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8-Hour Ozone (1997) Federal Register Notice Classification Changes - NAAQS Revoked

As of June 17, 2016
Previous Ordered by Classification
The 1997 8-hour Ozone NAAQS was revoked effective April 6, 2015 (80 FR 12264).
Click on the 'FR Page' link to view the Federal Register Notice

EXTREME
  
Los Angeles-South Coast Air Basin, CA
Reclassify from Severe-17 to Extreme
Proposed Approval        08/27/2009      74 FR Page 43654     
Final Approval        05/05/2010      75 FR Page 24409     Effective:06/04/2010
  
San Joaquin Valley, CA
Reclassify from Serious to Extreme
Proposed Approval        08/27/2009      74 FR Page 43654     
Final Approval        05/05/2010      75 FR Page 24409     Effective:06/04/2010
  
SEVERE 17
  
Morongo Band of Mission Indians
Reclassify from Severe-17 to Extreme
Proposed Approval        08/27/2009      74 FR Page 43654     
Withdrawal        09/23/2013      78 FR Page 58266     
  
Pechanga Band of Luiseno Mission Indians of the Pechanga Reservation
Reclassify from Severe-17 to Extreme
Proposed Approval        08/27/2009      74 FR Page 43654     
Withdrawal        04/03/2015      80 FR Page 18184     
  
SEVERE 15
  
Houston-Galveston-Brazoria, TX
Reclassify from Moderate to Severe-15
Proposed Approval        12/31/2007      72 FR Page 74252     
Final Approval        10/01/2008      73 FR Page 56983     Effective:10/31/2008
  
Los Angeles-San Bernardino Cos. (W Mojave Desert), CA
Reclassify from Moderate to Severe-15
Final Approval        05/08/2012      77 FR Page 26950     Effective:06/07/2012
  
Riverside Co. (Coachella Valley), CA
Reclassify from Serious to Severe-15
Proposed Approval        08/27/2009      74 FR Page 43654     
Final Approval        05/05/2010      75 FR Page 24409     Effective:06/04/2010
  
Sacramento Metro, CA
Reclassify from Serious to Severe-15
Proposed Approval        08/27/2009      74 FR Page 43654     
Final Approval        05/05/2010      75 FR Page 24409     Effective:06/04/2010
  
SERIOUS
  
Baltimore, MD
Reclassify from Moderate to Serious
Proposed Approval        09/01/2011      76 FR Page 54412     
Final Approval        02/01/2012      77 FR Page 4901     Effective:03/02/2012
  
Dallas-Fort Worth, TX
Reclassify from Moderate to Serious
Proposed Approval        08/09/2010      75 FR Page 47746     
Final Approval        12/20/2010      75 FR Page 79302     Effective:01/19/2011
Reclassify from Serious to Severe
Proposed Approval        02/17/2015      80 FR Page 8274     
  
Ventura Co, CA
Reclassify from Moderate to Serious
Final Approval        05/20/2008      73 FR Page 29073     Effective:06/19/2008
  
MODERATE
  
Amador and Calaveras Cos. (Central Mountain Cos.), CA
Change from Former Subpart 1 to Moderate
Proposed Approval        01/16/2009      74 FR Page 2936     
Final Approval        05/14/2012      77 FR Page 28424     Effective:06/13/2012
  
Atlanta, GA
Reclassify from Marginal to Moderate
Proposed Approval        10/16/2007      72 FR Page 58572     
Final Approval        03/06/2008      73 FR Page 12013     Effective:04/07/2008
  
Baton Rouge, LA
Reclassify from Marginal to Moderate
Proposed Approval        10/30/2007      72 FR Page 61315     
Final Approval        03/21/2008      73 FR Page 15087     Effective:04/21/2008
  
Beaumont-Port Arthur, TX
Reclassify from Marginal to Moderate
Proposed Approval        10/30/2007      72 FR Page 61310     
Final Approval        03/18/2008      73 FR Page 14391     Effective:04/17/2008
  
Buffalo-Niagara Falls, NY
Change from Former Subpart 1 to Moderate
Proposed Approval        01/16/2009      74 FR Page 2936     
Final Approval        05/14/2012      77 FR Page 28424     Effective:06/13/2012
  
Imperial Co, CA
Reclassify from Marginal to Moderate
Proposed Approval        11/23/2007      72 FR Page 65682     
Final Approval        02/13/2008      73 FR Page 8209     Effective:03/14/2008
  
Jamestown, NY
Change from Former Subpart 1 to Moderate
Proposed Approval        01/16/2009      74 FR Page 2936     
Final Approval        05/14/2012      77 FR Page 28424     Effective:06/13/2012
  
Kern Co (Eastern Kern), CA
Change from Former Subpart 1 to Moderate
Proposed Approval        01/16/2009      74 FR Page 2936     
Final Approval        05/14/2012      77 FR Page 28424     Effective:06/13/2012
  
Mariposa and Tuolumne Cos (Southern Mtn), CA
Change from Former Subpart 1 to Moderate
Proposed Approval        01/16/2009      74 FR Page 2936     
Final Approval        05/14/2012      77 FR Page 28424     Effective:06/13/2012
  
Memphis, TN-AR
Reclassify from Moderate to Marginal
Final Approval        09/22/2004      69 FR Page 56697     Effective:11/22/2004
Reclassify from Marginal to Moderate
Proposed Approval        10/16/2007      72 FR Page 58577     
Final Approval        03/28/2008      73 FR Page 16547     Effective:04/28/2008
  
Nevada Co. (Western part), CA
Change from Former Subpart 1 to Moderate
Proposed Approval        01/16/2009      74 FR Page 2936     
Final Approval        05/14/2012      77 FR Page 28424     Effective:06/13/2012
  
Pittsburgh-Beaver Valley, PA
Change from Former Subpart 1 to Moderate
Proposed Approval        01/16/2009      74 FR Page 2936     
Final Approval        05/14/2012      77 FR Page 28424     Effective:06/13/2012
  
San Diego, CA
Change from Former Subpart 1 to Moderate
Proposed Approval        01/16/2009      74 FR Page 2936     
Final Approval        05/14/2012      77 FR Page 28424     Effective:06/13/2012
  
MARGINAL
  
Albany-Schenectady-Troy, NY
Change from Former Subpart 1 to Marginal
Proposed Approval        01/16/2009      74 FR Page 2936     
Final Approval        05/14/2012      77 FR Page 28424     Effective:06/13/2012
  
Cass Co, MI
Reclassify from Moderate to Marginal
Final Approval        09/22/2004      69 FR Page 56697     Effective:11/22/2004
  
Chico, CA
Change from Former Subpart 1 to Marginal
Proposed Approval        01/16/2009      74 FR Page 2936     
Final Approval        05/14/2012      77 FR Page 28424     Effective:06/13/2012
  
Denver-Boulder-Greeley-Ft. Collins-Loveland, CO
Change from Former Subpart 1 to Marginal
Proposed Approval        01/16/2009      74 FR Page 2936     
Final Approval        05/14/2012      77 FR Page 28424     Effective:06/13/2012
  
Detroit-Ann Arbor, MI
Reclassify from Moderate to Marginal
Final Approval        09/22/2004      69 FR Page 56697     Effective:11/22/2004
  
Essex Co (Whiteface Mtn), NY
Change from Former Subpart 1 to Marginal
Proposed Approval        01/16/2009      74 FR Page 2936     
Final Approval        05/14/2012      77 FR Page 28424     Effective:06/13/2012
  
Kent and Queen Anne's Cos, MD
Reclassify from Moderate to Marginal
Final Approval        09/22/2004      69 FR Page 56697     Effective:11/22/2004
  
La Porte Co., IN
Reclassify from Moderate to Marginal
Final Approval        09/22/2004      69 FR Page 56697     Effective:11/22/2004
  
Lancaster, PA
Reclassify from Moderate to Marginal
Final Approval        09/22/2004      69 FR Page 56697     Effective:11/22/2004
  
Las Vegas, NV
Change from Former Subpart 1 to Marginal
Proposed Approval        01/16/2009      74 FR Page 2936     
Final Approval        05/14/2012      77 FR Page 28424     Effective:06/13/2012
  
Muskegon, MI
Reclassify from Moderate to Marginal
Final Approval        09/22/2004      69 FR Page 56697     Effective:11/22/2004
  
Phoenix-Mesa, AZ
Change from Former Subpart 1 to Marginal
Proposed Approval        01/16/2009      74 FR Page 2936     
Final Approval        05/14/2012      77 FR Page 28424     Effective:06/13/2012
  
Richmond-Petersburg, VA
Reclassify from Moderate to Marginal
Final Approval        09/22/2004      69 FR Page 56697     Effective:11/22/2004
  
Rochester, NY
Change from Former Subpart 1 to Marginal
Proposed Approval        01/16/2009      74 FR Page 2936     
Final Approval        05/14/2012      77 FR Page 28424     Effective:06/13/2012
  
Sutter Co (Sutter Buttes), CA
Change from Former Subpart 1 to Marginal
Proposed Approval        01/16/2009      74 FR Page 2936     
Final Approval        05/14/2012      77 FR Page 28424     Effective:06/13/2012
  
FORMER SUBPART 1
  
Allegan Co, MI
From Former Subpart 1 to Moderate
Proposed Approval        01/16/2009      74 FR Page 2936     
  
Cincinnati-Hamilton, OH-KY-IN
From Former Subpart 1 to Moderate
Proposed Approval        01/16/2009      74 FR Page 2936     
  
Clearfield and Indiana Cos, PA
From Former Subpart 1 to Marginal
Proposed Approval        01/16/2009      74 FR Page 2936     
  
Columbus, OH
From Former Subpart 1 to Moderate
Proposed Approval        01/16/2009      74 FR Page 2936     
  
Door Co, WI
From Former Subpart 1 to Moderate
Proposed Approval        01/16/2009      74 FR Page 2936     
  
Greene Co, PA
From Former Subpart 1 to Marginal
Proposed Approval        01/16/2009      74 FR Page 2936     
  
Haywood and Swain Cos (Great Smoky NP), NC
From Former Subpart 1 to Marginal
Proposed Approval        01/16/2009      74 FR Page 2936     
  
Knoxville, TN
From Former Subpart 1 to Moderate
Proposed Approval        01/16/2009      74 FR Page 2936     
  
Manitowoc Co, WI
From Former Subpart 1 to Marginal
Proposed Approval        01/16/2009      74 FR Page 2936     


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