8-Hour Ozone (2008) Attainment Date Extensions

Data is current as of March 31, 2024
Ordered by Classification

Click on the 'FR' link to view the Federal Register Notice

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SEVERE 15
Denver-Boulder-Greeley-Ft. Collins-Loveland, CO
One-year extension from 7/20/2018 to 7/20/2019
Proposed Approval	11/14/2018	83 FR 56781
Houston-Galveston-Brazoria, TX
Extension from 7/20//2015 to 7/20/2016
Proposed Approval	08/27/2015	80 FR 51992
Final Approval	05/04/2016	81 FR 26697	Effective: 06/03/2016
MODERATE
Inland Sheboygan County, WI
Extension from 7/20//2015 to 7/20/2016
Proposed Approval	08/27/2015	80 FR 51992
Final Approval	05/04/2016	81 FR 26697	Effective: 06/03/2016
Extension from 7/20/2018 to 7/20/2019
Proposed Approval	11/14/2018	83 FR 56781
Final Approval	08/23/2019	84 FR 44238	Effective: 09/23/2019
Shoreline Sheboygan County, WI
Extension from 7/20//2015 to 7/20/2016
Proposed Approval	08/27/2015	80 FR 51992
Final Approval	05/04/2016	81 FR 26697	Effective: 06/03/2016
Extension from 7/20/2018 to 7/20/2019
Proposed Approval	11/14/2018	83 FR 56781
Final Approval	08/23/2019	84 FR 44238	Effective: 09/23/2019
MARGINAL
Cleveland-Akron-Lorain, OH
Extension from 7/20//2015 to 7/20/2016
Proposed Approval	08/27/2015	80 FR 51992
Final Approval	05/04/2016	81 FR 26697	Effective: 06/03/2016
Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE
Extension from 7/20//2015 to 7/20/2016
Proposed Approval	08/27/2015	80 FR 51992
Final Approval	05/04/2016	81 FR 26697	Effective: 06/03/2016
Pittsburgh-Beaver Valley, PA
Extension from 7/20//2015 to 7/20/2016
Proposed Approval	08/27/2015	80 FR 51992
Final Approval	05/04/2016	81 FR 26697	Effective: 06/03/2016
San Luis Obispo (Eastern San Luis Obispo), CA
Extension from 7/20//2015 to 7/20/2016
Proposed Approval	08/27/2015	80 FR 51992
Final Approval	05/04/2016	81 FR 26697	Effective: 06/03/2016
St. Louis-St. Charles-Farmington, MO-IL
Extension from 7/20//2015 to 7/20/2016
Proposed Approval	08/27/2015	80 FR 51992
Final Approval	05/04/2016	81 FR 26697	Effective: 06/03/2016
Washington, DC-MD-VA
Extension from 7/20//2015 to 7/20/2016
Proposed Approval	08/27/2015	80 FR 51992
Final Approval	05/04/2016	81 FR 26697	Effective: 06/03/2016

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