News & Analysis as of

Final Rules Air Quality Standards

Cozen O'Connor

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

Cozen O'Connor on

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

WilmerHale

EPA and DOI Regulatory Roundup: Air Toxics and Carbon, Coal Ash, Wastewater, Methane, and Offshore Wind

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The Biden-Harris Administration recently issued a suite of new rules aimed at addressing water and air quality, reducing methane emissions, protecting environmental justice communities, and accelerating the nation’s...more

Goldberg Segalla

EPA Issues Final Emission Standards

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The Environmental Protection Agency announced March 20 final national pollution standards applicable to cars, light-duty trucks, and medium-duty vehicles. These standards apply to vehicles manufactured beginning in 2027. The...more

Jenner & Block

EPA Lowers the PM2.5 NAAQS

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On March 6, 2024, EPA published its final rule lowering the primary annual National Ambient Air Quality Standards (“NAAQS”) for fine particulate matter (“PM2.5”) to 9.0 micrograms per cubic meter (“µg/m3”). The new, more...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

Robinson+Cole Environmental Law +

EPA Lowers the Fine Particulate NAAQS: A Closer Look at Implementation and Potential Impacts

On February 7, 2024, the U.S. Environmental Protection Agency (EPA) released its Final Rule lowering the primary annual National Ambient Air Quality Standard (NAAQS) for fine particulate matter (PM 2.5) from the current level...more

Locke Lord LLP

EPA’s New Particulate Rule: A ‎Particular Issue for Industry

Locke Lord LLP on

I. Background. On February 7, 2024, EPA issued a final rule lowering the annual health-based air quality standard for fine particulates (pm 2.5) to 9 ug/m3 from 12 ug/m3. The Rule will impact industries and many...more

Bricker Graydon LLP

US EPA Strengthens Air Quality Standards for Fine Particulate Matter

Bricker Graydon LLP on

Today, on February 7, 2024, U.S. EPA announced its final air quality standard to govern fine particulate matter (PM 2.5), also known as soot.  More specifically, U.S. EPA set an annual health-based national ambient air...more

Holland & Knight LLP

2023 PFAS Year in Review: EPA Policy and Aqueous Film-Forming Foam Litigation Updates

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2023 was a busy year for folks following legal developments related to per- and polyfluoroalkyl substances (PFAS). In December, the U.S. Environmental Protection Agency (EPA) issued its Second Annual Progress Report. Some of...more

Williams Mullen

Environmental Notes - April 2023

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EPA’s Big Plans for 2023: Top Air Rulemakings We Are Watching - An environmental lawyer walks into a cocktail party. An often-asked question is: What is happening at EPA in your world? What should we be watching that...more

Jenner & Block

EPA Finalizes “Good Neighbor Plan” Targeting Ozone-Creating NOx Emissions in 23 States

Jenner & Block on

On March 15, 2023, EPA finalized its Good Neighbor Plan under the Clean Air Act (“CAA”), a rule designed to reduce smog-forming nitrogen oxide ("NOx") pollution from power plants and other industrial facilities in 23 upwind...more

Troutman Pepper

EPA’s Final Industrial Boiler Rule Raises Controversial Topics

Troutman Pepper on

EPA’s standards for hazardous air pollutant (HAP) emissions from industrial boilers have been controversial for nearly two decades. Ever since EPA first proposed “maximum achievable control technology” (MACT) standards for...more

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

Ozone/Clean Air Act: U.S. Environmental Protection Agency Final Rule Retaining Current National Ambient Air Quality Standard

The United States Environmental Protection Agency (“EPA”) issued a final rule retaining the current National Ambient Air Quality Standard (“NAAQS”). This leaves in place the ozone NAAQS that was promulgated during the...more

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

Regional Haze/Arkansas: U.S. Environmental Protection Agency Announces Approval of Five-Year Progress Report

The United States Environmental Protection Agency (“EPA”) published a final rule in the October 1st Federal Register approving the State of Arkansas’s Regional Haze Five-Year Progress Report. See 84 Fed. Reg. 51986. EPA...more

Katten Muchin Rosenman LLP

EPA Issues Final Guidance for States for Consideration of PM2.5 Precursors

On May 30, 2019, the U.S. Environmental Protection Agency (EPA) issued a final memorandum on fine particulate matter (PM2.5) precursor demonstration guidance. Memorandum from Scott Mathias, Acting Director, EPA Air Quality...more

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

Arkansas State Implementation Plan Revisions Approval: August 8th U.S. Environmental Protection Agency Federal Register Notice...

The United States Environmental Protection Agency (“EPA”) published an August 8th Federal Register notice containing a direct final rule that approves revisions to the Arkansas State Implementation Plan (“SIP”). See 83 Fed....more

Snell & Wilmer

Seven Months into the Trump Administration, Outlook of Controversial Obama-Era Ozone Standard Remains Hazy

Snell & Wilmer on

The status of a controversial rule establishing more stringent ambient air quality standards for ozone—promulgated by former President Barack Obama’s Environmental Protection Agency (EPA)—remains unclear following a series of...more

Foley & Lardner LLP

U.S. EPA Issues Revisions to Hazardous Waste Generator Rule, To Be Finalized in October 2016

Foley & Lardner LLP on

The U.S. Environmental Protection Agency published proposed revisions to Hazardous Waste Generator regulations in September 2015. The public comment for the proposed revisions closed at the end of December 2015 and the...more

BakerHostetler

EPA Releases Revised Ozone NAAQS

BakerHostetler on

On October 1, the Environmental Protection Agency issued a prepublication version of a final rule establishing a new National Ambient Air Quality Standard (NAAQS) for ozone. The final rule lowers the primary and secondary...more

Foley Hoag LLP - Environmental Law

EPA Lowers the Ozone Standard to 70 PPB: Industry Isn’t Happy, But It Should Be

On October 1, 2015, EPA finally released its final rule revising the ozone NAAQS to 70 ppb. I do not spend much time peering into a crystal ball, but I will go out on a limb and say that the industry challenges to the rule...more

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