Seth Jaffe

Seth Jaffe

Foley Hoag LLP

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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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