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  1. Home
  2. Reviewing National Ambient Air Quality Standards (NAAQS)

Ozone (O3) Air Quality Standards - Documents from Review Completed in 2015

Federal Register Notices


Rulemaking Notices / Public Hearings
  • Review of National Ambient Air Quality Standards for Ozone, Final Rule(October 26, 2015)
  • Review of National Ambient Air Quality Standards for Ozone, Proposed Rule (PDF)(179 pp, 1.9 M, December 17, 2014)
  • Announcing Public Hearings on Ozone Proposal (PDF)(3 pp, 224 K, December 31, 2014)
Pre-Rulemaking Documents / Availability and Opportunities for Public Comment
  • Notice of Availability – Final Policy Assessment and Final Risk and Exposure Assessments (PDF)(1 pp, 207 K, September 8, 2014)
  • Notice of Availability and Public Comment Periods - Second Draft Risk and Exposure Assessments and Second Draft Policy Assessment (PDF)(3 pp, 226 K, January 29, 2011)
  • Notice of Availability – Final Integrated Science Assessment (PDF)(2 pp, 221 K, February 15, 2013)
  • Notice of Extension of Public Comment Period - First Draft Risk and Exposure Assessments and First Draft Policy Assessment (PDF)(3 pp, 245 K, August 27, 2012)
  • Notice of Availability and Public Comment Periods for Draft Assessment Documents (PDF)(2 pp, 217 K, July 19, 2012)
  • Notice of Availability and Public Comment Period for Third External Review Draft Integrated Science Assessment for Ozone and Related Photochemical Oxidants (PDF)(3 pp, 246 K, June 19, 2012)
  • Notice of Extension of Public Comment Period - Second Draft Integrated Science Assessment (PDF)(2 pp, 149 K, November 28, 2011)
  • Notice of Availability and Public Comment Period for Second External Review Draft Integrated Science Assessment for Ozone and Related Photochemical Oxidants (PDF)(3 pp, 162 K, September 30, 2011)
  • Notice of Availability and Public Comment Period for Risk and Exposure Assessment Planning Documents; Notice of Availability for Final Integrated Review Plan (PDF)(3 pp, 197 K, April 4, 2011)
  • Notice of Extension of Public Comment Period - First Draft Integrated Science Assessment (PDF)(1 pp, 141 K, March 28, 2011)
  • Notice of Availability and Public Comment Period for Ozone ISA - First External Review Draft (PDF)(3 pp, 154 K, February 28, 2011)
  • Notice of Availability and Public Comment Period for Draft Integrated Review Plan(October 19, 2009)
  • Notice of Workshop and Call for Information on Integrated Science Assessment (PDF) (3 pp, 90 K, September 29, 2008)
Public Meetings / Workshops
  • Notification of CASAC Teleconference (if needed) on June 4, 2014 (correction notice) (PDF)(1 pg, 170 K, April 22, 2014)
  • Notification of CASAC Teleconference on May 28, 2014 (PDF)(2 pp, 178 K, March 13, 2014)
  • Notice of CASAC meeting on March 25 - 27, 2014 (PDF)(2 pp, 214 K, January 29, 2014)
  • Notice of CASAC Teleconference on November 5, 2012 (PDF)(2 pp, 197 K, October 19, 2012)
  • Notice of CASAC meeting on September 11 - 13, 2012 (PDF)(2 pp, 179 K, August 6, 2012)
  • Notice of CASAC meeting on January 9-10, 2012 (PDF)(2 pp, 147 K, December 8, 2011)
  • Notice of CASAC meeting on May 19-20, 2011 (PDF)(2 pp, 184 K, April 28, 2011)
  • Notice of CASAC Teleconference on November 13, 2009 (PDF)(2 pp, 71 K, October 22, 2009)
  • Notice of CASAC Consultation on March 30, 2009 (PDF)(1 pg, 51 K, February 19, 2009)
  • Notice of Workshop and Call for Information on Integrated Science Assessment (PDF)(3 pp, 90 K, September 29, 2009)

Response to Comments Document

  • Responses to Significant Comments on the 2014 Proposed Rule on the National Ambient Air Quality Standards for Ozone (December 17, 2014; 79 FR 75234) (pdf) (2.34 MB)

Litigation

  • Court Decision on 2015 Ozone Rulemaking (8/23/2019) (pdf) (419.46 KB)
  • Order Establishing Schedule for Proposed and Final Rulemakings for Ozone NAAQS Review, April 2014

Policy Assessments

  • Errata for the August 2014 Policy Assessment Final Report, July 2015
  • Policy Assessment for the Review of the Ozone National Ambient Air Quality Standards, Final Report (PDF)(597 pp, 7 M, August 2014)
  • Policy Assessment for the Review of the Ozone National Ambient Air Quality Standards, Second External Review Draft (PDF)(510 pp, 17 M, January 2014)
  • Policy Assessment for the Review of the Ozone National Ambient Air Quality Standards, First External Review Draft (PDF)(297 pp, 943 K, August 2012)

Risk and Exposure Assessments

  • Health Risk and Exposure Assessment for Ozone, Final Report (PDF) (502 pp, 75 M, August 2014)
    • Executive Summary (PDF)(20 pp, 1.3 M)
    • Chapter 4 Appendices (PDF)(354 pp, 11 M)
    • Chapter 5 Appendices (PDF)(314 pp, 6 M)
    • Chapter 6 Appendices (PDF)(94 pp, 972 K)
    • Chapter 7, 8, 9 Appendices (PDF)(314 pp, 6 M)
  • Welfare Risk and Exposure Assessment for Ozone, Final Report (PDF)(308 pp, 631 K, August 2014)
    • Executive Summary (PDF)(18 pp, 375 K)
    • Appendices (PDF)(450 pp, 14 M)
  • Memoranda Associated with the Second Draft Health Risk and Exposure Assessments, March - May 2014
  • Health Risk and Exposure Assessment for Ozone, Second External Review Draft (PDF)(490 pp, 1297 K, February 2014)
    • Executive Summary (PDF)(17 pp, 258 K)
    • Chapter 4 Appendices (PDF)(309 pp, 48 M)
    • Chapter 5 Appendices (PDF)(307 pp, 7 M)
    • Chapter 6 Appendices (PDF)(77 pp, 1.7 M)
    • Chapter 7, 8, 9 Appendices (PDF)(157 pp, 11 M)
  • Welfare Risk and Exposure Assessment for Ozone, Second External Review Draft (PDF)(305 pp, 668 K, February 2014)
    • Executive Summary (PDF)(17 pp, 1 M)
    • Appendices (PDF)(452 pp, 15 M)
  • Health Risk and Exposure Assessment for Ozone, First External Review Draft (PDF)(474 pp, 6.2 M, July 2012)
  • Welfare Risk and Exposure Assessment for Ozone, First External Review Draft (PDF)(167 pp, 20 M, July 2012)

Other Technical Documents

  • Summary of Final Photochemical Assessment Monitoring Stations (PAMS) Network Design, Cavender, 9/25/15 memo
  • Further Evaluation of Ozone Exposure Model Input Data in Response to Comments, Graham, 9/24/15 memo
  • Lung Function Risk Sensitivity Analysis, Langstaff, 9/17/15 memo
  • Additional Observations from WREA Datasets for Visible Foliar Injury, Smith and Murphy, 9/24/15 memo
  • Data Analyses Supporting Responses to Public Comments for the O3 NAAQS, Wells, 9/23/15 memo
  • Expanded Comparison of Ozone Metrics Considered in Current NAAQS Review, Wells, 9/28/15 memo
  • Network Design Options for Photochemical Assessment Monitoring Stations Re-Engineering, Cavender, 11/19/14 memo
  • Ozone Monitoring Season Analysis, Rice, 11/19/14 memo
  • Analysis of Overlapping 8-hour Daily Maximum Ozone Concentrations, Wells, 11/24/14 memo
  • Comparison of Ozone Metrics Considered in the Current NAAQS Review, Wells, 11/20/14 memo
  • Analysis of Recent U.S. Ozone Air Quality Data to Support the Ozone NAAQS Review and Quadratic Rollback Simulations to Support the First Draft of the Risk and Exposure Assessment, Wells et al., 8/14/12 memo
  • Model-based rollback using the higher order direct decoupled method (HDDM), Simon et al., 8/14/12 memo
  • Regional and Seasonal Analysis of North American Background Ozone Estimates from Two Studies, Henderson et al., 8/14/12 memo

Integrated Science Assessments

  • Integrated Science Assessment for Ozone and Related Photochemical Oxidants, Final Report, February 2013
  • Integrated Science Assessment for Ozone and Related Photochemical Oxidants, Third External Review Draft, June 2012
  • Integrated Science Assessment for Ozone and Related Photochemical Oxidants, Second External Review Draft, September 2011
  • Integrated Science Assessment for Ozone and Related Photochemical Oxidants, First External Review Draft, March 2011

Planning Documents

  • Updates to information presented in the Scope and Methods plans for the ozone NAAQS health and welfare risk and exposure assessments, May 2012 memo
  • Ozone NAAQS Scope and Methods Plan for Health Risk and Exposure Assessment (PDF)(97 pp, 252 K, April 2011)
  • Ozone NAAQS Scope and Methods Plan for Welfare Risk and Exposure Assessment (PDF)(40 pp, 83 K, April 2011)
  • Integrated Review Plan for the Ozone NAAQS (PDF)(77 pp, 197 K, April 2011)
  • Integrated Review Plan for the Ozone NAAQS Review, External Review Draft (PDF)(78 pp, 196 K, September 2009)

CASAC Documents

  • CASAC Documents

Regulatory Impact Analysis

  • Regulatory Impact Analysis of the Final Revisions to the National Ambient Air Quality Standards for Ground-Level Ozone, Sept 2015

You may also be interested in documents from the current ozone NAAQS review.

Reviewing National Ambient Air Quality Standards (NAAQS)

  • Carbon Monoxide Standards
  • Lead Standards
  • Nitrogen Dioxide Primary Standards
  • Nitrogen Dioxide Secondary Standards
  • Ozone Standards
  • Particulate Matter Standards
  • Sulfur Dioxide Primary Standards
  • Sulfur Dioxide Secondary Standards
Contact Us about Reviewing National Ambient Air Quality Standards (NAAQS)
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Last updated on December 1, 2025
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