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1-Hour Ozone (1979) Attainment Date Extensions - NAAQS Revoked

As of September 22, 2016
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EXTREME
  
Los Angeles-South Coast Air Basin, CA
Extension from 11/15//2010 to 12/31/2022
Proposed Approval        05/23/2014      79 FR Page 29712     
Final Approval        09/03/2014      79 FR Page 52526     Effective:10/03/2014
  
SEVERE 15
  
Atlanta, GA
Extension from 11/15/1999 to 11/15/2004. Voluntary vacatur negated extension.
Proposed Approval        12/11/2001      66 FR Page 63972     
Final Approval        05/07/2002      67 FR Page 30574     Effective:06/06/2002
  
Baton Rouge, LA
Extension from 11/15/1999 to 12/31/2001
Proposed Approval        05/09/2001      66 FR Page 23646     
Proposed Approval        07/25/2001      66 FR Page 38608     
Extension from 11/15/1999 to 11/15/2005
Proposed Approval        08/02/2002      67 FR Page 50391     
Final Approval        10/02/2002      67 FR Page 61786     Effective:10/02/2002
Withdrawal        04/24/2003      68 FR Page 20077     
  
Washington, DC-MD-VA
Extension from 11/15/1999 to 11/15/2005. Court-order negated extension.
Proposed Approval        12/16/1999      64 FR Page 70460     
Final Approval        01/03/2001      66 FR Page 585     Effective:02/02/2001
Court-Order        07/02/2002      99 FR Page 1070     
  
SERIOUS
  
Beaumont-Port Arthur, TX
Extension from 11/15/1996 to 11/15/2007. Court-Order negated extension
Proposed Approval        12/27/2000      65 FR Page 81786     
Final Approval        05/15/2001      66 FR Page 26913     Effective:06/14/2001
Court-Order        12/31/2002      99 FR Page 60537     
Withdrawal        06/19/2003      68 FR Page 36756     
Withdrawal        03/30/2004      69 FR Page 16483     
  
Boston-Lawrence-Worcester (E. Mass), MA-NH
Extension from 11/15/1999 to 11/15/2007 (MA portion)
Proposed Approval        10/15/2002      67 FR Page 63586     
Extension from 11/15/1999 to 11/15/2007 (NH portion)
Proposed Approval        10/21/2002      67 FR Page 64582     
Final Approval        12/06/2002      67 FR Page 72574     Effective:01/06/2003
Extension from 11/15/1999 to 11/15/2007 (MA portion)
Final Approval        12/06/2002      67 FR Page 72576     Effective:01/06/2003
  
Dallas-Fort Worth, TX
Extension from 11/15/1999 to 11/15/2007
Proposed Approval        01/18/2001      66 FR Page 4756     
  
East Kern Co, CA
Extension from 11/15/1999 to 11/15/2001
Proposed Approval        05/18/2001      66 FR Page 27616     
Final Approval        11/08/2001      66 FR Page 56476     Effective:12/10/2001
  
Greater Connecticut, CT
Extension from 11/15/1999 to 11/15/2007
Proposed Approval        12/16/1999      64 FR Page 70332     
Final Approval        01/03/2001      66 FR Page 633     Effective:02/02/2001
  
Providence (all of RI), RI
Extension from 11/15/1999 to 11/15/2007
Proposed Approval        02/14/2003      68 FR Page 7476     
Final Approval        04/07/2003      68 FR Page 16721     Effective:05/07/2003
  
San Diego, CA
Extension from 11/15/1999 to 11/15/2000
Proposed Approval        10/11/2000      65 FR Page 60386     
Direct Final        10/11/2000      65 FR Page 60362     Effective:12/11/2000
Extension from 11/15/2000 to 11/15/2001
Proposed Approval        08/06/2001      66 FR Page 40953     
Direct Final        08/06/2001      66 FR Page 40908     Effective:10/05/2001
  
Springfield (Western MA), MA
Extension from 11/15/1999 to 11/15/2003
Proposed Approval        12/16/1999      64 FR Page 70319     
Final Approval        01/03/2001      66 FR Page 665     Effective:02/02/2001
  
St. Louis, MO-IL
Extension from 11/15/1996 to 11/15/2004. Court-Order negated extension
Proposed Approval        04/03/2001      66 FR Page 17647     
Final Approval        06/26/2001      66 FR Page 33995     Effective:06/26/2001
Court-Order        11/25/2002      99 FR Page 2844     
  
MODERATE
  
Cincinnati-Hamilton, OH-KY
Extension from 11/15/1996 to 11/15/1997
Proposed Approval        05/27/1997      62 FR Page 28650     
Direct Final        05/27/1997      62 FR Page 28634     Effective:07/28/1997
Withdrawal        07/28/1997      62 FR Page 40280     
Final Approval        11/17/1997      62 FR Page 61241     Effective:12/17/1997
Extension from 11/15/1997 to 11/15/1998
Proposed Approval        03/26/1998      63 FR Page 14673     
Direct Final        03/26/1998      63 FR Page 14623     Effective:05/26/1998
  
Louisville, KY-IN
Extension from 11/15/1996 to 11/15/1997
Proposed Approval        10/23/1997      62 FR Page 55203     
Direct Final        10/23/1997      62 FR Page 55173     Effective:12/22/1997
  
Pittsburgh-Beaver Valley, PA
Extension from 11/15/1996 to 11/15/1997
Proposed Approval        02/25/1997      62 FR Page 8414     
Direct Final        02/25/1997      62 FR Page 8389     Effective:04/11/1997
  
Portland, ME
Extension from 11/15/1996 to 11/15/1997
Proposed Approval        04/16/1997      62 FR Page 18557     
Direct Final        04/16/1997      62 FR Page 18526     Effective:06/02/1997
  
MARGINAL
  
Hancock & Waldo Cos, ME
Extension from 11/15/1993 to 11/15/1994
Proposed Approval        02/22/1995      60 FR Page 9813     
Final Approval        06/28/1995      60 FR Page 33351     Effective:07/28/1995


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