On November 24, 2025, the U.S. Environmental Protection Agency (EPA) released the key default values that it uses in its risk assessments of new chemicals under the Toxic Substances Control Act (TSCA). EPA is making the assumptions available on its website in the New Chemicals Division Reference Library. EPA states that it expects the publication of the default values “to improve efficiency, reducing the likelihood that submissions need to be reworked or resubmitted.” According to EPA,...
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The U.S. Environmental Protection Agency (EPA) announced on August 11, 2025, the results of process improvements to accelerate the review of Low Volume Exemptions (LVE) in the Toxic Substances Control Act (TSCA) New Chemicals Program. At the end of March 2025, EPA identified 79 LVEs waiting for review and established a dedicated team of risk assessors. EPA states that it completed the risk assessments and made preliminary decisions for all 79 cases during April and May 2025. According to EPA, 80...
On June 19 to June 20, 2025, the European Union (EU) Horizon Europe projects ACCORDs, iCare, MACRAMÉ, and nanoPASS are hosting a joint summit to address the needs of industry and regulators in assessing the safety and sustainability of advanced materials. The summit will feature discussions, latest method developments, and direct engagement with regulators, scientists, and industry professionals. Key sessions will focus on regulatory challenges, scientific developments, and pathways towards...
On April 28, 2025, the U.S. Environmental Protection Agency (EPA) outlined upcoming Agency action to address per- and polyfluoroalkyl substances (PFAS). According to EPA’s announcement, “[i]n line with Administrator Zeldin’s Powering the Great American Comeback initiative, EPA’s work in this space will advance Pillar 1: Clean Air, Land, and Water for Every American, and Pillar 3: Permitting Reform, Cooperative Federalism, and Cross-Agency Partnership.” EPA states that these actions...
April 15, 2025
EUON Publishes Nanopinion on Enhancing the Regulatory Application of NAMs to Assess Nanomaterial Risks in the Food and Feed Sector
On April 8, 2025, the European Union (EU) Observatory for Nanomaterials (EUON) published a Nanopinion entitled “A Qualification System to Accelerate Development and Regulatory Implementation of New Approach Methodologies (NAMs)” by Andrea Haase, Ph.D., German Federal Institute for Risk Assessment (BfR), Shirin M. Usmani, Ph.D., BfR, Irene Cattaneo, European Food Safety Authority (EFSA), Maria Chiara Astuto, EFSA, and Francesco Cubadda, Ph.D., National Institute of Health (ISS). The authors...
January 17, 2025
EPA Releases Final Risk Evaluation for DINP, Finding Unreasonable Risk of Injury to Human Health When Workers Are Exposed under Four COUs
On January 14, 2025, the U.S. Environmental Protection Agency (EPA) released the final risk evaluation for diisononyl phthalate (DINP) conducted under the Toxic Substances Control Act (TSCA). EPA states that it has determined that DINP presents an unreasonable risk of injury to human health because workers could be exposed to high concentrations of DINP in mist when spraying adhesive, sealant, paint, and coating products that contain DINP. According to EPA, DINP can cause developmental toxicity...
October 11, 2023
EC Recommends Carrying Out Risk Assessment on Biotechnologies
The European Commission (EC) announced on October 3, 2023, that it adopted a Recommendation on critical technology areas for the European Union’s (EU) economic security, for further risk assessment with EU member states. According to the EC, the Recommendation relates to the assessment of technology risk and technology leakage. The EC states that the risk assessment “will be objective in character, and neither its results nor any follow-up measures can be anticipated at this stage.” In the...
The U.S. Environmental Protection Agency (EPA) is launching a webinar series in collaboration with the PETA Science Consortium International (PSCI), Institute for In Vitro Sciences (IIVS), and the California Department of Pesticide Regulation (CDPR). According to EPA, the quarterly series will focus on the use of new approach methodologies (NAM), or alternative methods to reduce vertebrate animal testing, for risk assessment within EPA and CDPR. The first webinar in the series will take place...
The U.S. Environmental Protection Agency (EPA) is launching a webinar series in collaboration with the PETA Science Consortium International (PSCI), Institute for In Vitro Sciences (IIVS), and the California Department of Pesticide Regulation (CDPR). According to EPA, the quarterly series will focus on the use of new approach methodologies (NAM), or alternative methods to reduce vertebrate animal testing, for risk assessment within EPA and CDPR. The first webinar in the series will take place...
On May 18, 2023, Senator Alex Padilla (D-CA) and Representative Zoe Lofgren (D-CA) introduced the Supercomputing for Safer Chemicals (SUPERSAFE) Act (S. 1685, H.R. 3457). According to Padilla’s May 18, 2023, press release, the legislation would establish a SUPERSAFE Consortium led by the U.S. Environmental Protection Agency (EPA) “to identify chemicals that are safe to use in commerce through science-backed decision making.” The press release states that the bill would direct the use...