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  2. Reviewing National Ambient Air Quality Standards (NAAQS)

Ozone (O3) Air Quality Standards - Documents Prior to Review Completed in 1997

Federal Register Notices

  • 1993 Final Decision on O3 NAAQS - March 9, 1993 (PDF) (12 pp, 2 MB)
  • 1992 Proposed Decision on O3 NAAQS - August 10, 1992 (PDF) (16 pp, 2 MB)
  • NAAQS for Photochemical Oxidants: Final Decision - April 30, 1971 (PDF) (16 pp, 6 MB)
  • NAAQS for Photochemical Oxidants: Proposal - January 30, 1971 (PDF) (13 pp, 2 MB)
  • Issuance of Air Quality Criteria for Photochemical Oxidants - March 19, 1970 (PDF) (2 pp, 324 K)

Criteria Documents

  • Summary of Selected New Information on Effects of Ozone on Health and Vegetation: Supplement to 1986 Air Quality Criteria for Ozone and Other Photochemical Oxidants - January 1992
  • Air Quality Criteria for Ozone and Other Photochemical Oxidants - 1986
    • Volume I. Summary and Conclusions
    • Volume II. Air Quality Chemistry and Concentrations
    • Volume III. Welfare Effects
    • Volume IV. Effects from Animal Toxicology
    • Volume V. Effects from Human Studies and Health Effects Evaluation
  • Air Quality Criteria for Ozone and Other Photochemical Oxidants - April 1978
  • Air Quality Criteria for Photochemical Oxidants - March 1970

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)
Contact Us about Reviewing National Ambient Air Quality Standards (NAAQS) to ask a question, provide feedback, or report a problem.
Last updated on March 12, 2025
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