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Regulatory Agenda › National Ambient Air Quality Standards

Foley Hoag LLP - Environmental Law

The D.C. Circuit Vacates Most of EPA’s SSM SIP Call; Generators Breath a Sigh of Relief

Foley Hoag LLP - Environmental Law on

Earlier this month, the District of Columbia Court of Appeals vacated most of EPA’s startup, shutdown, and malfunction SIP Call. The Court’s rationale boils down to EPA’s failure to make a predicate finding that the SIP call...more

Goldberg Segalla

SCOTUS Poised to Shove Thy Neighbor on EPA Law

Goldberg Segalla on

In March 2023, the EPA issued its final Good Neighbor Plan, the last in a series of legislations designed to reduce emissions of ozone-forming nitrogen oxide (NO2) which cross state borders. Specifically, the Plan was...more

Robinson+Cole Environmental Law +

EPA’s Proposal to Tighten the Fine Particulate NAAQS: What's Proposed, Who's Potentially Impacted

Robinson+Cole Environmental Law + on

On January 6, 2023, the U.S. Environmental Protection Agency (the EPA) released a pre-publication copy of a Proposed Rule, which will lower the annual National Ambient Air Quality Standard (NAAQS) for fine particulate matter...more

Foley Hoag LLP - Environmental Law

EPA Proposes to Lower the PM2.5 NAAQS — Searching For the Goldilocks Level

Foley Hoag LLP - Environmental Law on

EPA has finally proposed revisions to the national ambient air quality standard for PM2.5. The Administrator is proposing to lower the standard from 12.0 ug/m3 to a range of 9.0 to 10.0 ug/m3....more

Williams Mullen

Top Five Potential Air Permitting Reforms: How Air Permitting in Virginia Is Poised for Change

Williams Mullen on

The Virginia State Air Pollution Control Board (Air Board) took its first measurable step toward a change in air permitting by creating a Subcommittee on Public Participation Processes (the Subcommittee) on June 21, 2019. The...more

Vinson & Elkins LLP

Could EPA Regulate Methane And Ethane As Volatile Organic Compounds Under The Clean Air Act?

Vinson & Elkins LLP on

On April 6, 2021, more than 400 environmental non-governmental organizations (ENGOs) submitted to EPA a “Petition for Rulemaking to Remove Methane and Ethane from ‘Negligibly Reactive’ Volatile Organic Compounds List.” If...more

Pierce Atwood LLP

Pierce Atwood Environmental Regulatory Compliance Calendar (RCC)

Pierce Atwood LLP on

NEW REGULATORY DEVELOPMENTS - Federal - Maine Massachusetts New Hampshire Nothing to report STATUS OF PREVIOUSLY REPORTED RULES COMPLIANCE DEADLINES For more information, see our mobile-friendly ENViromation Center, an online...more

K&L Gates LLP

Can You Feel New Regulations in the Air? EPA Announces Steps That It Will Take to Reduce Methane and VOC Emissions from Oil and...

K&L Gates LLP on

In recent years, the proliferation of oil and gas production, transmission, and distribution activities in the United States has led to a number of regulatory initiatives by state and federal agencies designed to manage new...more

Pillsbury Winthrop Shaw Pittman LLP

Three Obstacles to EPA’s O3 Rule: Industry Opposition, Implementation, and Congressional Oversight

Pillsbury Winthrop Shaw Pittman LLP on

The U.S. Environmental Protection Agency (EPA) recently proposed revising the national air quality standard for ozone, the key pollutant in smog and regional haze. EPA acknowledges that the rule will cost billions of dollars...more

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