1-Hour Ozone Federal Register Notice
Clean Air Determination/Attainment Determinations

Ordered by Classification
As of August 30, 2011

*Previous Nonattainment Areas*

SEVERE
Chicago-Gary-Lake County, IL-IN
Attainment Determination by the attainment date
Proposed Approval	07/07/2008	73 FR Page 38353
Final Approval	12/30/2008	73 FR Page 79652	Effective:01/29/2009

Milwaukee-Racine, WI
Attainment Determination by the attainment date
Proposed Approval	04/24/2009	74 FR Page 18668
Direct Final	04/24/2009	74 FR Page 18641	Effective:06/23/2009

Baton Rouge, LA
Clean Air Determination after the attainment date
Proposed Approval	03/26/2009	74 FR Page 13166
Final Approval	02/10/2010	75 FR Page 6570	Effective:03/12/2010

Philadelphia-Wilmington-Trenton, PA-NJ-DE-MD
Excluding NJ Portion: Attainment Determination by the attainment date
Proposed Approval	04/28/2008	73 FR Page 22896
Final Approval	07/25/2008	73 FR Page 43360	Effective:08/25/2008

Philadelphia-Wilmington-Trenton, PA-NJ-DE-MD
NJ Portion: Attainment Determination by the attainment date
Proposed Approval	07/23/2008	73 FR Page 42727
Final Approval	04/08/2009	74 FR Page 15864	Effective:05/08/2009

Ventura Co, CA
Attainment Determination by the attainment date
Proposed Approval	05/27/2009	74 FR Page 25200
Direct Final	05/27/2009	74 FR Page 25153	Effective:07/27/2009

Washington, DC-MD-VA
Attainment Determination by the attainment date
Proposed Approval	04/28/2008	73 FR Page 22896
Final Approval	07/25/2008	73 FR Page 43360	Effective:08/25/2008


SERIOUS
Beaumont-Port Arthur, TX
Clean Air Determination after the attainment date
Final Approval	10/20/2010	75 FR Page 64675	Effective:11/19/2010

Dallas-Fort Worth, TX
Clean Air Determination after the attainment date
Proposed Approval	07/11/2008	73 FR Page 39897
Final Approval	10/16/2008	73 FR Page 61357	Effective:11/17/2008


MODERATE
Atlantic City, NJ
Clean Air Determination after the attainment date
Proposed Approval	09/23/2009	74 FR Page 48498
Final Approval	12/07/2009	74 FR Page 63993	Effective:01/06/2010

Poughkeepsie, NY
Clean Air Determination after the attainment date
Proposed Approval	09/23/2009	74 FR Page 48498
Final Approval	12/07/2009	74 FR Page 63993	Effective:01/06/2010


MARGINAL
Albany-Schenectady-Troy, NY
Clean Air Determination by the attainment date
Proposed Approval	07/28/1994	59 FR Page 38000
Final Approval	10/06/1994	59 FR Page 50848	Effective:11/07/1994

Allentown-Bethlehem-Easton, PA-NJ
Clean Air Determination by the attainment date
Proposed Approval	07/28/1994	59 FR Page 38000
Final Approval	10/06/1994	59 FR Page 50848	Effective:11/07/1994

Buffalo-Niagara Falls, NY
Clean Air Determination by the attainment date
Proposed Approval	07/28/1994	59 FR Page 38000
Final Approval	10/06/1994	59 FR Page 50848	Effective:11/07/1994

Jefferson Co, NY
Clean Air Determination by the attainment date
Proposed Approval	07/28/1994	59 FR Page 38000
Final Approval	10/06/1994	59 FR Page 50848	Effective:11/07/1994

Reno, NV
Attainment Determination by the attainment date
Final Approval	05/02/2005	70 FR Page 22803	Effective:06/02/2005

Essex Co, NY
Clean Air Determination by the attainment date
Proposed Approval	07/28/1994	59 FR Page 38000
Final Approval	10/06/1994	59 FR Page 50848	Effective:11/07/1994


OTHER
San Francisco Bay Area, CA
Attainment Determination by the attainment date
Proposed Approval	10/31/2003	68 FR Page 62041
Final Approval	04/22/2004	69 FR Page 21717	Effective:05/24/2004

1-Hour Ozone Federal Register Notice Clean Air Determination/Attainment Determinations

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1-Hour Ozone Federal Register Notice
Clean Air Determination/Attainment Determinations