News & Analysis as of

Final Rules Environmental Litigation Environmental Protection Agency (EPA)

Goldberg Segalla

Does EtO’s Recent Regulatory Battle Victory Mean It Will Win the War?

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Following years of heightened concern about the dangers of exposure to ethylene oxide (EtO), increased regulatory oversight, and a steady hum of litigation, in 2025 it seems like things might be changing for the beleaguered...more

Bergeson & Campbell, P.C.

EPA Withdraws Motion to Hold Asbestos Case in Abeyance, Will Explore Using Guidance to Clarify Workplace Protection Requirements 

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

Pillsbury - PFAS Observer

D.C. Circuit Grants Latest Abeyance Extension in PFAS MCL Litigation

On June 5, 2025, the U.S. Court of Appeals for the D.C. Circuit granted the EPA’s third request to continue holding in abeyance consolidated litigation challenging the agency’s national drinking water regulation for six per-...more

Fox Rothschild LLP

Litigation Over PFAS Designation as Hazardous Substances Remains on Hold

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On April 30, 2025, the U.S. Court of Appeals for the D.C. Circuit granted an additional 30-day abeyance in the challenge to EPA’s Final Rule designating Perfluorooctanoic Acid (PFOA) and Perfluorooctanesulfonic Acid (PFOS) as...more

King & Spalding

Defining Waters of the United States: EPA and Army Corps Seek Public Input on New WOTUS Rule

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After more than 50 years, EPA and the Army Corps of Engineers (“the Agencies”) continue to struggle to find a durable definition of “waters of the United States” (“WOTUS”) in the Clean Water Act, leaving the regulated...more

Bracewell LLP

EPA and the Army Make More Waves on WOTUS

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On March 12, the Environmental Protection Agency and the Office of the Assistant Secretary of the Army took steps to address lingering questions about the meaning and implementation of “waters of the United States” (WOTUS)...more

BakerHostetler

Regulating Automotive Emissions: Part IV - Emissions Litigation To Watch

BakerHostetler on

With several pending litigations challenging federal emissions and fuel economy standards, the automotive industry is likely to see continued disruption at a time when it seeks stability....more

Cozen O'Connor

The State AG Report – 01.09.2025

Cozen O'Connor on

Here are curated AG and federal regulatory news stories highlighting key areas in which state and federal regulators’ decisions are having an impact across the US: •Maryland’s Lawsuit Adds to Growing Wave of PFAS Litigation...more

Bergeson & Campbell, P.C.

Appellate Court Vacates Requirement that Downstream Entities Reporting by Non-Confidential Accession Number Assert CBI Claims

On December 20, 2024, the U.S. Court of Appeals for the District of Columbia Circuit denied the Environmental Defense Fund’s (EDF) petition and granted the American Chemistry Council (ACC) and American Fuel and Petrochemical...more

Maron Marvel

PFAS Enforcement Discretion and Settlement Policy Under CERCLA

Maron Marvel on

On April 17, 2024, the EPA signed a final rule to designate PFOA and PFOS as hazardous substances under the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA), also known as Superfund. The...more

Perkins Coie

Two PFAS Designated as CERCLA Hazardous Substances

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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

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

Ballard Spahr LLP

EPA Mandates Broad PFAS Reporting Under TSCA

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Summary - The Environmental Protection Agency (EPA) recently finalized the Toxic Substances Control Act (TSCA) Reporting Rule for PFAS— its broadest regulation to-date on per- and polyfluoroalkyl substances (PFAS),...more

Foley Hoag LLP - Environmental Law

The Trump Administration Suffers Yet One More Judicial Defeat; The “Secret Science” Rule Is Vacated

Last month, I noted that the Trump administration had suffered “one final judicial defeat” – the rejection of its Affordable Clean Energy Rule. Of course, I spoke to soon. Last week, Judge Brian Morris rejected EPA’s rule...more

Williams Mullen

The Fate of the CCR Rule “is” Still in Dispute

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In May of last year, Environmental Notes reported on the many petitions that had been filed challenging EPA’s 2015 promulgation of a final waste management rule addressing the management and disposal of coal combustion...more

Foley Hoag LLP - Environmental Law

Prognosticating the Ozone Standard Litigation: EPA to Win, Environmental Petitioners to Place, Murray Energy to Show

Last week, the “Public Health and Environmental Petitioners” challenging EPA’s decision not to reduce the ozone standard below 0.070 ppm filed their “Non-Binding Statement of Issues.” My crystal ball still tells me that the...more

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