Nitrogen Dioxide (NO2 Primary) Air Quality Standards - Documents from Review Completed in 2010
Federal Register Notices
-Rulemaking Notices / Public Hearings
- Final Revisions to the Primary National Ambient Air Quality Standards (NAAQS) for NO2 - Feb 9, 2010
- Announcement of Public Hearings for Primary NO2 NAAQS Proposal - July 15, 2009
- Proposed Revisions to Primary NAAQS for NO2 - July 15, 2009
-Pre-Rulemaking Documents / Availability and Opportunities for Public Comment
- Notification of Availability - Second Draft Risk and Exposure Assessment - 09/02/2008
- Notice of Extension of Public Comment Period - First Draft Risk and Exposure Assessment - 04/25/2008
- Notification of Availability - First Draft Risk and Exposure Assessment - 04/14/2008
- Integrated Science Assessment for NOx: Call for Information - 12/09/2005
-Public Meetings / Workshops
- Notice of CASAC Teleconference - December 5, 2008 (Nov 12, 2008)
- Notice of CASAC Teleconference 10/22/08 (Sept 24, 2008)
- Notification of CASAC meeting Sept 9 and 10, 2008 (July 25, 2008)
- Notification of CASAC meeting May 1 and 2, 2008 (April 11, 2008)
- Kickoff Workshop for Nitrogen Oxides (NOx) and Sulfur Oxides (SOx) Reviews (Feb 09, 2007)
Litigation
- Court Decision upholding the 2010 NO2 NAAQS (07/17/2012)
- Amendment to 2007 Consent Decree (12/04/2008)(PDF) (4 pp, 43 K)
- November 2007 Consent Decree with schedules for SO2 and NO2 primary NAAQS and NO2/SO2 secondary NAAQS Reviews (11/19/2007)(PDF) (8 pp, 74 K)
- Notice of proposed consent decree - request for public comment (09/20/2007)
Response to Comments
Planning Documents
- Health Assessment Plan: Scope and Methods for Exposure and Risk Assessment (Sept 2007)
- NO2 NAAQS Review Plan - Final (Aug 2007)
- NO2 NAAQS Review Plan - Draft (Feb 2007)
Integrated Science Assessments (ISAs)\Criteria Documents
- ISA for Oxides of Nitrogen - Health Criteria, Final Report, and Annexes (July 2008)
- ISA for Oxides of Nitrogen - Health Criteria, Second External Review Draft (Mar 2008)
- ISA for Oxides of Nitrogen - Health Criteria (and annexes), First External Review Draft (Aug 2007)
Policy Assessments
Risk and Exposure Assessment Documents
- Risk and Exposure Assessment Report: Final (Nov 2008)
- Risk and Exposure Assessment Report: Appendices, Final (Nov 2008)
- Second Draft Risk and Exposure Assessment: Chapter 8 (Oct 2008) (PDF) (78 pp, 2 MB)
- Second Draft Risk and Exposure Assessment: Appendix B (Oct 2008) (PDF) (178 pp, 5 MB)
- Second Draft Risk and Exposure Assessment (without Chapter 8)(Aug 2008) (PDF) (138 pp, 1 MB)
- Second Draft Risk and Exposure Assessment: Appendices (without a complete Appendix B; with corrected version of Appendix C [addresses several format issues])(Aug 2008) (PDF) (380 pp, 15 MB)
- First Draft Risk and Exposure Assessment Report (Apr 2008)
- First Draft Risk and Exposure Assessment TSD (Apr 2008)
Other Technical Documents
- Investigation of How Distributions of Hourly NO2 Concentrations Have Changed Over Time in Six Cities, Rizzo memo (Nov 20, 2008) (PDF) (16 pp, 5 MB)
- Air Quality Statistics Referenced in Key U.S. NO2 Epidemiology Papers, Thompson and Jenkins memo (Nov 25, 2008)
- NO2 Descriptive Statistics Tables, Thompson memo (Nov 5, 2008) (PDF) (7 pp, 688 K)
- NOx Network Review and Background, Watkins and Thompson memo (Nov 26, 2008) (PDF) (7 pp, 540 K)
- Comparison of the Estimated Number of Exceedances of Potential Health Effect Benchmark Levels on Roads, generated with and without ambient monitors located near major roadways - Graham memo (Apr 18, 2008)
CASAC Documents
Regulatory Impact Analyses