Blogs

On November 19, 2025, the U.S. Senate Committee on Environment and Public Works will hold a hearing examining per-and polyfluoroalkyl substance (PFAS) cleanup and disposal policy. The Committee is scheduled to hear from the following witnesses: Eric Gerstenberg, Co-Chief Executive Officer, Clean Harbor; Leah Pilconis, General Counsel, Associated General Contractors of America; and Kate R. Bowers, Supervisory Attorney, Congressional Research Service.

On November 10, 2025, the U.S. Environmental Protection Agency (EPA) announced that it is rescheduling the November 18, 2025, preparatory meeting for the Science Advisory Committee on Chemicals (SACC). The meeting to consider the scope and clarity of the draft charge questions for SACC’s peer review of EPA’s draft risk evaluation for octamethylcyclotetrasiloxane (D4) will now be held virtually on December 1, 2025. Registration for the meeting is open. To present oral comments during the...

The U.S. Environmental Protection Agency (EPA) announced on November 10, 2025, that it will publish a final rule extending the compliance date for laboratories using methylene chloride to ensure long-term compliance with the requirements of the May 2024 final risk management rule. According to EPA, the final rule will extend the Workplace Chemical Protection Program (WCPP) compliance dates for non-federal laboratories by an additional 18 months, aligning them with the dates required for federal...

On Wednesday, November 5, 2025, the Supreme Court of the United States heard arguments on executive tariff authority, a case that promises to have ripple effects far beyond the bounds of pure trade law. Trump v. V.O.S. Selections, Inc., No. 25-250. In the chemical sector -- where global chemical feedstocks, complex supply chains, and regulatory compliance are already famously complicated -- the stakes are especially high. If the Court limits or invalidates the President’s ability unilaterally...

On October 29, 2025, Public Employees for Environmental Responsibility (PEER) announced that it filed an Information Quality Act (IQA) request with the U.S. Environmental Protection Agency (EPA) regarding statements on EPA’s website that perfluorooctanoic acid (PFOA) has been phased out of domestic production. According to PEER, two EPA publications on its website contain erroneous information about PFOA: “EPA Questions and Answers About TSCA,” Q8 states: “[Is] … perfluorooctanoic acid...

The Scientific Committee on Consumer Safety (SCCS) announced on October 30, 2025, that the European Commission (EC) requested a scientific opinion on the safety of hydrated silica (nano), pyrogenic silica (nano), silica silylate (nano), and silica dimethyl silylate (nano). The request states that given the continued and widespread use of these silica materials in cosmetic products, and in view of the previous inconclusive assessments by SCCS and the new submission of safety data by industry, the...

The New Mexico Environment Department (NMED) has posted frequently asked questions (FAQ) regarding New Mexico’s Per- and Polyfluoroalkyl Substances (PFAS) Protection Act labeling requirements. As reported in our October 15, 2025, memorandum, NMED petitioned New Mexico’s Environmental Improvement Board (EIB) to adopt a proposed rule to implement the PFAS Protection Act, including labeling requirements, and EIB voted to proceed with the rulemaking during its October 24, 2025, meeting....

On October 14, 2025, BB-REG-NET, a United Kingdom (UK) regulatory science network for biobased and biodegradable materials, published a report entitled “Addressing Persistent Plastic Pollution: The Case for Biodegradable Solutions.” Alder BioInsights conducted a literature review of the evidence around the presence, impact, and persistence of microplastics in the open environment due to the use of biodegradable materials. The report documents evidence from case studies in agriculture,...

The Organisation for Economic Co-operation and Development (OECD) has published a draft guidance document on in vitro testing for intestinal fate of orally ingested nanomaterials. According to OECD, the new guidance document “would establish a conceptual framework and procedures for determining intestinal fate of orally ingested nanomaterials using an integrated in vitro approach simulating the human [gastrointestinal tract] environment.” The primary objective of the draft guidance document...

The European Bioeconomy Alliance (EUBA) announced on October 1, 2025, the release of an expert paper from the nova-Institute entitled “Benefits of Using First-Generation Biomass for Food, Fuels, Chemicals and Derived Materials in Europe: Science-based Argumentation Paper.” According to EUBA’s October 1, 2025, press release, using first-generation agricultural biomass (i.e., crops like cereals, sugar, and oil plants) to produce biobased energy and materials in Europe results in important...