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Federal Register Notices Related to PM-2.5 (1997) Designations and Classifications

Data is current as of August 31, 2020
Ordered by State, Area Name

Click on the 'FR' link to view the Federal Register Notice
ALABAMA
BIRMINGHAM, AL
  04/12/2011      76 FR 20291      Proposed Approval      Clean Data Determination/Attainment Determination   
  06/29/2011      76 FR 38023      Final Approval      Clean Data Determination/Attainment Determination   
  11/10/2011      76 FR 70078      Proposed Approval      Redesignation to Maintenance   
  01/22/2013      78 FR 4341      Final Approval      Redesignation to Maintenance   
CHATTANOOGA, TN-GA-AL
  03/22/2011      76 FR 15895      Proposed Approval      Clean Data Determination/Attainment Determination   
  05/31/2011      76 FR 31239      Final Approval      Clean Data Determination/Attainment Determination   
  06/02/2011      76 FR 31900      Proposed Approval      Clean Data Determination/Attainment Determination   
  09/08/2011      76 FR 55774      Final Approval      Clean Data Determination/Attainment Determination   
  05/05/2014      79 FR 25555      Proposed Approval      Technical Amendment   
  05/05/2014      79 FR 25508      Direct Final      Technical Amendment   
  06/02/2014      79 FR 31566      Final Approval      Change from Subpart 1 to Subpart 4   
  11/12/2014      79 FR 67137      Proposed Approval      Redesignation to Maintenance   
  12/22/2014      79 FR 76235      Final Approval      Redesignation to Maintenance   
CALIFORNIA
LOS ANGELES-SOUTH COAST AIR BASIN, CA
  07/14/2011      76 FR 41562      Proposed Approval      Attainment Date Extension   
  11/09/2011      76 FR 69928      Final Approval      Attainment Date Extension   
  11/21/2013      78 FR 69806      Proposed Approval      Change from Subpart 1 to Subpart 4   
  06/02/2014      79 FR 31566      Final Approval      Change from Subpart 1 to Subpart 4   
  12/09/2014      79 FR 72999      Proposed Approval      Clean Data Determination/Attainment Determination   
  01/06/2015      80 FR 449      Proposed Approval      Extension of Comment Period   
  07/25/2016      81 FR 48350      Final Approval      Clean Data Determination/Attainment Determination   
SAN JOAQUIN VALLEY, CA
  07/13/2011      76 FR 41338      Proposed Approval      Attainment Date Extension   
  11/09/2011      76 FR 69896      Final Approval      Attainment Date Extension   
  11/21/2013      78 FR 69806      Proposed Approval      Change from Subpart 1 to Subpart 4   
  06/02/2014      79 FR 31566      Final Approval      Change from Subpart 1 to Subpart 4   
  01/12/2015      80 FR 1482      Proposed Approval      Change to a Higher Classification (Bump-Ups)   
  04/07/2015      80 FR 18528      Final Approval      Change to a Higher Classification (Bump-Ups)   
  02/09/2016      81 FR 6936      Proposed Approval      Attainment Date Extension   
  10/06/2016      81 FR 69448      Proposed Approval      Failure to Attain by Attainment Date   
  10/06/2016      81 FR 69396      Final Disapproval      Attainment Date Extension   
  11/23/2016      81 FR 84481      Final Approval      Failure to Attain by Attainment Date   
CONNECTICUT
NEW YORK-N. NEW JERSEY-LONG ISLAND, NY-NJ-CT
  08/01/2010      75 FR 45076      Proposed Approval      Clean Data Determination/Attainment Determination   
  11/15/2010      75 FR 69589      Final Approval      Clean Data Determination/Attainment Determination   
  07/19/2013      78 FR 43096      Proposed Approval      Redesignation to Maintenance   
  09/24/2013      78 FR 58467      Final Approval      Redesignation to Maintenance   
DELAWARE
PHILADELPHIA-WILMINGTON, PA-NJ-DE
  01/23/2012      77 FR 3223      Proposed Approval      Clean Data Determination/Attainment Determination   
  01/23/2012      77 FR 3147      Direct Final      Clean Data Determination/Attainment Determination   
  03/13/2012      77 FR 14697      Withdrawal      Clean Data Determination/Attainment Determination   
  05/16/2012      77 FR 28782      Final Approval      Clean Data Determination/Attainment Determination   
  04/11/2014      79 FR 20139      Proposed Approval      Redesignation to Maintenance   
  06/02/2014      79 FR 31566      Final Approval      Change from Subpart 1 to Subpart 4   
  08/05/2014      79 FR 45350      Final Approval      Redesignation to Maintenance   
DISTRICT OF COLUMBIA
WASHINGTON, DC-MD-VA
  10/22/2008      73 FR 62945      Proposed Approval      Clean Data Determination/Attainment Determination   
  01/12/2009      74 FR 1146      Final Approval      Clean Data Determination/Attainment Determination   
  11/04/2011      76 FR 68378      Proposed Approval      Clean Data Determination/Attainment Determination   
  01/10/2012      77 FR 1411      Final Approval      Clean Data Determination/Attainment Determination   
  06/02/2014      79 FR 31566      Final Approval      Change from Subpart 1 to Subpart 4   
  08/06/2014      79 FR 45735      Proposed Approval      Redesignation to Maintenance   
  10/06/2014      79 FR 60081      Final Approval      Redesignation to Maintenance   
GEORGIA
ATLANTA, GA
  09/14/2011      76 FR 56701      Proposed Approval      Clean Data Determination/Attainment Determination   
  12/08/2011      76 FR 76620      Final Approval      Clean Data Determination/Attainment Determination   
  06/02/2014      79 FR 31566      Final Approval      Change from Subpart 1 to Subpart 4   
  01/11/2016      81 FR 1144      Proposed Approval      Redesignation to Maintenance   
  02/24/2016      81 FR 9114      Final Approval      Redesignation to Maintenance   
CHATTANOOGA, TN-GA-AL
  03/22/2011      76 FR 15895      Proposed Approval      Clean Data Determination/Attainment Determination   
  05/31/2011      76 FR 31239      Final Approval      Clean Data Determination/Attainment Determination   
  06/02/2011      76 FR 31900      Proposed Approval      Clean Data Determination/Attainment Determination   
  09/08/2011      76 FR 55774      Final Approval      Clean Data Determination/Attainment Determination   
  05/05/2014      79 FR 25555      Proposed Approval      Technical Amendment   
  05/05/2014      79 FR 25508      Direct Final      Technical Amendment   
  06/02/2014      79 FR 31566      Final Approval      Change from Subpart 1 to Subpart 4   
  11/12/2014      79 FR 67120      Proposed Approval      Redesignation to Maintenance   
  12/19/2014      79 FR 75749      Final Approval      Redesignation to Maintenance   
MACON, GA
  03/22/2011      76 FR 15892      Proposed Approval      Clean Data Determination/Attainment Determination   
  06/02/2011      76 FR 31900      Proposed Approval      Clean Data Determination/Attainment Determination   
  06/02/2011      76 FR 31858      Final Approval      Clean Data Determination/Attainment Determination   
  09/08/2011      76 FR 55774      Final Approval      Clean Data Determination/Attainment Determination   
  02/05/2014      79 FR 6842      Proposed Approval      Redesignation to Maintenance   
  05/13/2014      79 FR 27193      Final Approval      Redesignation to Maintenance   
ROME, GA
  12/13/2010      75 FR 77595      Proposed Approval      Clean Data Determination/Attainment Determination   
  04/05/2011      76 FR 18650      Final Approval      Clean Data Determination/Attainment Determination   
  06/02/2011      76 FR 31898      Proposed Approval      Clean Data Determination/Attainment Determination   
  09/08/2011      76 FR 55776      Final Approval      Clean Data Determination/Attainment Determination   
  01/23/2014      79 FR 3757      Proposed Approval      Redesignation to Maintenance   
  05/14/2014      79 FR 27493      Final Approval      Redesignation to Maintenance   
  03/09/2015      80 FR 12341      Final Approval      Correction/Clarification   
ILLINOIS
CHICAGO-GARY-LAKE COUNTY, IL-IN
  09/24/2009      74 FR 48690      Proposed Approval      Clean Data Determination/Attainment Determination   
  11/27/2009      74 FR 62243      Final Approval      Clean Data Determination/Attainment Determination   
  08/07/2013      78 FR 48103      Proposed Approval      Redesignation to Maintenance   
  10/02/2013      78 FR 60704      Final Approval      Redesignation to Maintenance   
ST. LOUIS, MO-IL
  03/07/2011      76 FR 12302      Proposed Approval      Clean Data Determination/Attainment Determination   
  05/23/2011      76 FR 29652      Final Approval      Clean Data Determination/Attainment Determination   
  12/20/2011      76 FR 78869      Proposed Approval      Clean Data Determination/Attainment Determination   
  06/27/2012      77 FR 38183      Final Approval      Clean Data Determination/Attainment Determination   
  06/02/2014      79 FR 31566      Final Approval      Change from Subpart 1 to Subpart 4   
  03/21/2019      84 FR 10461      Proposed Approval      Redesignation to Maintenance   
  05/28/2019      84 FR 24395      Final Approval      Redesignation to Maintenance   
INDIANA
CHICAGO-GARY-LAKE COUNTY, IL-IN
  09/24/2009      74 FR 48690      Proposed Approval      Clean Data Determination/Attainment Determination   
  11/27/2009      74 FR 62243      Final Approval      Clean Data Determination/Attainment Determination   
  09/27/2011      76 FR 59600      Proposed Approval      Redesignation to Maintenance   
  12/07/2011      76 FR 76302      Final Approval      Redesignation to Maintenance   
  10/02/2013      78 FR 60704      Final Approval      Clean Data Determination/Attainment Determination   
CINCINNATI-HAMILTON, OH-KY-IN
  06/03/2011      76 FR 32110      Proposed Approval      Clean Data Determination/Attainment Determination   
  09/29/2011      76 FR 60373      Final Approval      Clean Data Determination/Attainment Determination   
  10/19/2011      76 FR 64880      Proposed Approval      Redesignation to Maintenance   
  10/19/2011      76 FR 64825      Direct Final      Redesignation to Maintenance   
  12/06/2011      76 FR 76048      Withdrawal      Redesignation to Maintenance   
  12/23/2011      76 FR 80253      Final Approval      Redesignation to Maintenance   
  07/14/2015      99 FR 0149      Court-Order      Redesignation to Maintenance Vacated   
  06/22/2017      82 FR 28435      Proposed Approval      Redesignation to Maintenance   
  09/01/2017      82 FR 41527      Final Approval      Redesignation to Maintenance   
EVANSVILLE, IN
  09/24/2009      74 FR 48690      Proposed Approval      Clean Data Determination/Attainment Determination   
  11/27/2009      74 FR 62243      Final Approval      Clean Data Determination/Attainment Determination   
  05/23/2011      76 FR 29695      Proposed Approval      Redesignation to Maintenance   
  09/27/2011      76 FR 59527      Final Approval      Redesignation to Maintenance   
INDIANAPOLIS, IN
  09/27/2011      76 FR 59599      Proposed Approval      Redesignation to Maintenance   
  09/27/2011      76 FR 59512      Direct Final      Redesignation to Maintenance   
  11/14/2011      76 FR 70361      Withdrawal      Redesignation to Maintenance   
  04/08/2013      78 FR 20856      Proposed Approval      Redesignation to Maintenance   
  07/11/2013      78 FR 41698      Final Approval      Redesignation to Maintenance   
LOUISVILLE, KY-IN
  09/14/2010      75 FR 55725      Proposed Approval      Clean Data Determination/Attainment Determination   
  03/09/2011      76 FR 12860      Final Approval      Clean Data Determination/Attainment Determination   
  06/15/2011      76 FR 34935      Proposed Approval      Clean Data Determination/Attainment Determination   
  09/07/2011      76 FR 55544      Final Approval      Clean Data Determination/Attainment Determination   
  07/11/2013      78 FR 41735      Proposed Approval      Redesignation to Maintenance   
  06/02/2014      79 FR 31566      Final Approval      Change from Subpart 1 to Subpart 4   
  06/23/2016      81 FR 40834      Proposed Approval      Supplement   
  09/09/2016      81 FR 62390      Final Approval      Redesignation to Maintenance   
KENTUCKY
CINCINNATI-HAMILTON, OH-KY-IN
  06/03/2011      76 FR 32110      Proposed Approval      Clean Data Determination/Attainment Determination   
  09/29/2011      76 FR 60373      Final Approval      Clean Data Determination/Attainment Determination   
  10/21/2011      76 FR 65458      Proposed Approval      Redesignation to Maintenance   
  12/15/2011      76 FR 77903      Final Approval      Redesignation to Maintenance   
HUNTINGTON-ASHLAND, WV-KY-OH
  05/11/2011      76 FR 27290      Proposed Approval      Clean Data Determination/Attainment Determination   
  09/07/2011      76 FR 55542      Final Approval      Clean Data Determination/Attainment Determination   
  11/19/2012      77 FR 69409      Proposed Approval      Redesignation to Maintenance   
  12/26/2012      77 FR 75865      Final Approval      Redesignation to Maintenance   
LOUISVILLE, KY-IN
  09/14/2010      75 FR 55725      Proposed Approval      Clean Data Determination/Attainment Determination   
  03/09/2011      76 FR 12860      Final Approval      Clean Data Determination/Attainment Determination   
  06/15/2011      76 FR 34935      Proposed Approval      Clean Data Determination/Attainment Determination   
  09/07/2011      76 FR 55544      Final Approval      Clean Data Determination/Attainment Determination   
  06/02/2014      79 FR 31566      Final Approval      Change from Subpart 1 to Subpart 4   
  01/11/2017      82 FR 3234      Proposed Approval      Redesignation to Maintenance   
  04/07/2017      82 FR 16943      Final Approval      Redesignation to Maintenance   
MARYLAND
BALTIMORE, MD
  07/31/2009      74 FR 38161      Proposed Approval      Clean Data Determination/Attainment Determination   
  09/29/2009      74 FR 49834      Proposed Approval      Extension of Comment Period   
  11/23/2011      76 FR 72374      Proposed Approval      Clean Data Determination/Attainment Determination   
  11/23/2011      76 FR 72374      Withdrawal      Clean Data Determination/Attainment Determination   
  05/22/2012      77 FR 30208      Final Approval      Clean Data Determination/Attainment Determination   
  06/02/2014      79 FR 31566      Final Approval      Change from Subpart 1 to Subpart 4   
  10/03/2014      79 FR 59703      Proposed Approval      Redesignation to Maintenance   
  12/16/2014      79 FR 75031      Final Approval      Redesignation to Maintenance   
MARTINSBURG, WV-HAGERSTOWN, MD
  07/31/2009      74 FR 38161      Proposed Approval      Clean Data Determination/Attainment Determination   
  09/29/2009      74 FR 49834      Proposed Approval      Extension of Comment Period   
  11/20/2009      74 FR 60199      Final Approval      Clean Data Determination/Attainment Determination   
  11/04/2011      76 FR 68378      Proposed Approval      Clean Data Determination/Attainment Determination   
  01/10/2012      77 FR 1411      Final Approval      Clean Data Determination/Attainment Determination   
  06/02/2014      79 FR 31566      Final Approval      Change from Subpart 1 to Subpart 4   
  08/21/2014      79 FR 49474      Proposed Approval      Redesignation to Maintenance   
  12/16/2014      79 FR 75035      Final Approval      Redesignation to Maintenance   
WASHINGTON, DC-MD-VA
  10/22/2008      73 FR 62945      Proposed Approval      Clean Data Determination/Attainment Determination   
  01/12/2009      74 FR 1146      Final Approval      Clean Data Determination/Attainment Determination   
  11/04/2011      76 FR 68378      Proposed Approval      Clean Data Determination/Attainment Determination   
  01/10/2012      77 FR 1411      Final Approval      Clean Data Determination/Attainment Determination   
  06/02/2014      79 FR 31566      Final Approval      Change from Subpart 1 to Subpart 4   
  08/06/2014      79 FR 45735      Proposed Approval      Redesignation to Maintenance   
  10/06/2014      79 FR 60081      Final Approval      Redesignation to Maintenance   
MICHIGAN
DETROIT-ANN ARBOR, MI
  07/05/2012      77 FR 39659      Proposed Approval      Clean Data Determination/Attainment Determination   
  11/06/2012      77 FR 66545      Final Approval      Clean Data Determination/Attainment Determination   
  07/02/2013      78 FR 39654      Proposed Approval      Redesignation to Maintenance   
  08/29/2013      78 FR 53272      Final Approval      Redesignation to Maintenance   
MISSOURI
ST. LOUIS, MO-IL
  03/07/2011      76 FR 12302      Proposed Approval      Clean Data Determination/Attainment Determination   
  05/23/2011      76 FR 29652      Final Approval      Clean Data Determination/Attainment Determination   
  12/20/2011      76 FR 78869      Proposed Approval      Clean Data Determination/Attainment Determination   
  06/27/2012      77 FR 38183      Final Approval      Clean Data Determination/Attainment Determination   
  06/02/2014      79 FR 31566      Final Approval      Change from Subpart 1 to Subpart 4   
  01/05/2018      83 FR 636      Advanced Notice of Proposed Rulemaking      Redesignation to Maintenance   
  08/03/2018      83 FR 38114      Proposed Approval      Redesignation to Maintenance   
  08/03/2018      83 FR 38033      Direct Final      Redesignation to Maintenance   
MONTANA
LIBBY, MT
  11/21/2013      78 FR 69806      Proposed Approval      Change from Subpart 1 to Subpart 4   
  06/02/2014      79 FR 31566      Final Approval      Change from Subpart 1 to Subpart 4   
  04/14/2015      80 FR 19935      Proposed Approval      Clean Data Determination/Attainment Determination   
  07/14/2015      80 FR 40911      Final Approval      Clean Data Determination/Attainment Determination   
NEW JERSEY
NEW YORK-N. NEW JERSEY-LONG ISLAND, NY-NJ-CT
  08/01/2010      75 FR 45076      Proposed Approval      Clean Data Determination/Attainment Determination   
  11/15/2010      75 FR 69589      Final Approval      Clean Data Determination/Attainment Determination   
  06/27/2013      78 FR 38648      Proposed Approval      Redesignation to Maintenance   
  09/04/2013      78 FR 54396      Final Approval      Redesignation to Maintenance   
PHILADELPHIA-WILMINGTON, PA-NJ-DE
  01/23/2012      77 FR 3223      Proposed Approval      Clean Data Determination/Attainment Determination   
  01/23/2012      77 FR 3147      Direct Final      Clean Data Determination/Attainment Determination   
  03/13/2012      77 FR 14697      Withdrawal      Clean Data Determination/Attainment Determination   
  05/16/2012      77 FR 28782      Final Approval      Clean Data Determination/Attainment Determination   
  06/27/2013      78 FR 38648      Proposed Approval      Redesignation to Maintenance   
  09/04/2013      78 FR 54396      Final Approval      Redesignation to Maintenance   
NEW YORK
NEW YORK-N. NEW JERSEY-LONG ISLAND, NY-NJ-CT
  08/01/2010      75 FR 45076      Proposed Approval      Clean Data Determination/Attainment Determination   
  11/15/2010      75 FR 69589      Final Approval      Clean Data Determination/Attainment Determination   
  02/11/2014      79 FR 8133      Proposed Approval      Redesignation to Maintenance   
  04/18/2014      79 FR 21857      Final Approval      Redesignation to Maintenance   
NORTH CAROLINA
GREENSBORO-WINSTON SALEM-HIGH POINT, NC
  10/06/2009      74 FR 51249      Proposed Approval      Clean Data Determination/Attainment Determination   
  01/04/2010      75 FR 54      Final Approval      Clean Data Determination/Attainment Determination   
  12/06/2010      75 FR 75625      Final Approval      Correction/Clarification   
  09/26/2011      76 FR 59345      Proposed Approval      Redesignation to Maintenance   
  11/18/2011      76 FR 71455      Final Approval      Redesignation to Maintenance   
HICKORY-MORGANTON-LENOIR, NC
  10/06/2009      74 FR 51246      Proposed Approval      Clean Data Determination/Attainment Determination   
  01/05/2010      75 FR 230      Final Approval      Clean Data Determination/Attainment Determination   
  12/06/2010      75 FR 75626      Final Approval      Correction/Clarification   
  09/20/2011      76 FR 58210      Proposed Approval      Redesignation to Maintenance   
  11/18/2011      76 FR 71452      Final Approval      Redesignation to Maintenance   
OHIO
CANTON-MASSILLON, OH
  08/07/2013      78 FR 48087      Proposed Approval      Redesignation to Maintenance   
  10/22/2013      78 FR 62459      Final Approval      Redesignation to Maintenance   
CINCINNATI-HAMILTON, OH-KY-IN
  06/03/2011      76 FR 32110      Proposed Approval      Clean Data Determination/Attainment Determination   
  09/29/2011      76 FR 60373      Final Approval      Clean Data Determination/Attainment Determination   
  10/19/2011      76 FR 64880      Proposed Approval      Redesignation to Maintenance   
  10/19/2011      76 FR 64825      Direct Final      Redesignation to Maintenance   
  12/06/2011      76 FR 76048      Withdrawal      Redesignation to Maintenance   
  12/23/2011      76 FR 80253      Final Approval      Redesignation to Maintenance   
  07/14/2015      99 FR 0149      Court-Order      Redesignation to Maintenance Vacated   
  01/04/2017      82 FR 792      Proposed Approval      Redesignation to Maintenance   
  04/07/2017      82 FR 16938      Final Approval      Redesignation to Maintenance   
CLEVELAND-AKRON-LORAIN, OH
  05/17/2011      76 FR 28393      Proposed Approval      Clean Data Determination/Attainment Determination   
  09/14/2011      76 FR 56641      Final Approval      Clean Data Determination/Attainment Determination   
  07/26/2013      78 FR 45116      Proposed Approval      Redesignation to Maintenance   
  09/18/2013      78 FR 57270      Final Approval      Redesignation to Maintenance   
COLUMBUS, OH
  05/17/2011      76 FR 28393      Proposed Approval      Clean Data Determination/Attainment Determination   
  09/14/2011      76 FR 56641      Final Approval      Clean Data Determination/Attainment Determination   
  08/26/2013      78 FR 52733      Proposed Approval      Redesignation to Maintenance   
  11/07/2013      78 FR 66845      Final Approval      Redesignation to Maintenance   
DAYTON-SPRINGFIELD, OH
  05/17/2011      76 FR 28393      Proposed Approval      Clean Data Determination/Attainment Determination   
  09/14/2011      76 FR 56641      Final Approval      Clean Data Determination/Attainment Determination   
  07/26/2013      78 FR 45135      Proposed Approval      Redesignation to Maintenance   
  09/26/2013      78 FR 59258      Final Approval      Redesignation to Maintenance   
HUNTINGTON-ASHLAND, WV-KY-OH
  05/11/2011      76 FR 27290      Proposed Approval      Clean Data Determination/Attainment Determination   
  09/07/2011      76 FR 55542      Final Approval      Clean Data Determination/Attainment Determination   
  12/22/2011      76 FR 79593      Proposed Approval      Redesignation to Maintenance   
  12/31/2012      77 FR 76883      Final Approval      Redesignation to Maintenance   
PARKERSBURG-MARIETTA, WV-OH
  11/20/2009      74 FR 60199      Final Approval      Clean Data Determination/Attainment Determination   
  07/21/2011      76 FR 43634      Proposed Approval      Clean Data Determination/Attainment Determination   
  12/02/2011      76 FR 75464      Final Approval      Clean Data Determination/Attainment Determination   
  11/30/2012      77 FR 71383      Proposed Approval      Redesignation to Maintenance   
  06/26/2013      78 FR 38256      Proposed Approval      Supplement   
  08/29/2013      78 FR 53275      Final Approval      Redesignation to Maintenance   
STEUBENVILLE-WEIRTON, OH-WV
  05/17/2011      76 FR 28393      Proposed Approval      Clean Data Determination/Attainment Determination   
  09/14/2011      76 FR 56641      Final Approval      Clean Data Determination/Attainment Determination   
  07/11/2013      78 FR 41752      Proposed Approval      Redesignation to Maintenance   
  09/18/2013      78 FR 57273      Final Approval      Redesignation to Maintenance   
WHEELING, WV-OH
  11/20/2009      74 FR 60199      Final Approval      Clean Data Determination/Attainment Determination   
  07/21/2011      76 FR 43634      Proposed Approval      Clean Data Determination/Attainment Determination   
  12/02/2011      76 FR 75464      Final Approval      Clean Data Determination/Attainment Determination   
  11/30/2012      77 FR 71371      Proposed Approval      Redesignation to Maintenance   
  08/29/2013      78 FR 53275      Final Approval      Redesignation to Maintenance   
PENNSYLVANIA
HARRISBURG-LEBANON-CARLISLE, PA
  06/13/2008      73 FR 33754      Proposed Approval      Clean Data Determination/Attainment Determination   
  08/25/2008      73 FR 49949      Final Approval      Clean Data Determination/Attainment Determination   
  07/29/2011      76 FR 45482      Proposed Approval      Clean Data Determination/Attainment Determination   
  07/29/2011      76 FR 45424      Direct Final      Clean Data Determination/Attainment Determination   
  06/02/2014      79 FR 31566      Final Approval      Change from Subpart 1 to Subpart 4   
  10/17/2014      79 FR 62389      Proposed Approval      Redesignation to Maintenance   
  12/08/2014      79 FR 72552      Final Approval      Redesignation to Maintenance   
  02/11/2015      80 FR 7540      Final Approval      Correction/Clarification   
  04/28/2015      80 FR 23449      Final Approval      Correction/Clarification   
JOHNSTOWN, PA
  07/31/2009      74 FR 38158      Proposed Approval      Clean Data Determination/Attainment Determination   
  09/25/2009      74 FR 48863      Final Approval      Clean Data Determination/Attainment Determination   
  07/29/2011      76 FR 45482      Proposed Approval      Clean Data Determination/Attainment Determination   
  07/29/2011      76 FR 45424      Direct Final      Clean Data Determination/Attainment Determination   
  06/02/2014      79 FR 31566      Final Approval      Change from Subpart 1 to Subpart 4   
  04/23/2015      80 FR 22672      Proposed Approval      Redesignation to Maintenance   
  07/16/2015      80 FR 42046      Final Approval      Redesignation to Maintenance   
LANCASTER, PA
  07/31/2009      74 FR 38158      Proposed Approval      Clean Data Determination/Attainment Determination   
  09/25/2009      74 FR 48863      Final Approval      Clean Data Determination/Attainment Determination   
  07/29/2011      76 FR 45482      Proposed Approval      Clean Data Determination/Attainment Determination   
  07/29/2011      76 FR 45424      Direct Final      Clean Data Determination/Attainment Determination   
  06/02/2014      79 FR 31566      Final Approval      Change from Subpart 1 to Subpart 4   
  05/01/2015      80 FR 24874      Proposed Approval      Redesignation to Maintenance   
  07/16/2015      80 FR 42050      Final Approval      Redesignation to Maintenance   
LIBERTY-CLAIRTON, PA
  07/23/2013      78 FR 44070      Proposed Approval      Clean Data Determination/Attainment Determination   
  10/25/2013      78 FR 63881      Final Approval      Clean Data Determination/Attainment Determination   
  06/02/2014      79 FR 31566      Final Approval      Change from Subpart 1 to Subpart 4   
PHILADELPHIA-WILMINGTON, PA-NJ-DE
  01/23/2012      77 FR 3223      Proposed Approval      Clean Data Determination/Attainment Determination   
  01/23/2012      77 FR 3147      Direct Final      Clean Data Determination/Attainment Determination   
  03/13/2012      77 FR 14697      Withdrawal      Clean Data Determination/Attainment Determination   
  05/16/2012      77 FR 28782      Final Approval      Clean Data Determination/Attainment Determination   
  06/02/2014      79 FR 31566      Final Approval      Change from Subpart 1 to Subpart 4   
  02/17/2015      80 FR 8254      Proposed Approval      Redesignation to Maintenance   
  04/21/2015      80 FR 22112      Final Approval      Redesignation to Maintenance   
PITTSBURGH-BEAVER VALLEY, PA
  06/11/2012      77 FR 34297      Proposed Approval      Clean Data Determination/Attainment Determination   
  10/12/2012      77 FR 62147      Final Approval      Clean Data Determination/Attainment Determination   
  06/02/2014      79 FR 31566      Final Approval      Change from Subpart 1 to Subpart 4   
  05/20/2015      80 FR 28906      Proposed Approval      Redesignation to Maintenance   
  10/02/2015      80 FR 59624      Final Approval      Redesignation to Maintenance   
READING, PA
  07/31/2009      74 FR 38158      Proposed Approval      Clean Data Determination/Attainment Determination   
  09/25/2009      74 FR 48863      Final Approval      Clean Data Determination/Attainment Determination   
  07/29/2011      76 FR 45482      Proposed Approval      Clean Data Determination/Attainment Determination   
  07/29/2011      76 FR 45424      Direct Final      Clean Data Determination/Attainment Determination   
  06/02/2014      79 FR 31566      Final Approval      Change from Subpart 1 to Subpart 4   
  12/22/2014      79 FR 76251      Proposed Approval      Redesignation to Maintenance   
  03/04/2015      80 FR 11580      Final Approval      Redesignation to Maintenance   
YORK, PA
  07/31/2009      74 FR 38158      Proposed Approval      Clean Data Determination/Attainment Determination   
  09/25/2009      74 FR 48863      Final Approval      Clean Data Determination/Attainment Determination   
  07/29/2011      76 FR 45482      Proposed Approval      Clean Data Determination/Attainment Determination   
  07/29/2011      76 FR 45424      Direct Final      Clean Data Determination/Attainment Determination   
  06/02/2014      79 FR 31566      Final Approval      Change from Subpart 1 to Subpart 4   
  10/17/2014      79 FR 62389      Proposed Approval      Redesignation to Maintenance   
  12/08/2014      79 FR 72552      Final Approval      Redesignation to Maintenance   
TENNESSEE
CHATTANOOGA, TN-GA-AL
  03/22/2011      76 FR 15895      Proposed Approval      Clean Data Determination/Attainment Determination   
  05/31/2011      76 FR 31239      Final Approval      Clean Data Determination/Attainment Determination   
  06/02/2011      76 FR 31900      Proposed Approval      Clean Data Determination/Attainment Determination   
  09/08/2011      76 FR 55774      Final Approval      Clean Data Determination/Attainment Determination   
  05/05/2014      79 FR 25555      Proposed Approval      Technical Amendment   
  05/05/2014      79 FR 25508      Direct Final      Technical Amendment   
  06/02/2014      79 FR 31566      Final Approval      Change from Subpart 1 to Subpart 4   
  03/27/2015      80 FR 16331      Proposed Approval      Redesignation to Maintenance   
  11/04/2015      80 FR 68253      Final Approval      Redesignation to Maintenance   
KNOXVILLE, TN
  06/06/2012      77 FR 33360      Proposed Approval      Clean Data Determination/Attainment Determination   
  08/02/2012      77 FR 45954      Final Approval      Clean Data Determination/Attainment Determination   
  06/02/2014      79 FR 31566      Final Approval      Change from Subpart 1 to Subpart 4   
  05/30/2017      82 FR 24636      Proposed Approval      Redesignation to Maintenance   
  08/29/2017      82 FR 40953      Final Approval      Redesignation to Maintenance   
VIRGINIA
WASHINGTON, DC-MD-VA
  10/22/2008      73 FR 62945      Proposed Approval      Clean Data Determination/Attainment Determination   
  01/12/2009      74 FR 1146      Final Approval      Clean Data Determination/Attainment Determination   
  11/04/2011      76 FR 68378      Proposed Approval      Clean Data Determination/Attainment Determination   
  01/10/2012      77 FR 1411      Final Approval      Clean Data Determination/Attainment Determination   
  06/02/2014      79 FR 31566      Final Approval      Change from Subpart 1 to Subpart 4   
  08/06/2014      79 FR 45735      Proposed Approval      Redesignation to Maintenance   
  10/06/2014      79 FR 60081      Final Approval      Redesignation to Maintenance   
WEST VIRGINIA
CHARLESTON, WV
  07/15/2011      76 FR 41739      Proposed Approval      Clean Data Determination/Attainment Determination   
  10/11/2011      76 FR 62640      Final Approval      Clean Data Determination/Attainment Determination   
  01/24/2014      79 FR 4121      Proposed Approval      Redesignation to Maintenance   
  03/31/2014      79 FR 17884      Final Approval      Redesignation to Maintenance   
HUNTINGTON-ASHLAND, WV-KY-OH
  05/11/2011      76 FR 27290      Proposed Approval      Clean Data Determination/Attainment Determination   
  09/07/2011      76 FR 55542      Final Approval      Clean Data Determination/Attainment Determination   
  11/15/2012      77 FR 68076      Proposed Approval      Redesignation to Maintenance   
  12/28/2012      77 FR 76415      Final Approval      Redesignation to Maintenance   
MARTINSBURG, WV-HAGERSTOWN, MD
  07/31/2009      74 FR 38154      Proposed Approval      Clean Data Determination/Attainment Determination   
  08/27/2009      74 FR 43653      Proposed Approval      Correction/Clarification   
  09/29/2009      74 FR 49833      Proposed Approval      Extension of Comment Period   
  11/20/2009      74 FR 60199      Final Approval      Clean Data Determination/Attainment Determination   
  11/04/2011      76 FR 68378      Proposed Approval      Clean Data Determination/Attainment Determination   
  01/10/2012      77 FR 1411      Final Approval      Clean Data Determination/Attainment Determination   
  05/05/2014      79 FR 25540      Proposed Approval      Redesignation to Maintenance   
  11/25/2014      79 FR 70099      Final Approval      Redesignation to Maintenance   
  02/13/2015      80 FR 7970      Final Approval      Correction/Clarification   
PARKERSBURG-MARIETTA, WV-OH
  07/31/2009      74 FR 38154      Proposed Approval      Clean Data Determination/Attainment Determination   
  08/27/2009      74 FR 43653      Proposed Approval      Correction/Clarification   
  09/29/2009      74 FR 49833      Proposed Approval      Extension of Comment Period   
  11/20/2009      74 FR 60199      Final Approval      Clean Data Determination/Attainment Determination   
  07/21/2011      76 FR 43634      Proposed Approval      Clean Data Determination/Attainment Determination   
  12/02/2011      76 FR 75464      Final Approval      Clean Data Determination/Attainment Determination   
  12/11/2012      77 FR 73560      Proposed Approval      Redesignation to Maintenance   
  07/08/2013      78 FR 40655      Proposed Approval      Supplement   
  09/12/2013      78 FR 56168      Final Approval      Redesignation to Maintenance   
STEUBENVILLE-WEIRTON, OH-WV
  05/17/2011      76 FR 28393      Proposed Approval      Clean Data Determination/Attainment Determination   
  09/14/2011      76 FR 56641      Final Approval      Clean Data Determination/Attainment Determination   
  12/09/2013      78 FR 73769      Proposed Approval      Redesignation to Maintenance   
  03/18/2014      79 FR 15019      Final Approval      Redesignation to Maintenance   
WHEELING, WV-OH
  07/31/2009      74 FR 38154      Proposed Approval      Clean Data Determination/Attainment Determination   
  08/27/2009      74 FR 43653      Proposed Approval      Correction/Clarification   
  09/29/2009      74 FR 49833      Proposed Approval      Extension of Comment Period   
  11/20/2009      74 FR 60199      Final Approval      Clean Data Determination/Attainment Determination   
  07/21/2011      76 FR 43634      Proposed Approval      Clean Data Determination/Attainment Determination   
  12/02/2011      76 FR 75464      Final Approval      Clean Data Determination/Attainment Determination   
  12/11/2012      77 FR 73575      Proposed Approval      Redesignation to Maintenance   
  07/24/2013      78 FR 44487      Proposed Approval      Supplement   
  09/30/2013      78 FR 59841      Final Approval      Redesignation to Maintenance