This document provides and overview of the requirements for the March 2008 Final Rule for National Ambient Air Quality Standards (NAAQS) for Ozone.
For more information on the NAAQS, visit the 2008 National Ambient Air Quality Standards (NAAQS) for Ozone page.
You will need Adobe Reader to view some of the files on this page. See EPA’s About PDF page to learn more.- Fact Sheet- 2008 Final Revisions to the National Ambient Air Quality Standards for Ozone (PDF)(6 pp, 41 K, March 2008)