News & Analysis as of

Final Rules State Attorneys General Environmental Protection Agency (EPA)

Cozen O'Connor

EPA Chemical Accident Safety Rule Challenge Ignites AG Conflict

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Sixteen Democratic AGs and the Harris County Attorney (Houston, Texas) have filed a motion to intervene in a lawsuit brought by industry groups challenging the EPA’s denial of their petition for reconsideration of the...more

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Republican AGs Want to Vaporize EPA Rule Imposing Methane Charges

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A group of 23 Republican AGs filed a petition for review in the U.S. Court of Appeals for the D.C. Circuit of the EPA’s Final Rule requiring charges on certain oil and gas producers exceeding Congressional methane emissions...more

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Democratic AGs Pour Support into Limiting PFAS in Drinking Water

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A group of 18 Democratic AGs filed an amicus brief with the U.S. Court of Appeals for the D.C. Circuit in American Water Works Association v. EPA (No. 24-1188) supporting the EPA’s defense of its Final Rule establishing...more

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The State AG Report – 01.09.2025

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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

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Ohio and Kansas AGs Seek Stay of EPA Air Quality Rule by the Supreme Court

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Ohio AG Dave Yost and Kansas AG Kris Kobach have completed briefing on their emergency application with the U.S. Supreme Court to stay the EPA’s “Reconsideration of the National Ambient Air Quality Standards for Particulate...more

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