Ozone (O3) Air Quality Standards - Documents from Review Completed in 2008 (including documents related to reconsideration)
Federal Register Notices / Public Hearings
-Rulemaking Notices / Public Hearings
- Proposed Revisions to O3 NAAQS - Jan 19, 2010
- Announcement of Public Hearings for Proposed Revisions in Reconsideration of 2008 O3 NAAQS - Jan 12, 2010
- Final Revisions to the O3 NAAQS - March 27, 2008
- Announcing Public Hearings on O3 NAAQS Proposal - July 11, 2007
- Proposed Revisions to O3 NAAQS - July 11, 2007
-Pre-Rulemaking Documents / Availability and Opportunities for Public Comment
- Release of the Second Draft Staff Paper, Exposure Analysis, and Health Risk Assessment and First Draft Environmental Assessment - July 18, 2006
- Extension of public comment period on Staff Paper and related technical support documents - Dec 29, 2005
- Release of first draft Staff Paper, Exposure Analysis, and Health Risk Assessment - Nov 17, 2005
-Public Meetings / Workshops
- Notification of CASAC Teleconferences on March 23, 2011 (Feb 28, 2011)
- Notification of CASAC Teleconferences on February 18, 2011 and March 3, 2011 (Jan 26, 2011)
- Notice of CASAC Teleconference for the Reconsideration of the Ozone NAAQS on January 25, 2010 (Jan 11, 2010)
Litigation
- Court Decision on 2008 O3 NAAQS Rulemaking Dec 2013 reissue of July 2013 (PDF)(166.02 KB)
- Unopposed Motion to Vacate Briefing Schedule and Hold Consolidated Cases in Abeyance - Mar 2009 (PDF) (8 pp, 281 K)
- March 2007 motion to modify consent decree schedule - Mar 2, 2007 (PDF) (5 pp, 68 K)
- October 2006 motion to modify consent decree schedule - Oct 17-18, 2006 (PDF) (5 pp, 59 K)
- December 2004 motion to modify consent decree schedule - Dec 14, 2004 (PDF) (8 pp, 105 K)
- July 2003 Consent Decree Schedule for PM and O3 NAAQS Review - July 30, 2003 (PDF) (10 pp, 355 K)
Response to Comments
Planning Documents
- Environmental Assessment Plan: Scope and Methods for Exposure, Risk and Benefits Assessment - Aug 2005 (PDF) (23 pp, 165 K)
- Health Assessment Plan: Scope & Methods for Exposure Analysis & Risk Assessment - Apr 2005
- Plan for Review of the O3 NAAQS - Mar 2005
- Project Work Plan for Revised Air Quality Criteria for O3 and Related Photochemical Oxidants - Nov 2002
Integrated Science Assessments (ISAs)\Criteria Documents
- Provisional Assessment of Recent Studies on Health and Ecological Effects of Ozone Exposure - Sep 2009
- Air Quality Criteria for Ozone and Related Photochemical Oxidants (Final) - Mar 2006
- Air Quality Criteria for Ozone and Related Photochemical Oxidants (Second External Review Draft) - Aug 2005
- Air Quality Criteria for Ozone and Related Photochemical Oxidants (First External Review Draft) - Jan 2005
Policy Assessments / Staff Papers
- Final Staff Paper (main document), Updated July 2007, EPA report No. EPA-452/R-07-007a - July 2007
- Final Staff Paper (appendices), Updated July 2007, EPA report No. EPA-452/R-07-007b - July 2007
- Final Staff Paper (main document) - Jan 2007
- Final Staff Paper (appendices) - Jan 2007
- Second Draft Staff Paper in five files: Errata for Ch. 3 and 7 (Aug 2006), Corrected Ch. 3 (Aug 2006), Revised figures 7-3 to 7-5 and 7-11 (Aug 2006), Main document (July 2006), Appendices (July 2006)
- First Draft Staff Paper - Nov 2005
Technical Documents
- Final Ozone Exposure Analysis Report, Updated July 2007
- Final Ozone Health Risk Assessment Report, Updated July 2007
- Effects of Ozone on lung function at 0.06 ppm in healthy adults - Brown memo, June 14, 2007
- Ozone 1-Hour to 8-Hour Ratios for the 2002-2004 Design Value Period - McCluney memo, Jan 18, 2007
- Final Ozone Exposure Analysis Report, Jan 2007
- Analysis of Uncertainty in Ozone Population Exposure Modeling - Langstaff memo, Jan 31, 2007
- Final Ozone Health Risk Assessment Report, Jan 2007
- Additional Tables of Lung Function Risk Estimates Based on 2003 Air Quality Data - Post memo, Jan 30, 2007
- Final Ozone Exposure, Risk, and Impacts Assessments for Vegetation, Jan 2007
- A Distributional Comparison between Different Rollback Methodologies Applied to Ozone Concentrations - Rizzo memo, Aug 23, 2006 (correcting errors in figures in Appendix of 5/31/06 memo)
- Effect of Measurement Error on 8-Hour Ozone Design Concentrations, Cox and Camalier memo, July 7, 2006
- Analysis of Uncertainty in Ozone Population Exposure Modeling - Langstaff memo, July 24, 2006
- First Draft Ozone Exposure, Risk, and Impacts Assessments for Vegetation, July 2006
- Second Draft Ozone Health Risk Assessment Report: Main Body, June 2006 - July 2006
- Second Draft Ozone Health Risk Assessment Report: Appendices, June 2006 - July 2006
- Second Draft Ozone Exposure Analysis Report, July 2006 - July 2006
- Analyses of Ozone Data for the Ozone NAAQS Review - Fitsz-Simons et al. memo, 11/10/05 - Nov 2005
- First Draft Ozone Health Risk Assessment Report: Main Body, Oct 2005 - Nov 2005
- First Draft Ozone Health Risk Assessment Report: Appendices, Oct 2005 - Nov 2005
- First Draft Ozone Exposure Analysis Report: Nov 2005 - Nov 2005
- A Comparison of Different Rollback Methodologies Applied to Ozone Concentrations - Rizzo, 11/07/05 Memo
CASAC Documents
Regulatory Impact Analyses