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Federal Register Notices Related to 1-Hour Ozone (1979) Designations and Classifications - NAAQS Revoked

Data is current as of February 29, 2024
Ordered by State, Area Name

Click on the 'FR' link to view the Federal Register Notice
ALABAMA
BIRMINGHAM, AL
  04/30/1997      62 FR 23421      Proposed Disapproval      Redesignation to Maintenance   
  09/19/1997      62 FR 49154      Final Disapproval      Redesignation to Maintenance   
  08/21/2002      67 FR 54159      Proposed Approval      Clean Data Determination/Attainment Determination   
  11/04/2002      67 FR 67113      Final Approval      Clean Data Determination/Attainment Determination   
  01/06/2004      69 FR 558      Proposed Approval      Redesignation to Maintenance   
  03/12/2004      69 FR 11798      Final Approval      Redesignation to Maintenance   
ARIZONA
PHOENIX, AZ
  09/02/1997      62 FR 46229      Proposed Approval      Change to a Higher Classification (Bump-Ups)   
  11/06/1997      62 FR 60001      Final Approval      Change to a Higher Classification (Bump-Ups)   
  05/19/2000      65 FR 31859      Proposed Approval      Clean Data Determination/Attainment Determination   
  05/30/2001      66 FR 29230      Final Approval      Clean Data Determination/Attainment Determination   
  03/21/2005      70 FR 13425      Proposed Approval      Boundary Change   
  03/21/2005      70 FR 13425      Proposed Approval      Redesignation to Maintenance   
  06/14/2005      70 FR 34362      Final Approval      Redesignation to Maintenance   
  11/10/2005      70 FR 68390      Proposed Approval      Boundary Change   
  11/10/2005      70 FR 68339      Direct Final      Boundary Change   
CALIFORNIA
EAST KERN COUNTY, CA
  05/18/2001      66 FR 27616      Proposed Approval      Area Split   
  05/18/2001      66 FR 27616      Proposed Approval      Attainment Date Extension   
  11/08/2001      66 FR 56476      Final Approval      Area Split   
  11/08/2001      66 FR 56476      Final Approval      Attainment Date Extension   
  04/22/2004      69 FR 21800      Proposed Approval      Redesignation to Maintenance   
  04/22/2004      69 FR 21731      Direct Final      Redesignation to Maintenance   
LOS ANGELES-SOUTH COAST AIR BASIN, CA
  08/15/2003      68 FR 48848      Proposed Approval      Boundary Change   
  10/07/2003      68 FR 57820      Final Approval      Boundary Change   
  10/20/2003      68 FR 59997      Final Approval      Correction/Clarification   
  09/14/2011      76 FR 56694      Proposed Approval      Failure to Attain by Attainment Date   
  12/30/2011      76 FR 82133      Final Approval      Failure to Attain by Attainment Date   
  05/23/2014      79 FR 29712      Proposed Approval      Attainment Date Extension   
  09/03/2014      79 FR 52526      Final Approval      Attainment Date Extension   
MONTEREY BAY, CA
  01/17/1997      62 FR 2636      Proposed Approval      Redesignation to Maintenance   
  01/17/1997      62 FR 2597      Direct Final      Redesignation to Maintenance   
MORONGO BAND OF MISSION INDIANS, CA
  01/02/2013      78 FR 51      Proposed Approval      Area Split   
  01/02/2013      78 FR 51      Proposed Approval      Correction/Clarification   
  09/23/2013      78 FR 58189      Final Approval      Area Split   
  09/23/2013      78 FR 58189      Final Approval      Correction/Clarification   
SACRAMENTO METRO, CA
  04/25/1995      60 FR 20237      Final Approval      Change to a Higher Classification (Bump-Ups)   
  05/18/2011      76 FR 28696      Proposed Approval      Clean Data Determination/Attainment Determination   
  10/18/2012      77 FR 64036      Final Approval      Clean Data Determination/Attainment Determination   
SAN DIEGO, CA
  01/19/1995      60 FR 3771      Final Approval      Change to a Lower Classification   
  10/11/2000      65 FR 60386      Proposed Approval      Attainment Date Extension   
  10/11/2000      65 FR 60362      Direct Final      Attainment Date Extension   
  08/06/2001      66 FR 40953      Proposed Approval      Attainment Date Extension   
  08/06/2001      66 FR 40908      Direct Final      Attainment Date Extension   
  08/23/2002      67 FR 54580      Direct Final      Clean Data Determination/Attainment Determination   
  10/23/2002      67 FR 65043      Final Approval      Clean Data Determination/Attainment Determination   
  10/23/2002      67 FR 65045      Withdrawal      Clean Data Determination/Attainment Determination   
  03/20/2003      68 FR 13653      Proposed Approval      Redesignation to Maintenance   
  06/26/2003      68 FR 37976      Final Approval      Redesignation to Maintenance   
  08/12/2003      68 FR 47964      Final Approval      Correction/Clarification   
SAN FRANCISCO-BAY AREA, CA
  09/28/1994      59 FR 49361      Proposed Approval      Redesignation to Maintenance   
  05/22/1995      60 FR 27028      Final Approval      Redesignation to Maintenance   
  12/19/1997      62 FR 66578      Proposed Approval      Designation to Nonattainment   
  07/10/1998      63 FR 37258      Final Approval      Designation to Nonattainment   
  03/18/1999      64 FR 13383      Proposed Approval      Change to a Higher Classification (Bump-Ups)   
  07/22/1999      64 FR 39416      Final Approval      Correction/Clarification   
  09/20/2001      66 FR 48340      Final Approval      Failure to Attain by Attainment Date   
  10/31/2003      68 FR 62041      Proposed Approval      Clean Data Determination/Attainment Determination   
  04/22/2004      69 FR 21717      Final Approval      Clean Data Determination/Attainment Determination   
SAN JOAQUIN VALLEY, CA
  06/19/2000      65 FR 37926      Proposed Approval      Change to a Higher Classification (Bump-Ups)   
  05/18/2001      66 FR 27616      Proposed Approval      Area Split   
  05/18/2001      66 FR 27616      Proposed Approval      Change to a Higher Classification (Bump-Ups)   
  11/08/2001      66 FR 56476      Final Approval      Area Split   
  11/08/2001      66 FR 56476      Final Approval      Change to a Higher Classification (Bump-Ups)   
  02/23/2004      69 FR 8126      Proposed Approval      Change to a Higher Classification (Bump-Ups)   
  04/16/2004      69 FR 20550      Final Approval      Change to a Higher Classification (Bump-Ups)   
  09/14/2011      76 FR 56694      Proposed Approval      Failure to Attain by Attainment Date   
  12/30/2011      76 FR 82133      Final Approval      Failure to Attain by Attainment Date   
  05/18/2016      81 FR 31206      Proposed Approval      Clean Data Determination/Attainment Determination   
  07/18/2016      81 FR 46608      Final Approval      Clean Data Determination/Attainment Determination   
SANTA BARBARA-SANTA MARIA-LOMPOC, CA
  09/02/1997      62 FR 46234      Proposed Approval      Change to a Higher Classification (Bump-Ups)   
  12/10/1997      62 FR 65025      Final Approval      Change to a Higher Classification (Bump-Ups)   
  07/01/2002      67 FR 44128      Proposed Approval      Clean Data Determination/Attainment Determination   
  08/27/2002      67 FR 54963      Final Approval      Clean Data Determination/Attainment Determination   
  03/25/2003      68 FR 14382      Proposed Approval      Redesignation to Maintenance   
  07/09/2003      68 FR 40789      Final Approval      Redesignation to Maintenance   
SOUTHEAST DESERT MODIFIED AQMA, CA
  08/15/2003      68 FR 48848      Proposed Approval      Boundary Change   
  10/07/2003      68 FR 57820      Final Approval      Boundary Change   
  09/14/2011      76 FR 56694      Proposed Approval      Failure to Attain by Attainment Date   
  12/30/2011      76 FR 82133      Final Approval      Failure to Attain by Attainment Date   
  01/02/2013      78 FR 51      Proposed Approval      Area Split   
  01/02/2013      78 FR 51      Proposed Approval      Correction/Clarification   
  09/23/2013      78 FR 58189      Final Approval      Area Split   
  09/23/2013      78 FR 58189      Final Approval      Correction/Clarification   
  08/25/2014      79 FR 50574      Proposed Approval      Clean Data Determination/Attainment Determination   
  04/15/2015      80 FR 20166      Final Approval      Clean Data Determination/Attainment Determination   
VENTURA COUNTY, CA
  05/27/2009      74 FR 25200      Proposed Approval      Clean Data Determination/Attainment Determination   
  05/27/2009      74 FR 25153      Direct Final      Clean Data Determination/Attainment Determination   
COLORADO
DENVER-BOULDER, CO
  05/11/2001      66 FR 24075      Proposed Approval      Redesignation to Maintenance   
  09/11/2001      66 FR 47086      Final Approval      Redesignation to Maintenance   
CONNECTICUT
GREATER CONNECTICUT, CT
  12/16/1999      64 FR 70332      Proposed Approval      Attainment Date Extension   
  01/03/2001      66 FR 633      Final Approval      Attainment Date Extension   
  11/23/2011      76 FR 72377      Proposed Approval      Failure to Attain by Attainment Date   
  11/23/2011      76 FR 72377      Proposed Approval      Clean Data Determination/Attainment Determination   
  03/16/2012      77 FR 15607      Direct Final      Failure to Attain by Attainment Date   
  03/16/2012      77 FR 15607      Direct Final      Clean Data Determination/Attainment Determination   
  04/18/2012      77 FR 23130      Final Approval      Correction/Clarification   
NEW YORK-N. NEW JERSEY-LONG ISLAND, NY-NJ-CT
  01/25/2012      77 FR 3720      Proposed Approval      Failure to Attain by Attainment Date   
  01/25/2012      77 FR 3720      Proposed Approval      Clean Data Determination/Attainment Determination   
  06/18/2012      77 FR 36163      Final Approval      Failure to Attain by Attainment Date   
  06/18/2012      77 FR 36163      Final Approval      Clean Data Determination/Attainment Determination   
  08/09/2012      77 FR 47533      Final Approval      Correction/Clarification   
DELAWARE
PHILADELPHIA-WILMINGTON-TRENTON, PA-NJ-DE-MD
  04/28/2008      73 FR 22896      Proposed Approval      Clean Data Determination/Attainment Determination   
  07/25/2008      73 FR 43360      Final Approval      Clean Data Determination/Attainment Determination   
SUSSEX COUNTY, DE
  01/17/1995      60 FR 3349      Direct Final      Clean Data Determination/Attainment Determination   
DISTRICT OF COLUMBIA
WASHINGTON, DC-MD-VA
  12/16/1999      64 FR 70460      Proposed Approval      Attainment Date Extension   
  01/03/2001      66 FR 585      Final Approval      Attainment Date Extension   
  07/02/2002      99 FR 1070      Court-Order      Attainment Date Extension Vacated   
  11/13/2002      67 FR 68805      Proposed Approval      Change to a Higher Classification (Bump-Ups)   
  01/24/2003      68 FR 3410      Final Approval      Change to a Higher Classification (Bump-Ups)   
  04/28/2008      73 FR 22896      Proposed Approval      Clean Data Determination/Attainment Determination   
  07/25/2008      73 FR 43360      Final Approval      Clean Data Determination/Attainment Determination   
FLORIDA
JACKSONVILLE, FL
  01/03/1995      60 FR 41      Direct Final      Redesignation to Maintenance   
MIAMI-FORT LAUDERDALE-W. PALM BEACH, FL
  02/24/1995      60 FR 10341      Proposed Approval      Redesignation to Maintenance   
  02/24/1995      60 FR 10325      Direct Final      Redesignation to Maintenance   
TAMPA-ST. PETERSBURG-CLEARWATER, FL
  12/07/1995      60 FR 62793      Proposed Approval      Redesignation to Maintenance   
  12/07/1995      60 FR 62748      Direct Final      Redesignation to Maintenance   
GEORGIA
ATLANTA, GA
  12/11/2001      66 FR 63972      Proposed Approval      Change to a Higher Classification (Bump-Ups)   
  12/11/2001      66 FR 63972      Proposed Approval      Attainment Date Extension   
  05/07/2002      67 FR 30574      Final Approval      Attainment Date Extension   
  09/26/2003      68 FR 55469      Final Approval      Change to a Higher Classification (Bump-Ups)   
  04/20/2005      70 FR 20495      Proposed Approval      Redesignation to Maintenance   
  06/14/2005      70 FR 34358      Final Approval      Clean Data Determination/Attainment Determination   
  06/15/2005      70 FR 34660      Final Approval      Redesignation to Maintenance   
ILLINOIS
CHICAGO-GARY-LAKE COUNTY, IL-IN
  07/07/2008      73 FR 38353      Proposed Approval      Clean Data Determination/Attainment Determination   
  12/30/2008      73 FR 79652      Final Approval      Clean Data Determination/Attainment Determination   
JERSEY COUNTY, IL
  11/25/1994      59 FR 60577      Proposed Approval      Redesignation to Maintenance   
  03/14/1995      60 FR 13634      Final Approval      Redesignation to Maintenance   
ST. LOUIS, MO-IL
  03/18/1999      64 FR 13384      Proposed Approval      Change to a Higher Classification (Bump-Ups)   
  03/19/2001      66 FR 15577      Final Approval      Change to a Higher Classification (Bump-Ups)   
  04/03/2001      66 FR 17647      Proposed Approval      Attainment Date Extension   
  04/03/2001      66 FR 17647      Withdrawal      Change to a Higher Classification (Bump-Ups)   
  06/26/2001      66 FR 33995      Final Approval      Attainment Date Extension   
  11/25/2002      99 FR 2844      Court-Order      Attainment Date Extension Vacated   
  01/30/2003      68 FR 4847      Proposed Approval      Redesignation to Maintenance   
  01/30/2003      68 FR 4835      Final Approval      Change to a Higher Classification (Bump-Ups)   
  05/12/2003      68 FR 25442      Final Approval      Redesignation to Maintenance   
INDIANA
CHICAGO-GARY-LAKE COUNTY, IL-IN
  07/07/2008      73 FR 38353      Proposed Approval      Clean Data Determination/Attainment Determination   
  12/30/2008      73 FR 79652      Final Approval      Clean Data Determination/Attainment Determination   
EVANSVILLE, IN
  07/08/1994      59 FR 35079      Proposed Approval      Redesignation to Maintenance   
  07/08/1994      59 FR 35044      Direct Final      Redesignation to Maintenance   
  08/26/1994      59 FR 44040      Withdrawal      Redesignation to Maintenance   
  03/14/1997      62 FR 12137      Proposed Approval      Redesignation to Maintenance   
  12/09/1997      62 FR 64725      Final Approval      Redesignation to Maintenance   
INDIANAPOLIS, IN
  07/08/1994      59 FR 35079      Proposed Approval      Redesignation to Maintenance   
  07/08/1994      59 FR 35044      Direct Final      Redesignation to Maintenance   
  08/26/1994      59 FR 44040      Withdrawal      Redesignation to Maintenance   
  10/31/1994      59 FR 54391      Final Approval      Redesignation to Maintenance   
LOUISVILLE, KY-IN
  10/23/1997      62 FR 55203      Proposed Approval      Attainment Date Extension   
  10/23/1997      62 FR 55173      Direct Final      Attainment Date Extension   
  05/21/1999      64 FR 27734      Proposed Approval      Change to a Higher Classification (Bump-Ups)   
  05/17/2001      66 FR 27483      Proposed Approval      Clean Data Determination/Attainment Determination   
  06/22/2001      66 FR 33505      Proposed Approval      Redesignation to Maintenance   
  10/23/2001      66 FR 53665      Final Approval      Redesignation to Maintenance   
SOUTH BEND-ELKHART, IN
  07/08/1994      59 FR 35079      Proposed Approval      Redesignation to Maintenance   
  07/08/1994      59 FR 35044      Direct Final      Redesignation to Maintenance   
  08/26/1994      59 FR 44040      Withdrawal      Redesignation to Maintenance   
  10/31/1994      59 FR 54391      Final Approval      Redesignation to Maintenance   
KANSAS
KANSAS CITY, MO-KS
  01/15/1992      57 FR 1705      Proposed Approval      Redesignation to Maintenance   
  06/23/1992      57 FR 27936      Final Approval      Redesignation to Maintenance   
KENTUCKY
CINCINNATI-HAMILTON, OH-KY
  04/17/1996      61 FR 16738      Proposed Disapproval      Redesignation to Maintenance   
  09/27/1996      61 FR 50718      Final Disapproval      Redesignation to Maintenance   
  05/27/1997      62 FR 28650      Proposed Approval      Attainment Date Extension   
  05/27/1997      62 FR 28634      Direct Final      Attainment Date Extension   
  07/28/1997      62 FR 40280      Withdrawal      Attainment Date Extension   
  11/17/1997      62 FR 61241      Final Approval      Attainment Date Extension   
  03/26/1998      63 FR 14673      Proposed Approval      Attainment Date Extension   
  03/26/1998      63 FR 14623      Direct Final      Attainment Date Extension   
  01/24/2000      65 FR 3630      Proposed Approval      Redesignation to Maintenance   
  06/19/2000      65 FR 37879      Final Approval      Redesignation to Maintenance   
  09/11/2001      99 FR 9000      Court-Order      Redesignation to Maintenance Vacated   
  02/12/2002      67 FR 6459      Proposed Approval      Redesignation to Maintenance   
  02/12/2002      67 FR 6411      Direct Final      Redesignation to Maintenance   
  04/08/2002      67 FR 16646      Withdrawal      Redesignation to Maintenance   
  07/31/2002      67 FR 49600      Final Approval      Redesignation to Maintenance   
EDMONSON COUNTY, KY
  11/03/1994      59 FR 55072      Proposed Approval      Redesignation to Maintenance   
  11/03/1994      59 FR 55053      Direct Final      Redesignation to Maintenance   
HUNTINGTON-ASHLAND, WV-KY
  12/16/1994      59 FR 65000      Proposed Approval      Redesignation to Maintenance   
  06/29/1995      60 FR 33748      Final Approval      Redesignation to Maintenance   
LEXINGTON-FAYETTE, KY
  09/11/1995      60 FR 47139      Proposed Approval      Redesignation to Maintenance   
  09/11/1995      60 FR 47089      Direct Final      Redesignation to Maintenance   
LOUISVILLE, KY-IN
  10/23/1997      62 FR 55203      Proposed Approval      Attainment Date Extension   
  10/23/1997      62 FR 55173      Direct Final      Attainment Date Extension   
  05/21/1999      64 FR 27734      Proposed Approval      Change to a Higher Classification (Bump-Ups)   
  05/17/2001      66 FR 27483      Proposed Approval      Clean Data Determination/Attainment Determination   
  06/22/2001      66 FR 33505      Proposed Approval      Redesignation to Maintenance   
  10/23/2001      66 FR 53665      Final Approval      Redesignation to Maintenance   
OWENSBORO, KY
  11/03/1994      59 FR 55072      Proposed Approval      Redesignation to Maintenance   
  11/03/1994      59 FR 55053      Direct Final      Redesignation to Maintenance   
PADUCAH, KY
  02/07/1995      60 FR 7154      Proposed Approval      Redesignation to Maintenance   
  02/07/1995      60 FR 7124      Direct Final      Redesignation to Maintenance   
LOUISIANA
BATON ROUGE, LA
  07/22/1996      61 FR 37833      Direct Final      Redesignation to Maintenance   
  09/25/1996      61 FR 50238      Withdrawal      Redesignation to Maintenance   
  05/09/2001      66 FR 23646      Proposed Approval      Change to a Higher Classification (Bump-Ups)   
  05/09/2001      66 FR 23646      Proposed Approval      Attainment Date Extension   
  07/25/2001      66 FR 38608      Proposed Approval      Attainment Date Extension   
  06/24/2002      67 FR 42697      Proposed Approval      Deferral of Designation   
  06/24/2002      67 FR 42687      Final Approval      Change to a Higher Classification (Bump-Ups)   
  08/02/2002      67 FR 50391      Proposed Approval      Attainment Date Extension   
  08/02/2002      67 FR 50391      Withdrawal      Change to a Higher Classification (Bump-Ups)   
  08/20/2002      67 FR 53882      Final Approval      Deferral of Designation   
  10/02/2002      67 FR 61786      Final Approval      Attainment Date Extension   
  04/24/2003      68 FR 20077      Final Approval      Change to a Higher Classification (Bump-Ups)   
  04/24/2003      68 FR 20077      Withdrawal      Attainment Date Extension   
  03/26/2009      74 FR 13166      Proposed Approval      Clean Data Determination/Attainment Determination   
  02/10/2010      75 FR 6570      Final Approval      Clean Data Determination/Attainment Determination   
BEAUREGARD PARISH, LA
  08/18/1995      60 FR 43104      Proposed Approval      Redesignation to Maintenance   
  08/18/1995      60 FR 43020      Direct Final      Redesignation to Maintenance   
GRANT PARISH, LA
  08/18/1995      60 FR 43104      Proposed Approval      Redesignation to Maintenance   
  08/18/1995      60 FR 43020      Direct Final      Redesignation to Maintenance   
LAFAYETTE, LA
  08/18/1995      60 FR 43104      Proposed Approval      Redesignation to Maintenance   
  08/18/1995      60 FR 43020      Direct Final      Redesignation to Maintenance   
LAFOURCHE PARISH, LA
  08/18/1995      60 FR 43104      Proposed Approval      Redesignation to Maintenance   
  08/18/1995      60 FR 43020      Direct Final      Redesignation to Maintenance   
  07/17/1997      62 FR 38237      Proposed Approval      Correction/Clarification   
  12/05/1997      62 FR 64284      Final Approval      Correction/Clarification   
  12/26/2001      66 FR 66382      Proposed Approval      Redesignation to Maintenance   
  12/26/2001      66 FR 66317      Direct Final      Redesignation to Maintenance   
LAKE CHARLES, LA
  02/06/1997      62 FR 5555      Proposed Approval      Redesignation to Maintenance   
  05/02/1997      62 FR 24036      Final Approval      Redesignation to Maintenance   
NEW ORLEANS, LA
  10/02/1995      60 FR 51382      Proposed Approval      Redesignation to Maintenance   
  10/02/1995      60 FR 51354      Direct Final      Redesignation to Maintenance   
POINTE COUPEE PARISH, LA
  07/22/1996      61 FR 37875      Proposed Approval      Area Split   
  07/22/1996      61 FR 37875      Proposed Approval      Change to a Lower Classification   
  07/22/1996      61 FR 37875      Proposed Approval      Redesignation to Maintenance   
  07/22/1996      61 FR 37833      Direct Final      Area Split   
  07/22/1996      61 FR 37833      Direct Final      Change to a Lower Classification   
  07/22/1996      61 FR 37833      Direct Final      Redesignation to Maintenance   
  09/25/1996      61 FR 50238      Withdrawal      Redesignation to Maintenance   
  01/06/1997      62 FR 648      Final Approval      Change to a Lower Classification   
  01/06/1997      62 FR 648      Final Approval      Redesignation to Maintenance   
ST. JAMES PARISH, LA
  09/12/1995      60 FR 47324      Proposed Approval      Redesignation to Maintenance   
  09/12/1995      60 FR 47280      Direct Final      Redesignation to Maintenance   
ST. MARY PARISH, LA
  08/18/1995      60 FR 43104      Proposed Approval      Redesignation to Maintenance   
  08/18/1995      60 FR 43020      Direct Final      Redesignation to Maintenance   
MAINE
HANCOCK COUNTY AND WALDO COUNTY, ME
  02/22/1995      60 FR 9813      Proposed Approval      Attainment Date Extension   
  06/28/1995      60 FR 33351      Final Approval      Attainment Date Extension   
  02/28/1997      62 FR 9140      Proposed Approval      Redesignation to Maintenance   
  02/28/1997      62 FR 9081      Direct Final      Redesignation to Maintenance   
PORTLAND, ME
  04/16/1997      62 FR 18557      Proposed Approval      Attainment Date Extension   
  04/16/1997      62 FR 18526      Direct Final      Attainment Date Extension   
  09/17/2002      67 FR 58551      Proposed Approval      Change to a Higher Classification (Bump-Ups)   
  09/17/2002      67 FR 58551      Proposed Approval      Redesignation to Maintenance   
MARYLAND
BALTIMORE, MD
  02/01/2012      77 FR 4940      Proposed Approval      Failure to Attain by Attainment Date   
  02/01/2012      77 FR 4940      Proposed Approval      Clean Data Determination/Attainment Determination   
  06/12/2012      77 FR 34810      Final Approval      Failure to Attain by Attainment Date   
  06/12/2012      77 FR 34810      Final Approval      Clean Data Determination/Attainment Determination   
KENT COUNTY AND QUEEN ANNE'S COUNTY, MD
  01/17/1995      60 FR 3349      Direct Final      Failure to Attain by Attainment Date   
  01/17/1995      60 FR 3349      Direct Final      Clean Data Determination/Attainment Determination   
  08/02/2004      69 FR 46124      Proposed Approval      Redesignation to Maintenance   
  10/21/2004      69 FR 61766      Final Approval      Redesignation to Maintenance   
PHILADELPHIA-WILMINGTON-TRENTON, PA-NJ-DE-MD
  04/28/2008      73 FR 22896      Proposed Approval      Clean Data Determination/Attainment Determination   
  07/25/2008      73 FR 43360      Final Approval      Clean Data Determination/Attainment Determination   
WASHINGTON, DC-MD-VA
  12/16/1999      64 FR 70460      Proposed Approval      Attainment Date Extension   
  01/03/2001      66 FR 585      Final Approval      Attainment Date Extension   
  07/02/2002      99 FR 1070      Court-Order      Attainment Date Extension Vacated   
  11/13/2002      67 FR 68805      Proposed Approval      Change to a Higher Classification (Bump-Ups)   
  01/24/2003      68 FR 3410      Final Approval      Change to a Higher Classification (Bump-Ups)   
  04/28/2008      73 FR 22896      Proposed Approval      Clean Data Determination/Attainment Determination   
  07/25/2008      73 FR 43360      Final Approval      Clean Data Determination/Attainment Determination   
MASSACHUSETTS
BOSTON-LAWRENCE-WORCESTER (E. MASS), MA-NH
  10/15/2002      67 FR 63586      Proposed Approval      Attainment Date Extension   
  12/06/2002      67 FR 72576      Final Approval      Attainment Date Extension   
  12/14/2011      76 FR 77739      Proposed Approval      Clean Data Determination/Attainment Determination   
  01/18/2012      77 FR 2495      Proposed Approval      Correction/Clarification   
  05/29/2012      77 FR 31496      Final Approval      Clean Data Determination/Attainment Determination   
SPRINGFIELD (WESTERN MA), MA
  12/16/1999      64 FR 70319      Proposed Approval      Attainment Date Extension   
  01/03/2001      66 FR 665      Final Approval      Attainment Date Extension   
  01/24/2012      77 FR 3417      Proposed Approval      Failure to Attain by Attainment Date   
  01/24/2012      77 FR 3417      Proposed Approval      Clean Data Determination/Attainment Determination   
  04/30/2012      77 FR 25362      Final Approval      Failure to Attain by Attainment Date   
  04/30/2012      77 FR 25362      Final Approval      Clean Data Determination/Attainment Determination   
MICHIGAN
ALLEGAN COUNTY, MI
  08/08/1995      60 FR 40338      Proposed Approval      Correction/Clarification   
  08/08/1995      60 FR 40297      Direct Final      Correction/Clarification   
  10/02/1995      60 FR 51360      Withdrawal      Correction/Clarification   
  02/14/1996      61 FR 5707      Final Approval      Correction/Clarification   
  11/24/2000      65 FR 70540      Proposed Approval      Redesignation to Maintenance   
  11/24/2000      65 FR 70490      Direct Final      Redesignation to Maintenance   
DETROIT-ANN ARBOR, MI
  07/21/1994      59 FR 37190      Proposed Approval      Redesignation to Maintenance   
  03/07/1995      60 FR 12459      Final Approval      Redesignation to Maintenance   
FLINT, MI
  11/13/2000      65 FR 67675      Proposed Approval      Redesignation to Maintenance   
  11/13/2000      65 FR 67629      Direct Final      Redesignation to Maintenance   
GRAND RAPIDS, MI
  04/02/1996      61 FR 14522      Proposed Approval      Redesignation to Maintenance   
  06/21/1996      61 FR 31831      Final Approval      Redesignation to Maintenance   
MUSKEGON, MI
  11/30/1992      57 FR 56762      Final Approval      Change to a Lower Classification   
  08/30/2000      65 FR 52690      Proposed Approval      Redesignation to Maintenance   
  08/30/2000      65 FR 52651      Direct Final      Redesignation to Maintenance   
SAGINAW-BAY CITY-MIDLAND, MI
  11/13/2000      65 FR 67675      Proposed Approval      Redesignation to Maintenance   
  11/13/2000      65 FR 67629      Direct Final      Redesignation to Maintenance   
MISSOURI
KANSAS CITY, MO-KS
  01/15/1992      57 FR 1700      Proposed Approval      Redesignation to Maintenance   
  06/23/1992      57 FR 27939      Final Approval      Redesignation to Maintenance   
ST. LOUIS, MO-IL
  03/18/1999      64 FR 13384      Proposed Approval      Change to a Higher Classification (Bump-Ups)   
  03/19/2001      66 FR 15577      Final Approval      Change to a Higher Classification (Bump-Ups)   
  04/03/2001      66 FR 17647      Proposed Approval      Attainment Date Extension   
  04/03/2001      66 FR 17647      Withdrawal      Change to a Higher Classification (Bump-Ups)   
  06/26/2001      66 FR 33995      Final Approval      Attainment Date Extension   
  11/25/2002      99 FR 2844      Court-Order      Attainment Date Extension Vacated   
  01/30/2003      68 FR 4847      Proposed Approval      Redesignation to Maintenance   
  01/30/2003      68 FR 4835      Final Approval      Change to a Higher Classification (Bump-Ups)   
  02/13/2003      68 FR 7410      Final Approval      Correction/Clarification   
  05/12/2003      68 FR 25418      Final Approval      Redesignation to Maintenance   
NEVADA
RENO, NV
  05/02/2005      70 FR 22803      Final Approval      Clean Data Determination/Attainment Determination   
NEW HAMPSHIRE
BOSTON-LAWRENCE-WORCESTER (E. MASS), MA-NH
  10/21/2002      67 FR 64582      Proposed Approval      Attainment Date Extension   
  12/06/2002      67 FR 72574      Final Approval      Attainment Date Extension   
  12/14/2011      76 FR 77739      Proposed Approval      Clean Data Determination/Attainment Determination   
  01/18/2012      77 FR 2495      Proposed Approval      Correction/Clarification   
  05/29/2012      77 FR 31496      Final Approval      Clean Data Determination/Attainment Determination   
MANCHESTER, NH
  07/19/2012      77 FR 42470      Proposed Approval      Clean Data Determination/Attainment Determination   
  10/30/2012      77 FR 65625      Final Approval      Clean Data Determination/Attainment Determination   
PORTSMOUTH-DOVER-ROCHESTER, NH
  07/19/2012      77 FR 42470      Proposed Approval      Clean Data Determination/Attainment Determination   
  10/30/2012      77 FR 65625      Final Approval      Clean Data Determination/Attainment Determination   
NEW JERSEY
ALLENTOWN-BETHLEHEM-EASTON, PA-NJ
  07/28/1994      59 FR 38000      Proposed Approval      Clean Data Determination/Attainment Determination   
  10/06/1994      59 FR 50848      Final Approval      Clean Data Determination/Attainment Determination   
  01/17/1995      60 FR 3349      Direct Final      Clean Data Determination/Attainment Determination   
ATLANTIC CITY, NJ
  09/23/2009      74 FR 48498      Proposed Approval      Clean Data Determination/Attainment Determination   
  12/07/2009      74 FR 63993      Final Approval      Clean Data Determination/Attainment Determination   
NEW YORK-N. NEW JERSEY-LONG ISLAND, NY-NJ-CT
  01/25/2012      77 FR 3720      Proposed Approval      Failure to Attain by Attainment Date   
  01/25/2012      77 FR 3720      Proposed Approval      Clean Data Determination/Attainment Determination   
  06/18/2012      77 FR 36163      Final Approval      Failure to Attain by Attainment Date   
  06/18/2012      77 FR 36163      Final Approval      Clean Data Determination/Attainment Determination   
  08/09/2012      77 FR 47533      Final Approval      Correction/Clarification   
PHILADELPHIA-WILMINGTON-TRENTON, PA-NJ-DE-MD
  07/23/2008      73 FR 42727      Proposed Approval      Clean Data Determination/Attainment Determination   
  04/08/2009      74 FR 15864      Final Approval      Clean Data Determination/Attainment Determination   
NEW MEXICO
DONA ANA COUNTY (PART); SUNLAND PARK, NM
  04/07/1995      60 FR 17756      Proposed Approval      Designation to Nonattainment   
  06/12/1995      60 FR 30789      Final Approval      Designation to Nonattainment   
NEW YORK
ALBANY-SCHENECTADY-TROY, NY
  07/28/1994      59 FR 38000      Proposed Approval      Clean Data Determination/Attainment Determination   
  10/06/1994      59 FR 50848      Final Approval      Clean Data Determination/Attainment Determination   
BUFFALO-NIAGARA FALLS, NY
  07/28/1994      59 FR 38000      Proposed Approval      Clean Data Determination/Attainment Determination   
  10/06/1994      59 FR 50848      Final Approval      Clean Data Determination/Attainment Determination   
ESSEX COUNTY; WHITEFACE MOUNTAIN, NY
  07/28/1994      59 FR 38000      Proposed Approval      Clean Data Determination/Attainment Determination   
  10/06/1994      59 FR 50848      Final Approval      Clean Data Determination/Attainment Determination   
JEFFERSON COUNTY, NY
  07/28/1994      59 FR 38000      Proposed Approval      Clean Data Determination/Attainment Determination   
  10/06/1994      59 FR 50848      Final Approval      Clean Data Determination/Attainment Determination   
NEW YORK-N. NEW JERSEY-LONG ISLAND, NY-NJ-CT
  11/30/1992      57 FR 56762      Final Approval      Boundary Change   
  01/25/2012      77 FR 3720      Proposed Approval      Failure to Attain by Attainment Date   
  01/25/2012      77 FR 3720      Proposed Approval      Clean Data Determination/Attainment Determination   
  06/18/2012      77 FR 36163      Final Approval      Failure to Attain by Attainment Date   
  06/18/2012      77 FR 36163      Final Approval      Clean Data Determination/Attainment Determination   
  08/09/2012      77 FR 47533      Final Approval      Correction/Clarification   
POUGHKEEPSIE, NY
  04/21/1994      59 FR 18967      Final Approval      Boundary Change   
  07/28/1994      59 FR 38000      Proposed Approval      Change to a Higher Classification (Bump-Ups)   
  10/06/1994      59 FR 50848      Final Approval      Change to a Higher Classification (Bump-Ups)   
  09/23/2009      74 FR 48498      Proposed Approval      Clean Data Determination/Attainment Determination   
  12/07/2009      74 FR 63993      Final Approval      Clean Data Determination/Attainment Determination   
NORTH CAROLINA
CHARLOTTE-GASTONIA, NC
  04/17/1995      60 FR 19197      Proposed Approval      Redesignation to Maintenance   
  07/05/1995      60 FR 34859      Final Approval      Redesignation to Maintenance   
GREENSBORO-WINSTON-SALEM-HIGH POINT, NC
  09/09/1993      58 FR 47391      Final Approval      Redesignation to Maintenance   
RALEIGH-DURHAM, NC
  04/18/1994      59 FR 18300      Final Approval      Redesignation to Maintenance   
OHIO
CANTON, OH
  01/31/1996      61 FR 3362      Proposed Approval      Redesignation to Maintenance   
  01/31/1996      61 FR 3319      Direct Final      Redesignation to Maintenance   
CINCINNATI-HAMILTON, OH-KY
  05/05/1995      60 FR 22337      Proposed Approval      Redesignation to Maintenance   
  02/18/1997      62 FR 7194      Proposed Disapproval      Redesignation to Maintenance   
  05/27/1997      62 FR 28650      Proposed Approval      Attainment Date Extension   
  05/27/1997      62 FR 28634      Direct Final      Attainment Date Extension   
  07/28/1997      62 FR 40280      Withdrawal      Attainment Date Extension   
  11/17/1997      62 FR 61241      Final Approval      Attainment Date Extension   
  03/26/1998      63 FR 14673      Proposed Approval      Attainment Date Extension   
  03/26/1998      63 FR 14623      Direct Final      Attainment Date Extension   
  01/24/2000      65 FR 3630      Proposed Approval      Redesignation to Maintenance   
  06/19/2000      65 FR 37879      Final Approval      Redesignation to Maintenance   
  09/11/2001      99 FR 9000      Court-Order      Redesignation to Maintenance Vacated   
  03/12/2002      67 FR 11041      Final Approval      Technical Amendment   
  04/15/2005      70 FR 19895      Proposed Approval      Redesignation to Maintenance   
  06/21/2005      70 FR 35946      Final Approval      Redesignation to Maintenance   
CLEVELAND-AKRON-LORAIN, OH
  06/15/1995      60 FR 31433      Proposed Approval      Redesignation to Maintenance   
  05/07/1996      61 FR 20458      Final Approval      Redesignation to Maintenance   
CLINTON COUNTY, OH
  05/05/1995      60 FR 22337      Proposed Approval      Redesignation to Maintenance   
  03/21/1996      61 FR 11560      Final Approval      Redesignation to Maintenance   
COLUMBIANA COUNTY, OH
  09/21/1994      59 FR 48416      Proposed Approval      Redesignation to Maintenance   
  09/21/1994      59 FR 48395      Direct Final      Redesignation to Maintenance   
  01/30/1995      60 FR 5582      Withdrawal      Redesignation to Maintenance   
  02/08/1995      60 FR 7453      Final Approval      Redesignation to Maintenance   
COLUMBUS, OH
  02/01/1996      61 FR 3635      Proposed Approval      Redesignation to Maintenance   
  02/01/1996      61 FR 3591      Direct Final      Redesignation to Maintenance   
DAYTON-SPRINGFIELD, OH
  05/05/1995      60 FR 22336      Proposed Approval      Redesignation to Maintenance   
  05/05/1995      60 FR 22289      Direct Final      Redesignation to Maintenance   
  03/07/1997      62 FR 10463      Final Approval      Correction/Clarification   
PREBLE COUNTY, OH
  09/21/1994      59 FR 48416      Proposed Approval      Redesignation to Maintenance   
  09/21/1994      59 FR 48395      Direct Final      Redesignation to Maintenance   
  01/30/1995      60 FR 5582      Withdrawal      Redesignation to Maintenance   
  02/08/1995      60 FR 7453      Final Approval      Redesignation to Maintenance   
STEUBENVILLE, OH
  09/21/1994      59 FR 48416      Proposed Approval      Redesignation to Maintenance   
  09/21/1994      59 FR 48395      Direct Final      Redesignation to Maintenance   
  01/30/1995      60 FR 5582      Withdrawal      Redesignation to Maintenance   
  02/08/1995      60 FR 7453      Final Approval      Redesignation to Maintenance   
TOLEDO, OH
  05/02/1995      60 FR 21490      Proposed Approval      Redesignation to Maintenance   
  05/02/1995      60 FR 21456      Direct Final      Redesignation to Maintenance   
  06/19/1995      60 FR 31917      Withdrawal      Redesignation to Maintenance   
  08/01/1995      60 FR 39115      Final Approval      Redesignation to Maintenance   
YOUNGSTOWN-WARREN-SHARON, OH-PA
  01/17/1995      60 FR 3349      Direct Final      Clean Data Determination/Attainment Determination   
  01/31/1996      61 FR 3362      Proposed Approval      Redesignation to Maintenance   
  01/31/1996      61 FR 3319      Direct Final      Redesignation to Maintenance   
OREGON
PORTLAND-VANCOUVER AQMA, OR-WA
  03/07/1997      62 FR 10501      Proposed Approval      Redesignation to Maintenance   
  05/19/1997      62 FR 27204      Final Approval      Redesignation to Maintenance   
SALEM, OR
  11/30/1992      57 FR 56762      Final Approval      Boundary Change   
PENNSYLVANIA
ALLENTOWN-BETHLEHEM-EASTON, PA-NJ
  01/17/1995      60 FR 3349      Direct Final      Clean Data Determination/Attainment Determination   
ALTOONA, PA
  01/17/1995      60 FR 3349      Direct Final      Clean Data Determination/Attainment Determination   
ERIE, PA
  01/17/1995      60 FR 3349      Direct Final      Clean Data Determination/Attainment Determination   
HARRISBURG-LEBANON-CARLISLE, PA
  01/17/1995      60 FR 3349      Direct Final      Clean Data Determination/Attainment Determination   
JOHNSTOWN, PA
  01/17/1995      60 FR 3349      Direct Final      Clean Data Determination/Attainment Determination   
LANCASTER, PA
  01/17/1995      60 FR 3349      Direct Final      Clean Data Determination/Attainment Determination   
PHILADELPHIA-WILMINGTON-TRENTON, PA-NJ-DE-MD
  04/28/2008      73 FR 22896      Proposed Approval      Clean Data Determination/Attainment Determination   
  07/25/2008      73 FR 43360      Final Approval      Clean Data Determination/Attainment Determination   
PITTSBURGH-BEAVER VALLEY, PA
  05/26/1995      60 FR 27945      Proposed Approval      Clean Data Determination/Attainment Determination   
  05/26/1995      60 FR 27893      Direct Final      Clean Data Determination/Attainment Determination   
  02/07/1996      61 FR 4598      Proposed Disapproval      Redesignation to Maintenance   
  05/01/1996      61 FR 19193      Final Disapproval      Redesignation to Maintenance   
  05/12/1996      61 FR 5360      Proposed Approval      Clean Data Determination Revocation   
  06/04/1996      61 FR 28061      Final Approval      Clean Data Determination Revocation   
  02/25/1997      62 FR 8414      Proposed Approval      Attainment Date Extension   
  02/25/1997      62 FR 8389      Direct Final      Attainment Date Extension   
  01/10/2001      66 FR 1925      Proposed Approval      Clean Data Determination/Attainment Determination   
  05/30/2001      66 FR 29270      Proposed Approval      Redesignation to Maintenance   
  10/19/2001      66 FR 53094      Final Approval      Redesignation to Maintenance   
READING, PA
  05/26/1995      60 FR 27945      Proposed Approval      Clean Data Determination/Attainment Determination   
  05/26/1995      60 FR 27893      Direct Final      Clean Data Determination/Attainment Determination   
  10/10/1996      61 FR 53174      Proposed Approval      Redesignation to Maintenance   
  05/07/1997      62 FR 24826      Final Approval      Redesignation to Maintenance   
SCRANTON-WILKES-BARRE, PA
  01/17/1995      60 FR 3349      Direct Final      Clean Data Determination/Attainment Determination   
YORK, PA
  01/17/1995      60 FR 3349      Direct Final      Clean Data Determination/Attainment Determination   
YOUNGSTOWN-WARREN-SHARON, OH-PA
  01/17/1995      60 FR 3349      Direct Final      Clean Data Determination/Attainment Determination   
RHODE ISLAND
PROVIDENCE (ALL OF RI), RI
  02/14/2003      68 FR 7476      Proposed Approval      Attainment Date Extension   
  04/07/2003      68 FR 16721      Final Approval      Attainment Date Extension   
SOUTH CAROLINA
CHEROKEE COUNTY, SC
  12/15/1992      57 FR 59300      Final Approval      Redesignation to Maintenance   
TENNESSEE
KNOXVILLE, TN
  03/31/1993      58 FR 16806      Proposed Approval      Redesignation to Maintenance   
  09/27/1993      58 FR 50271      Final Approval      Redesignation to Maintenance   
MEMPHIS, TN
  08/04/1994      59 FR 39715      Proposed Approval      Redesignation to Maintenance   
  08/04/1994      59 FR 39692      Direct Final      Redesignation to Maintenance   
  10/26/1994      59 FR 53741      Withdrawal      Redesignation to Maintenance   
  01/17/1995      60 FR 3352      Final Approval      Redesignation to Maintenance   
NASHVILLE, TN
  06/24/1996      61 FR 32386      Proposed Approval      Redesignation to Maintenance   
  10/30/1996      61 FR 55903      Final Approval      Redesignation to Maintenance   
TEXAS
BEAUMONT-PORT ARTHUR, TX
  04/02/1996      61 FR 14496      Direct Final      Change to a Lower Classification   
  04/16/1999      64 FR 18864      Proposed Approval      Change to a Higher Classification (Bump-Ups)   
  12/27/2000      65 FR 81786      Proposed Approval      Attainment Date Extension   
  05/15/2001      66 FR 26913      Final Approval      Attainment Date Extension   
  12/31/2002      99 FR 60537      Court-Order      Attainment Date Extension Vacated   
  06/19/2003      68 FR 36756      Withdrawal      Attainment Date Extension   
  03/30/2004      69 FR 16483      Final Approval      Change to a Higher Classification (Bump-Ups)   
  03/30/2004      69 FR 16483      Withdrawal      Attainment Date Extension   
  05/17/2010      75 FR 27514      Proposed Approval      Clean Data Determination/Attainment Determination   
  10/20/2010      75 FR 64675      Final Approval      Clean Data Determination/Attainment Determination   
DALLAS-FORT WORTH, TX
  09/02/1997      62 FR 46238      Proposed Approval      Change to a Higher Classification (Bump-Ups)   
  02/18/1998      63 FR 8128      Final Approval      Change to a Higher Classification (Bump-Ups)   
  01/18/2001      66 FR 4756      Proposed Approval      Attainment Date Extension   
  07/11/2008      73 FR 39897      Proposed Approval      Clean Data Determination/Attainment Determination   
  10/16/2008      73 FR 61357      Final Approval      Clean Data Determination/Attainment Determination   
  05/25/2016      81 FR 33161      Proposed Approval      Actions on Revoked NAAQS   
  11/08/2016      81 FR 78688      Final Approval      Actions on Revoked NAAQS   
  06/24/2019      84 FR 29471      Proposed Approval      Actions on Revoked NAAQS   
  04/06/2020      85 FR 19096      Final Approval      Actions on Revoked NAAQS   
HOUSTON-GALVESTON-BRAZORIA, TX
  02/01/2012      77 FR 4937      Proposed Approval      Failure to Attain by Attainment Date   
  06/19/2012      77 FR 36400      Final Approval      Failure to Attain by Attainment Date   
  08/18/2015      80 FR 49970      Proposed Approval      Clean Data Determination/Attainment Determination   
  08/18/2015      80 FR 49970      Proposed Approval      Actions on Revoked NAAQS   
  10/20/2015      80 FR 63429      Final Approval      Actions on Revoked NAAQS   
  02/14/2020      85 FR 8411      Final Approval      Actions on Revoked NAAQS   
VICTORIA, TX
  03/07/1995      60 FR 12520      Proposed Approval      Redesignation to Maintenance   
  03/07/1995      60 FR 12453      Direct Final      Redesignation to Maintenance   
UTAH
SALT LAKE CITY, UT
  05/23/1997      62 FR 28396      Proposed Approval      Redesignation to Maintenance   
  07/17/1997      62 FR 38213      Final Approval      Redesignation to Maintenance   
VIRGINIA
NORFOLK-VIRGINIA BEACH-NEWPORT NEWS (HAMPTON ROADS), VA
  01/17/1995      60 FR 3349      Direct Final      Change to a Higher Classification (Bump-Ups)   
  03/13/1995      60 FR 13368      Withdrawal      Change to a Higher Classification (Bump-Ups)   
  03/12/1997      62 FR 11405      Proposed Approval      Redesignation to Maintenance   
  03/12/1997      62 FR 11337      Direct Final      Redesignation to Maintenance   
  04/29/1997      62 FR 23196      Proposed Approval      Redesignation to Maintenance   
  04/29/1997      62 FR 23139      Withdrawal      Redesignation to Maintenance   
  06/26/1997      62 FR 34408      Final Approval      Redesignation to Maintenance   
RICHMOND, VA
  08/17/1993      58 FR 43609      Proposed Approval      Redesignation to Maintenance   
  01/31/1994      59 FR 4263      Withdrawal      Redesignation to Maintenance   
  05/03/1994      59 FR 22757      Final Disapproval      Redesignation to Maintenance   
  10/23/1995      60 FR 54310      Final Approval      Boundary Change   
  06/13/1997      62 FR 32258      Proposed Approval      Redesignation to Maintenance   
  06/13/1997      62 FR 32204      Direct Final      Redesignation to Maintenance   
  08/04/1997      62 FR 43471      Withdrawal      Redesignation to Maintenance   
  11/17/1997      62 FR 61237      Final Approval      Redesignation to Maintenance   
WASHINGTON, DC-MD-VA
  12/16/1999      64 FR 70460      Proposed Approval      Attainment Date Extension   
  01/03/2001      66 FR 585      Final Approval      Attainment Date Extension   
  07/02/2002      99 FR 1070      Court-Order      Attainment Date Extension Vacated   
  11/13/2002      67 FR 68805      Proposed Approval      Change to a Higher Classification (Bump-Ups)   
  01/24/2003      68 FR 3410      Final Approval      Change to a Higher Classification (Bump-Ups)   
  04/28/2008      73 FR 22896      Proposed Approval      Clean Data Determination/Attainment Determination   
  07/25/2008      73 FR 43360      Final Approval      Clean Data Determination/Attainment Determination   
WASHINGTON
PORTLAND-VANCOUVER AQMA, OR-WA
  03/07/1997      62 FR 10501      Proposed Approval      Redesignation to Maintenance   
  05/19/1997      62 FR 27204      Final Approval      Redesignation to Maintenance   
SEATTLE-TACOMA, WA
  11/30/1992      57 FR 56762      Final Approval      Boundary Change   
  09/26/1996      61 FR 50465      Proposed Approval      Redesignation to Maintenance   
  09/26/1996      61 FR 50438      Direct Final      Redesignation to Maintenance   
WEST VIRGINIA
CHARLESTON, WV
  06/13/1994      59 FR 30326      Proposed Approval      Redesignation to Maintenance   
  09/06/1994      59 FR 45985      Final Approval      Redesignation to Maintenance   
GREENBRIER, WV
  01/17/1995      60 FR 3349      Direct Final      Clean Data Determination/Attainment Determination   
  08/04/1995      60 FR 39911      Proposed Approval      Redesignation to Maintenance   
  08/04/1995      60 FR 39857      Direct Final      Redesignation to Maintenance   
HUNTINGTON-ASHLAND, WV-KY
  09/06/1994      59 FR 46019      Proposed Approval      Redesignation to Maintenance   
  09/06/1994      59 FR 45980      Direct Final      Redesignation to Maintenance   
  11/03/1994      59 FR 55059      Withdrawal      Redesignation to Maintenance   
  12/21/1994      59 FR 65719      Final Approval      Redesignation to Maintenance   
PARKERSBURG-MARIETTA, WV
  06/10/1994      59 FR 29977      Proposed Approval      Redesignation to Maintenance   
  09/06/1994      59 FR 45978      Final Approval      Redesignation to Maintenance   
WISCONSIN
DOOR COUNTY, WI
  04/17/2003      68 FR 18934      Proposed Approval      Redesignation to Maintenance   
  04/17/2003      68 FR 18883      Direct Final      Redesignation to Maintenance   
KEWAUNEE COUNTY, WI
  06/11/1996      61 FR 29508      Proposed Approval      Redesignation to Maintenance   
  08/26/1996      61 FR 43668      Final Approval      Redesignation to Maintenance   
MANITOWOC COUNTY, WI
  06/11/1996      61 FR 29508      Proposed Approval      Redesignation to Maintenance   
  04/17/2003      68 FR 18934      Proposed Approval      Redesignation to Maintenance   
  04/17/2003      68 FR 18883      Direct Final      Redesignation to Maintenance   
MILWAUKEE-RACINE, WI
  04/24/2009      74 FR 18668      Proposed Approval      Clean Data Determination/Attainment Determination   
  04/24/2009      74 FR 18641      Direct Final      Clean Data Determination/Attainment Determination   
SHEBOYGAN, WI
  11/30/1992      57 FR 56762      Final Approval      Change to a Lower Classification   
  06/11/1996      61 FR 29508      Proposed Approval      Redesignation to Maintenance   
  08/26/1996      61 FR 43668      Final Approval      Redesignation to Maintenance   
WALWORTH COUNTY, WI
  06/05/1996      61 FR 28541      Proposed Approval      Redesignation to Maintenance   
  08/26/1996      61 FR 43668      Final Approval      Redesignation to Maintenance