Tag Archives: Lucinda M. Langworthy

What’s Up with Air Quality Standards for Ozone?

In October 2015, EPA reduced the level of the National Ambient Air Quality Standards (“NAAQS”) for ozone from 75 parts per billion (“ppb”) to 70 ppb. What is happening concerning implementation of those NAAQS? Although litigation over EPA’s decision to lower the ozone NAAQS remains in abeyance as the Trump Administration continues to consider whether … Continue Reading

National Ambient Air Quality Standards for Ozone: With Litigation in Abeyance, What Now?

Litigation concerning the ozone air quality standards that EPA adopted in 2015 has been placed in abeyance, as the Trump administration decides whether to reconsider the standards. The standards remain in effect, however, and statutory implementation deadlines are approaching. What are those deadlines and what options exist for staying the standards until after any reconsideration proceedings are completed?… Continue Reading
LexBlog