On September 23, 2025, the U.S. Environmental Protection Agency (EPA) proposed highly anticipated amendments to the procedural framework rule for conducting existing chemical risk evaluations under the Toxic Substances Control Act (TSCA). 90 Fed. Reg. 45690. When conducting an existing chemical risk evaluation under TSCA, EPA must determine whether a chemical substance presents an unreasonable risk of injury to health or the environment, without considering costs or nonrisk factors, including...
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August 15, 2025
EPA Releases Draft TSCA Risk Evaluations for Phthalates BBP and DIBP for Public Comment
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...
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,...
The U.S. Environmental Protection Agency (EPA) announced on July 30, 2025, that it seeks public comment to inform its reconsideration of the Toxic Substances Control Act (TSCA) regulation for perchloroethylene (PCE). 90 Fed. Reg. 35858. EPA notes that as promulgated in December 2024, the PCE risk management rule addresses the unreasonable risk of injury to health presented by PCE under its conditions of use (COU) by requiring various workplace exposure controls, prohibiting certain industrial...
As reported in our June 28, 2025, blog item, 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 risk management rule regulating chrysotile asbestos under the Toxic Substances Control Act (TSCA) be held in abeyance for an additional six months. Texas Chemistry Council, et al. v. EPA, No. 24-60193. According to the filing, EPA intended to initiate a new...
May 30, 2025
TSCA Section 21 Petition Seeks Reconsideration of 2024 Rule Regarding Procedures for Chemical Risk Evaluation
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,...
On March 21, 2025, the U.S. Court of Appeals for the District of Columbia Circuit heard oral argument in a case challenging the U.S. Environmental Protection Agency’s (EPA) May 3, 2024, final rule amending the procedural framework rule for conducting risk evaluations under the Toxic Substances Control Act (TSCA). United Steel, Paper and Forestry, Rubber, Manufacturing, Energy, Allied Industrial and Service Workers International Union (USW) v. EPA, Consolidated Case No. 24-1151. If you have a...