This page contains the fact sheets for two separate regulations dealing with the nonattainment actions of the 1997 ozone national ambient air quality standards (NAAQS).
You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.- Fact Sheet: Final Rule to Implement the 1997 8-Hour Ozone National Ambient Air Quality Standard: Classification of Areas That Were Initially Classified as Subpart 1 (PDF)(4 pp, 92 K, April 27, 2012)
- Proposed Rule: Reasonable Further Progress Requirements for the 1997 8-hour Ozone National Ambient Air Quality Standard (NAAQS) Fact Sheet (PDF)(2 pp, 22 K, December 15, 2010)