Designation and NAAQS Information Related to 8-Hour Ozone (1997 Standard) - NAAQS Revoked
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Original 8-Hour Ozone (1997) areas were designated July 15, 2004. On June 8, 2007, the United States Court of Appeals vacated the Subpart 1 portion of the Phase 1 Rule. The Former Subpart 1 nonattainment areas were classified under Subpart 2 on May 14, 2012 (77 FR 28424), effective June 13, 2012. The 8-Hour Ozone (1997) NAAQS was revoked on April 6, 2015.
For additional information about Former Subpart 1 nonattainment areas classified under Subpart 2, see: 77 FR 28424
- Revised 8-Hour Ozone (1997 Standard) NAAQS Notices
- Final Rule to Implement the 8-Hour Ozone NAAQS - Phase 2; Final Rule to Implement Certain Aspects of the 1990 Amendments Relating to New Source Review and Prevention of Significant Deterioration as the Apply in Carbon Monoxide, Particulate Matter, and Ozone NAAQS; Final Rule on Reformulated Gasoline (November 29, 2005)
See 70 FR 71612 - Phase 2 of the Final Rule To Implement the 8-Hour Ozone National Ambient Air Quality Standard--Notice of Reconsideration (June 8, 2007)
See 72 FR 31727 - Proposed Rule to Implement the 1997 8-Hour Ozone NAAQS; Revision on Subpart 1 Area Reclassification and Anti-Backsliding Provisions Under Former 1-Hour Ozone Standard; Proposed Deletion of Obsolete 1-Hour Ozone Standard Provision (January 16, 2009)
See 74 FR 2936 - Proposed Implementation of the 2008 National Ambient Air Quality Standards for Ozone: Nonattainment Area Classifications Approach, Attainment Deadlines and Revocation of the 1997 Ozone Standards for Transportation Conformity Purposes (February 14, 2012)
See 77 FR 8197 - Final Rule To Implement the 1997 8-Hour Ozone National Ambient Air Quality Standard: Classification of Areas That Were Initially Classified Under Subpart 1; Revision of the Anti-Backsliding Provisions To Address 1-Hour Contingency Measure Requirements; Deletion of Obsolete 1-Hour Ozone Standard Provision (May 14, 2012)
See 77 FR 28424
- Implementation of the 2008 National Ambient Air Quality Standards for Ozone: Nonattainment Area Classifications Approach, Attainment Deadlines and Revocation of the 1997 Ozone Standards for Transportation Conformity Purposes (May 21, 2012)
See 77 FR 30160 - Correction: Final Rule To Implement the 1997 8-Hour Ozone National Ambient Air Quality Standard: Classification of Areas That Were Initially Classified Under Subpart 1; Revision of the Anti-Backsliding Provisions To Address 1-Hour Contingency Measure Requirements; Deletion of Obsolete 1-Hour Ozone Standard Provision (July 25, 2012)
See 77 FR 43521 - Final Rule: Implementation of the 2008 National Ambient Air Quality Standards for Ozone: State Implementation Plan Requirements; Revocation of the 1997 NAAQS (March 6, 2015)
See 80 FR 12264
- Final Rule to Implement the 8-Hour Ozone NAAQS - Phase 2; Final Rule to Implement Certain Aspects of the 1990 Amendments Relating to New Source Review and Prevention of Significant Deterioration as the Apply in Carbon Monoxide, Particulate Matter, and Ozone NAAQS; Final Rule on Reformulated Gasoline (November 29, 2005)
- Revised 8-Hour Ozone (1997 Standard) Designation Notices
- Air Quality Designations and Classifications for the 8-Hour Ozone NAAQS; Early Action Compact Areas with Deferred Effective Dates (April 30, 2004)
See 69 FR 23858 - Updated Air Quality Designations and Classifications for the 8-Hour Ozone NAAQS; Early Action Compact Areas with Deferred Effective Dates (June 18, 2004)
See 69 FR 34080 - Proposed Redesignation to Attainment of Unclassifiable Kansas City KS-MO 8-Hour Ozone (1997) Area (February 10, 2005)
See 70 FR 7070 - Final Redesignation to Attainment of Unclassifiable Kansas City KS-MO 8-Hour Ozone (1997) Area (May 3, 2005)
See 70 FR 22801 - Proposed Redesignation to Attainment of Unclassifiable Syracuse NY 8-Hour Ozone (1997) Area (July 7, 2005)
See 70 FR 39215 - Final Redesignation to Attainment of Unclassifiable Syracuse NY 8-Hour Ozone (1997) Area (May 15, 2006)
See 71 FR 27962 - Proposed Settlement Agreement: Denver EAC Designation to Nonattainment (October 1, 2007)
See 72 FR 55765 - Proposed 8-Hour Ozone NAAQS Designations for the Early Action Compact Areas (February 6, 2008)
See 73 FR 6863 - Final 8-Hour Ozone NAAQS Designations for the Early Action Compact Areas (April 2, 2008)
See 73 FR 17897
- Air Quality Designations and Classifications for the 8-Hour Ozone NAAQS; Early Action Compact Areas with Deferred Effective Dates (April 30, 2004)