Ozone (O3) Standards - Litigation Associated with Review Completed in 2015
Litigation associated with the current NAAQS review may involve schedules for the review as well as challenges to the final decisions, and court decisions in these matters.
- Court Decision on 2015 Ozone Rulemaking (8/23/2019) (pdf)
- Order Establishing Schedule for Proposed and Final Rulemakings for Ozone NAAQS Review, April 2014
You may also be interested in other documents from the current ozone NAAQS review.