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Federal Register Notices Related to PM-2.5 (2006) Designations and Classifications
Federal Register Notices Related to PM-2.5 (2006) Designations and Classifications
Data is current as of November 30, 2024Ordered Chronologically in Descending Order
Click on the 'FR' link to view the Federal Register Notice
Last Notice
| 11/25/2024 | Los Angeles-South Coast Air Basin, CA | CALIFORNIA | 89 FR 92873 | Proposed Approval | Clean Data Determination/Attainment Determination |
| 08/22/2022 | Oakridge, OR | OREGON | 87 FR 51262 | Final Approval | Redesignation to Maintenance |
| 08/15/2022 | Nogales, AZ | ARIZONA | 87 FR 49997 | Final Approval | Redesignation to Maintenance |
| 05/05/2022 | Oakridge, OR | OREGON | 87 FR 26710 | Proposed Approval | Redesignation to Maintenance |
| 03/02/2022 | Nogales, AZ | ARIZONA | 87 FR 11664 | Proposed Approval | Redesignation to Maintenance |
| 05/21/2021 | Logan, UT-ID | IDAHO | 86 FR 27532 | Final Approval | Redesignation to Maintenance |
| 05/19/2021 | Logan, UT-ID | UTAH | 86 FR 27035 | Final Approval | Redesignation to Maintenance |
| 04/06/2021 | Provo, UT | UTAH | 86 FR 17762 | Reopening of Public Comment Period | Redesignation to Maintenance |
| 04/06/2021 | Salt Lake City, UT | UTAH | 86 FR 17762 | Reopening of Public Comment Period | Redesignation to Maintenance |
| 02/26/2021 | Logan, UT-ID | UTAH | 86 FR 11694 | Proposed Approval | Redesignation to Maintenance |
| 02/17/2021 | Logan, UT-ID | IDAHO | 86 FR 9884 | Proposed Approval | Redesignation to Maintenance |
| 11/17/2020 | Provo, UT | UTAH | 85 FR 73229 | Final Approval | Clean Data Determination/Attainment Determination |
| 11/17/2020 | Salt Lake City, UT | UTAH | 85 FR 73229 | Final Approval | Clean Data Determination/Attainment Determination |
| 11/06/2020 | Provo, UT | UTAH | 85 FR 71023 | Proposed Approval | Redesignation to Maintenance |
| 11/06/2020 | Salt Lake City, UT | UTAH | 85 FR 71023 | Proposed Approval | Redesignation to Maintenance |
| 09/16/2020 | Los Angeles-South Coast Air Basin, CA | CALIFORNIA | 85 FR 57733 | Final Approval | Failure to Attain by Attainment Date |
| 09/02/2020 | Fairbanks, AK | ALASKA | 85 FR 54509 | Final Approval | Failure to Attain by Attainment Date |
| 09/02/2020 | Fairbanks, AK | ALASKA | 85 FR 54509 | Final Approval | Attainment Date Extension Denied |
| 07/22/2020 | San Joaquin Valley, CA | CALIFORNIA | 85 FR 44192 | Final Approval | Attainment Date Extension |
| 07/10/2020 | Los Angeles-South Coast Air Basin, CA | CALIFORNIA | 85 FR 41479 | Proposed Approval | Failure to Attain by Attainment Date |
| 07/07/2020 | Salt Lake City, UT | UTAH | 85 FR 40618 | Proposed Approval | Correction/Clarification |
| 06/08/2020 | Provo, UT | UTAH | 85 FR 35033 | Proposed Approval | Clean Data Determination/Attainment Determination |
| 06/08/2020 | Salt Lake City, UT | UTAH | 85 FR 35033 | Proposed Approval | Clean Data Determination/Attainment Determination |
| 05/19/2020 | Fairbanks, AK | ALASKA | 85 FR 29879 | Proposed Approval | Failure to Attain by Attainment Date |
| 10/03/2019 | West Central Pinal, AZ | ARIZONA | 84 FR 52766 | Final Approval | Clean Data Determination/Attainment Determination |
| 09/27/2019 | Salt Lake City, UT | UTAH | 84 FR 51055 | Final Approval | Clean Data Determination/Attainment Determination |
| 06/24/2019 | Salt Lake City, UT | UTAH | 84 FR 29455 | Proposed Approval | Extension of Comment Period |
| 06/05/2019 | Salt Lake City, UT | UTAH | 84 FR 26053 | Proposed Approval | Clean Data Determination/Attainment Determination |
| 04/25/2019 | West Central Pinal, AZ | ARIZONA | 84 FR 17368 | Proposed Approval | Clean Data Determination/Attainment Determination |
| 04/10/2019 | Provo, UT | UTAH | 84 FR 14267 | Final Approval | Clean Data Determination/Attainment Determination |
| 02/12/2019 | Provo, UT | UTAH | 84 FR 3373 | Proposed Approval | Clean Data Determination/Attainment Determination |
| 10/19/2018 | Logan, UT-ID | IDAHO | 83 FR 52983 | Final Approval | Clean Data Determination/Attainment Determination |
| 10/19/2018 | Logan, UT-ID | UTAH | 83 FR 52983 | Final Approval | Clean Data Determination/Attainment Determination |
| 07/18/2018 | Logan, UT-ID | IDAHO | 83 FR 33886 | Proposed Approval | Clean Data Determination/Attainment Determination |
| 07/18/2018 | Logan, UT-ID | UTAH | 83 FR 33886 | Proposed Approval | Clean Data Determination/Attainment Determination |
| 07/11/2018 | Chico, CA | CALIFORNIA | 83 FR 32064 | Final Approval | Redesignation to Maintenance |
| 05/09/2018 | Chico, CA | CALIFORNIA | 83 FR 21238 | Proposed Approval | Redesignation to Maintenance |
| 02/08/2018 | Oakridge, OR | OREGON | 83 FR 5537 | Final Approval | Clean Data Determination/Attainment Determination |
| 11/14/2017 | Oakridge, OR | OREGON | 82 FR 52683 | Proposed Approval | Clean Data Determination/Attainment Determination |
| 09/08/2017 | Logan, UT-ID | IDAHO | 82 FR 42447 | Final Approval | Attainment Date Extension |
| 09/08/2017 | Logan, UT-ID | UTAH | 82 FR 42447 | Final Approval | Attainment Date Extension |
| 08/28/2017 | Knoxville-Sevierville-La Follette, TN | TENNESSEE | 82 FR 40718 | Final Approval | Redesignation to Maintenance |
| 06/08/2017 | Logan, UT-ID | IDAHO | 82 FR 26638 | Proposed Approval | Attainment Date Extension |
| 06/06/2017 | Logan, UT-ID | UTAH | 82 FR 25992 | Proposed Approval | Attainment Date Extension |
| 05/30/2017 | Knoxville-Sevierville-La Follette, TN | TENNESSEE | 82 FR 24621 | Proposed Approval | Redesignation to Maintenance |
| 05/10/2017 | Chico, CA | CALIFORNIA | 82 FR 21711 | Final Approval | Clean Data Determination/Attainment Determination |
| 05/10/2017 | Fairbanks, AK | ALASKA | 82 FR 21711 | Final Approval | Change to a Higher Classification (Bump-Ups) |
| 05/10/2017 | Fairbanks, AK | ALASKA | 82 FR 21711 | Final Approval | Failure to Attain by Attainment Date |
| 05/10/2017 | Imperial County, CA | CALIFORNIA | 82 FR 21711 | Final Approval | Clean Data Determination/Attainment Determination |
| 05/10/2017 | Knoxville-Sevierville-La Follette, TN | TENNESSEE | 82 FR 21711 | Final Approval | Clean Data Determination/Attainment Determination |
| 05/10/2017 | Liberty-Clairton, PA | PENNSYLVANIA | 82 FR 21711 | Final Approval | Clean Data Determination/Attainment Determination |
| 05/10/2017 | Nogales, AZ | ARIZONA | 82 FR 21711 | Final Approval | Clean Data Determination/Attainment Determination |
| 05/10/2017 | Provo, UT | UTAH | 82 FR 21711 | Final Approval | Change to a Higher Classification (Bump-Ups) |
| 05/10/2017 | Provo, UT | UTAH | 82 FR 21711 | Final Approval | Failure to Attain by Attainment Date |
| 05/10/2017 | Sacramento, CA | CALIFORNIA | 82 FR 21711 | Final Approval | Clean Data Determination/Attainment Determination |
| 05/10/2017 | Salt Lake City, UT | UTAH | 82 FR 21711 | Final Approval | Change to a Higher Classification (Bump-Ups) |
| 05/10/2017 | Salt Lake City, UT | UTAH | 82 FR 21711 | Final Approval | Failure to Attain by Attainment Date |
| 05/10/2017 | San Francisco Bay Area, CA | CALIFORNIA | 82 FR 21711 | Final Approval | Clean Data Determination/Attainment Determination |
| 03/13/2017 | Imperial County, CA | CALIFORNIA | 82 FR 13413 | Proposed Approval | Clean Data Determination/Attainment Determination |
| 03/13/2017 | Imperial County, CA | CALIFORNIA | 82 FR 13392 | Direct Final | Clean Data Determination/Attainment Determination |
| 12/16/2016 | Chico, CA | CALIFORNIA | 81 FR 91088 | Proposed Approval | Clean Data Determination/Attainment Determination |
| 12/16/2016 | Fairbanks, AK | ALASKA | 81 FR 91088 | Proposed Approval | Change to a Higher Classification (Bump-Ups) |
| 12/16/2016 | Fairbanks, AK | ALASKA | 81 FR 91088 | Proposed Approval | Failure to Attain by Attainment Date |
| 12/16/2016 | Imperial County, CA | CALIFORNIA | 81 FR 91088 | Proposed Approval | Clean Data Determination/Attainment Determination |
| 12/16/2016 | Knoxville-Sevierville-La Follette, TN | TENNESSEE | 81 FR 91088 | Proposed Approval | Clean Data Determination/Attainment Determination |
| 12/16/2016 | Liberty-Clairton, PA | PENNSYLVANIA | 81 FR 91088 | Proposed Approval | Clean Data Determination/Attainment Determination |
| 12/16/2016 | Logan, UT-ID | IDAHO | 81 FR 91088 | Proposed Approval | Change to a Higher Classification (Bump-Ups) |
| 12/16/2016 | Logan, UT-ID | IDAHO | 81 FR 91088 | Proposed Approval | Failure to Attain by Attainment Date |
| 12/16/2016 | Logan, UT-ID | UTAH | 81 FR 91088 | Proposed Approval | Change to a Higher Classification (Bump-Ups) |
| 12/16/2016 | Logan, UT-ID | UTAH | 81 FR 91088 | Proposed Approval | Failure to Attain by Attainment Date |
| 12/16/2016 | Nogales, AZ | ARIZONA | 81 FR 91088 | Proposed Approval | Clean Data Determination/Attainment Determination |
| 12/16/2016 | Provo, UT | UTAH | 81 FR 91088 | Proposed Approval | Change to a Higher Classification (Bump-Ups) |
| 12/16/2016 | Provo, UT | UTAH | 81 FR 91088 | Proposed Approval | Failure to Attain by Attainment Date |
| 12/16/2016 | Sacramento, CA | CALIFORNIA | 81 FR 91088 | Proposed Approval | Clean Data Determination/Attainment Determination |
| 12/16/2016 | Salt Lake City, UT | UTAH | 81 FR 91088 | Proposed Approval | Change to a Higher Classification (Bump-Ups) |
| 12/16/2016 | Salt Lake City, UT | UTAH | 81 FR 91088 | Proposed Approval | Failure to Attain by Attainment Date |
| 12/16/2016 | San Francisco Bay Area, CA | CALIFORNIA | 81 FR 91088 | Proposed Approval | Clean Data Determination/Attainment Determination |
| 07/18/2016 | Oakridge, OR | OREGON | 81 FR 46612 | Final Approval | Attainment Date Extension |
| 06/06/2016 | Klamath Falls, OR | OREGON | 81 FR 36176 | Final Approval | Clean Data Determination/Attainment Determination |
| 05/18/2016 | Oakridge, OR | OREGON | 81 FR 31202 | Proposed Approval | Attainment Date Extension |
| 04/13/2016 | Klamath Falls, OR | OREGON | 81 FR 21814 | Proposed Approval | Clean Data Determination/Attainment Determination |
| 01/20/2016 | San Joaquin Valley, CA | CALIFORNIA | 81 FR 2993 | Final Approval | Change to a Higher Classification (Bump-Ups) |
| 01/13/2016 | Los Angeles-South Coast Air Basin, CA | CALIFORNIA | 81 FR 1514 | Final Approval | Change to a Higher Classification (Bump-Ups) |
| 11/09/2015 | Logan, UT-ID | IDAHO | 80 FR 69172 | Proposed Approval | Change to a Higher Classification (Bump-Ups) |
| 11/09/2015 | Logan, UT-ID | UTAH | 80 FR 69173 | Proposed Approval | Change to a Higher Classification (Bump-Ups) |
| 11/09/2015 | Provo, UT | UTAH | 80 FR 69173 | Proposed Approval | Change to a Higher Classification (Bump-Ups) |
| 11/09/2015 | Salt Lake City, UT | UTAH | 80 FR 69173 | Proposed Approval | Change to a Higher Classification (Bump-Ups) |
| 10/20/2015 | Los Angeles-South Coast Air Basin, CA | CALIFORNIA | 80 FR 63640 | Proposed Approval | Change to a Higher Classification (Bump-Ups) |
| 10/02/2015 | Pittsburgh-Beaver Valley, PA | PENNSYLVANIA | 80 FR 59624 | Final Approval | Redesignation to Maintenance |
| 07/16/2015 | Johnstown, PA | PENNSYLVANIA | 80 FR 42046 | Final Approval | Redesignation to Maintenance |
| 07/16/2015 | Lancaster, PA | PENNSYLVANIA | 80 FR 42050 | Final Approval | Redesignation to Maintenance |
| 07/10/2015 | Liberty-Clairton, PA | PENNSYLVANIA | 80 FR 39696 | Final Approval | Clean Data Determination/Attainment Determination |
| 05/20/2015 | Pittsburgh-Beaver Valley, PA | PENNSYLVANIA | 80 FR 28906 | Proposed Approval | Redesignation to Maintenance |
| 05/01/2015 | Lancaster, PA | PENNSYLVANIA | 80 FR 24874 | Proposed Approval | Redesignation to Maintenance |
| 04/28/2015 | Harrisburg-Lebanon-Carlisle-York, PA | PENNSYLVANIA | 80 FR 23449 | Final Approval | Correction/Clarification |
| 04/23/2015 | Johnstown, PA | PENNSYLVANIA | 80 FR 22672 | Proposed Approval | Redesignation to Maintenance |
| 04/23/2015 | Liberty-Clairton, PA | PENNSYLVANIA | 80 FR 22666 | Proposed Approval | Clean Data Determination/Attainment Determination |
| 04/21/2015 | Philadelphia-Wilmington, PA-NJ-DE | PENNSYLVANIA | 80 FR 22112 | Final Approval | Redesignation to Maintenance |
| 04/13/2015 | Allentown, PA | PENNSYLVANIA | 80 FR 19548 | Final Approval | Redesignation to Maintenance |
| 02/17/2015 | Philadelphia-Wilmington, PA-NJ-DE | PENNSYLVANIA | 80 FR 8254 | Proposed Approval | Redesignation to Maintenance |
| 02/11/2015 | Harrisburg-Lebanon-Carlisle-York, PA | PENNSYLVANIA | 80 FR 7540 | Final Approval | Correction/Clarification |
| 02/10/2015 | Tacoma, WA | WASHINGTON | 80 FR 7347 | Final Approval | Redesignation to Maintenance |
| 02/04/2015 | Allentown, PA | PENNSYLVANIA | 80 FR 6019 | Proposed Approval | Redesignation to Maintenance |
| 01/13/2015 | San Joaquin Valley, CA | CALIFORNIA | 80 FR 1816 | Proposed Approval | Change to a Higher Classification (Bump-Ups) |
| 12/11/2014 | Tacoma, WA | WASHINGTON | 79 FR 73525 | Proposed Approval | Redesignation to Maintenance |
| 12/09/2014 | Yuba City-Marysville, CA | CALIFORNIA | 79 FR 72981 | Final Approval | Redesignation to Maintenance |
| 12/08/2014 | Harrisburg-Lebanon-Carlisle-York, PA | PENNSYLVANIA | 79 FR 72552 | Final Approval | Redesignation to Maintenance |
| 10/17/2014 | Harrisburg-Lebanon-Carlisle-York, PA | PENNSYLVANIA | 79 FR 62389 | Proposed Approval | Redesignation to Maintenance |
| 10/15/2014 | Yuba City-Marysville, CA | CALIFORNIA | 79 FR 61822 | Proposed Approval | Redesignation to Maintenance |
| 08/05/2014 | Philadelphia-Wilmington, PA-NJ-DE | DELAWARE | 79 FR 45350 | Final Approval | Redesignation to Maintenance |
| 06/02/2014 | Allentown, PA | PENNSYLVANIA | 79 FR 31566 | Final Approval | Change from Subpart 1 to Subpart 4 |
| 06/02/2014 | Chico, CA | CALIFORNIA | 79 FR 31566 | Final Approval | Change from Subpart 1 to Subpart 4 |
| 06/02/2014 | Fairbanks, AK | ALASKA | 79 FR 31566 | Final Approval | Change from Subpart 1 to Subpart 4 |
| 06/02/2014 | Harrisburg-Lebanon-Carlisle-York, PA | PENNSYLVANIA | 79 FR 31566 | Final Approval | Change from Subpart 1 to Subpart 4 |
| 06/02/2014 | Imperial County, CA | CALIFORNIA | 79 FR 31566 | Final Approval | Change from Subpart 1 to Subpart 4 |
| 06/02/2014 | Johnstown, PA | PENNSYLVANIA | 79 FR 31566 | Final Approval | Change from Subpart 1 to Subpart 4 |
| 06/02/2014 | Klamath Falls, OR | OREGON | 79 FR 31566 | Final Approval | Change from Subpart 1 to Subpart 4 |
| 06/02/2014 | Knoxville-Sevierville-La Follette, TN | TENNESSEE | 79 FR 31566 | Final Approval | Change from Subpart 1 to Subpart 4 |
| 06/02/2014 | Lancaster, PA | PENNSYLVANIA | 79 FR 31566 | Final Approval | Change from Subpart 1 to Subpart 4 |
| 06/02/2014 | Liberty-Clairton, PA | PENNSYLVANIA | 79 FR 31566 | Final Approval | Change from Subpart 1 to Subpart 4 |
| 06/02/2014 | Logan, UT-ID | IDAHO | 79 FR 31566 | Final Approval | Change from Subpart 1 to Subpart 4 |
| 06/02/2014 | Logan, UT-ID | UTAH | 79 FR 31566 | Final Approval | Change from Subpart 1 to Subpart 4 |
| 06/02/2014 | Los Angeles-South Coast Air Basin, CA | CALIFORNIA | 79 FR 31566 | Final Approval | Change from Subpart 1 to Subpart 4 |
| 06/02/2014 | Nogales, AZ | ARIZONA | 79 FR 31566 | Final Approval | Change from Subpart 1 to Subpart 4 |
| 06/02/2014 | Oakridge, OR | OREGON | 79 FR 31566 | Final Approval | Change from Subpart 1 to Subpart 4 |
| 06/02/2014 | Philadelphia-Wilmington, PA-NJ-DE | DELAWARE | 79 FR 31566 | Final Approval | Change from Subpart 1 to Subpart 4 |
| 06/02/2014 | Philadelphia-Wilmington, PA-NJ-DE | PENNSYLVANIA | 79 FR 31566 | Final Approval | Change from Subpart 1 to Subpart 4 |
| 06/02/2014 | Pittsburgh-Beaver Valley, PA | PENNSYLVANIA | 79 FR 31566 | Final Approval | Change from Subpart 1 to Subpart 4 |
| 06/02/2014 | Provo, UT | UTAH | 79 FR 31566 | Final Approval | Change from Subpart 1 to Subpart 4 |
| 06/02/2014 | Sacramento, CA | CALIFORNIA | 79 FR 31566 | Final Approval | Change from Subpart 1 to Subpart 4 |
| 06/02/2014 | Salt Lake City, UT | UTAH | 79 FR 31566 | Final Approval | Change from Subpart 1 to Subpart 4 |
| 06/02/2014 | San Francisco Bay Area, CA | CALIFORNIA | 79 FR 31566 | Final Approval | Change from Subpart 1 to Subpart 4 |
| 06/02/2014 | San Joaquin Valley, CA | CALIFORNIA | 79 FR 31566 | Final Approval | Change from Subpart 1 to Subpart 4 |
| 06/02/2014 | Tacoma, WA | WASHINGTON | 79 FR 31566 | Final Approval | Change from Subpart 1 to Subpart 4 |
| 06/02/2014 | West Central Pinal, AZ | ARIZONA | 79 FR 31566 | Final Approval | Change from Subpart 1 to Subpart 4 |
| 06/02/2014 | Yuba City-Marysville, CA | CALIFORNIA | 79 FR 31566 | Final Approval | Change from Subpart 1 to Subpart 4 |
| 05/02/2014 | Pittsburgh-Beaver Valley, PA | PENNSYLVANIA | 79 FR 25014 | Final Approval | Clean Data Determination/Attainment Determination |
| 04/22/2014 | Milwaukee-Racine, WI | WISCONSIN | 79 FR 22415 | Final Approval | Redesignation to Maintenance |
| 04/18/2014 | New York-N. New Jersey-Long Island, NY-NJ-CT | NEW YORK | 79 FR 21857 | Final Approval | Redesignation to Maintenance |
| 04/11/2014 | Philadelphia-Wilmington, PA-NJ-DE | DELAWARE | 79 FR 20139 | Proposed Approval | Redesignation to Maintenance |
| 03/31/2014 | Charleston, WV | WEST VIRGINIA | 79 FR 17884 | Final Approval | Redesignation to Maintenance |
| 03/18/2014 | Steubenville-Weirton, OH-WV | WEST VIRGINIA | 79 FR 15019 | Final Approval | Redesignation to Maintenance |
| 02/18/2014 | Milwaukee-Racine, WI | WISCONSIN | 79 FR 9134 | Proposed Approval | Redesignation to Maintenance |
| 02/11/2014 | New York-N. New Jersey-Long Island, NY-NJ-CT | NEW YORK | 79 FR 8133 | Proposed Approval | Redesignation to Maintenance |
| 01/24/2014 | Charleston, WV | WEST VIRGINIA | 79 FR 4121 | Proposed Approval | Redesignation to Maintenance |
| 12/09/2013 | Steubenville-Weirton, OH-WV | WEST VIRGINIA | 78 FR 73769 | Proposed Approval | Redesignation to Maintenance |
| 11/21/2013 | Fairbanks, AK | ALASKA | 78 FR 69806 | Proposed Approval | Change from Subpart 1 to Subpart 4 |
| 11/21/2013 | Imperial County, CA | CALIFORNIA | 78 FR 69806 | Proposed Approval | Change from Subpart 1 to Subpart 4 |
| 11/21/2013 | Liberty-Clairton, PA | PENNSYLVANIA | 78 FR 69806 | Proposed Approval | Change from Subpart 1 to Subpart 4 |
| 11/21/2013 | Provo, UT | UTAH | 78 FR 69806 | Proposed Approval | Change from Subpart 1 to Subpart 4 |
| 11/21/2013 | Salt Lake City, UT | UTAH | 78 FR 69806 | Proposed Approval | Change from Subpart 1 to Subpart 4 |
| 10/22/2013 | Canton-Massillon, OH | OHIO | 78 FR 62459 | Final Approval | Redesignation to Maintenance |
| 09/24/2013 | New York-N. New Jersey-Long Island, NY-NJ-CT | CONNECTICUT | 78 FR 58467 | Final Approval | Redesignation to Maintenance |
| 09/18/2013 | Cleveland-Akron-Lorain, OH | OHIO | 78 FR 57270 | Final Approval | Redesignation to Maintenance |
| 09/18/2013 | Steubenville-Weirton, OH-WV | OHIO | 78 FR 57273 | Final Approval | Redesignation to Maintenance |
| 09/10/2013 | Chico, CA | CALIFORNIA | 78 FR 55225 | Final Approval | Clean Data Determination/Attainment Determination |
| 09/04/2013 | New York-N. New Jersey-Long Island, NY-NJ-CT | NEW JERSEY | 78 FR 54396 | Final Approval | Redesignation to Maintenance |
| 09/04/2013 | Philadelphia-Wilmington, PA-NJ-DE | NEW JERSEY | 78 FR 54396 | Final Approval | Redesignation to Maintenance |
| 09/04/2013 | West Central Pinal, AZ | ARIZONA | 78 FR 54394 | Final Approval | Clean Data Determination/Attainment Determination |
| 08/29/2013 | Detroit-Ann Arbor, MI | MICHIGAN | 78 FR 53272 | Final Approval | Redesignation to Maintenance |
| 08/14/2013 | Pittsburgh-Beaver Valley, PA | PENNSYLVANIA | 78 FR 49403 | Proposed Approval | Clean Data Determination/Attainment Determination |
| 08/07/2013 | Canton-Massillon, OH | OHIO | 78 FR 48087 | Proposed Approval | Redesignation to Maintenance |
| 07/26/2013 | Cleveland-Akron-Lorain, OH | OHIO | 78 FR 45116 | Proposed Approval | Redesignation to Maintenance |
| 07/19/2013 | New York-N. New Jersey-Long Island, NY-NJ-CT | CONNECTICUT | 78 FR 43096 | Proposed Approval | Redesignation to Maintenance |
| 07/18/2013 | Tacoma, WA | WASHINGTON | 78 FR 42905 | Proposed Approval | Clean Data Determination/Attainment Determination |
| 07/15/2013 | Sacramento, CA | CALIFORNIA | 78 FR 42018 | Final Approval | Clean Data Determination/Attainment Determination |
| 07/12/2013 | West Central Pinal, AZ | ARIZONA | 78 FR 41901 | Proposed Approval | Clean Data Determination/Attainment Determination |
| 07/11/2013 | Steubenville-Weirton, OH-WV | OHIO | 78 FR 41752 | Proposed Approval | Redesignation to Maintenance |
| 07/02/2013 | Detroit-Ann Arbor, MI | MICHIGAN | 78 FR 39654 | Proposed Approval | Redesignation to Maintenance |
| 06/27/2013 | New York-N. New Jersey-Long Island, NY-NJ-CT | NEW JERSEY | 78 FR 38648 | Proposed Approval | Redesignation to Maintenance |
| 06/27/2013 | Philadelphia-Wilmington, PA-NJ-DE | NEW JERSEY | 78 FR 38648 | Proposed Approval | Redesignation to Maintenance |
| 01/25/2013 | Birmingham, AL | ALABAMA | 78 FR 5306 | Final Approval | Redesignation to Maintenance |
| 01/10/2013 | Yuba City-Marysville, CA | CALIFORNIA | 78 FR 2211 | Final Approval | Clean Data Determination/Attainment Determination |
| 01/09/2013 | San Francisco Bay Area, CA | CALIFORNIA | 78 FR 1760 | Final Approval | Clean Data Determination/Attainment Determination |
| 01/07/2013 | Nogales, AZ | ARIZONA | 78 FR 887 | Final Approval | Clean Data Determination/Attainment Determination |
| 01/07/2013 | Philadelphia-Wilmington, PA-NJ-DE | DELAWARE | 78 FR 882 | Final Approval | Clean Data Determination/Attainment Determination |
| 01/07/2013 | Philadelphia-Wilmington, PA-NJ-DE | NEW JERSEY | 78 FR 882 | Final Approval | Clean Data Determination/Attainment Determination |
| 01/07/2013 | Philadelphia-Wilmington, PA-NJ-DE | PENNSYLVANIA | 78 FR 882 | Final Approval | Clean Data Determination/Attainment Determination |
| 12/31/2012 | New York-N. New Jersey-Long Island, NY-NJ-CT | CONNECTICUT | 77 FR 76867 | Final Approval | Clean Data Determination/Attainment Determination |
| 12/31/2012 | New York-N. New Jersey-Long Island, NY-NJ-CT | NEW JERSEY | 77 FR 76867 | Final Approval | Clean Data Determination/Attainment Determination |
| 12/31/2012 | New York-N. New Jersey-Long Island, NY-NJ-CT | NEW YORK | 77 FR 76867 | Final Approval | Clean Data Determination/Attainment Determination |
| 12/28/2012 | Milwaukee-Racine, WI | WISCONSIN | 77 FR 76427 | Proposed Approval | Clean Data Determination/Attainment Determination |
| 10/30/2012 | Chico, CA | CALIFORNIA | 77 FR 65651 | Proposed Approval | Clean Data Determination/Attainment Determination |
| 10/30/2012 | Nogales, AZ | ARIZONA | 77 FR 65656 | Proposed Approval | Clean Data Determination/Attainment Determination |
| 10/30/2012 | Yuba City-Marysville, CA | CALIFORNIA | 77 FR 65646 | Proposed Approval | Clean Data Determination/Attainment Determination |
| 10/29/2012 | San Francisco Bay Area, CA | CALIFORNIA | 77 FR 65521 | Proposed Approval | Clean Data Determination/Attainment Determination |
| 10/26/2012 | Sacramento, CA | CALIFORNIA | 77 FR 65346 | Proposed Approval | Clean Data Determination/Attainment Determination |
| 10/02/2012 | Philadelphia-Wilmington, PA-NJ-DE | DELAWARE | 77 FR 60089 | Proposed Approval | Clean Data Determination/Attainment Determination |
| 10/02/2012 | Philadelphia-Wilmington, PA-NJ-DE | NEW JERSEY | 77 FR 60089 | Proposed Approval | Clean Data Determination/Attainment Determination |
| 10/02/2012 | Philadelphia-Wilmington, PA-NJ-DE | PENNSYLVANIA | 77 FR 60089 | Proposed Approval | Clean Data Determination/Attainment Determination |
| 09/04/2012 | Tacoma, WA | WASHINGTON | 77 FR 53772 | Final Approval | Clean Data Determination/Attainment Determination |
| 08/30/2012 | New York-N. New Jersey-Long Island, NY-NJ-CT | CONNECTICUT | 77 FR 52626 | Proposed Approval | Clean Data Determination/Attainment Determination |
| 08/30/2012 | New York-N. New Jersey-Long Island, NY-NJ-CT | NEW JERSEY | 77 FR 52626 | Proposed Approval | Clean Data Determination/Attainment Determination |
| 08/30/2012 | New York-N. New Jersey-Long Island, NY-NJ-CT | NEW YORK | 77 FR 52626 | Proposed Approval | Clean Data Determination/Attainment Determination |
| 08/02/2012 | Knoxville-Sevierville-La Follette, TN | TENNESSEE | 77 FR 45954 | Final Approval | Clean Data Determination/Attainment Determination |
| 07/05/2012 | Detroit-Ann Arbor, MI | MICHIGAN | 77 FR 39659 | Proposed Approval | Clean Data Determination/Attainment Determination |
| 07/05/2012 | Tacoma, WA | WASHINGTON | 77 FR 39657 | Proposed Approval | Clean Data Determination/Attainment Determination |
| 06/06/2012 | Knoxville-Sevierville-La Follette, TN | TENNESSEE | 77 FR 33360 | Proposed Approval | Clean Data Determination/Attainment Determination |
| 05/23/2012 | Milwaukee-Racine, WI | WISCONSIN | 77 FR 30453 | Proposed Approval | Extension of Comment Period |
| 05/14/2012 | Steubenville-Weirton, OH-WV | OHIO | 77 FR 28264 | Final Approval | Clean Data Determination/Attainment Determination |
| 05/14/2012 | Steubenville-Weirton, OH-WV | WEST VIRGINIA | 77 FR 28264 | Final Approval | Clean Data Determination/Attainment Determination |
| 04/24/2012 | Milwaukee-Racine, WI | WISCONSIN | 77 FR 24436 | Proposed Approval | Clean Data Determination/Attainment Determination |
| 03/29/2012 | Allentown, PA | PENNSYLVANIA | 77 FR 18922 | Final Approval | Clean Data Determination/Attainment Determination |
| 03/29/2012 | Harrisburg-Lebanon-Carlisle-York, PA | PENNSYLVANIA | 77 FR 18922 | Final Approval | Clean Data Determination/Attainment Determination |
| 03/29/2012 | Johnstown, PA | PENNSYLVANIA | 77 FR 18922 | Final Approval | Clean Data Determination/Attainment Determination |
| 03/29/2012 | Lancaster, PA | PENNSYLVANIA | 77 FR 18922 | Final Approval | Clean Data Determination/Attainment Determination |
| 01/20/2012 | Allentown, PA | PENNSYLVANIA | 77 FR 2941 | Proposed Approval | Clean Data Determination/Attainment Determination |
| 01/20/2012 | Harrisburg-Lebanon-Carlisle-York, PA | PENNSYLVANIA | 77 FR 2941 | Proposed Approval | Clean Data Determination/Attainment Determination |
| 01/20/2012 | Johnstown, PA | PENNSYLVANIA | 77 FR 2941 | Proposed Approval | Clean Data Determination/Attainment Determination |
| 01/20/2012 | Lancaster, PA | PENNSYLVANIA | 77 FR 2941 | Proposed Approval | Clean Data Determination/Attainment Determination |
| 11/18/2011 | Charleston, WV | WEST VIRGINIA | 76 FR 71450 | Final Approval | Clean Data Determination/Attainment Determination |
| 11/10/2011 | Birmingham, AL | ALABAMA | 76 FR 70091 | Proposed Approval | Redesignation to Maintenance |
| 10/04/2011 | Steubenville-Weirton, OH-WV | OHIO | 76 FR 61291 | Proposed Approval | Clean Data Determination/Attainment Determination |
| 10/04/2011 | Steubenville-Weirton, OH-WV | WEST VIRGINIA | 76 FR 61291 | Proposed Approval | Clean Data Determination/Attainment Determination |
| 08/19/2011 | Charleston, WV | WEST VIRGINIA | 76 FR 51927 | Proposed Approval | Clean Data Determination/Attainment Determination |
| 02/03/2011 | West Central Pinal, AZ | ARIZONA | 76 FR 6056 | Final Approval | Designation to Nonattainment |
| 09/20/2010 | Birmingham, AL | ALABAMA | 75 FR 57186 | Final Approval | Clean Data Determination/Attainment Determination |
| 06/14/2010 | Birmingham, AL | ALABAMA | 75 FR 33562 | Proposed Approval | Clean Data Determination/Attainment Determination |
First Notice