News & Analysis as of

Rulemaking Process › Regulatory Requirements › Air Pollution

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

PM 2.5/Clean Air Act: Environmental Organizations Joint Letter to U.S. EPA Opposing Revisiting NAAQS

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

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

Holland & Knight LLP

Clean Air Act Rulemakings Don't Follow the Normal Rules – Just Ask the Supreme Court

Holland & Knight LLP on

Every law student learns that the Administrative Procedure Act (APA) outlines the default rules for how federal agencies propose and finalize regulations and how courts review them. But for many significant actions under the...more

King & Spalding

Emerging Regulation, Enforcement, and Litigation Involving Ethylene Oxide, a Critical Substance for Sterilizing Medical Products...

King & Spalding on

Ethylene oxide (“EtO”), one of the most widely used and effective substances for sterilizing medical products and devices, has come under intense scrutiny by the Environmental Protection Agency (“EPA”), the Food and Drug...more

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