News and analysis regarding Lautenberg implementation and related legal and administrative developments

July 30, 2026

WHO Reviews Key Ingested PFAS and Recommends 18 for Further Evaluation

The World Health Organization (WHO) has published a report entitled Key ingested per- and poly-fluoroalkyl substances (PFAS) and their health effects: landscape review that presents an overview of a comprehensive landscape review of PFAS. The authors assembled a health effects database comprising approximately 57,000 observations covering 66 individual PFAS, drawn from 48 distinct data sources. In parallel, the authors assembled an occurrence database containing nearly 300,000 observations...
July 22, 2026

Structuring Catalyst LVEs for Success Amid the Backlog

A catalyst used in small quantities in a well-controlled industrial application would seem to be the perfect candidate for a Low Volume Exemption (LVE) notification. In fact, in certain regions, such as the European Union (EU) and Canada, no premarket notification is required for substances manufactured or imported below certain tonnage limits (e.g., one metric tonne in the EU). But in the United States under the Toxic Substances Control Act (TSCA), there is no de minimis quantity and the U.S....
July 13, 2026

EPA’s 2026 Unified Agenda Includes TSCA Rulemakings

On July 3, 2026, the Office of Management and Budget (OMB) published the Trump Administration’s 2026 Unified Agenda. The U.S. Environmental Protection Agency’s (EPA) Unified Agenda includes the following rulemakings under the Toxic Substances Control Act (TSCA): Cyclic Aliphatic Bromide Cluster (HBCD); Regulation under TSCA: According to EPA, this rulemaking will address the unreasonable risk of injury to health presented by HBCD. EPA states that TSCA Section 6(a) requires that EPA, when it...
July 10, 2026

EPA’s 2026 Unified Agenda Includes PFAS Rulemakings

On July 3, 2026, the Office of Management and Budget (OMB) published the Trump Administration’s 2026 Unified Agenda. The U.S. Environmental Protection Agency’s (EPA) Unified Agenda includes the following rulemakings regarding per- and polyfluoroalkyl substances (PFAS): Clean Water Act (CWA) Effluent Limitations Guidelines and Standards for PFAS Manufacturers under the Organic Chemicals, Plastics and Synthetic Fibers Point Source Category: EPA is revising the existing Organic Chemicals,...
July 7, 2026

IRS Adds Two Substances to List of Chemical Substances Subject to Superfund Excise Tax

The Internal Revenue Service (IRS) published a notice of determinations on June 26, 2026, that the list of taxable substances is modified to include the following two substances: chloro-isobutene-isoprene rubber and ethylene-propylene-dicyclopentadiene rubber. 91 Fed. Reg. 38778. Arlanxeo USA LLC and Arlanxeo Canada Inc., importers and exporters of the chemicals, submitted petitions requesting to add the chemicals to the list. The IRS states that according to the petition for...
June 11, 2026

IRS Cancels June Hearing on Petition to Add Methyl Methacrylate-Ethyl Methacrylate-Methacrylic Acid Copolymer in a Styrene Solution to List of Chemical Substances Subject to Superfund Excise Tax

As reported in our May 22, 2026, blog item, the Internal Revenue Service (IRS) announced on May 18, 2026, that it will hold a hearing on June 18, 2026, on the notice of filing to add methyl methacrylate-ethyl methacrylate-methacrylic acid copolymer in a styrene solution to the list of taxable substances. 91 Fed. Reg. 28759. According to a June 11, 2026, Federal Register notice, the IRS did not receive any requests to testify or outlines of topics. 91 Fed. Reg. 35615. Therefore, the IRS has...
June 2, 2026

EPA Extends Deadline for Reporting Health and Safety Data for 16 Chemicals

On May 22, 2026, the U.S. Environmental Protection Agency (EPA) extended the reporting deadline for a rule under Section 8(d) of the Toxic Substances Control Act (TSCA) requiring manufacturers (including importers) of 16 chemicals to report data from unpublished health and safety studies to EPA. 91 Fed. Reg. 30222. The rule applies to manufacturers in the North American Industrial Classification System (NAICS) codes for chemical manufacturing (NAICS code 325) and petroleum refineries (NAICS code...
May 28, 2026

Action Due: June 1 Deadline for California Producers Is Fast Approaching

On May 1, 2026, the Office of Administrative Law approved and filed regulations accompanying California’s Senate Bill 54 (SB 54). The regulations were effective as of the May 1 filing date. Also on May 1, CalRecycle published a web page with compliance guidance and information for producers. Due to the effective status of the regulations, producers must take one of the following actions by June 1, 2026: Producers complying with the program through the approved producer responsibility...
May 22, 2026

IRS Will Hold June Hearing on Petition to Add Methyl Methacrylate-Ethyl Methacrylate-Methacrylic Acid Copolymer in a Styrene Solution to List of Chemical Substances Subject to Superfund Excise Tax

The Internal Revenue Service (IRS) announced on May 18, 2026, that it will hold a hearing on June 18, 2026, on the notice of filing to add methyl methacrylate-ethyl methacrylate-methacrylic acid copolymer in a styrene solution to the list of taxable substances. 91 Fed. Reg. 28759. The hearing will be limited to testimony about the notice of filing for methyl methacrylate-ethyl methacrylate-methacrylic acid copolymer in a styrene solution. According to the January 14, 2026, notice announcing that...
May 15, 2026

DoW Seeks Information on Existing Chemicals Undergoing TSCA Risk Evaluation

The U.S. Department of War (DoW) published a request for information (RFI) on May 12, 2026, seeking information to identify and assess critical applications for DoW and 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 is intended to help the Office of the Assistant Secretary of War for Energy, Installations, and Environment...