2,110 results found

The D.C. Circuit today largely upheld EPA's 2015 revisions to the National Ambient Air Quality Standard for ozone. I'm not much of a prognosticator

EPA has finally issued a final rule including vapor intrusion in the Hazard Ranking System. The good news is that this is appropriate, because VI is one of the few real hazards regulated...

Efforts by the U.S. Environmental Protection Agency (EPA) to regulate greenhouse gas emissions just cleared a significant hurdle through a recent U.S. Supreme Court decision, ..

EPA's recent finding paves the way for the Agency to develop standards regulating greenhouse gas emissions from aircraft.

A panel of the D.C. Circuit vacated EPA's Summit Directive imposed different regulatory requirements in one region of the country than those in force elsewhere.

On Monday, EPA promulgated amendments to its "Exceptional Events" Rule. The rule is important, particularly in the Western states, and most particularly in connection with EPA's latest iteration of the ozone NAAQS.

The final rule represents the EPA's withdrawal of the once-in-always-in policy and codifies EPA's 2018 guidance on this topic.

On March 15, 2021, EPA finalized the Revised Cross-State Air Pollution Rule ("CSAPR") Update for the 2008 ozone National Ambient Air Quality Standards ("NAAQS").

Yesterday, EPA finalized the Cross-State Air Pollution Rule, or CSAPR, which was the Transport Rule, which had been the Clean Air Interstate Rule.

On Aug. 8, the Environmental Protection Agency (EPA) released updates to its Safer Choice Standard (the "Standard")...

EPA issued what the Agency is calling "Round 1" of final area designations under the 2015 ozone standard on November 6, 2017.

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.

Violators of Emission Control Area requirements face hefty penalties under the Environmental Protection Agency’s new penalty policy.

Earlier this week, on August 21, President Trump's Environmental Protection Agency ("EPA") proposed a rule pursuant to Section 111(d) of the Clean Air Act ("CAA") ...

On January 6, 2023, EPA announced that is was issuing a proposed rule to lower the National Ambient Air Quality Standards ("NAAQS") for fine particulate matter ("PM2.5"), also referred to as soot.

On March 8, 2012, the U.S. Environmental Protection Agency announced a proposed rule representing the final phase of the Agency's three-phase "Tailoring Rule" approach to regulating greenhouse gas emissions from new and modified stationary sources under the Clean Air Act.

EPA has finally proposed revisions to the national ambient air quality standard for PM2.5.

EPA has finally released its proposed replacement for the Clean Power Plan, dubbed the Affordable Clean Energy Rule.