Memoranda

On June 12, 2026, the U.S. Environmental Protection Agency (EPA) released its draft risk evaluation for 4,4'-(1-methylethylidene)bis[2, 6-dibromophenol] (TBBPA) under the Toxic Substances Control Act (TSCA). EPA states in its press release that “[u]sing gold standard science -- including real-world monitoring data and modeling -- the draft identifies unreasonable risk to workers from inhalation exposure (three conditions of use [COU]) and unreasonable risk to the environment from releases to...

Shortly after announcing a case against a chemical supplier for failing to disclose imports of “hundreds of millions of pounds of toxic chemicals and their intended use,” the U.S. Environmental Protection Agency (EPA) announced on June 4, 2026, a settlement with an international agribusiness company for claims of violations of the Toxic Substances Control Act (TSCA) at its facilities in California and Washington. According to EPA, Wilbur-Ellis Company agreed to pay a penalty of $630,737 for...

The U.S. Environmental Protection Agency (EPA) announced on June 1, 2026, that it has filed an administrative complaint against Wego Chemical Group and related companies (Wego) for violations of the Toxic Substances Control Act (TSCA). According to EPA, the complaint is the result of Wego’s “years-long” failure to report properly its import and domestic distribution of chemical substances. EPA states that since at least 2016, Wego imported “hundreds of millions of pounds of hundreds of...

As reported in our February 13, 2025, blog item, on January 17, 2025, the Biden U.S. Environmental Protection Agency (EPA) filed a notice of appeal in the U.S. Court of Appeals for the Ninth Circuit of the U.S. District Court for the Northern District of California’s 2024 decision finding that the Plaintiffs established by a preponderance of the evidence that the levels of fluoride typical in drinking water in the United States pose an unreasonable risk of injury to the health of the public....

On May 15, 2026, the California Department of Pesticide Regulation (CDPR) announced a proposed rulemaking to harmonize its regulation of pesticide-treated seeds with the U.S. Environmental Protection Agency’s (EPA) regulation of pesticide-treated seeds. The Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA) grants EPA discretion to exempt from its requirements any pesticide that is of a character that is not requiring regulation under FIFRA. EPA exempts treated articles, including but...

On May 18, 2026, the U.S. Environmental Protection Agency (EPA) announced two proposed rules. The first proposed rule would uphold the federal drinking water Maximum Contaminant Levels (MCL) for perfluorooctanoic acid (PFOA) and perfluorooctane sulfonic acid (PFOS) while providing an option for drinking water systems to request two additional years to comply with the enforceable limits. The second proposed rule would rescind the regulatory determinations and regulations for perfluorohexane...

The U.S. Food and Drug Administration announced on May 12, 2026, “two decisive actions focused on food chemical safety.” First, FDA released two final documents for its new proactive food chemical safety post-market assessment program. Second, FDA launched reassessments of butylated hydroxytoluene (BHT) and azodicarbonamide (ADA), “chemical additives commonly used in a variety of food products.” As part of the reassessment, FDA issued two requests for information regarding the use and...

The Strengthening Environmental Protection for a Healthier Canada Act (the Act), enacted in 2023 to modernize the Canadian Environmental Protection Act, 1999 (CEPA), requires the creation of a “Watch List” of substances capable of becoming toxic to inform Canadians and businesses of substances that they may wish to avoid. On April 28, 2026, Environment and Climate Change Canada (ECCC) announced the publication of the Watch List Approach (the Approach) in the CEPA Registry. The Approach...

The U.S. Environmental Protection Agency (EPA) announced on May 5, 2026, the availability of the final risk evaluation under the Toxic Substances Control Act (TSCA) for 1,2-dichloroethane (also known as ethylene dichloride (EDC)). 91 Fed. Reg. 24230. EPA notes that the purpose of TSCA risk evaluations is to determine whether a chemical substance presents an unreasonable risk of injury to health or the environment under the conditions of use (COU), including unreasonable risk to potentially...

The Chair of the New Mexico Environmental Improvement Board (NMEIB) signed a Final Order and Statement of Reasons on April 17, 2026, regarding the adoption of a rule on per- and polyfluoroalkyl substances (PFAS) in consumer products. The final rule, scheduled to be published in New Mexico’s Register on May 5, 2026, with the Final Order and Statement of Reasons, includes prohibitions for certain consumer products in 2027 and 2028;...