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Air Pollution Clean Air Act

McGlinchey Stafford

Supreme Court’s Cert Denials Pave Way for Surge in Environmental Citizen Suits

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In a significant victory for environmental advocacy groups, the Supreme Court’s refusal on June 30, 2025 to grant certiorari in two pivotal cases (Port of Tacoma, et al. v. Puget Soundkeeper Alliance and ExxonMobil Corp., et...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

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Air Enforcement: U.S. Environmental Protection Agency and Willow Island, West Virginia Industrial Coatings Manufacturer Enter into...

The United States Environmental Protection Agency (“EPA”) and Allnex USA Inc. (“Allnex”) entered into a June 11th Consent Agreement (“CA”) addressing alleged violations of an Air Permit. See Docket No. CAA-03-2025-0036....more

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

Air Enforcement: Arkansas Department of Energy and Environment - Division of Environmental Quality and Malvern Brick Manufacturing...

The Arkansas Department of Energy and Environment - Division of Environmental Quality (“DEQ”) and Acme Brick Company (“ABC”) entered into a Consent Administrative Order (“CAO”) addressing an alleged violation of an Air...more

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

Environmental Criminal Enforcement/Clean Air Act: Erie, Pennsylvania Coke Manufacturing Plant Owner Guilty Plea

The United States Attorney’s Office, Western District of Pennsylvania issued a June 20th news release stating that Erie Coke Corporation (“ECC”) has pleaded guilty in federal court to two counts related to alleged criminal...more

Jenner & Block

New EPA Proposal Targets Rollback of Power Plant Emissions Rules

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Two weeks ago, the Environmental Protection Agency (EPA) released its proposed repeal of the rules governing greenhouse gas emissions from fossil fuel-fired power plants. Included within the proposal is a new legal...more

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Air Enforcement: Missouri Department of Natural Resources and Saint Louis County Dry Minerals Products Mixing/Packaging Plant...

The Missouri Department of Natural Resources (“MDNR”) and Quickrete Companies, LLC (“QC”) entered into a May 12th Administrative Order on Consent (“AOC”) addressing an alleged violation of an Air Permit. See No APCP-2025-026....more

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

Citizen Suit Action/Clean Air Act: Southern Environmental Law Center Notice of Intent to Sue Memphis, Tennessee Data Center

The Southern Environmental Law Center (“SELC”), on behalf of the National Association for the Advancement of Colored People, sent a June 17th Notice of Intent to Sue (“Notice”) to various entities stated to be associated with...more

Holland & Knight LLP

EPA Launches Comment Period on Power Plant Climate and Air Toxics Rules

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The U.S. Environmental Protection Agency (EPA) proposes to eliminate greenhouse gas regulations for power plants after concluding that power plants do not "contribute significantly" to dangerous air pollution or,...more

Jones Day

EPA Proposes Repeal of 2024 Mercury and Air Toxics Standards Amendments

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On June 11, 2025, the U.S. Environmental Protection Agency ("EPA") announced a proposed rule to repeal key amendments to the 2024 Mercury and Air Toxics Standards ("MATS") for coal- and oil-fired electric utility steam...more

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

Air Enforcement: Mississippi Commission on Environmental Quality and Grenada County Lumber Company Enter into Agreed Order

The Mississippi Commission on Environmental Quality (“MCEQ”) and Hankins Lumber Company Inc. (“Hankins”) entered into an April 30th Agreed Order (“AO”) addressing an alleged violation of an Air Permit. See Order No. 7490 25....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,...

Air Enforcement: Arkansas Department of Energy and Environment - Division of Environmental Quality and White County Compressor...

The Arkansas Department of Energy and Environment - Division of Environmental Quality (“DEQ”) and Merit Energy Company, LLC (“Merit”) entered into a May 15th Consent Administrative Order (”CAO”) addressing an alleged...more

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

Air Enforcement: Arkansas Department of Energy and Environment - Division of Environmental Quality and Little Rock Fabricated...

The Arkansas Department of Energy and Environment - Division of Environmental Quality (“DEQ”) and W & W – Afco Steel LLC (“Afco”) entered into a May 8th Consent Administrative Order (“CAO”) addressing alleged violations of an...more

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

Air Enforcement: U.S. Environmental Protection Agency and Portland, Oregon Electroplating Facility Enter into Consent Agreement

The United States Environmental Protection Agency (“EPA”) and East Side Plating, Inc. (“ESP”) entered into a March 13th Consent Agreement (“CA”) addressing alleged violations of an air permit. See Docket No. CAA-10-2024-0040....more

Allen Matkins

California Environmental Law & Policy Update 6.6.25

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On May 29, 2025, the Supreme Court held that the National Environmental Policy Act (NEPA) — which requires federal agencies to analyze the environmental impacts of projects that they perform, fund, or approve — does not...more

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

Air Enforcement: Mississippi Commission on Environmental Quality and Bay St. Louis Activated Carbon Manufacturing Facility Enter...

The Mississippi Commission on Environmental Quality (“MCEQ”) and Calgon Carbon Corporation (“Calgon”) entered into a May 12th Agreed Order (“AO”) addressing alleged violations of an air permit. See Order No. 7491 25....more

Troutman Pepper Locke

FERC Affirms Authorizations for Venture Global’s LNG Export Terminal and Pipeline

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On May 23, 2025, FERC upheld on rehearing its prior orders authorizing Venture Global CP2 LNG, LLC to build a new liquified natural gas (“LNG”) export terminal (“CP2 LNG Terminal”) and granting Venture Global CP Express, LLC...more

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

Air Enforcement: Arkansas Department of Energy and Environment - Division of Environmental Quality and Howard County Gypsum...

The Arkansas Department of Energy and Environment - Division of Environmental Quality (“DEQ”) and Certainteed Gypsum Manufacturing, Inc. (“CGM”) entered into a May 15th Consent Administrative Order (“CAO”) addressing alleged...more

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

Air Enforcement: Alabama Department of Environmental Management and Calhoun County Fiber/Particleboard Manufacturing Facility...

The Alabama Department of Environmental Management (“ADEM”) and Kronospan, LLC (“Kronospan”) entered into a May 28th Consent Order (“Order”) addressing an alleged violation of the Alabama Air regulations. See Consent Order...more

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State Air Trends & Successes: Association of Air Pollution Control Agencies Issues 2025 Report

The Association of Air Pollution Control Agencies ("AAPCA") issued the 2025 edition of its annual report titled: State Air Trends & Successes ("Report")....more

Foley Hoag LLP - Environmental Law

The 5th Circuit Rejects EPA's Nonattainment Designations in Texas; Don't Blame Loper Bright

On May 16, in Texas v. EPA, the 5th Circuit Court of Appeals rejected EPA’s nonattainment designation for two counties in Texas. What I find most interesting about the case is the reaction to it. Inside EPA (subscription...more

McGlinchey Stafford

5th Circuit Establishes New Standard for EPA on Sulfur Dioxide Omissions

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On May 16, 2025, the U.S. Court of Appeals for the Fifth Circuit issued a significant ruling in a longstanding dispute between the Texas Commission on Environmental Quality (TCEQ) and the U.S. Environmental Protection Agency...more

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