All Knowledge & Insights By Date

On September 28, 2026, the U.S. Environmental Protection Agency (EPA) released the Final Registration Review Decision for 4-chlorophenoxyacetic acid (4-CPA). 91 Fed. Reg. 61228. The Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA) mandates a periodic review of existing pesticide registrations every 15 years, referred to as registration review. During registration review, EPA determines whether a currently registered pesticide continues to meet FIFRA’s registration standard. EPA...

On September 15, 2026, the U.S. Environmental Protection Agency (EPA) announced a new e-mail subscription feature, added to its Bulletins Live! Two (BLT) web page, allowing pesticide users and other stakeholders to receive quicker updates from the BLT system. EPA states it developed this feature in direct response to requests from pesticide users who asked for better access to BLT updates. With this feature, whenever Endangered Species Act (ESA) requirements are updated in the BLT system,...

On September 22, 2026, the U.S. Environmental Protection Agency (EPA) announced a new interagency Memorandum of Understanding (MOU) with the U.S. Department of Health and Human Services (HHS). The MOU is intended to strengthen scientific coordination and expand the evidence available to EPA’s ongoing registration review of glyphosate under the Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA). EPA Action Under the MOU, EPA and HHS will exchange scientific information, identify...

On August 25, 2026, the U.S. Environmental Protection Agency (EPA) announced the availability of an open literature search document and the opening of a comment period on the results of a comprehensive open literature search in support of the ongoing registration review of glyphosate. 91 Fed. Reg. 54870. This open literature search is intended to inform the upcoming hazard assessment for the updated glyphosate human health risk assessment, currently scheduled to be completed in late 2026. EPA is...

On August 27, 2026, the U.S. Environmental Protection Agency (EPA) announced two scientific advancements designed to modernize safety reviews of new chemicals and pesticides while further eliminating the Agency’s reliance on animal testing. According to EPA, the new methods will help it assess the potential inhalation and oral risks of certain chemicals and pesticides faster and with greater human relevance, advancing the Agency's commitments to transparency, regulatory certainty, and the...

This year marks at least one other celebration besides the nation’s 250 years since the Declaration of Independence. Though much smaller in scale and scope, regarding pesticide regulation, the Food Quality Protection Act (FQPA) was very much a pivotal event. Setting the Stage As the 1990s dawned, news about pesticides was coming off the Alar controversy, energized by a 60 Minutes episode in 1989 (Feb. 26, 1989) that led to school districts banning apples, congressional hearings (Mar. 16, 1989)...

The New York State (NYS) Department of Environmental Conservation (DEC) will be holding a virtual stakeholder meeting, titled “Bureau of Pesticides Management: 320 Series Rulemaking Stakeholder Meeting,” on August 27, 2026, from 9:30 a.m. to 1:00 p.m. (EDT) to obtain input on potential changes to current pesticides regulations. NYS DEC is considering changes to the entire series of pesticides regulations contained in Parts 320 through 329 of Chapter IV – Quality Services within Title...

The U.S. Environmental Protection Agency (EPA) has extended its Emerging Viral Pathogen (EVP) Guidance for Antimicrobial Pesticides (Guidance) in response to the mpox virus (formerly monkeypox), which had been considered to be a rare disease caused by infection with the mpox virus. EPA developed its Guidance in 2016 to address emerging pathogens. Under this Guidance, EPA provides pesticide registrants with a voluntary “two-stage process to enable use of certain EPA-registered disinfectant...

On July 1, 2026, the California Department of Pesticide Regulation (DPR) announced it had reached a settlement with Keystone Pest Solutions to resolve allegations related to the sales of certain pesticide products. The penalty of nearly $200,000 relates specifically to sales of the following restricted materials: 2,4-dicholophneoxyacic acid (2,4-D), diuron, carbaryl, dimethylamine salt of dicamba, dimethylamine salt of 2-methyl-4-chlorophenoxyacetic acid, and Simazine. The specific allegations...

For more than a decade, litigation over glyphosate-based herbicides has sat at the intersection of federal pesticide regulation, state tort law, scientific risk assessment, and broader debates over the role of juries in evaluating product safety. The Supreme Court's June 25, 2026, decision in Monsanto Company v. Durnell (Durnell) represents the Court's most significant interpretation of the Federal Insecticide, Fungicide, and Rodenticide Act's (FIFRA) preemption provision since Bates v. Dow...