On January 16, 2025, the U.S. Environmental Protection Agency (EPA) announced the availability of and requested public comment on the draft scope of the risk evaluation to be conducted under the Toxic Substances Control Act (TSCA) for vinyl chloride. 90 Fed. Reg. 4738. EPA notes that 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 conducting...
Archives
December 23, 2024
EPA Requires Submission of Health and Safety Studies for 16 Chemicals Being Considered for Risk Evaluation under TSCA
On December 13, 2024, the U.S. Environmental Protection Agency (EPA) published a final Health and Safety Reporting Rule under the Toxic Substances Control Act (TSCA) to require manufacturers (including importers) of 16 chemical substances to submit copies and lists of certain unpublished health and safety studies to EPA. 89 Fed. Reg. 100756. The rule applies to manufacturers in the North American Industrial Classification System (NAICS) codes for chemical manufacturing (NAICS code 325) and...
July 29, 2024
EPA Begins 90-Day Comment Period on Proposed High-Priority Substance Designations for Five Chemicals
The U.S. Environmental Protection Agency (EPA) announced on July 25, 2024, that it is proposing to designate acetaldehyde, acrylonitrile, benzenamine, vinyl chloride, and 4,4-methylene bis(2-chloroaniline) (MBOCA) as high-priority substances (HPS) for risk evaluation under the Toxic Substances Control Act (TSCA). 89 Fed. Reg. 60420. EPA is providing a 90-day comment period, during which interested persons may submit comments on the proposed designations of these chemicals as HPSs for risk...
May 24, 2024
EPA Releases Draft Risk Evaluation Documents for DIDP and DINP for Public Comment and Peer Review
The U.S. Environmental Protection Agency (EPA) announced on May 20, 2024, the availability of and solicited public comment on the draft manufacturer-requested risk evaluation (MRRE) for di-isodecyl phthalate (DIDP) and the draft physical chemical, fate, and hazard assessments for di-isononyl phthalate (DINP) prepared under the Toxic Substances Control Act (TSCA). 89 Fed. Reg. 43847. In its May 17, 2024, press release, EPA states that it preliminarily determined that all but one of the uses of...
The U.S. Environmental Protection Agency (EPA) released a final rule on April 23, 2024, that amends the procedural framework rule for conducting risk evaluations under the Toxic Substances Control Act (TSCA). According to the final rule, published in the Federal Register on May 3, 2024, EPA reconsidered the procedural framework rule for conducting such risk evaluations and is revising certain aspects of that framework to align better with the statutory text and applicable court decisions,...
April 29, 2024
EPA Issues Asbestos Part 2 Draft Risk Evaluation, Preliminarily Determines That Asbestos Poses Unreasonable Risk to Human Health
On April 16, 2024, the U.S. Environmental Protection Agency (EPA) announced the availability of and requested public comment on a draft document titled “Draft Risk Evaluation for Asbestos Part 2: Supplemental Evaluation Including Legacy Uses and Associated Disposals of Asbestos” (the Draft Asbestos Part 2). 89 Fed. Reg. 26878. EPA is evaluating legacy uses and associated disposals of asbestos, including chrysotile asbestos, five additional fiber types, asbestos-containing talc, and Libby...
April 5, 2024
EPA Proposes to Require Submission of Health and Safety Studies for 16 Chemicals Being Considered for TSCA Risk Evaluation
The U.S. Environmental Protection Agency (EPA) published on March 26, 2024, a proposed rule requiring manufacturers (including importers) of 16 chemical substances to submit copies and lists of certain unpublished health and safety studies to EPA. 89 Fed. Reg. 20918. EPA identified 15 of the chemical substances as potential candidates for prioritization through a screening process based on a combination of hazard, exposure (including uses), and persistence and bioaccumulation characteristics....
March 21, 2024
EPA Issues Draft Risk Evaluation for Formaldehyde, Preliminarily Finds That Formaldehyde Poses Unreasonable Risk to Human Health
The U.S. Environmental Protection Agency (EPA) announced on March 15, 2024, the availability of and solicited public comment on the 2024 draft risk evaluation for formaldehyde prepared under the Toxic Substances Control Act (TSCA). 89 Fed. Reg. 18933. EPA states that it “preliminarily finds that formaldehyde poses unreasonable risk to human health. The risk evaluation notes that these risks may not apply to everyone, everywhere and describes some of the sources of uncertainties in EPA’s...
The U.S. Environmental Protection Agency (EPA) announced on October 19, 2023, a proposed rule that would amend the procedural framework rule for conducting risk evaluations under the Toxic Substances Control Act (TSCA). Published in the Federal Register on October 30, 2023, the proposed rule states that the purpose of risk evaluations under TSCA is to determine whether a chemical substance presents an unreasonable risk of injury to health or the environment, without considering costs or...
The European Chemical Agency’s (ECHA) Community Rolling Action Plan (CoRAP) update for the years 2022–2024 lists 27 substances suspected of posing a risk to human health or the environment. Two of the substances are new to the evaluation process and the other 25 are existing. The two new substances are: Substance name Initial grounds of concern 1,3,4,6,7,8- hexahydro4,6,6,7,8,8- hexamethylindeno[5 ,6-c]pyran Potential endocrine disruptor, suspected persistent, bioaccumulative, and toxic...