Seth Jaffe

Seth Jaffe

Foley Hoag LLP

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Latest Posts › NAAQS


EPA Lowers the Ozone Standard to 70 PPB: Industry Isn’t Happy, But It Should Be

On October 1, 2015, EPA finally released its final rule revising the ozone NAAQS to 70 ppb. I do not spend much time peering into a crystal ball, but I will go out on a limb and say that the industry challenges to the rule...more

10/2/2015 - Air Quality Standards EPA Final Rules NAAQS Ozone

The D.C. Circuit Sends EPA Back to the Drawing Board to Fix Its Transport Rule Emissions Budgets

The Clean Air Act’s good neighbor provision prohibits upwind states from emitting air pollutants in amounts that will “contribute significantly to nonattainment” of a national ambient air quality standard in a downwind state....more

7/30/2015 - Air Quality Standards Appeals Clean Air Act EPA EPA v EME Homer City NAAQS

Half a Loaf May Not Be Too Bad: The 9th Circuit Affirms Most of EPA’s Approval of the San Joaquin Valley SIP

Earlier this week, the 9th Circuit Court of Appeals granted part of a petition challenging EPA’s approval of California’s SIP for ozone and PM 2.5 in the San Joaquin Valley.  While the trade press has been focusing on the...more

5/26/2015 - Appeals Energy Sector EPA NAAQS Ozone SIP

EPA Does Not Have a Nondiscretionary Duty to Revise PSD Regulations When It Amends a NAAQS

On Monday, the 9th Circuit Court of Appeals ruled that EPA does not have an obligation to amend PSD regulations for a criteria pollutant within two years of revising the National Ambient Air Quality Standard for that...more

12/4/2014 - Appeals Clean Air Act EPA NAAQS PSD

How Low Will They Go? A Lower Ozone NAAQS Begins to Have An Air of Inevitability

On Friday, EPA released its “Policy Assessment for the Review of the Ozone National Ambient Air Quality Standards.” EPA staff concluded: that it is appropriate in this review to consider a revised primary O3 standard level...more

9/4/2014 - Air Quality Standards EPA NAAQS

You Can’t Estop the Government — Even When It Wants to Be Estopped

Last week, the 9th Circuit Court of Appeals issued a decision that arguably explains everything from why the Tea Party exists to why otherwise calm and sane executives suddenly lose all their hair. Perhaps most astounding,...more

8/22/2014 - Clean Air Act Environmental Policies EPA NAAQS Power Plants

Coming To An Air Quality District Near You: A More Stringent Ozone NAAQS

As we have noted previously, EPA has had difficulty in promulgating a revised National Ambient Air Quality Standard for ozone. Whenever the revised NAAQS is issued – and EPA is under court deadline to propose a draft by...more

5/14/2014 - Environmental Policies EPA NAAQS Regulatory Standards

EPA On Track to Regulate Fine Particulates More Stringently: D.C. Circuit Affirms Revised PM 2.5 NAAQS

EPA’s judicial winning streak continues. Today, the D.C. Circuit Court of Appeals affirmed EPA’s regulations lowering the PM 2.5 National Ambient Air Quality Standard from 15.0 ug/m3 to 12.0 ug/m3. This was not a close case...more

5/12/2014 - Appeals EPA NAAQS

Mississippi v. EPA: Support of the Clean Air Science Advisory Committee is Not Necessary to Affirm EPA’s NAAQS

On Tuesday, in Mississippi v. EPA, the Court of Appeals for the D.C. Circuit affirmed EPA’s 2008 NAAQS for ozone of 0.075 ppm. However, it remanded EPA’s decision to set the secondary NAAQS, for public welfare, at the same...more

7/25/2013 - Clean Air Act Environmental Impact Report Environmental Policies Environmental Review EPA NAAQS

Section 126 of the Clean Air Act and Cooperative Federalism: EPA May Cooperate with the Downwind State Rather than the Upwind...

On Friday, in GenOn REMA v. EPA, the 3rd Circuit Court of Appeals ruled that, in response to a petition from a downwind state under § 126 of the Clean Air Act, EPA may issue a rule imposing emission limits on a source in the...more

7/16/2013 - Air Pollution Clean Air Act Environmental Claims Environmental Liability EPA NAAQS SIP

More Than Four Years Later, the Bush EPA Is Still Losing Court Decisions

On Friday, the Court of Appeals for the District of Columbia Circuit rejected EPA’s approach to implementation of the PM2.5 NAAQS. The fine particulate NAAQS was first published in 1997, and EPA issued implementation rules...more

1/8/2013 - EPA NAAQS

Yawn: EPA Promulgates New Fine Particulate Standard

On Friday, EPA announced promulgation of its revised fine particulate, or PM2.5, NAAQS. Why am I yawning? Let me count the ways...more

12/17/2012 - EPA NAAQS

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