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Environmental Protection Agency National Ambient Air Quality Standards

The U.S. Environmental Protection Agency is an agency of the United States federal government established in 1970 at the proposal of President Richard Nixon to combat environmental degradation and protect human... more +
The U.S. Environmental Protection Agency is an agency of the United States federal government established in 1970 at the proposal of President Richard Nixon to combat environmental degradation and protect human health. As part of its mission, the EPA enforces regulations affecting a variety of environmental issues, including air and water quality, pesticide-use, fuel economy standards, and nuclear contamination.  less -
Allen Matkins

California Environmental Law & Policy Update - July 2021 #5

Allen Matkins on

California drafts safe limits for PFOA and PFOS in drinking water - Chemical & Engineering News – July 23 - A July 22 draft report from the California Environmental Protection Agency would set a science-based safe...more

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

State Implementation Plans/Clean Air Act: U.S. EPA Office of Inspector General Report

The United States Environmental Protection Agency (“EPA”) Office of Inspector General (“OIG”) issued a June 14th report titled: EPA Has Reduced its Backlog of State Implementation Plans Submitted Prior to 2013 but...more

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

Particulate Matter/Clean Air Act National Ambient Air Quality Standard: U.S. Environmental Protection Agency Announces...

The United States Environmental Protection Agency (“EPA”) announced in a June 10th news release that it will reconsider the Trump Administration’s decision to retain the particulate matter (“PM”) Clean Air Act National...more

Foley Hoag LLP - Environmental Law

EPA Is Reconsidering the PM2.5 NAAQS. The Sooner, the Better.

EPA announced yesterday that it will “reconsider” the Trump EPA’s decision not to change the PM2.5 National Ambient Air Quality Standard. I’ve blogged numerous times about the growing body of evidence that exposure to...more

Foley Hoag LLP - Environmental Law

PM2.5 and Environmental Justice - and Electric Vehicles– and Tires

I’ve frequently discussed in recent years the mounting evidence for the need to lower the National Ambient Air Quality Standard for PM2.5. There is also substantial evidence that PM exposure is an environmental justice issue....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

Holland & Hart LLP

Policy Review Heats Up Under New EPA Administrator Regan

Holland & Hart LLP on

The swearing-in of Michael Regan as EPA Administrator means that open questions on policy, agenda-setting, and prioritization for the Agency will soon be answered. Issues that have risen to the top of the new EPA...more

Foley Hoag LLP - Environmental Law

Have I Mentioned that PM2.5 Is Bad For You?

The evidence of the harm resulting from PM2.5 exposures keeps rolling in. Earlier this month, Environmental Research published an article titled “Global mortality from outdoor fine particle pollution generated by fossil fuel...more

Smith, Gambrell & Russell, LLP

Environmental Groups File Suit to Overturn “Do Nothing” (Ozone Standards)

Environmental groups have sued the EPA to overturn its December 31st rule retaining Obama Era National Ambient Air Quality Standards (NAAQS) for ozone.  The suit alleges that the Trump EPA ignored science and mounting...more

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

Arkansas State Implementation Plan (Infrastructure/2015 Ozone NAAQS): U.S. Environmental Protection Agency Federal Register Notice...

The United States Environmental Protection Agency (“EPA”) issued a February 12th Federal Register Notice approving elements of the State of Arkansas’s State Implementation Plan (“SIP”) for the 2000 Ozone (O3) National Ambient...more

Brownstein Hyatt Farber Schreck

D.C. Circuit Vacates Portions of EPA’s 2018 Ozone Implementation Rule

On Friday Jan. 29, 2021, the United States Court of Appeals for the D.C. Circuit in Sierra Club v. EPA, Case No. 15-1465, struck down several provisions in EPA’s 2018 rule implementing the 2008 National Ambient Air Quality...more

Troutman Pepper

EPA Declines to Revise Air Quality Standards for Particulate Matter and Ozone

Troutman Pepper on

The U.S. Environmental Protection Agency (EPA) has announced its decision to retain the current National Ambient Air Quality Standards (NAAQS) for fine particulate matter (PM2.5) and ozone (O3) under the Clean Air Act....more

Williams Mullen

What’s the Fuss for NOx Sources in Upwind States?

Williams Mullen on

Congress addressed the issue of interstate transport of air pollution in the Clean Air Act by enacting a “Good Neighbor Provision.” That provision requires upwind states to eliminate their contributions to air pollution in...more

Foley Hoag LLP - Environmental Law

In Case You Were Wondering, EPA’s PM2.5 Decision Really Was Horrible

Last month, I posted that EPA’s decision to retain the current PM2.5 NAAQS of 12 ug/m3 was the single worst decision by Trump’s EPA. Since then, I have not received any comments suggesting that my ranking was incorrect. In...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

Foley Hoag LLP - Environmental Law

EPA’s Ozone NAAQS Decision — Perhaps the Statute Itself Deserves Some of the Blame

On December 23, 2020, EPA formalized its decision to leave the ozone NAAQS unchanged, at 70 ppb. I don’t think that this decision is in the same category of egregiousness as EPA’s recent decision not to reduce the PM2.5...more

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

Particulate Matter NAAQS/Clean Air Act: U.S. Environmental Protection Agency Retains Current NAAQS

The United States Environmental Protection Agency (“EPA”) announced it is finalizing a rule to retain the current Clean Air Act National Ambient Air Quality Standard (“NAAQS”) for particulate matter (“PM”). The PM standard...more

Foley Hoag LLP - Environmental Law

EPA Finalizes Decision to Retain the Existing PM2.5 NAAQS — Single Worst Environmental Decision of the Trump Administration?

Yesterday, EPA finalized its decision to retain the existing PM2.5 NAAQS of 12 ug/m3, rejecting substantial scientific evidence that PM2.5 causes significant harm at concentrations below 12 ug/m3. In fact, as noted in one of...more

(ACOEL) | American College of Environmental...

Has The Time Come For A Greenhouse Gas NAAQS? Law Students Will Argue The Issue At The 33rd Annual National Environmental Moot...

One thing that is clear from the 2020 election: the Senate will remain closely divided, with slim majority control to be determined by the two January Senate runoff races in Georgia. President Elect Biden has announced the...more

Troutman Pepper

EPA Proposes Revised Cross-State Air Pollution Rule for the 2008 Ozone NAAQS

Troutman Pepper on

On October 29, EPA published a proposed revision to its Cross State Air Pollution Rule (CSAPR) Update in response to the remand of the rule by the D.C. Circuit. The CSAPR Update was promulgated under the Clean Air Act’s “Good...more

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

Project Emission Accounting/New Source Review: U.S. Environmental Protection Agency Final Clean Air Act Rule

The United States Environmental Protection Agency (“EPA”) announced on October 22nd it had finalized certain New Source Review (“NSR”) regulations associated with the Clean Air Act Prevention of Significant Deterioration...more

Troutman Pepper

Illinois Finalizes Regulations for Direct Implementation of Prevention of Significant Deterioration (PSD) Permitting under the...

Troutman Pepper on

As of September 4, 2020, Illinois has responsibility for direct administration of the Prevention of Significant Deterioration (PSD) permitting program under state regulations, including federal Clean Air Act (CAA)...more

Foley Hoag LLP - Environmental Law

EPA Must Have A Rationale to Survive Arbitrary and Capricious Review

Last week, the 3rd Circuit Court of Appeals vacated EPA’s approval of Pennsylvania’s SIP for attaining the 2008 NAAQS for NOx. Specifically, the Court found that EPA’s approval was arbitrary and capricious with respect to...more

Foley Hoag LLP - Environmental Law

It’s Not Impossible for EPA to Comply with the Good Neighbor Provisions of the Clean Air Act

On Tuesday, Judge John Koeltl ordered EPA to issue a final rule addressing its obligations under the Good Neighbor provisions of the Clean Air Act by no later than March 15, 2021.Two aspects of the decision are worth note...more

Foley Hoag LLP - Environmental Law

What is the Burden on States Petitioning EPA Under the Good Neighbor Provisions of the Clean Air Act?

On July 14, 2020, the D.C.. Circuit Court of Appeals granted New York’s petition appealing EPA’s rejection of New York’s request under Section 126 of the Clean Air Act to require emissions reductions from upwind states...more

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JD Supra Privacy Policy

Updated: Apr 27, 2021:

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Information for EU and Swiss Residents

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Privacy Officer
JD Supra, LLC
10 Liberty Ship Way, Suite 300
Sausalito, California 94965

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California Privacy Rights

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Privacy Officer
JD Supra, LLC
10 Liberty Ship Way, Suite 300
Sausalito, California 94965

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Changes in Our Privacy Policy

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Contacting JD Supra

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Updates to This Policy

We may update this cookie policy and our Privacy Policy from time-to-time, particularly as technology changes. You can always check this page for the latest version. We may also notify you of changes to our privacy policy by email.

Contacting JD Supra

If you have any questions about how we use cookies and other tracking technologies, please contact us at: privacy@jdsupra.com.

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