risk assessment decisions, including the type of nanomaterials assessed, testing recommended, and outcomes of the assessment include: The Tour de...
December 16, 2024
EPA Issues Final SNURs for Multi-Walled Carbon Nanotubes (Generic) (P-21-216 and P-21-217)
On December 12, 2024, the U.S. Environmental Protection Agency (EPA) issued several final significant new use rules (SNUR) for certain chemical substances that were the subject of premanufacture notices (PMN) and are also subject to an Order issued by EPA pursuant to the Toxic Substances Control Act (TSCA). 89 Fed. Reg. 100361. Two of the SNURs are for substances identified generically as multi-walled carbon nanotubes (PMN P-21-216 and PMN P-21-217). The SNURs require persons who...
December 6, 2024
EPA Proposes to Update Proposed SNURs for 17 PFAS, Designating Manufacture (Including Import) as a Significant New Use
On November 29, 2024, the U.S. Environment Protection Agency (EPA) issued a supplemental notice of proposed rulemaking (SNPRM) that would update the December 2, 2022, proposed significant new use rules (SNUR) for 17 per- and polyfluoroalkyl substances (PFAS) that were the subject of premanufacture notices (PMN) and are also subject to an Order issued by EPA pursuant to the Toxic Substances Control Act (TSCA). 89 Fed. Reg. 94642. The SNURs would require persons who intend...
August 20, 2024
EPA Proposes SNUR for Graphene Nanoplatelets (Generic)
On August 20, 2024, the U.S. Environmental Protection Agency (EPA) proposed significant new use rules (SNUR) ) under the Toxic Substances Control Act (TSCA) for chemical substances, including graphene nanoplatelets (generic), that were the subject of premanufacture notices (PMN) and a Microbial Commercial Activity Notice (MCAN) and are also subject to a TSCA Order. 89 Fed. Reg. 67368. The SNURs would require persons who intend to manufacture (defined by statute to include import) or process...
The Society for Chemical Hazard Communication Annual Meeting features an esteemed slate of speakers and subject matter experts presenting during general sessions and professional development courses. Richard E. Engler, Ph.D., Director of Chemistry, B&C, will present the “Navigating the Premanufacture Notice (PMN) Process Under Amended TSCA” workshop on Monday, September 23, 2024. Karin F. Baron, MSPH, Director of Hazard Communication and International Registration Strategy,...
On June 11, 2024, the U.S. Environmental Protection Agency (EPA) published proposed significant new use rules (SNUR) for certain chemical substances that were the subject of premanufacture notices (PMN) and are also subject to a TSCA Order, including multi-walled carbon nanotubes (generic) (P-21-216 and P-21-217). 89 Fed. Reg. 49121. The SNURs would require persons who intend to manufacture (including import) or process any of these chemical substances for an activity that is proposed as a...