News & Analysis as of

National Ambient Air Quality Standards Environmental Policies Rulemaking Process

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

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 2023

Williams Mullen on

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

Shumaker, Loop & Kendrick, LLP

Environmental Update - March 2020 (Issue 12)

Welcome to the Shumaker, Loop & Kendrick, LLP Environmental Update; a monthly publication dedicated to providing content regarding Ohio administrative and regulatory law, as well as up to date information on the Ohio EPA's...more

Shumaker, Loop & Kendrick, LLP

Environmental Update - February 2020 (Issue 11)

Welcome to the Shumaker, Loop & Kendrick, LLP Environmental Update; a monthly publication dedicated to providing content regarding Ohio administrative and regulatory law, as well as up to date information on the Ohio EPA's...more

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