All Knowledge & Insights By Date

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,...

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...

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...

As reported in our March 31, 2025, blog item, 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....

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...

On March 10, 2025, the U.S. Environmental Protection Agency (EPA) announced its intent to reconsider the May 3, 2024, rule amending the procedural framework rule for conducting risk evaluations under the Toxic Substances Control Act (TSCA) (2024 Risk Evaluation Framework Rule). According to EPA, it will initiate a rulemaking “that will ensure the agency can efficiently and effectively protect human health and the environment and follow the law.” As reported in our February 7, 2025,...

The U.S. Environmental Protection Agency (EPA) announced on March 11, 2025, the rescheduled meeting dates of the Science Advisory Committee on Chemicals (SACC) that had been previously scheduled for February 2025 to consider and review the draft risk evaluation for 1,3-butadiene. 90 Fed. Reg. 11737. The rescheduled preparatory meeting for the SACC to consider the scope and clarity of the revised draft charge questions for the peer review will now be held on March 25,...

The U.S. Environmental Protection Agency (EPA) announced on March 7, 2025, that it is extending the comment period on the draft risk evaluation for dicyclohexyl phthalate (DCHP) under the Toxic Substances Control Act (TSCA). EPA released the risk evaluation for DCHP on January 7, 2025, with a comment period that closed March 10, 2025. EPA states that it will soon publish a Federal Register notice extending the public comment period for an additional 60 days....

On March 5, 2025, the U.S. Environmental Protection Agency (EPA) extended the comment period on the draft scope of the risk evaluation to be conducted under the Toxic Substances Control Act (TSCA) for vinyl chloride. 90 Fed. Reg. 11315. As reported in our January 28, 2025, memorandum, under TSCA, the scope documents must include the conditions of use (COU), hazards, exposures, and the potentially exposed or susceptible subpopulations (PESS) that EPA expects to consider in...