Fact sheets present the actions, purpose, and background, and how to comment on staff papers associated the review...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: Review of National Ambient Air Quality Standards for Ozone Second Draft Staff Paper, Human Exposure and Risk Assessments and First Draft Environmental Report, July 2006 (PDF)(4 pp, 32 K)
This draft of the Ozone Staff Paper presents initial staff options and conclusions for consideration by the EPA Administrator about whether to retain or revise the existing primary (health-based) and secondary (welfare-based) ozone standards. Staff options and conclusions for the Administrator’s consideration include: range of health-based (primary) 8-hour ozone standards with retention of the current primary standard at 0.08 ppm as well as a revision to an 0.07 ppm, 8-hr standard
- Fact Sheet: Review of National Ambient Air Quality Standards for Ozone Final Staff Paper, Human Exposure and Risk Assessments and Environmental Report, January 2007 (PDF)(4 pp, 45 K)