News & Analysis as of

Regulatory Requirements Clean Air Act Environmental Protection Agency (EPA)

Mitchell, Williams, Selig, Gates & Woodyard,...

112(r)/Air Enforcement: U.S. Environmental Protection Agency and Santa Ana, California Chemical Supplier Enter into Expedited...

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

Goldberg Segalla

EPA Grants Coke Plants Breathing Room on Emissions Requirements

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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

Mitchell, Williams, Selig, Gates & Woodyard,...

Title V/Clean Air Act: Center for Biological Diversity Petition to Object Filed Addressing La Paz County, Arizona Gold Mine

The Center for Biological Diversity (“CBD”) filed a June 6th Petition to Object addressing the Bonanza Explorations’, Inc. Clean Air Act Title V Permit renewal.’ The Petition objects to the renewal of a Title V Operating...more

McGlinchey Stafford

EPA Grants Two-Year Extension on Coke Oven Air Toxics Compliance Following Industry Input

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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

Holland & Knight LLP

SCOTUS Clean Air Act Cases: What’s New?

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In this episode of our "An Energized Exchange" podcast series, presented by the Energy & Natural Resources Industry Sector Group, attorneys Andy Kriha, Susan Lafferty and Zach Pilchen break down recent U.S. Supreme Court...more

Beveridge & Diamond PC

What the New Executive Order on “Fighting Overcriminalization in Federal Regulations” Means for Environmental Criminal Enforcement

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On May 9, 2025, President Trump issued Executive Order No. 14294, “Fighting Overcriminalization in Federal Regulations” (EO), which reinforces the administration’s deregulatory agenda. While sweeping in scope, the EO has...more

Jones Day

EPA Proposes Repeal of Greenhouse Gas Standards for Power Plants

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On June 11, 2025, the U.S. Environmental Protection Agency ("EPA") issued a proposed rule to repeal all greenhouse gas ("GHG") emissions standards for fossil fuel-fired electric generating units ("EGUs") under § 111 of the...more

Goldberg Segalla

New Proposed Rules Would Repeal Certain Regulations on Power Plants, Mercury and Air Toxics Standards

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The Trump administration is proposing two repeals: one on regulations of power plants and the other on certain amendments to the 2024 Mercury and Air Toxics Standards. The administration believes these regulations have...more

Vinson & Elkins LLP

EPA Proposes to Repeal Biden-era Regulations Governing Air Toxic Emissions from Coal- and Oil-Fired Power Plants

Vinson & Elkins LLP on

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

Mitchell, Williams, Selig, Gates & Woodyard,...

Title V/Clean Air Act: Environmental Integrity Project Petition to Object Filed Addressing Hawesville, Kentucky Aluminum Smelter...

The Environmental Integrity Project and Kentucky Resources Council (collectively, “EIP”) filed a June 9th Title V Petition to Object (“Petition”) before the United States Environmental Protection Agency (“EPA”) related to...more

Mitchell, Williams, Selig, Gates & Woodyard,...

Title V/Clean Air Act: Center for Biological Diversity Petition to Object Filed Addressing Garfield County, Colorado Compressor...

The Center for Biological Diversity (“CBD”) filed a May 8th Clean Air Act Title V Petition to Object (“Petition”) before the United States Environmental Protection Agency (“EPA”) relating to Bargath, LLC for the Hyrup...more

Vorys, Sater, Seymour and Pease LLP

Why Ohio Businesses Should Continue Environmental Compliance Efforts Amid Federal Shifts

Why Ohio businesses should continue environmental compliance efforts amid federal shifts - During the first Trump administration, federal regulatory policies experienced significant changes under a policy of pro-industry...more

Bergeson & Campbell, P.C.

EPA Issues Emergency Fuel Waiver to Allow Sale of E15 This Summer

The U.S. Environmental Protection Agency (EPA) announced on April 28, 2025, that it has issued an emergency fuel waiver allowing the sale of gasoline blended with 15 percent ethanol (E15) nationwide in summer 2025. EPA notes...more

Mitchell, Williams, Selig, Gates & Woodyard,...

PM 2.5/Clean Air Act: Environmental Organizations Joint Letter to U.S. EPA Opposing Revisiting NAAQS

One hundred environmental organizations transmitted an April 21st letter to the United States Environmental Protection Agency (“EPA”) Administrator asking that the federal agency: …maintain and promptly implement a vital,...more

BCLP

PFAS Air Emissions Restrictions

BCLP on

When evaluating legal risk relating to per- and polyfluoroalkyl substances (“PFAS”), most businesses typically consider wastewater, groundwater, or soil impacts, not air emissions. However, state and federal regulatory...more

Mitchell, Williams, Selig, Gates & Woodyard,...

Synthetic Organic Chemical Manufacturing Industry/Polymers and Resins Industry NESHAP: American Chemistry Council/American Fuel &...

The American Chemistry Council (“ACC”) and American Fuel & Petrochemical Manufacturers (“AFPM”) sent a March 31st letter to the United States Environmental Agency (“EPA”) requesting: …a two-year exemption from the...more

Snell & Wilmer

EPA Steps Back, Arizona Moves Forward

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In a significant development for Arizona’s business community and environmental policymakers, the U.S. Environmental Protection Agency (EPA) has paused its planned reclassification of Maricopa County from “Moderate” to...more

Williams Mullen

Exceptional Events Part of North Carolina Particulate Air Quality Attainment Designation

Williams Mullen on

Effective May 2024, EPA tightened the annual health-based National Ambient Air Quality  Standard (NAAQS) for fine particulate matter (PM2.5) from 12.0 µg/m3 to 9.0 µg/m3. This change was made after a review of the available...more

Williams Mullen

Environmental Notes - April 2025

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Under the Clean Air Act, sources frequently must undergo “New Source Review” (NSR) permitting, which is a pre-construction permitting program. NSR establishes requirements for new or modified sources prior to initiating...more

Williams Mullen

Frequently Asked Air Questions (FAAQs): Synthetic Minor Permits, One-Time Doubling & Sham Permits

Williams Mullen on

Under the Clean Air Act, sources frequently must undergo “New Source Review” (NSR) permitting, which is a pre-construction permitting program. NSR establishes requirements for new or modified sources prior to initiating...more

Holland & Knight LLP

Clean Air Act Rulemakings Don't Follow the Normal Rules – Just Ask the Supreme Court

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Every law student learns that the Administrative Procedure Act (APA) outlines the default rules for how federal agencies propose and finalize regulations and how courts review them. But for many significant actions under the...more

Goldberg Segalla

EPA Introduces New Email Account for Regulated Community to Request Presidential Exemption

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The Environmental Protection Agency announced March 12 it set up an e-mail account allowing the regulated community to request a presidential exemption under Section 112(i)(4) of the Clean Air Act (“CAA”)....more

Cozen O'Connor

EPA Chemical Accident Safety Rule Challenge Ignites AG Conflict

Cozen O'Connor on

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

Hanson Bridgett

Trucks, Trains, and Automobiles: Untangling the Status of California’s Vehicle Emission Waivers

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Vehicle manufacturers and operators in California are no stranger to complex regulations, with the California Air Resources Board’s (CARB) history of pioneering mobile emission regulations. ...more

Jones Day

EPA Puts "Holy Grail" of Climate Change in Crosshairs by Reconsidering Endangerment Finding and Other Regulations

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The U.S. Environmental Protection Agency ("EPA") announced an agenda to revisit numerous regulations addressing the emission of greenhouse gases ("GHGs")....more

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