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PFAS Hazardous Substances Regulatory Reform

Nutter McClennen & Fish LLP

Environment & Energy Insights (April 2025)

Welcome to the April edition of Nutter’s Environment & Energy Insights, a periodic update of current trends in environment and energy law. This month we cover: EPA is changing the meaning of “waters of the United States.”...more

ArentFox Schiff

Tennessee Passes Law That Requires ‘Best Science Available’ for PFAS Regulations

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Tennessee lawmakers are setting a new precedent in chemical regulation, including per- and polyfluoroalkyl substances (PFAS), by signing into law an industry-backed bill that requires the use of the “best science available”...more

Pillsbury - PFAS Observer

Wisconsin Budget Debate Rekindles Battle Over State PFAS Liability Exemptions

The question is not whether Wisconsin will act on PFAS—but who should pay the bill. As Wisconsin Governor Tony Evers rolls out a sweeping plan to tackle per- and polyfluoroalkyl substances (PFAS) contamination statewide,...more

Holland & Knight LLP

The PFAS Drinking Water Rule Under the Second Trump Administration

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Major trade associations and water systems filed suit to challenge the Biden-era U.S. Environmental Protection Agency's (EPA) National Primary Drinking Water Rule for six per- and polyfluoroalkyl substances (PFAS) under the...more

Pillsbury - PFAS Observer

Court Grants Additional 30-Day Pause in PFAS Drinking Water Rule Litigation

On April 10, 2025, at the request of the Environmental Protection Agency (EPA), the U.S. Court of Appeals for the District of Columbia Circuit extended the stay by 30 days in American Water Works Association, et al. v. EPA,...more

Pillsbury - PFAS Observer

EPA Signals Potential PFAS Policy Pivot Under New Administrator

In March, EPA Administrator Lee Zeldin addressed top state environmental officials, highlighting the Agency’s priorities for the year ahead. Without committing the EPA to an official stance, Zeldin reaffirmed his commitment...more

MG+M The Law Firm

Maine Takes Lead on PFAS in Food While Easing Product Restrictions

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In January 2025, Maine lawmakers became the first to introduce a bill restricting PFAS levels in food. The proposed bill, SB130, entitled An Act to Establish the PFAS Response Program and to Modify the Fund to Address PFAS...more

Pillsbury - PFAS Observer

Court Approves 60-Day Stays in Legal Battles over Biden-Era PFAS Regulations amid Administration Shift

In a move that signals potential policy shifts under the new administration, the U.S. Court of Appeals for the District of Columbia Circuit granted EPA’s requests for 60-day stays in two high-profile cases challenging...more

Paul Hastings LLP

RCRA Rules Face Hazardous Times

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In an executive order issued February 19, 2025, President Donald Trump instructed federal agency heads to “initiate a process to review all regulations subject to their sole or joint jurisdiction” for purposes of “rescinding...more

Fox Rothschild LLP

Reading Tea Leaves Regarding EPA’s PFAS Agenda Under Administrator Zeldin

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One month into the tenure of new EPA administrator Lee Zeldin, EPA’s initiatives regarding PFAS remain unclear. A read of the tea leaves from Zeldin’s confirmation hearing and the Trump administration’s early actions suggest...more

Seyfarth Shaw LLP

EPA-pocalypse Now!

Seyfarth Shaw LLP on

Seyfarth Synopsis: A second Trump administration is likely to bring sweeping changes to environmental regulatory and enforcement agendas. During the first Trump term, his administration focused on significant deregulation in...more

Stinson LLP

Bottom of the Ninth: Forever Chemical Bans Take Effect in 2025. What's in Your Team Apparel?

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There has been a significant uptick in class action litigation related to sustainability claims, which will only increase after bans in California and New York on forever chemicals in apparel go into effect January 1, 2025....more

Holland & Knight LLP

EPA Designates 2 PFAS Compounds as Hazardous Substances

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The U.S. Environmental Protection Agency (EPA) on April 19, 2024, announced its Final Rule designating two per- and polyfluoroalkyl substances (PFAS) compounds – perfluorooctanoic acid (PFOA) and perfluorooctanesulfonic acid...more

Hinckley Allen

The Next Big Area of Environmental Regulation: PFAS & the Evolving Federal Regulations: Part II (UPDATED)

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This is Part II of a three part series.  Check out Part I, where our attorneys explain what PFAS is, and stay tuned for Part III, where our attorneys delve further into certain state regulations on PFAS....more

Nossaman LLP

EPA’s Enforcement Discretion and Settlement Policy for its PFAS CERCLA Rule | Part II: A Salve or Hot Air?

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PART II - As detailed in Part 1 of this eAlert, on April 19, 2024, the U.S. Environmental Protection Agency (EPA) announced its final rule designating perfluorooctanoic acid (PFOA) and perfluorooctanesulfonic acid (PFOS),...more

Perkins Coie

Two PFAS Designated as CERCLA Hazardous Substances

Perkins Coie on

The U.S. Environmental Protection Agency (EPA) announced a Final Rule on April 19, 2024, designating two of the most common per- and polyfluoroalkyl substances (PFAS)—PFOA and PFOS, including their salts and structural...more

Snell & Wilmer

EPA opens the Door to Widespread Liability to Businesses

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EPA’s listing of two “forever Chemicals” as CERCLA hazardous substances will re-open sites that companies had thought were closed. And every user of a product that contained them may become responsible for a share of the...more

Bodman

EPA Submits Final Rules Identifying PFAS as Hazardous Substances

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The United States Environmental Protection Agency (EPA) has submitted final rules that affect businesses that manufactured or used PFAS substances and establish maximum contaminant levels (MCLs) for drinking water....more

Foley Hoag LLP - Environmental Law

EPA Designates PFAS as Hazardous Substances; EPA Is More Confident Than I Am that the Sky Isn't Fall

Last Friday, EPA formally designated perfluorooctanoic acid (PFOA) and perfluorooctanesulfonic acid (PFOS) – including their salts and structural isomers! – as hazardous substances under CERCLA. I cannot really quarrel with...more

Pierce Atwood LLP

EPA Designates Two PFAS as Hazardous Substances

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On April 19, 2024, the U.S. Environmental Protection Agency (EPA) announced that it was designating two common per- and polyfluoroalkyl substances (PFAS) as hazardous substances under the Comprehensive Environmental Response,...more

Jones Day

EPA Designates PFOA and PFOS as CERCLA Hazardous Substances

Jones Day on

On April 19, 2024, EPA announced its highly anticipated final rule designating two polyfluoroalkyl substances ("PFAS")—perfluorooctanoic acid ("PFOA") and perfluorooctanesulfonic acid ("PFOS")—as "hazardous substances" under...more

Nossaman LLP

EPA Designates Two PFAS as Hazardous Substances Under CERCLA | Part I: Impacts on Potentially Responsible Parties

Nossaman LLP on

On April 19, 2024, the U.S. Environmental Protection Agency (EPA) announced its final rule designating perfluorooctanoic acid (PFOA) and perfluorooctanesulfonic acid (PFOS), two of the most common and well-known per- and...more

Stinson LLP

EPA Finalizes Groundbreaking Rule to Regulate Two PFAS under CERCLA

Stinson LLP on

On Friday, April 19, 2024, the U.S. Environmental Protection Agency (EPA) released a pre-publication version of its Final Rule (the Rule) designating two widely used per- and polyfluoroalkyl substances (PFAS) –...more

Eversheds Sutherland (US) LLP

In long-awaited move, EPA designates two PFAS as hazardous substances and issues PFAS enforcement policy

Capping a flurry of recent activity concerning per- and polyfluoroalkyl substances (PFAS), US EPA on April 19, 2024 designated two PFAS as hazardous substances. Designations of other PFAS are likely to follow. The same day,...more

Greenberg Glusker LLP

US EPA Designates Two PFAS Compounds as "Hazardous Substances" Under CERCLA

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It's finally happened. The US Environmental Protection Agency has designated two widely used PFAS compounds, PFOA and PFOS, as "hazardous substances" under CERCLA....more

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