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The U.S. Environmental Protection Agency (EPA) announced on August 6, 2025, the availability of the draft Toxic Substances Control Act (TSCA) risk evaluations for the phthalates butyl benzyl phthalate (BBP) and diisobutyl phthalate (DIBP) for public comment. 90 Fed. Reg. 37855. According to EPA, the purpose of TSCA risk evaluations is to determine whether a chemical substance presents an unreasonable risk of injury to health or the environment under the conditions of use (COU), including...

The U.S. Environmental Protection Agency (EPA) announced on August 8, 2025, that it seeks self-nominations from small businesses, governments, and not-for-profits to participate as Small Entity Representatives (SER) providing advice and recommendations for two separate Small Business Advocacy Review (SBAR) Panels. One SBAR Panel will focus on EPA’s development of a proposed rule to address unreasonable risk identified in the Toxic Substances Control Act (TSCA) risk evaluation for asbestos part...

On August 4, 2025, the U.S. Environmental Protection Agency (EPA) submitted to the Office of Management and Budget (OMB) a proposed rule entitled “Further Reconsideration of Procedures for Chemical Risk Evaluation Under the Toxic Substances Control Act (TSCA).” As reported in our March 14, 2025, memorandum, on March 10, 2025, EPA announced its intent to reconsider the May 2024 rule amending the procedural framework rule for conducting TSCA risk evaluations. According to EPA’s March 10,...

On June 25, 2025, Bergeson & Campbell, P.C. (B&C®), the Environmental Law Institute (ELI), and the George Washington University (GWU) Milken Institute School of Public Health presented “TSCA Reform -- Nine Years Later.” This virtual conference marked the ninth Toxic Substances Control Act (TSCA) Annual Conference, reflecting on the accomplishments and challenges since the implementation of the 2016 Frank R. Lautenberg Chemical Safety for the 21st Century Act (Lautenberg Act) and...

On June 16, 2025, the U.S. Environmental Protection Agency (EPA) filed a motion with the U.S. Court of Appeals for the Fifth Circuit requesting that litigation over its 2024 final rule regulating chrysotile asbestos under the Toxic Substances Control Act (TSCA) be held in abeyance for an additional six months. According to the filing, EPA intends to initiate a new notice-and-comment rulemaking to reconsider certain provisions of the rule. The litigation, Texas Chemistry Council, et al. v. EPA,...

On June 16, 2025, the U.S. Environmental Protection Agency (EPA) announced the release of the draft charge questions for discussion at the upcoming Science Advisory Committee on Chemicals (SACC) meeting to review all documents released thus far on the risk evaluations of five phthalates. SACC will review the draft risk evaluations for dibutyl phthalate (DBP), di(2-ethylhexyl) phthalate (DEHP), and dicyclohexyl phthalate (DCHP), as well as cross-cutting documents related to DBP, DEHP, DCHP, butyl...

Download transcript. This week, I discuss with Patricia Underwood, Ph.D., DABT, MBA, Chief Toxicologist, Principal Director – Chemical and Material Risk Management, Office of the Assistant Secretary of Defense, Department of Defense, and my colleague, Richard E. Engler, Ph.D., Director of Chemistry for B&C and The Acta Group (Acta®), our consulting affiliate, the U.S. Department of Defense’s (DOD) recent Request for Information (RFI) on chemicals undergoing U.S. Environmental...

On May 27, 2025, the U.S. Department of Defense (DOD) issued a request for information (RFI) to gather information to identify and assess critical applications for DOD and the defense industrial base (DIB) that necessitate the use of existing chemicals undergoing the U.S. Environmental Protection Agency’s (EPA) Toxic Substances Control Act (TSCA) Section 6 risk evaluation process. The RFI states that it will help the Office of the Assistant Secretary of Defense for Energy, Installations, and...

On May 15, 2025, the Center for Environmental Accountability (CEA) filed a petition under Section 21 of the Toxic Substances Control Act (TSCA) requesting that the U.S. Environmental Protection Agency (EPA) reconsider the 2024 final rule regarding procedures for chemical risk evaluation under TSCA and initiate a rulemaking to amend certain provisions in 40 C.F.R. Part 702, subpart B. According to CEA, the current process “has led to overly conservative risk conclusions and, in turn,...

The U.S. Environmental Protection Agency (EPA) announced on April 30, 2025, that it is requesting public comments on candidates who are interested and available to serve as ad hoc reviewers assisting its Science Advisory Committee on Chemicals (SACC) in the peer review of the Agency’s data, methods, models, and approaches for the draft Toxic Substances Control Act (TSCA) risk evaluations of dibutyl phthalate (DBP), di(2-ethylhexyl) phthalate (DEHP), and dicyclohexyl phthalate (DCHP). According...