Federal Register Notices Related to Ozone Designations and Classifications
Ordered Chronologically in Descending Order
As of November 13, 2009
Last Notice
| 09/23/2009 | Albany-Schenectady-Troy, NY | NEW YORK | 74 FR Page 48498 | Proposed Approval | Clean Air/Attainment Determination |
| 09/23/2009 | Allentown-Bethlehem-Easton, PA-NJ | NEW JERSEY | 74 FR Page 48498 | Proposed Approval | Clean Air/Attainment Determination |
| 09/23/2009 | Atlantic City, NJ | NEW JERSEY | 74 FR Page 48498 | Proposed Approval | Clean Air/Attainment Determination |
| 09/23/2009 | Buffalo-Niagara Falls, NY | NEW YORK | 74 FR Page 48498 | Proposed Approval | Clean Air/Attainment Determination |
| 09/23/2009 | Essex Co, NY | NEW YORK | 74 FR Page 48498 | Proposed Approval | Clean Air/Attainment Determination |
| 09/23/2009 | Jefferson Co, NY | NEW YORK | 74 FR Page 48498 | Proposed Approval | Clean Air/Attainment Determination |
| 09/23/2009 | Poughkeepsie, NY | NEW YORK | 74 FR Page 48498 | Proposed Approval | Clean Air/Attainment Determination |
| 05/27/2009 | Ventura Co, CA | CALIFORNIA | 74 FR Page 25200 | Proposed Approval | Clean Air/Attainment Determination |
| 05/27/2009 | Ventura Co, CA | CALIFORNIA | 74 FR Page 25153 | Direct Final | Clean Air/Attainment Determination |
| 04/24/2009 | Milwaukee-Racine, WI | WISCONSIN | 74 FR Page 18668 | Proposed Approval | Clean Air/Attainment Determination |
| 04/24/2009 | Milwaukee-Racine, WI | WISCONSIN | 74 FR Page 18641 | Direct Final | Clean Air/Attainment Determination |
| 04/08/2009 | Philadelphia-Wilmington-Trenton, PA | NEW JERSEY | 74 FR Page 15864 | Final Approval | Clean Air/Attainment Determination |
| 03/26/2009 | Baton Rouge, LA | LOUISIANA | 74 FR Page 13166 | Proposed Approval | Clean Air/Attainment Determination |
| 12/30/2008 | Chicago-Gary-Lake County, IL-IN | ILLINOIS | 73 FR Page 79652 | Final Approval | Clean Air/Attainment Determination |
| 12/30/2008 | Chicago-Gary-Lake County, IL-IN | INDIANA | 73 FR Page 79652 | Final Approval | Clean Air/Attainment Determination |
| 10/16/2008 | Dallas-Fort Worth, TX | TEXAS | 73 FR Page 61357 | Final Approval | Clean Air/Attainment Determination |
| 07/25/2008 | Philadelphia-Wilmington-Trenton, PA | DELAWARE | 73 FR Page 43360 | Final Approval | Clean Air/Attainment Determination |
| 07/25/2008 | Philadelphia-Wilmington-Trenton, PA | MARYLAND | 73 FR Page 43360 | Final Approval | Clean Air/Attainment Determination |
| 07/25/2008 | Philadelphia-Wilmington-Trenton, PA | PENNSYLVANIA | 73 FR Page 43360 | Final Approval | Clean Air/Attainment Determination |
| 07/25/2008 | Washington, DC-MD-VA | DISTRICT OF COL | 73 FR Page 43360 | Final Approval | Clean Air/Attainment Determination |
| 07/25/2008 | Washington, DC-MD-VA | MARYLAND | 73 FR Page 43360 | Final Approval | Clean Air/Attainment Determination |
| 07/25/2008 | Washington, DC-MD-VA | VIRGINIA | 73 FR Page 43360 | Final Approval | Clean Air/Attainment Determination |
| 07/23/2008 | Philadelphia-Wilmington-Trenton, PA | NEW JERSEY | 73 FR Page 42727 | Proposed Approval | Clean Air/Attainment Determination |
| 07/11/2008 | Dallas-Fort Worth, TX | TEXAS | 73 FR Page 39897 | Proposed Approval | Clean Air/Attainment Determination |
| 07/07/2008 | Chicago-Gary-Lake County, IL-IN | ILLINOIS | 73 FR Page 38353 | Proposed Approval | Clean Air/Attainment Determination |
| 07/07/2008 | Chicago-Gary-Lake County, IL-IN | INDIANA | 73 FR Page 38353 | Proposed Approval | Clean Air/Attainment Determination |
| 04/28/2008 | Philadelphia-Wilmington-Trenton, PA | DELAWARE | 73 FR Page 22896 | Proposed Approval | Clean Air/Attainment Determination |
| 04/28/2008 | Philadelphia-Wilmington-Trenton, PA | MARYLAND | 73 FR Page 22896 | Proposed Approval | Clean Air/Attainment Determination |
| 04/28/2008 | Philadelphia-Wilmington-Trenton, PA | PENNSYLVANIA | 73 FR Page 22896 | Proposed Approval | Clean Air/Attainment Determination |
| 04/28/2008 | Washington, DC-MD-VA | DISTRICT OF COL | 73 FR Page 22896 | Proposed Approval | Clean Air/Attainment Determination |
| 04/28/2008 | Washington, DC-MD-VA | MARYLAND | 73 FR Page 22896 | Proposed Approval | Clean Air/Attainment Determination |
| 04/28/2008 | Washington, DC-MD-VA | VIRGINIA | 73 FR Page 22896 | Proposed Approval | Clean Air/Attainment Determination |
| 11/10/2005 | Phoenix, AZ | ARIZONA | 70 FR Page 68390 | Proposed Approval | Boundary Change |
| 11/10/2005 | Phoenix, AZ | ARIZONA | 70 FR Page 68339 | Direct Final | Boundary Change |
| 06/21/2005 | Cincinnati-Hamilton, OH-KY | OHIO | 70 FR Page 35945 | Final Approval | Redesignation to Maintenance |
| 06/15/2005 | Atlanta, GA | GEORGIA | 70 FR Page 34660 | Final Approval | Redesignation to Maintenance |
| 06/14/2005 | Atlanta, GA | GEORGIA | 70 FR Page 34358 | Final Approval | Clean Air/Attainment Determination |
| 06/14/2005 | Phoenix, AZ | ARIZONA | 70 FR Page 34362 | Final Approval | Redesignation to Maintenance |
| 05/02/2005 | Reno, NV | NEVADA | 70 FR Page 22803 | Final Approval | Clean Air/Attainment Determination |
| 04/20/2005 | Atlanta, GA | GEORGIA | 70 FR Page 20495 | Proposed Approval | Redesignation to Maintenance |
| 04/15/2005 | Cincinnati-Hamilton, OH-KY | OHIO | 70 FR Page 19895 | Proposed Approval | Redesignation to Maintenance |
| 03/21/2005 | Phoenix, AZ | ARIZONA | 70 FR Page 13425 | Proposed Approval | Boundary Change |
| 03/21/2005 | Phoenix, AZ | ARIZONA | 70 FR Page 13425 | Proposed Approval | Redesignation to Maintenance |
| 10/21/2004 | Kent & Queen Anne's Co.s, MD | MARYLAND | 69 FR Page 61766 | Final Approval | Redesignation to Maintenance |
| 08/02/2004 | Kent & Queen Anne's Co.s, MD | MARYLAND | 69 FR Page 46124 | Proposed Approval | Redesignation to Maintenance |
| 04/22/2004 | East Kern Co, CA | CALIFORNIA | 69 FR Page 21800 | Proposed Approval | Redesignation to Maintenance |
| 04/22/2004 | East Kern Co, CA | CALIFORNIA | 69 FR Page 21731 | Direct Final | Redesignation to Maintenance |
| 04/22/2004 | San Francisco Bay Area, CA | CALIFORNIA | 69 FR Page 21717 | Final Approval | Clean Air/Attainment Determination |
| 04/16/2004 | San Joaquin Valley, CA | CALIFORNIA | 69 FR Page 20550 | Final Approval | Change to a Higher Classification (Bump-Ups) |
| 03/30/2004 | Beaumont-Port Arthur, TX | TEXAS | 69 FR Page 16483 | Final Approval | Change to a Higher Classification (Bump-Ups) |
| 03/30/2004 | Beaumont-Port Arthur, TX | TEXAS | 69 FR Page 16483 | Withdrawal | Attainment Date Extension |
| 03/12/2004 | Birmingham, AL | ALABAMA | 69 FR Page 11798 | Final Approval | Redesignation to Maintenance |
| 02/23/2004 | San Joaquin Valley, CA | CALIFORNIA | 69 FR Page 8126 | Proposed Approval | Change to a Higher Classification (Bump-Ups) |
| 01/06/2004 | Birmingham, AL | ALABAMA | 69 FR Page 558 | Proposed Approval | Redesignation to Maintenance |
| 10/31/2003 | San Francisco Bay Area, CA | CALIFORNIA | 68 FR Page 62041 | Proposed Approval | Clean Air/Attainment Determination |
| 10/20/2003 | Los Angeles South Coast Air Basin, | CALIFORNIA | 68 FR Page 59997 | Final Approval | Correction |
| 10/07/2003 | Los Angeles South Coast Air Basin, | CALIFORNIA | 68 FR Page 57820 | Final Approval | Boundary Change |
| 10/07/2003 | Southeast Desert Modified AQMA, CA | CALIFORNIA | 68 FR Page 57820 | Final Approval | Boundary Change |
| 09/26/2003 | Atlanta, GA | GEORGIA | 68 FR Page 55469 | Final Approval | Change to a Higher Classification (Bump-Ups) |
| 08/15/2003 | Los Angeles South Coast Air Basin, | CALIFORNIA | 68 FR Page 48848 | Proposed Approval | Boundary Change |
| 08/15/2003 | Southeast Desert Modified AQMA, CA | CALIFORNIA | 68 FR Page 48848 | Proposed Approval | Boundary Change |
| 08/12/2003 | San Diego, CA | CALIFORNIA | 68 FR Page 47964 | Final Approval | Correction |
| 07/09/2003 | Santa Barbara-Santa Maria-Lompoc, C | CALIFORNIA | 68 FR Page 40789 | Final Approval | Redesignation to Maintenance |
| 06/26/2003 | San Diego, CA | CALIFORNIA | 68 FR Page 37976 | Final Approval | Redesignation to Maintenance |
| 06/19/2003 | Beaumont-Port Arthur, TX | TEXAS | 68 FR Page 36756 | Withdrawal | Attainment Date Extension |
| 05/12/2003 | St Louis, MO-IL | ILLINOIS | 68 FR Page 25442 | Final Approval | Redesignation to Maintenance |
| 05/12/2003 | St Louis, MO-IL | MISSOURI | 68 FR Page 25418 | Final Approval | Redesignation to Maintenance |
| 04/24/2003 | Baton Rouge, LA | LOUISIANA | 68 FR Page 20077 | Final Approval | Change to a Higher Classification (Bump-Ups) |
| 04/24/2003 | Baton Rouge, LA | LOUISIANA | 68 FR Page 20077 | Withdrawal | Attainment Date Extension |
| 04/17/2003 | Door Co, WI | WISCONSIN | 68 FR Page 18934 | Proposed Approval | Redesignation to Maintenance |
| 04/17/2003 | Door Co, WI | WISCONSIN | 68 FR Page 18883 | Direct Final | Redesignation to Maintenance |
| 04/17/2003 | Manitowoc Co, WI | WISCONSIN | 68 FR Page 18934 | Proposed Approval | Redesignation to Maintenance |
| 04/17/2003 | Manitowoc Co, WI | WISCONSIN | 68 FR Page 18883 | Direct Final | Redesignation to Maintenance |
| 04/07/2003 | Providence (All RI), RI | RHODE ISLAND | 68 FR Page 16721 | Final Approval | Attainment Date Extension |
| 03/25/2003 | Santa Barbara-Santa Maria-Lompoc, C | CALIFORNIA | 68 FR Page 14382 | Proposed Approval | Redesignation to Maintenance |
| 03/20/2003 | San Diego, CA | CALIFORNIA | 68 FR Page 13653 | Proposed Approval | Redesignation to Maintenance |
| 02/14/2003 | Providence (All RI), RI | RHODE ISLAND | 68 FR Page 7476 | Proposed Approval | Attainment Date Extension |
| 02/13/2003 | St Louis, MO-IL | MISSOURI | 68 FR Page 7410 | Final Approval | Correction |
| 01/30/2003 | St Louis, MO-IL | ILLINOIS | 68 FR Page 4847 | Proposed Approval | Redesignation to Maintenance |
| 01/30/2003 | St Louis, MO-IL | ILLINOIS | 68 FR Page 4835 | Final Approval | Change to a Higher Classification (Bump-Ups) |
| 01/30/2003 | St Louis, MO-IL | MISSOURI | 68 FR Page 4847 | Proposed Approval | Redesignation to Maintenance |
| 01/30/2003 | St Louis, MO-IL | MISSOURI | 68 FR Page 4835 | Final Approval | Change to a Higher Classification (Bump-Ups) |
| 01/24/2003 | Washington, DC-MD-VA | DISTRICT OF COL | 68 FR Page 3410 | Final Approval | Change to a Higher Classification (Bump-Ups) |
| 01/24/2003 | Washington, DC-MD-VA | MARYLAND | 68 FR Page 3410 | Final Approval | Change to a Higher Classification (Bump-Ups) |
| 01/24/2003 | Washington, DC-MD-VA | VIRGINIA | 68 FR Page 3410 | Final Approval | Change to a Higher Classification (Bump-Ups) |
| 12/31/2002 | Beaumont-Port Arthur, TX | TEXAS | 99 FR Page 60537 | Court-Order | Attainment Date Extension |
| 12/06/2002 | Boston-Lawrence-Worcester (E. MA), | MASSACHUSETTS | 67 FR Page 72576 | Final Approval | Attainment Date Extension |
| 12/06/2002 | Boston-Lawrence-Worcester (E. MA), | NEW HAMPSHIRE | 67 FR Page 72574 | Final Approval | Attainment Date Extension |
| 11/25/2002 | St Louis, MO-IL | ILLINOIS | 99 FR Page 2844 | Court-Order | Attainment Date Extension |
| 11/25/2002 | St Louis, MO-IL | MISSOURI | 99 FR Page 2844 | Court-Order | Attainment Date Extension |
| 11/13/2002 | Washington, DC-MD-VA | DISTRICT OF COL | 67 FR Page 68805 | Proposed Approval | Change to a Higher Classification (Bump-Ups) |
| 11/13/2002 | Washington, DC-MD-VA | MARYLAND | 67 FR Page 68805 | Proposed Approval | Change to a Higher Classification (Bump-Ups) |
| 11/13/2002 | Washington, DC-MD-VA | VIRGINIA | 67 FR Page 68805 | Proposed Approval | Change to a Higher Classification (Bump-Ups) |
| 11/04/2002 | Birmingham, AL | ALABAMA | 67 FR Page 67113 | Final Approval | Clean Air/Attainment Determination |
| 10/23/2002 | San Diego, CA | CALIFORNIA | 67 FR Page 65043 | Final Approval | Clean Air/Attainment Determination |
| 10/23/2002 | San Diego, CA | CALIFORNIA | 67 FR Page 65045 | Withdrawal | Clean Air/Attainment Determination |
| 10/21/2002 | Boston-Lawrence-Worcester (E. MA), | NEW HAMPSHIRE | 67 FR Page 64582 | Proposed Approval | Attainment Date Extension |
| 10/15/2002 | Boston-Lawrence-Worcester (E. MA), | MASSACHUSETTS | 67 FR Page 63586 | Proposed Approval | Attainment Date Extension |
| 10/02/2002 | Baton Rouge, LA | LOUISIANA | 67 FR Page 61786 | Final Approval | Attainment Date Extension |
| 09/17/2002 | Portland, ME | MAINE | 67 FR Page 58551 | Proposed Approval | Change to a Higher Classification (Bump-Ups) |
| 09/17/2002 | Portland, ME | MAINE | 67 FR Page 58551 | Proposed Approval | Redesignation to Maintenance |
| 08/27/2002 | Santa Barbara-Santa Maria-Lompoc, C | CALIFORNIA | 67 FR Page 54963 | Final Approval | Clean Air/Attainment Determination |
| 08/23/2002 | San Diego, CA | CALIFORNIA | 67 FR Page 54601 | Proposed Approval | Clean Air/Attainment Determination |
| 08/23/2002 | San Diego, CA | CALIFORNIA | 67 FR Page 54580 | Direct Final | Clean Air/Attainment Determination |
| 08/21/2002 | Birmingham, AL | ALABAMA | 67 FR Page 54159 | Proposed Approval | Clean Air/Attainment Determination |
| 08/20/2002 | Baton Rouge, LA | LOUISIANA | 67 FR Page 53882 | Final Approval | Deferral of Designation |
| 08/02/2002 | Baton Rouge, LA | LOUISIANA | 67 FR Page 50391 | Proposed Approval | Attainment Date Extension |
| 08/02/2002 | Baton Rouge, LA | LOUISIANA | 67 FR Page 50391 | Withdrawal | Change to a Higher Classification (Bump-Ups) |
| 07/31/2002 | Cincinnati-Hamilton, OH-KY | KENTUCKY | 67 FR Page 49600 | Final Approval | Redesignation to Maintenance |
| 07/02/2002 | Washington, DC-MD-VA | DISTRICT OF COL | 99 FR Page 1070 | Court-Order | Attainment Date Extension |
| 07/02/2002 | Washington, DC-MD-VA | MARYLAND | 99 FR Page 1070 | Court-Order | Attainment Date Extension |
| 07/02/2002 | Washington, DC-MD-VA | VIRGINIA | 99 FR Page 1070 | Court-Order | Attainment Date Extension |
| 07/01/2002 | Santa Barbara-Santa Maria-Lompoc, C | CALIFORNIA | 67 FR Page 44128 | Proposed Approval | Clean Air/Attainment Determination |
| 06/24/2002 | Baton Rouge, LA | LOUISIANA | 67 FR Page 42697 | Proposed Approval | Deferral of Designation |
| 06/24/2002 | Baton Rouge, LA | LOUISIANA | 67 FR Page 42687 | Final Approval | Change to a Higher Classification (Bump-Ups) |
| 05/07/2002 | Atlanta, GA | GEORGIA | 67 FR Page 30574 | Final Approval | Attainment Date Extension |
| 04/08/2002 | Cincinnati-Hamilton, OH-KY | KENTUCKY | 67 FR Page 16646 | Withdrawal | Redesignation to Maintenance |
| 03/12/2002 | Cincinnati-Hamilton, OH-KY | OHIO | 67 FR Page 11041 | Final Approval | Technical Amendment |
| 02/12/2002 | Cincinnati-Hamilton, OH-KY | KENTUCKY | 67 FR Page 6459 | Proposed Approval | Redesignation to Maintenance |
| 02/12/2002 | Cincinnati-Hamilton, OH-KY | KENTUCKY | 67 FR Page 6411 | Direct Final | Redesignation to Maintenance |
| 12/26/2001 | LaFourche Par, LA | LOUISIANA | 66 FR Page 66382 | Proposed Approval | Redesignation to Maintenance |
| 12/26/2001 | LaFourche Par, LA | LOUISIANA | 66 FR Page 66317 | Direct Final | Clean Air/Attainment Determination |
| 12/26/2001 | LaFourche Par, LA | LOUISIANA | 66 FR Page 66317 | Direct Final | Redesignation to Maintenance |
| 12/11/2001 | Atlanta, GA | GEORGIA | 66 FR Page 63972 | Proposed Approval | Change to a Higher Classification (Bump-Ups) |
| 12/11/2001 | Atlanta, GA | GEORGIA | 66 FR Page 63972 | Proposed Approval | Attainment Date Extension |
| 11/08/2001 | East Kern Co, CA | CALIFORNIA | 66 FR Page 56476 | Final Approval | Area Split |
| 11/08/2001 | East Kern Co, CA | CALIFORNIA | 66 FR Page 56476 | Final Approval | Attainment Date Extension |
| 11/08/2001 | San Joaquin Valley, CA | CALIFORNIA | 66 FR Page 56476 | Final Approval | Area Split |
| 11/08/2001 | San Joaquin Valley, CA | CALIFORNIA | 66 FR Page 56476 | Final Approval | Change to a Higher Classification (Bump-Ups) |
| 10/23/2001 | Louisville, KY-IN | INDIANA | 66 FR Page 53665 | Final Approval | Clean Air/Attainment Determination |
| 10/23/2001 | Louisville, KY-IN | INDIANA | 66 FR Page 53665 | Final Approval | Redesignation to Maintenance |
| 10/23/2001 | Louisville, KY-IN | KENTUCKY | 66 FR Page 53665 | Final Approval | Clean Air/Attainment Determination |
| 10/23/2001 | Louisville, KY-IN | KENTUCKY | 66 FR Page 53665 | Final Approval | Redesignation to Maintenance |
| 10/19/2001 | Pittsburgh-Beaver Valley, PA | PENNSYLVANIA | 66 FR Page 53094 | Final Approval | Clean Air/Attainment Determination |
| 10/19/2001 | Pittsburgh-Beaver Valley, PA | PENNSYLVANIA | 66 FR Page 53094 | Final Approval | Redesignation to Maintenance |
| 09/11/2001 | Cincinnati-Hamilton, OH-KY | KENTUCKY | 99 FR Page 9000 | Court-Order | Designation to Nonattainment |
| 09/11/2001 | Cincinnati-Hamilton, OH-KY | OHIO | 99 FR Page 9000 | Court-Order | Designation to Nonattainment |
| 09/11/2001 | Denver-Boulder, CO | COLORADO | 66 FR Page 47086 | Final Approval | Redesignation to Maintenance |
| 08/06/2001 | San Diego, CA | CALIFORNIA | 66 FR Page 40953 | Proposed Approval | Attainment Date Extension |
| 08/06/2001 | San Diego, CA | CALIFORNIA | 66 FR Page 40908 | Direct Final | Attainment Date Extension |
| 07/25/2001 | Baton Rouge, LA | LOUISIANA | 66 FR Page 38608 | Proposed Approval | Attainment Date Extension |
| 06/26/2001 | St Louis, MO-IL | ILLINOIS | 66 FR Page 33995 | Final Approval | Attainment Date Extension |
| 06/26/2001 | St Louis, MO-IL | MISSOURI | 66 FR Page 33995 | Final Approval | Attainment Date Extension |
| 06/22/2001 | Louisville, KY-IN | INDIANA | 66 FR Page 33505 | Proposed Approval | Redesignation to Maintenance |
| 06/22/2001 | Louisville, KY-IN | KENTUCKY | 66 FR Page 33505 | Proposed Approval | Redesignation to Maintenance |
| 05/30/2001 | Phoenix, AZ | ARIZONA | 66 FR Page 29230 | Final Approval | Clean Air/Attainment Determination |
| 05/30/2001 | Pittsburgh-Beaver Valley, PA | PENNSYLVANIA | 66 FR Page 29270 | Proposed Approval | Redesignation to Maintenance |
| 05/18/2001 | East Kern Co, CA | CALIFORNIA | 66 FR Page 27616 | Proposed Approval | Area Split |
| 05/18/2001 | East Kern Co, CA | CALIFORNIA | 66 FR Page 27616 | Proposed Approval | Attainment Date Extension |
| 05/18/2001 | San Joaquin Valley, CA | CALIFORNIA | 66 FR Page 27616 | Proposed Approval | Area Split |
| 05/18/2001 | San Joaquin Valley, CA | CALIFORNIA | 66 FR Page 27616 | Proposed Approval | Change to a Higher Classification (Bump-Ups) |
| 05/17/2001 | Louisville, KY-IN | INDIANA | 66 FR Page 27483 | Proposed Approval | Clean Air/Attainment Determination |
| 05/17/2001 | Louisville, KY-IN | KENTUCKY | 66 FR Page 27483 | Proposed Approval | Clean Air/Attainment Determination |
| 05/15/2001 | Beaumont-Port Arthur, TX | TEXAS | 66 FR Page 26913 | Final Approval | Attainment Date Extension |
| 05/11/2001 | Denver-Boulder, CO | COLORADO | 66 FR Page 24075 | Proposed Approval | Redesignation to Maintenance |
| 05/09/2001 | Baton Rouge, LA | LOUISIANA | 66 FR Page 23646 | Proposed Approval | Change to a Higher Classification (Bump-Ups) |
| 05/09/2001 | Baton Rouge, LA | LOUISIANA | 66 FR Page 23646 | Proposed Approval | Attainment Date Extension |
| 04/03/2001 | St Louis, MO-IL | ILLINOIS | 66 FR Page 17647 | Proposed Approval | Attainment Date Extension |
| 04/03/2001 | St Louis, MO-IL | ILLINOIS | 66 FR Page 17647 | Withdrawal | Change to a Higher Classification (Bump-Ups) |
| 04/03/2001 | St Louis, MO-IL | MISSOURI | 66 FR Page 17647 | Proposed Approval | Attainment Date Extension |
| 04/03/2001 | St Louis, MO-IL | MISSOURI | 66 FR Page 17647 | Withdrawal | Change to a Higher Classification (Bump-Ups) |
| 03/19/2001 | St Louis, MO-IL | ILLINOIS | 66 FR Page 15577 | Final Approval | Change to a Higher Classification (Bump-Ups) |
| 03/19/2001 | St Louis, MO-IL | MISSOURI | 66 FR Page 15577 | Final Approval | Change to a Higher Classification (Bump-Ups) |
| 01/18/2001 | Dallas-Fort Worth, TX | TEXAS | 66 FR Page 4756 | Proposed Approval | Attainment Date Extension |
| 01/10/2001 | Pittsburgh-Beaver Valley, PA | PENNSYLVANIA | 66 FR Page 1925 | Proposed Approval | Clean Air/Attainment Determination |
| 01/03/2001 | Greater Connecticut, CT | CONNECTICUT | 66 FR Page 633 | Final Approval | Attainment Date Extension |
| 01/03/2001 | Springfield (Western MA), MA | MASSACHUSETTS | 66 FR Page 665 | Final Approval | Attainment Date Extension |
| 01/03/2001 | Washington, DC-MD-VA | DISTRICT OF COL | 66 FR Page 585 | Final Approval | Attainment Date Extension |
| 01/03/2001 | Washington, DC-MD-VA | MARYLAND | 66 FR Page 585 | Final Approval | Attainment Date Extension |
| 01/03/2001 | Washington, DC-MD-VA | VIRGINIA | 66 FR Page 585 | Final Approval | Attainment Date Extension |
| 12/27/2000 | Beaumont-Port Arthur, TX | TEXAS | 65 FR Page 81786 | Proposed Approval | Attainment Date Extension |
| 11/24/2000 | Allegan Co, MI | MICHIGAN | 65 FR Page 70540 | Proposed Approval | Clean Air/Attainment Determination |
| 11/24/2000 | Allegan Co, MI | MICHIGAN | 65 FR Page 70540 | Proposed Approval | Redesignation to Maintenance |
| 11/24/2000 | Allegan Co, MI | MICHIGAN | 65 FR Page 70490 | Direct Final | Clean Air/Attainment Determination |
| 11/24/2000 | Allegan Co, MI | MICHIGAN | 65 FR Page 70490 | Direct Final | Redesignation to Maintenance |
| 11/13/2000 | Flint, MI | MICHIGAN | 65 FR Page 67675 | Proposed Approval | Redesignation to Maintenance |
| 11/13/2000 | Flint, MI | MICHIGAN | 65 FR Page 67629 | Direct Final | Redesignation to Maintenance |
| 11/13/2000 | Saginaw-Bay City-Midland, MI | MICHIGAN | 65 FR Page 67675 | Proposed Approval | Clean Air/Attainment Determination |
| 11/13/2000 | Saginaw-Bay City-Midland, MI | MICHIGAN | 65 FR Page 67675 | Proposed Approval | Redesignation to Maintenance |
| 11/13/2000 | Saginaw-Bay City-Midland, MI | MICHIGAN | 65 FR Page 67629 | Direct Final | Clean Air/Attainment Determination |
| 11/13/2000 | Saginaw-Bay City-Midland, MI | MICHIGAN | 65 FR Page 67629 | Direct Final | Redesignation to Maintenance |
| 10/11/2000 | San Diego, CA | CALIFORNIA | 65 FR Page 60386 | Proposed Approval | Attainment Date Extension |
| 10/11/2000 | San Diego, CA | CALIFORNIA | 65 FR Page 60362 | Direct Final | Attainment Date Extension |
| 08/30/2000 | Muskegon, MI | MICHIGAN | 65 FR Page 52690 | Proposed Approval | Clean Air/Attainment Determination |
| 08/30/2000 | Muskegon, MI | MICHIGAN | 65 FR Page 52690 | Proposed Approval | Redesignation to Maintenance |
| 08/30/2000 | Muskegon, MI | MICHIGAN | 65 FR Page 52651 | Direct Final | Clean Air/Attainment Determination |
| 08/30/2000 | Muskegon, MI | MICHIGAN | 65 FR Page 52651 | Direct Final | Redesignation to Maintenance |
| 06/19/2000 | Cincinnati-Hamilton, OH-KY | KENTUCKY | 65 FR Page 37879 | Final Approval | Clean Air/Attainment Determination |
| 06/19/2000 | Cincinnati-Hamilton, OH-KY | KENTUCKY | 65 FR Page 37879 | Final Approval | Redesignation to Maintenance |
| 06/19/2000 | Cincinnati-Hamilton, OH-KY | OHIO | 65 FR Page 37879 | Final Approval | Clean Air/Attainment Determination |
| 06/19/2000 | Cincinnati-Hamilton, OH-KY | OHIO | 65 FR Page 37879 | Final Approval | Redesignation to Maintenance |
| 06/19/2000 | San Joaquin Valley, CA | CALIFORNIA | 65 FR Page 37926 | Proposed Approval | Change to a Higher Classification (Bump-Ups) |
| 05/19/2000 | Phoenix, AZ | ARIZONA | 65 FR Page 31859 | Proposed Approval | Clean Air/Attainment Determination |
| 01/24/2000 | Cincinnati-Hamilton, OH-KY | KENTUCKY | 65 FR Page 3630 | Proposed Approval | Clean Air/Attainment Determination |
| 01/24/2000 | Cincinnati-Hamilton, OH-KY | KENTUCKY | 65 FR Page 3630 | Proposed Approval | Redesignation to Maintenance |
| 01/24/2000 | Cincinnati-Hamilton, OH-KY | OHIO | 65 FR Page 3630 | Proposed Approval | Clean Air/Attainment Determination |
| 01/24/2000 | Cincinnati-Hamilton, OH-KY | OHIO | 65 FR Page 3630 | Proposed Approval | Redesignation to Maintenance |
| 12/16/1999 | Greater Connecticut, CT | CONNECTICUT | 64 FR Page 70332 | Proposed Approval | Attainment Date Extension |
| 12/16/1999 | Springfield (Western MA), MA | MASSACHUSETTS | 64 FR Page 70319 | Proposed Approval | Attainment Date Extension |
| 12/16/1999 | Washington, DC-MD-VA | DISTRICT OF COL | 64 FR Page 70460 | Proposed Approval | Attainment Date Extension |
| 12/16/1999 | Washington, DC-MD-VA | MARYLAND | 64 FR Page 70460 | Proposed Approval | Attainment Date Extension |
| 12/16/1999 | Washington, DC-MD-VA | VIRGINIA | 64 FR Page 70460 | Proposed Approval | Attainment Date Extension |
| 07/22/1999 | San Francisco Bay Area, CA | CALIFORNIA | 64 FR Page 39416 | Final Approval | Correction |
| 05/21/1999 | Louisville, KY-IN | INDIANA | 64 FR Page 27734 | Proposed Approval | Change to a Higher Classification (Bump-Ups) |
| 05/21/1999 | Louisville, KY-IN | KENTUCKY | 64 FR Page 27734 | Proposed Approval | Change to a Higher Classification (Bump-Ups) |
| 04/16/1999 | Beaumont-Port Arthur, TX | TEXAS | 64 FR Page 18864 | Proposed Approval | Change to a Higher Classification (Bump-Ups) |
| 03/18/1999 | San Francisco Bay Area, CA | CALIFORNIA | 64 FR Page 13383 | Proposed Approval | Change to a Higher Classification (Bump-Ups) |
| 03/18/1999 | St Louis, MO-IL | ILLINOIS | 64 FR Page 13384 | Proposed Approval | Change to a Higher Classification (Bump-Ups) |
| 03/18/1999 | St Louis, MO-IL | MISSOURI | 64 FR Page 13384 | Proposed Approval | Change to a Higher Classification (Bump-Ups) |
| 07/10/1998 | San Francisco Bay Area, CA | CALIFORNIA | 63 FR Page 37258 | Final Approval | Designation to Nonattainment |
| 03/26/1998 | Cincinnati-Hamilton, OH-KY | KENTUCKY | 63 FR Page 14673 | Proposed Approval | Attainment Date Extension |
| 03/26/1998 | Cincinnati-Hamilton, OH-KY | KENTUCKY | 63 FR Page 14623 | Direct Final | Attainment Date Extension |
| 03/26/1998 | Cincinnati-Hamilton, OH-KY | OHIO | 63 FR Page 14673 | Proposed Approval | Attainment Date Extension |
| 03/26/1998 | Cincinnati-Hamilton, OH-KY | OHIO | 63 FR Page 14623 | Direct Final | Attainment Date Extension |
| 02/18/1998 | Dallas-Fort Worth, TX | TEXAS | 63 FR Page 8128 | Final Approval | Change to a Higher Classification (Bump-Ups) |
| 12/19/1997 | San Francisco Bay Area, CA | CALIFORNIA | 62 FR Page 66578 | Proposed Approval | Designation to Nonattainment |
| 12/10/1997 | Santa Barbara-Santa Maria-Lompoc, C | CALIFORNIA | 62 FR Page 65025 | Final Approval | Change to a Higher Classification (Bump-Ups) |
| 12/09/1997 | Evansville, IN | INDIANA | 62 FR Page 64725 | Final Approval | Redesignation to Maintenance |
| 12/05/1997 | LaFourche Par, LA | LOUISIANA | 62 FR Page 64284 | Final Approval | Correction |
| 11/17/1997 | Cincinnati-Hamilton, OH-KY | KENTUCKY | 62 FR Page 61241 | Final Approval | Attainment Date Extension |
| 11/17/1997 | Cincinnati-Hamilton, OH-KY | OHIO | 62 FR Page 61241 | Final Approval | Attainment Date Extension |
| 11/17/1997 | Richmond, VA | VIRGINIA | 62 FR Page 61237 | Final Approval | Redesignation to Maintenance |
| 11/06/1997 | Phoenix, AZ | ARIZONA | 62 FR Page 60001 | Final Approval | Change to a Higher Classification (Bump-Ups) |
| 10/23/1997 | Louisville, KY-IN | INDIANA | 62 FR Page 55203 | Proposed Approval | Attainment Date Extension |
| 10/23/1997 | Louisville, KY-IN | INDIANA | 62 FR Page 55173 | Direct Final | Attainment Date Extension |
| 10/23/1997 | Louisville, KY-IN | KENTUCKY | 62 FR Page 55203 | Proposed Approval | Attainment Date Extension |
| 10/23/1997 | Louisville, KY-IN | KENTUCKY | 62 FR Page 55173 | Direct Final | Attainment Date Extension |
| 09/19/1997 | Birmingham, AL | ALABAMA | 62 FR Page 49154 | Final Disapproval | Redesignation to Maintenance |
| 09/02/1997 | Dallas-Fort Worth, TX | TEXAS | 62 FR Page 46238 | Proposed Approval | Change to a Higher Classification (Bump-Ups) |
| 09/02/1997 | Phoenix, AZ | ARIZONA | 62 FR Page 46229 | Proposed Approval | Change to a Higher Classification (Bump-Ups) |
| 09/02/1997 | Santa Barbara-Santa Maria-Lompoc, C | CALIFORNIA | 62 FR Page 46234 | Proposed Approval | Change to a Higher Classification (Bump-Ups) |
| 08/04/1997 | Richmond, VA | VIRGINIA | 62 FR Page 43471 | Withdrawal | Redesignation to Maintenance |
| 07/28/1997 | Cincinnati-Hamilton, OH-KY | KENTUCKY | 62 FR Page 40280 | Withdrawal | Attainment Date Extension |
| 07/28/1997 | Cincinnati-Hamilton, OH-KY | OHIO | 62 FR Page 40280 | Withdrawal | Attainment Date Extension |
| 07/17/1997 | LaFourche Par, LA | LOUISIANA | 62 FR Page 38237 | Proposed Approval | Correction |
| 07/17/1997 | Salt Lake City, UT | UTAH | 62 FR Page 38213 | Final Approval | Redesignation to Maintenance |
| 06/26/1997 | Norfolk-Virginia Beach-Newport News | VIRGINIA | 62 FR Page 34408 | Final Approval | Redesignation to Maintenance |
| 06/13/1997 | Richmond, VA | VIRGINIA | 62 FR Page 32258 | Proposed Approval | Redesignation to Maintenance |
| 06/13/1997 | Richmond, VA | VIRGINIA | 62 FR Page 32204 | Direct Final | Redesignation to Maintenance |
| 05/27/1997 | Cincinnati-Hamilton, OH-KY | KENTUCKY | 62 FR Page 28650 | Proposed Approval | Attainment Date Extension |
| 05/27/1997 | Cincinnati-Hamilton, OH-KY | KENTUCKY | 62 FR Page 28634 | Direct Final | Attainment Date Extension |
| 05/27/1997 | Cincinnati-Hamilton, OH-KY | OHIO | 62 FR Page 28650 | Proposed Approval | Attainment Date Extension |
| 05/27/1997 | Cincinnati-Hamilton, OH-KY | OHIO | 62 FR Page 28634 | Direct Final | Attainment Date Extension |
| 05/23/1997 | Salt Lake City, UT | UTAH | 62 FR Page 28396 | Proposed Approval | Redesignation to Maintenance |
| 05/19/1997 | Portland-Vancouver AQMA, OR-WA | OREGON | 62 FR Page 27204 | Final Approval | Redesignation to Maintenance |
| 05/19/1997 | Portland-Vancouver AQMA, OR-WA | WASHINGTON | 62 FR Page 27204 | Final Approval | Redesignation to Maintenance |
| 05/07/1997 | Reading, PA | PENNSYLVANIA | 62 FR Page 24826 | Final Approval | Redesignation to Maintenance |
| 05/02/1997 | Lake Charles, LA | LOUISIANA | 62 FR Page 24036 | Final Approval | Redesignation to Maintenance |
| 04/30/1997 | Birmingham, AL | ALABAMA | 62 FR Page 23421 | Proposed Disapproval | Redesignation to Maintenance |
| 04/29/1997 | Norfolk-Virginia Beach-Newport News | VIRGINIA | 62 FR Page 23196 | Proposed Approval | Redesignation to Maintenance |
| 04/29/1997 | Norfolk-Virginia Beach-Newport News | VIRGINIA | 62 FR Page 23139 | Withdrawal | Redesignation to Maintenance |
| 04/16/1997 | Portland, ME | MAINE | 62 FR Page 18557 | Proposed Approval | Attainment Date Extension |
| 04/16/1997 | Portland, ME | MAINE | 62 FR Page 18526 | Direct Final | Attainment Date Extension |
| 03/14/1997 | Evansville, IN | INDIANA | 62 FR Page 12137 | Proposed Approval | Redesignation to Maintenance |
| 03/12/1997 | Norfolk-Virginia Beach-Newport News | VIRGINIA | 62 FR Page 11405 | Proposed Approval | Redesignation to Maintenance |
| 03/12/1997 | Norfolk-Virginia Beach-Newport News | VIRGINIA | 62 FR Page 11337 | Direct Final | Redesignation to Maintenance |
| 03/07/1997 | Dayton-Springfield, OH | OHIO | 62 FR Page 10463 | Final Approval | Correction |
| 03/07/1997 | Portland-Vancouver AQMA, OR-WA | OREGON | 62 FR Page 10501 | Proposed Approval | Redesignation to Maintenance |
| 03/07/1997 | Portland-Vancouver AQMA, OR-WA | WASHINGTON | 62 FR Page 10501 | Proposed Approval | Redesignation to Maintenance |
| 02/28/1997 | Hancock & Waldo Cos, ME | MAINE | 62 FR Page 9140 | Proposed Approval | Redesignation to Maintenance |
| 02/28/1997 | Hancock & Waldo Cos, ME | MAINE | 62 FR Page 9081 | Direct Final | Redesignation to Maintenance |
| 02/25/1997 | Pittsburgh-Beaver Valley, PA | PENNSYLVANIA | 62 FR Page 8414 | Proposed Approval | Attainment Date Extension |
| 02/25/1997 | Pittsburgh-Beaver Valley, PA | PENNSYLVANIA | 62 FR Page 8389 | Direct Final | Attainment Date Extension |
| 02/18/1997 | Cincinnati-Hamilton, OH-KY | OHIO | 62 FR Page 7194 | Proposed Disapproval | Redesignation to Maintenance |
| 02/06/1997 | Lake Charles, LA | LOUISIANA | 62 FR Page 5555 | Proposed Approval | Redesignation to Maintenance |
| 01/17/1997 | Monterey Bay, CA | CALIFORNIA | 62 FR Page 2636 | Proposed Approval | Redesignation to Maintenance |
| 01/17/1997 | Monterey Bay, CA | CALIFORNIA | 62 FR Page 2597 | Direct Final | Redesignation to Maintenance |
| 01/06/1997 | Pointe Coupee Parish, LA | LOUISIANA | 62 FR Page 648 | Final Approval | Change to a Lower Classification |
| 01/06/1997 | Pointe Coupee Parish, LA | LOUISIANA | 62 FR Page 648 | Final Approval | Redesignation to Maintenance |
| 10/30/1996 | Nashville, TN | TENNESSEE | 61 FR Page 55903 | Final Approval | Redesignation to Maintenance |
| 10/10/1996 | Reading, PA | PENNSYLVANIA | 61 FR Page 53174 | Proposed Approval | Redesignation to Maintenance |
| 09/27/1996 | Cincinnati-Hamilton, OH-KY | KENTUCKY | 61 FR Page 50718 | Final Disapproval | Redesignation to Maintenance |
| 09/26/1996 | Seattle-Tacoma, WA | WASHINGTON | 61 FR Page 50465 | Proposed Approval | Redesignation to Maintenance |
| 09/26/1996 | Seattle-Tacoma, WA | WASHINGTON | 61 FR Page 50438 | Direct Final | Redesignation to Maintenance |
| 09/25/1996 | Baton Rouge, LA | LOUISIANA | 61 FR Page 50238 | Withdrawal | Redesignation to Maintenance |
| 09/25/1996 | Pointe Coupee Parish, LA | LOUISIANA | 61 FR Page 50238 | Withdrawal | Redesignation to Maintenance |
| 08/26/1996 | Kewaunee Co, WI | WISCONSIN | 61 FR Page 43668 | Final Approval | Redesignation to Maintenance |
| 08/26/1996 | Sheboygan, WI | WISCONSIN | 61 FR Page 43668 | Final Approval | Redesignation to Maintenance |
| 08/26/1996 | Walworth Co, WI | WISCONSIN | 61 FR Page 43668 | Final Approval | Redesignation to Maintenance |
| 07/22/1996 | Baton Rouge, LA | LOUISIANA | 61 FR Page 37833 | Direct Final | Redesignation to Maintenance |
| 07/22/1996 | Pointe Coupee Parish, LA | LOUISIANA | 61 FR Page 37875 | Proposed Approval | Area Split |
| 07/22/1996 | Pointe Coupee Parish, LA | LOUISIANA | 61 FR Page 37875 | Proposed Approval | Change to a Lower Classification |
| 07/22/1996 | Pointe Coupee Parish, LA | LOUISIANA | 61 FR Page 37875 | Proposed Approval | Redesignation to Maintenance |
| 07/22/1996 | Pointe Coupee Parish, LA | LOUISIANA | 61 FR Page 37833 | Direct Final | Area Split |
| 07/22/1996 | Pointe Coupee Parish, LA | LOUISIANA | 61 FR Page 37833 | Direct Final | Change to a Lower Classification |
| 07/22/1996 | Pointe Coupee Parish, LA | LOUISIANA | 61 FR Page 37833 | Direct Final | Redesignation to Maintenance |
| 06/24/1996 | Nashville, TN | TENNESSEE | 61 FR Page 32386 | Proposed Approval | Redesignation to Maintenance |
| 06/21/1996 | Grand Rapids, MI | MICHIGAN | 61 FR Page 31831 | Final Approval | Redesignation to Maintenance |
| 06/11/1996 | Kewaunee Co, WI | WISCONSIN | 61 FR Page 29508 | Proposed Approval | Redesignation to Maintenance |
| 06/11/1996 | Manitowoc Co, WI | WISCONSIN | 61 FR Page 29508 | Proposed Approval | Redesignation to Maintenance |
| 06/11/1996 | Sheboygan, WI | WISCONSIN | 61 FR Page 29508 | Proposed Approval | Redesignation to Maintenance |
| 06/05/1996 | Walworth Co, WI | WISCONSIN | 61 FR Page 28541 | Proposed Approval | Redesignation to Maintenance |
| 05/07/1996 | Cleveland-Akron-Lorain, OH | OHIO | 61 FR Page 20458 | Final Approval | Redesignation to Maintenance |
| 05/01/1996 | Pittsburgh-Beaver Valley, PA | PENNSYLVANIA | 61 FR Page 19193 | Final Disapproval | Redesignation to Maintenance |
| 04/17/1996 | Cincinnati-Hamilton, OH-KY | KENTUCKY | 61 FR Page 16738 | Proposed Disapproval | Redesignation to Maintenance |
| 04/02/1996 | Beaumont-Port Arthur, TX | TEXAS | 61 FR Page 14496 | Direct Final | Change to a Lower Classification |
| 04/02/1996 | Grand Rapids, MI | MICHIGAN | 61 FR Page 14522 | Proposed Approval | Redesignation to Maintenance |
| 03/21/1996 | Clinton Co, OH | OHIO | 61 FR Page 11560 | Final Approval | Redesignation to Maintenance |
| 02/14/1996 | Allegan Co, MI | MICHIGAN | 61 FR Page 5707 | Final Approval | Correction |
| 02/07/1996 | Pittsburgh-Beaver Valley, PA | PENNSYLVANIA | 61 FR Page 4598 | Proposed Disapproval | Redesignation to Maintenance |
| 02/01/1996 | Columbus, OH | OHIO | 61 FR Page 3635 | Proposed Approval | Redesignation to Maintenance |
| 02/01/1996 | Columbus, OH | OHIO | 61 FR Page 3591 | Direct Final | Redesignation to Maintenance |
| 01/31/1996 | Canton, OH | OHIO | 61 FR Page 3362 | Proposed Approval | Redesignation to Maintenance |
| 01/31/1996 | Canton, OH | OHIO | 61 FR Page 3319 | Direct Final | Redesignation to Maintenance |
| 01/31/1996 | Youngstown-Warren-Sharon, OH-PA | OHIO | 61 FR Page 3362 | Proposed Approval | Redesignation to Maintenance |
| 01/31/1996 | Youngstown-Warren-Sharon, OH-PA | OHIO | 61 FR Page 3319 | Direct Final | Redesignation to Maintenance |
| 12/07/1995 | Tampa-St. Petersburg-Clearwater, FL | FLORIDA | 60 FR Page 62793 | Proposed Approval | Redesignation to Maintenance |
| 12/07/1995 | Tampa-St. Petersburg-Clearwater, FL | FLORIDA | 60 FR Page 62748 | Direct Final | Redesignation to Maintenance |
| 10/23/1995 | Richmond, VA | VIRGINIA | 60 FR Page 54310 | Final Approval | Boundary Change |
| 10/02/1995 | Allegan Co, MI | MICHIGAN | 60 FR Page 51360 | Withdrawal | Correction |
| 10/02/1995 | New Orleans, LA | LOUISIANA | 60 FR Page 51382 | Proposed Approval | Redesignation to Maintenance |
| 10/02/1995 | New Orleans, LA | LOUISIANA | 60 FR Page 51354 | Direct Final | Redesignation to Maintenance |
| 09/12/1995 | St James Par, LA | LOUISIANA | 60 FR Page 47324 | Proposed Approval | Redesignation to Maintenance |
| 09/12/1995 | St James Par, LA | LOUISIANA | 60 FR Page 47280 | Direct Final | Redesignation to Maintenance |
| 09/11/1995 | Lexington-Fayette, KY | KENTUCKY | 60 FR Page 47139 | Proposed Approval | Redesignation to Maintenance |
| 09/11/1995 | Lexington-Fayette, KY | KENTUCKY | 60 FR Page 47089 | Direct Final | Redesignation to Maintenance |
| 08/18/1995 | Beauregard Par, LA | LOUISIANA | 60 FR Page 43104 | Proposed Approval | Redesignation to Maintenance |
| 08/18/1995 | Beauregard Par, LA | LOUISIANA | 60 FR Page 43020 | Direct Final | Redesignation to Maintenance |
| 08/18/1995 | Grant Par, LA | LOUISIANA | 60 FR Page 43104 | Proposed Approval | Redesignation to Maintenance |
| 08/18/1995 | Grant Par, LA | LOUISIANA | 60 FR Page 43020 | Direct Final | Redesignation to Maintenance |
| 08/18/1995 | LaFourche Par, LA | LOUISIANA | 60 FR Page 43104 | Proposed Approval | Redesignation to Maintenance |
| 08/18/1995 | LaFourche Par, LA | LOUISIANA | 60 FR Page 43020 | Direct Final | Redesignation to Maintenance |
| 08/18/1995 | Lafayette, LA | LOUISIANA | 60 FR Page 43104 | Proposed Approval | Redesignation to Maintenance |
| 08/18/1995 | Lafayette, LA | LOUISIANA | 60 FR Page 43020 | Direct Final | Redesignation to Maintenance |
| 08/18/1995 | St Mary Par, LA | LOUISIANA | 60 FR Page 43104 | Proposed Approval | Redesignation to Maintenance |
| 08/18/1995 | St Mary Par, LA | LOUISIANA | 60 FR Page 43020 | Direct Final | Redesignation to Maintenance |
| 08/08/1995 | Allegan Co, MI | MICHIGAN | 60 FR Page 40338 | Proposed Approval | Correction |
| 08/08/1995 | Allegan Co, MI | MICHIGAN | 60 FR Page 40297 | Direct Final | Correction |
| 08/04/1995 | Greenbrier Co, WV | WEST VIRGINIA | 60 FR Page 39911 | Proposed Approval | Redesignation to Maintenance |
| 08/04/1995 | Greenbrier Co, WV | WEST VIRGINIA | 60 FR Page 39857 | Direct Final | Redesignation to Maintenance |
| 08/01/1995 | Toledo, OH | OHIO | 60 FR Page 39115 | Final Approval | Redesignation to Maintenance |
| 07/05/1995 | Charlotte-Gastonia, NC | NORTH CAROLINA | 60 FR Page 34859 | Final Approval | Redesignation to Maintenance |
| 06/29/1995 | Huntington-Ashland, WV-KY | KENTUCKY | 60 FR Page 33748 | Final Approval | Redesignation to Maintenance |
| 06/28/1995 | Hancock & Waldo Cos, ME | MAINE | 60 FR Page 33351 | Final Approval | Attainment Date Extension |
| 06/19/1995 | Toledo, OH | OHIO | 60 FR Page 31917 | Withdrawal | Redesignation to Maintenance |
| 06/15/1995 | Cleveland-Akron-Lorain, OH | OHIO | 60 FR Page 31433 | Proposed Approval | Redesignation to Maintenance |
| 06/12/1995 | Sunland Park, NM (New Area 1995) | NEW MEXICO | 60 FR Page 30789 | Final Approval | Designation to Nonattainment |
| 05/22/1995 | San Francisco Bay Area, CA | CALIFORNIA | 60 FR Page 27028 | Final Approval | Redesignation to Maintenance |
| 05/05/1995 | Cincinnati-Hamilton, OH-KY | OHIO | 60 FR Page 22337 | Proposed Approval | Redesignation to Maintenance |
| 05/05/1995 | Clinton Co, OH | OHIO | 60 FR Page 22337 | Proposed Approval | Redesignation to Maintenance |
| 05/05/1995 | Dayton-Springfield, OH | OHIO | 60 FR Page 22336 | Proposed Approval | Redesignation to Maintenance |
| 05/05/1995 | Dayton-Springfield, OH | OHIO | 60 FR Page 22289 | Direct Final | Redesignation to Maintenance |
| 05/02/1995 | Toledo, OH | OHIO | 60 FR Page 21490 | Proposed Approval | Redesignation to Maintenance |
| 05/02/1995 | Toledo, OH | OHIO | 60 FR Page 21456 | Direct Final | Redesignation to Maintenance |
| 04/25/1995 | Sacramento Metro, CA | CALIFORNIA | 60 FR Page 20237 | Final Approval | Change to a Higher Classification (Bump-Ups) |
| 04/17/1995 | Charlotte-Gastonia, NC | NORTH CAROLINA | 60 FR Page 19197 | Proposed Approval | Redesignation to Maintenance |
| 04/07/1995 | Sunland Park, NM (New Area 1995) | NEW MEXICO | 60 FR Page 17756 | Proposed Approval | Designation to Nonattainment |
| 03/14/1995 | Jersey Co, IL | ILLINOIS | 60 FR Page 13634 | Final Approval | Redesignation to Maintenance |
| 03/07/1995 | Detroit-Ann Arbor, MI | MICHIGAN | 60 FR Page 12459 | Final Approval | Redesignation to Maintenance |
| 03/07/1995 | Victoria, TX | TEXAS | 60 FR Page 12520 | Proposed Approval | Redesignation to Maintenance |
| 03/07/1995 | Victoria, TX | TEXAS | 60 FR Page 12453 | Direct Final | Redesignation to Maintenance |
| 02/24/1995 | Miami-Fort Lauderdale-W. Palm Beach | FLORIDA | 60 FR Page 10341 | Proposed Approval | Redesignation to Maintenance |
| 02/24/1995 | Miami-Fort Lauderdale-W. Palm Beach | FLORIDA | 60 FR Page 10325 | Direct Final | Redesignation to Maintenance |
| 02/22/1995 | Hancock & Waldo Cos, ME | MAINE | 60 FR Page 9813 | Proposed Approval | Attainment Date Extension |
| 02/08/1995 | Columbiana Co, OH | OHIO | 60 FR Page 7453 | Final Approval | Redesignation to Maintenance |
| 02/08/1995 | Preble Co, OH | OHIO | 60 FR Page 7453 | Final Approval | Redesignation to Maintenance |
| 02/08/1995 | Steubenville, OH | OHIO | 60 FR Page 7453 | Final Approval | Redesignation to Maintenance |
| 02/07/1995 | Paducah, KY | KENTUCKY | 60 FR Page 7154 | Proposed Approval | Redesignation to Maintenance |
| 02/07/1995 | Paducah, KY | KENTUCKY | 60 FR Page 7124 | Direct Final | Redesignation to Maintenance |
| 01/30/1995 | Columbiana Co, OH | OHIO | 60 FR Page 5582 | Withdrawal | Redesignation to Maintenance |
| 01/30/1995 | Preble Co, OH | OHIO | 60 FR Page 5582 | Withdrawal | Redesignation to Maintenance |
| 01/30/1995 | Steubenville, OH | OHIO | 60 FR Page 5582 | Withdrawal | Redesignation to Maintenance |
| 01/19/1995 | San Diego, CA | CALIFORNIA | 60 FR Page 3771 | Final Approval | Change to a Lower Classification |
| 01/17/1995 | Memphis, TN | TENNESSEE | 60 FR Page 3352 | Final Approval | Redesignation to Maintenance |
| 01/03/1995 | Jacksonville, FL | FLORIDA | 60 FR Page 41 | Direct Final | Redesignation to Maintenance |
| 12/21/1994 | Huntington-Ashland, WV-KY | WEST VIRGINIA | 59 FR Page 65719 | Final Approval | Redesignation to Maintenance |
| 12/16/1994 | Huntington-Ashland, WV-KY | KENTUCKY | 59 FR Page 65000 | Proposed Approval | Redesignation to Maintenance |
| 11/25/1994 | Jersey Co, IL | ILLINOIS | 59 FR Page 60577 | Proposed Approval | Redesignation to Maintenance |
| 11/03/1994 | Edmonson Co, KY | KENTUCKY | 59 FR Page 55072 | Proposed Approval | Redesignation to Maintenance |
| 11/03/1994 | Edmonson Co, KY | KENTUCKY | 59 FR Page 55053 | Direct Final | Redesignation to Maintenance |
| 11/03/1994 | Huntington-Ashland, WV-KY | WEST VIRGINIA | 59 FR Page 55059 | Withdrawal | Redesignation to Maintenance |
| 11/03/1994 | Owensboro, KY | KENTUCKY | 59 FR Page 55072 | Proposed Approval | Redesignation to Maintenance |
| 11/03/1994 | Owensboro, KY | KENTUCKY | 59 FR Page 55053 | Direct Final | Redesignation to Maintenance |
| 10/31/1994 | Indianapolis, IN | INDIANA | 59 FR Page 54391 | Final Approval | Redesignation to Maintenance |
| 10/31/1994 | South Bend-Elkhart, IN | INDIANA | 59 FR Page 54391 | Final Approval | Redesignation to Maintenance |
| 10/26/1994 | Memphis, TN | TENNESSEE | 59 FR Page 53741 | Withdrawal | Redesignation to Maintenance |
| 10/06/1994 | Poughkeepsie, NY | NEW YORK | 59 FR Page 50848 | Final Approval | Change to a Higher Classification (Bump-Ups) |
| 09/28/1994 | San Francisco Bay Area, CA | CALIFORNIA | 59 FR Page 49361 | Proposed Approval | Redesignation to Maintenance |
| 09/21/1994 | Columbiana Co, OH | OHIO | 59 FR Page 48416 | Proposed Approval | Redesignation to Maintenance |
| 09/21/1994 | Columbiana Co, OH | OHIO | 59 FR Page 48395 | Direct Final | Redesignation to Maintenance |
| 09/21/1994 | Preble Co, OH | OHIO | 59 FR Page 48416 | Proposed Approval | Redesignation to Maintenance |
| 09/21/1994 | Preble Co, OH | OHIO | 59 FR Page 48395 | Direct Final | Redesignation to Maintenance |
| 09/21/1994 | Steubenville, OH | OHIO | 59 FR Page 48416 | Proposed Approval | Redesignation to Maintenance |
| 09/21/1994 | Steubenville, OH | OHIO | 59 FR Page 48395 | Direct Final | Redesignation to Maintenance |
| 09/06/1994 | Charleston, WV | WEST VIRGINIA | 59 FR Page 45985 | Final Approval | Redesignation to Maintenance |
| 09/06/1994 | Huntington-Ashland, WV-KY | WEST VIRGINIA | 59 FR Page 46019 | Proposed Approval | Redesignation to Maintenance |
| 09/06/1994 | Huntington-Ashland, WV-KY | WEST VIRGINIA | 59 FR Page 45980 | Direct Final | Redesignation to Maintenance |
| 09/06/1994 | Parkersburg, WV | WEST VIRGINIA | 59 FR Page 45978 | Final Approval | Redesignation to Maintenance |
| 08/26/1994 | Evansville, IN | INDIANA | 59 FR Page 44040 | Withdrawal | Redesignation to Maintenance |
| 08/26/1994 | Indianapolis, IN | INDIANA | 59 FR Page 44040 | Withdrawal | Redesignation to Maintenance |
| 08/26/1994 | South Bend-Elkhart, IN | INDIANA | 59 FR Page 44040 | Withdrawal | Redesignation to Maintenance |
| 08/04/1994 | Memphis, TN | TENNESSEE | 59 FR Page 39715 | Proposed Approval | Redesignation to Maintenance |
| 08/04/1994 | Memphis, TN | TENNESSEE | 59 FR Page 39692 | Direct Final | Redesignation to Maintenance |
| 07/28/1994 | Poughkeepsie, NY | NEW YORK | 59 FR Page 38000 | Proposed Approval | Change to a Higher Classification (Bump-Ups) |
| 07/21/1994 | Detroit-Ann Arbor, MI | MICHIGAN | 59 FR Page 37190 | Proposed Approval | Redesignation to Maintenance |
| 07/08/1994 | Evansville, IN | INDIANA | 59 FR Page 35079 | Proposed Approval | Redesignation to Maintenance |
| 07/08/1994 | Evansville, IN | INDIANA | 59 FR Page 35044 | Direct Final | Redesignation to Maintenance |
| 07/08/1994 | Indianapolis, IN | INDIANA | 59 FR Page 35079 | Proposed Approval | Redesignation to Maintenance |
| 07/08/1994 | Indianapolis, IN | INDIANA | 59 FR Page 35044 | Direct Final | Redesignation to Maintenance |
| 07/08/1994 | South Bend-Elkhart, IN | INDIANA | 59 FR Page 35079 | Proposed Approval | Redesignation to Maintenance |
| 07/08/1994 | South Bend-Elkhart, IN | INDIANA | 59 FR Page 35044 | Direct Final | Redesignation to Maintenance |
| 06/13/1994 | Charleston, WV | WEST VIRGINIA | 59 FR Page 30326 | Proposed Approval | Redesignation to Maintenance |
| 06/10/1994 | Parkersburg, WV | WEST VIRGINIA | 59 FR Page 29977 | Proposed Approval | Redesignation to Maintenance |
| 05/03/1994 | Richmond, VA | VIRGINIA | 59 FR Page 22757 | Final Disapproval | Redesignation to Maintenance |
| 04/21/1994 | Poughkeepsie, NY | NEW YORK | 59 FR Page 18967 | Final Approval | Boundary Change |
| 04/18/1994 | Raleigh-Durham, NC | NORTH CAROLINA | 59 FR Page 18300 | Final Approval | Redesignation to Maintenance |
| 01/31/1994 | Richmond, VA | VIRGINIA | 59 FR Page 4263 | Withdrawal | Redesignation to Maintenance |
| 09/27/1993 | Knoxville, TN | TENNESSEE | 58 FR Page 50271 | Final Approval | Redesignation to Maintenance |
| 09/09/1993 | Greensboro-Winston Salem-High Point | NORTH CAROLINA | 58 FR Page 47391 | Final Approval | Redesignation to Maintenance |
| 08/17/1993 | Richmond, VA | VIRGINIA | 58 FR Page 43609 | Proposed Approval | Redesignation to Maintenance |
| 03/31/1993 | Knoxville, TN | TENNESSEE | 58 FR Page 16806 | Proposed Approval | Redesignation to Maintenance |
| 12/15/1992 | Cherokee Co, SC | SOUTH CAROLINA | 57 FR Page 59300 | Final Approval | Redesignation to Maintenance |
| 11/30/1992 | Muskegon, MI | MICHIGAN | 57 FR Page 56762 | Final Approval | Change to a Lower Classification |
| 11/30/1992 | New York-N. New Jersey-Long Island, | NEW YORK | 57 FR Page 56762 | Final Approval | Boundary Change |
| 11/30/1992 | Salem, OR | OREGON | 57 FR Page 56762 | Final Approval | Boundary Change |
| 11/30/1992 | Seattle-Tacoma, WA | WASHINGTON | 57 FR Page 56762 | Final Approval | Boundary Change |
| 11/30/1992 | Sheboygan, WI | WISCONSIN | 57 FR Page 56762 | Final Approval | Change to a Lower Classification |
| 06/23/1992 | Kansas City, MO-KS | KANSAS | 57 FR Page 27936 | Final Approval | Redesignation to Maintenance |
| 06/23/1992 | Kansas City, MO-KS | MISSOURI | 57 FR Page 27939 | Final Approval | Redesignation to Maintenance |
| 01/15/1992 | Kansas City, MO-KS | KANSAS | 57 FR Page 1705 | Proposed Approval | Redesignation to Maintenance |
| 01/15/1992 | Kansas City, MO-KS | MISSOURI | 57 FR Page 1700 | Proposed Approval | Redesignation to Maintenance |
First Notice
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