News & Analysis as of

Environmental Protection Agency (EPA) Clean Air Act Regulatory Requirements

BCLP

PFAS Air Emissions Restrictions

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When evaluating legal risk relating to per- and polyfluoroalkyl substances (“PFAS”), most businesses typically consider wastewater, groundwater, or soil impacts, not air emissions. However, state and federal regulatory...more

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

Synthetic Organic Chemical Manufacturing Industry/Polymers and Resins Industry NESHAP: American Chemistry Council/American Fuel &...

The American Chemistry Council (“ACC”) and American Fuel & Petrochemical Manufacturers (“AFPM”) sent a March 31st letter to the United States Environmental Agency (“EPA”) requesting: …a two-year exemption from the...more

Snell & Wilmer

EPA Steps Back, Arizona Moves Forward

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In a significant development for Arizona’s business community and environmental policymakers, the U.S. Environmental Protection Agency (EPA) has paused its planned reclassification of Maricopa County from “Moderate” to...more

Williams Mullen

Exceptional Events Part of North Carolina Particulate Air Quality Attainment Designation

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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 2025

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Under the Clean Air Act, sources frequently must undergo “New Source Review” (NSR) permitting, which is a pre-construction permitting program. NSR establishes requirements for new or modified sources prior to initiating...more

Williams Mullen

Frequently Asked Air Questions (FAAQs): Synthetic Minor Permits, One-Time Doubling & Sham Permits

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Under the Clean Air Act, sources frequently must undergo “New Source Review” (NSR) permitting, which is a pre-construction permitting program. NSR establishes requirements for new or modified sources prior to initiating...more

Holland & Knight LLP

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

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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

Goldberg Segalla

EPA Introduces New Email Account for Regulated Community to Request Presidential Exemption

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The Environmental Protection Agency announced March 12 it set up an e-mail account allowing the regulated community to request a presidential exemption under Section 112(i)(4) of the Clean Air Act (“CAA”)....more

Cozen O'Connor

EPA Chemical Accident Safety Rule Challenge Ignites AG Conflict

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Sixteen Democratic AGs and the Harris County Attorney (Houston, Texas) have filed a motion to intervene in a lawsuit brought by industry groups challenging the EPA’s denial of their petition for reconsideration of the...more

Hanson Bridgett

Trucks, Trains, and Automobiles: Untangling the Status of California’s Vehicle Emission Waivers

Hanson Bridgett on

Vehicle manufacturers and operators in California are no stranger to complex regulations, with the California Air Resources Board’s (CARB) history of pioneering mobile emission regulations. ...more

Jones Day

EPA Puts "Holy Grail" of Climate Change in Crosshairs by Reconsidering Endangerment Finding and Other Regulations

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The U.S. Environmental Protection Agency ("EPA") announced an agenda to revisit numerous regulations addressing the emission of greenhouse gases ("GHGs")....more

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

Title V/Clean Air Act: Harris County, Texas Petition to Object Filed Addressing Deer Park Chemical Manufacturing Facility

Harris County, Texas filed a March 10th Title V Petition to Object (“Petition”) before the United States Environmental Protection Agency (“EPA”) Administrator related to the Lubrizol Corporation’s Deer Park Plant (“Plant”)....more

Beveridge & Diamond PC

RMP Rulemaking Redux

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The U.S. Environmental Protection Agency’s (EPA) Risk Management Program (RMP) regulations, 40 C.F.R. Part 68, appear to be headed back to rulemaking. These much-debated provisions have been amended, rescinded, and...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

Morrison & Foerster LLP

Advanced Clean Fleets Regulations No Longer in Force for Most Fleet Operators and Owners

In the face of the Trump administration’s hostility toward California’s Clean Air Act waivers in general, CARB withdrew its request to EPA for a waiver for the Advanced Clean Fleets (ACF) regulation on January 13, 2025....more

Beveridge & Diamond PC

Ten Strategies to Use When eNGOs FOIA EPA to Prepare for Citizen Suits

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Environmental non-governmental organizations (eNGOs) looking to develop citizen suits typically first mine publicly available compliance information companies must submit to state and federal environmental agencies. eNGOs...more

Goldberg Segalla

California Withdraws EPA Waiver Request for Zero-Emission Advanced Clean Fleet Regulations

Goldberg Segalla on

California’s Air Resources Board (CARB) on Jan. 13 sent a letter to withdraw its request to the Environmental Protection Agency pursuant to Sections 209(b) of the Clean Air Act (CAA) for a federal waiver that would require...more

Holland & Knight LLP

Impacts of a Trump EPA on Chemical Transporters' Reliance on In-Transit Exemptions

Holland & Knight LLP on

The global bulk chemical shipping industry relies on chemical transportation depots to be responsive to market demands by temporarily holding trailers and containers of chemical products en route to their final destinations...more

Goldberg Segalla

EPA Finishes Risk Evaluation of 1,4-Dioxane under TSCA, Initiates Risk-Management Actions

Goldberg Segalla on

Over the last six years, our firm has written extensively about 1,4-Dioxane, from U.S. EPA’s proclamations to state laws and regulations, litigation, and distinctions between federal and state perspectives. (see compilation...more

Foley & Lardner LLP

Development in Southeast Wisconsin Will Once Again be Hampered by Clean Air Rules

Foley & Lardner LLP on

New U.S. Environmental Protection Agency (EPA) air quality standards and pollution migrating from upwind states will impact growth and development in southeastern Wisconsin, beginning on January 16, 2025....more

Foley & Lardner LLP

Foley Automotive Update - December 2025 - 2

Foley & Lardner LLP on

Foley & Lardner announced the 2024 installment of its Auto Trends series—A Year in Review: Updates, Trends and the Road Ahead. This series delves deep into the transformative forces shaping the automotive world by providing...more

Foley Hoag LLP - Energy & Climate Counsel

Supreme Court Refuses to Halt EPA Power Plant Emissions Rule Pending Federal Appeal

On October 16, 2024, the United States Supreme Court shot down requests from states and industry groups to stay the implementation of the Environmental Protection Agency’s (EPA) rule to reduce carbon emissions from coal-fired...more

Oberheiden P.C.

EPA Compliance in 2024: 10 Key Areas of Concern (and 5 Tips for Success)

Oberheiden P.C. on

Companies in a wide range of industries are subject to the oversight of the United States Environmental Protection Agency (EPA). The EPA enforces numerous environmental laws, environmental regulations, and executive orders to...more

Foley Hoag LLP - Environmental Law

The D.C. Circuit Affirms EPA’s Reinstatement of California’s Authority to Set Auto Emissions Limits; Don’t Get Too Excited About...

On Tuesday, in Ohio v. EPA, the D.C. Circuit Court of Appeals denied several challenges to EPA’s decision to restore California’s authority under § 209(b) of the Clean Air Act to regulate emissions from motor vehicles. It’s...more

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

Hazardous Waste Enforcement: U.S. Environmental Protection Agency and Portland, Oregon Plating Facility Enter into Consent...

United States Environmental Protection Agency (“EPA”) and East Side Plating, Inc. (“East Side”) entered into a March 13th Consent Agreement and Final Order (“CAFO”) addressing alleged violations of the Clean Air Act...more

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