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Public Health Clean Air Act Environmental Protection Agency (EPA)

Haynes Boone

EPA Proposes Repeal of Legal Foundation for Greenhouse Gas Rules

Haynes Boone on

The U.S. Environmental Protection Agency (EPA) has proposed a major shift in regulatory policy—to rescind the agency’s 2009 “Endangerment Finding” and to repeal all resulting emission standards for new motor vehicles and...more

Jones Day

EPA Initiates Rulemaking to Eliminate the 2009 GHG Endangerment Finding

Jones Day on

The U.S. Environmental Protection Agency ("EPA") proposes rescission of the 2009 Endangerment Finding, which underpins greenhouse gas regulation under the Clean Air Act....more

Jones Day

EPA Proposes Repeal of 2024 Mercury and Air Toxics Standards Amendments

Jones Day on

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

Allen Matkins

California Environmental Law & Policy Update 5.2.25

Allen Matkins on

The White House Council on Environmental Quality (CEQ) circulated a draft template, dated April 8, 2025, to assist federal agencies in updating their procedures for implementing the National Environmental Policy Act (NEPA)....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

K&L Gates LLP

Litigation Minute: Emerging Contaminants: What's on the Horizon?

K&L Gates LLP on

What You Need to Know in a Minute or Less - Emerging contaminants are synthetic or natural chemicals that have not been fully assessed from a health or risk perspective and are reportedly finding their way into consumer...more

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

Nominee for U.S. Environmental Protection Agency Administrator - Lee Zeldin: National Association of Clean Air Agencies Letter of...

The National Association of Clean Air Agencies (“NACAA”) transmitted a December 18, 2024, letter to Lee Zeldin. Mr. Zeldin is President Trump’s nominee for Administrator of the United States Environmental Protection...more

Allen Matkins

California Environmental Law & Policy Update 1.17.25

Allen Matkins on

On Monday, January 13, 2025, California withdrew requests for Clean Air Act waivers from the U.S. Environmental Protection Agency (EPA) needed to support four recently adopted vehicle emissions regulations: 1) the Advanced...more

Seyfarth Shaw LLP

EPA-pocalypse Now!

Seyfarth Shaw LLP on

Seyfarth Synopsis: A second Trump administration is likely to bring sweeping changes to environmental regulatory and enforcement agendas. During the first Trump term, his administration focused on significant deregulation in...more

DarrowEverett LLP

The Future of U.S. Environmental Regulation: What to Expect in 2025

DarrowEverett LLP on

While still a newly minted lawyer early in 1977, I had the good fortune to land a job with the then brand-new Rhode Island Department of Environmental Management. This coincided with the 1976 election of Jimmy Carter as...more

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

Lime Manufacturing Plants/NESHAP: National Lime Association Files Petition for Review before U.S. Court of Appeals for the D.C....

The National Lime Association (“NLA”) filed on September 13th a Petition for Review (“Petition”) before the United States Court of Appeals for the D.C. Circuit challenging the United States Environmental Protection Agency’s...more

Stoel Rives - Environmental Law Blog

The Chevron Doctrine’s Gone, but the APA Lives On

Many speculated on just how much Loper Bright Enterprises v. Raimondo (Loper Bright) would affect agency rulemaking challenges. Well, the D.C. Circuit is showing that that effect maybe milder than expected. Huntsman...more

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

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

Robinson+Cole Environmental Law +

EPA Turns Up the Pressure on Chemical Release Prevention and Preparation

On May 10, 2024, extensive revisions recently adopted by the Environmental Protection Agency (EPA) to the Risk Management Program (RMP) regulations (40 CFR Part 68) will take effect. The revisions, dubbed by EPA as the “Safer...more

Quarles & Brady LLP

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

Quarles & Brady LLP on

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

Troutman Pepper Locke on

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

Ballard Spahr LLP on

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

Bricker Graydon LLP on

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

Jones Day on

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”

Goldberg Segalla on

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

ArentFox Schiff

Environmental Justice Update: Louisiana Decision Upholds Use of EPA Emergency Powers

ArentFox Schiff on

Louisiana has been at the center of the Biden Administration’s prioritization of environmental justice (EJ) issues. In United States v. Denka Performance Elastomer, the Eastern District of Louisiana granted a motion by the...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

Jones Day on

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

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