The Classification of Gasoline & Gasoline Fumes as a Carcinogen: Considerations for Corporate Executives & Attorneys
PFAS in Focus: Forever-Engineering With Trent Stober, HDR - Reflections on Water Podcast
PFAS in Focus: Wastewater Utility Perspectives From Jay Hoskins, Metropolitan St. Louis Sewer District - Reflections on Water Podcast
DynCorp's 'Strategic' Defense In Drug Crop Spraying Suit
The U.S. Environmental Protection Agency (EPA) announced on July 28, 2025, the release of a memorandum with additional context on occupational exposure data for di(2-ethylhexyl) phthalate (DEHP). According to EPA, the...more
In 2024, the US Environmental Protection Agency (EPA) established maximum contaminant levels (MCL) for six PFAS chemicals in drinking water. That rule set MCLs of 4 parts per trillion (ppt) for perfluorooctanoic acid (PFOA)...more
In the latest edition of the PFAS Primer Quarterly Update, our roundup of regulatory, litigation, and scientific actions involving PFAS, the EPA rethinks MCLs, more states prohibit new PFAS products, and ongoing discharge...more
The Minnesota Pollution Control Agency (MPCA) announced on July 23, 2025, that it will extend the January 1, 2026, deadline for reporting products containing intentionally added per- and polyfluoroalkyl substances (PFAS) to...more
The United States Environmental Protection Agency (“EPA”) and Gallade Chemical, Inc. (“GCI”) entered into a July 11th Expedited Settlement Agreement (“ESA”) addressing alleged violations of the regulations implementing...more
This proclamation addresses the EPA’s April 5, 2024 final rule, National Emission Standards for Hazardous Air Pollutants: Ethylene Oxide Emissions Standards for Sterilization Facilities Residual Risk and Technology Review, 89...more
The EPA on July 2 issued a finalized interim rule, published six days later in the Federal Register, which delays implementation of certain National Emission Standards for Hazardous Air Pollutants (NESHAP) requirements for...more
After October 31, 2026, the distribution in commerce of articles containing PIP (3:1) will be prohibited. Affected companies must phase out the production of PIP (3:1) articles and sell or otherwise remove current inventory....more
The U.S. Environmental Protection Agency (EPA) has officially extended key compliance deadlines for air toxics standards affecting steel-sector coke oven operations, reflecting industry concerns about the feasibility of...more
As reported in our June 28, 2025, blog item, on June 16, 2025, the U.S. Environmental Protection Agency (EPA) filed a motion with the U.S. Court of Appeals for the Fifth Circuit requesting that litigation over its 2024 final...more
On June 30, 2025, the Organisation for Economic Co-operation and Development (OECD) published a report entitled 2D Titanium Carbide MXenes: Case Study Report on Advanced Materials. Within OECD’s Working Party on Manufactured...more
New research suggests that sewage sludge and wastewater treatment plants are major sources of per- and polyfluoroalkyl substances (PFAS) pollution. Waterkeeper Alliance, in partnership with local Waterkeeper groups and the...more
The Subcommittee on Environment of the United States House of Representatives Energy and Commerce Committee held a June 26th Hearing titled: A Decade Later: A Review of Congressional Action, Environmental Protection...more
On June 16, 2025, the U.S. Environmental Protection Agency (EPA) filed a motion with the U.S. Court of Appeals for the Fifth Circuit requesting that litigation over its 2024 final rule regulating chrysotile asbestos under the...more
The National Municipal Stormwater Alliance (“NMSA”) submitted April 4th comments to the United States Environmental Protection Agency (“EPA”) addressing the proposed Clean Water Act National Pollutant Discharge Elimination...more
On June 17, 2025, the U.S. Environmental Protection Agency (“EPA”) published a proposed rule to repeal the amendments to the Mercury and Air Toxics Standards (“MATS”) adopted by the Biden administration in 2024. These...more
This week, I discuss with Patricia Underwood, Ph.D., DABT, MBA, Chief Toxicologist, Principal Director – Chemical and Material Risk Management, Office of the Assistant Secretary of Defense, Department of Defense, and my...more
EPA has again obtained extensions of the stays in the litigation challenging the MCLs for six PFAS and the litigation challenging the hazardous substance designation for PFOS and PFOA. EPA requested the U.S. Court of...more
The White House’s recent release of the Make America Healthy Again (MAHA) Report marks a significant moment in the national conversation around children’s health and environmental exposure. Published on May 22, 2025, by the...more
The Association of State and Territorial Solid Waste Management Officials (“ASTSWMO”) has published a document tilted: Transitioning Fund-Financed Site Remedies from EPA to the States: A Guide for Project Managers...more
On May 15, 2025, the Center for Environmental Accountability (CEA) filed a petition under Section 21 of the Toxic Substances Control Act (TSCA) requesting that the U.S. Environmental Protection Agency (EPA) reconsider the...more
On 14 May 2025, Environmental Protection Agency (EPA) Administrator Lee Zeldin announced the agency’s plan to address the National Primary Drinking Water Regulations (NPDWR) for per- and polyfluoroalkyl substances (PFAS)...more
On May 14, 2025, EPA announced it will rescind and reconsider regulations setting maximum contaminant levels (MCLs) in drinking water for shorter chain per- and polyfluoroalkyl substances (PFAS) and extend the deadlines for...more
On May 20, 2025, the U.S. Environmental Protection Agency (EPA) released a proposed rule that would extend certain compliance dates in the final risk management rule for methylene chloride under the Toxic Substances Control...more
EPA Administrator Lee Zeldin recently issued a press release that “Announces Major EPA Actions to Combat PFAS Contamination.” As we generally expected, the announcement did not include plans to rescind Biden-era PFAS rules...more