News & Analysis as of

Air Pollution Clean Air Act Public Health

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,...

Community Air Monitoring and Notification System Task Force: Louisiana Department of Environmental Quality Releases Final Report

The Louisiana Department of Environmental Quality (“LDEQ”) issued an April 28th news release announcing the release of the Final Report on the Community Air Monitoring and Notification System Task Force (“Task Force”)....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

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

FY 2026 Federal Grant Funding for State and Local Clean Air Agencies: National Association of Clean Air Agencies Recommendations

The National Association of Clean Air Agencies (“NACAA”) issued a document titled: Recommendations for FY 2026 Federal Grant Funding for State and Local Clean Air Agencies (“Recommendations”)....more

Goldberg Segalla

New York Fighting the Federal Government to Clear the Air on Congestion Pricing

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Ask any New Yorker what their top five complaints are about the city and either “traffic” or “gridlock” (or both) are all but certain to be represented. Indeed, you don’t get to be called “the Business Capital of the World”...more

Troutman Pepper Locke

Texas BACT Is a Fact: The Texas Supreme Court Unpacks the Texas Clean Air Act’s BACT Definition

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Port Arthur Community Action Network (PACAN) v. Texas Commission on Environmental Quality et al. (Tex. Feb. 14, 2025) presented the Texas Supreme Court with a unique opportunity to provide defined guideposts to understand...more

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

Odor/Air Enforcement: Massachusetts Attorney General Files Judicial Action Against Grafton Animal Feed Dehydrator Operation

The Massachusetts Attorney General (“AG”) on behalf of the Commonwealth of Massachusetts filed on October 16th a civil action in the Superior Court alleging that: …Feedback Earth, Inc. (“Feedback Earth”) is generating...more

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Air Quality Standards Implementation Act of 2024: U.S. House of Representatives Passes Legislation Addressing NAAQS Development...

The United States House of Representatives passed by partisan vote legislation denominated H.R. 7650 that would amend the Clean Air Act titled: “Air Quality Standards Implementation Act of 2024” (“Act”). The Act...more

Quarles & Brady LLP

Industry not Breathing Easier Following Issuance of New Air Quality Standards for Fine Particulate Matter

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On March 6, 2024, the United States Environmental Protection Agency (EPA) published in the Federal Register its long-awaited reconsideration of the National Ambient Air Quality Standard (NAAQS) for particulate matter (PM). In...more

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

Particulate Matter/Revised National Ambient Air Quality Standard: 24 State Attorneys General (including Arkansas) Challenge U.S....

Twenty-four State Attorneys General filed a Petition for Review (“Petition for Review”) in the United States Court of Appeals for the District of Columbia Circuit challenging a United States Environmental Protection Agency...more

Troutman Pepper Locke

EPA Lowers Annual PM2.5 NAAQS, With Immediate Impacts for Air Permitting

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Exercising one of its most important and far-reaching powers under the Clean Air Act, the Environmental Protection Agency (EPA) has lowered the primary annual National Ambient Air Quality Standard (NAAQS) for fine particulate...more

Ballard Spahr LLP

EPA Proposes to Extend Air Transport Rule to Five More States

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The Environmental Protection Agency (EPA) intends to require power plants and other stationary sources in five additional states to comply with the Good Neighbor Plan to ensure that these states do not unlawfully contribute...more

Bricker Graydon LLP

U.S. EPA Good Neighbor Plan Update

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On August 4, 2023, the United States Environmental Protection Agency’s (U.S. EPA) “Good Neighbor Plan (GNP)” went into effect, requiring power plants and certain industrial facilities to implement emissions reductions through...more

Jones Day

EPA Proposes New Waste Combustion Emissions Limits Under the Clean Air Act

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Proposed rules would increase the stringency of Clean Air Act standards applicable to facilities that burn 250 tons or more of municipal solid waste per day. Among the U.S. Environmental Protection Agency's ("EPA") latest...more

Goldberg Segalla

Supreme Court Agrees to Hear Challenges to the EPA “Good Neighbor Plan”

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The Environmental Protection Agency, under the Clean Air Act, requires states to work with the EPA to address the interstate transport of air pollution. Under the “Good Neighbor Plan,” the EPA requires each state to implement...more

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

Ozone/Clean Air Act: U.S. Environmental Protection Agency Announces New Review of National Ambient Air Quality Standard

The United States Environmental Protection Agency (“EPA”) announced it is initiating a new review of the Ozone National Ambient Air Quality Standard (“NAAQS”). EPA states it is taking this action based on advice provided...more

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

Small/Intermediate Gasoline Bulk Storage Plants/NESHAP: Congressional Letter to U.S. Environmental Protection Agency Requesting...

A combined 82 Senators and Members of the United States House of Representatives sent a May 22nd letter to United States Environmental Protection Agency Administrator Michael Regan addressing certain aspects of EPA’s proposed...more

Jones Day

EPA Proposes Stricter Mercury and Air Toxics Standards for Power Plants

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The Environmental Protection Agency ("EPA") has announced a new proposed rule that would strengthen the National Emission Standards for Hazardous Air Pollutants ("NESHAP") for Coal- and Oil- Fired Electric Utility Steam...more

Bricker Graydon LLP

Sixth Circuit Ruling on Ohio’s Air Nuisance Rule

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On February 10, 2023, the Sixth Circuit issued an opinion in Sierra Club, et al. v. U.S. EPA, et al., (Case No. 21-3057). The case involved a petition for review filed by the Sierra Club, the Ohio Environmental Council, and...more

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

Mercury and Toxic Standards for Power Plants: U.S. Environmental Protection Agency Final Rule Reaffirming Appropriate and...

The United States Environmental Protection Agency (“EPA”) published on February 15th a final rule reaffirming its decision that it remains appropriate and necessary to regulate hazardous air pollutants (“HAP”) from power...more

Robinson+Cole Environmental Law +

EPA’s Proposal to Tighten the Fine Particulate NAAQS: What's Proposed, Who's Potentially Impacted

On January 6, 2023, the U.S. Environmental Protection Agency (the EPA) released a pre-publication copy of a Proposed Rule, which will lower the annual National Ambient Air Quality Standard (NAAQS) for fine particulate matter...more

Barnea Jaffa Lande & Co.

"Dieselgate" Effect: Israel Changes Rules of Game for Class Actions over Environmental Damage

Barnea Jaffa Lande & Co. on

The Tel Aviv District Court recently allowed a motion to certify a class action against the Volkswagen Group and its importer in Israel, Champion Motors Ltd. The class action focuses on the Dieselgate scandal, after an...more

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

Public Health Air Quality Act of 2022: Congressional Legislation Introduced to Expand Fenceline/Ambient Air Monitoring

Congressman Rochester (Delaware) and Senator Duckworth (Illinois) have introduced S.4510 which is denominated the Public Health Air Quality Act of 2022 (“S.4510”). The legislation addresses Clean Air Act monitoring...more

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

NESHAP/Clean Air Act: U.S. Environmental Protection Agency Proposes Technology Review and Standards of Performance for Bulk...

The United States Environmental Protection Agency (“EPA”) issued last week a prepublication proposed rule addressing Clean Air Act National Emission Standards for Hazardous Air Pollutants (“NESHAP”) for Gasoline Distribution...more

Jenner & Block

U.S. EPA’s Addition of 1-BP to CERCLA Hazardous Substance List Likely Precursor to Similar Actions on PFAS

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On April 8, 2022, U.S. EPA added the industrial solvent 1-bromopropane (1-BP) to its list of CERCLA hazardous substances; this listing was triggered by U.S. EPA’s decision to add 1-BP to the Clean Air Act’s list of hazardous...more

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