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Conformity Adequacy Review: Region 4

State Implementation Plans (SIP) Submissions that EPA has Found Adequate or Inadequate
Region 4:   Alabama, Florida, Georgia, Kentucky, Mississippi, North Carolina, South Carolina, and Tennessee

For more information about adequacy review, return to the main adequacy page.

Contact:  Dianna Myers at 404-562-9207, fax: 404-562-9019 or myers.dianna@epa.gov.
U.S. EPA Region 4, Air, Pesticides, and Toxics Management Division, 61 Forsyth St. S.W., Atlanta, GA 30303.

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Alabama
Area Pollutant SIP Submission Finding (date budgets apply) Additional Information/ Comments
Birmingham pm2.5 maintenance plan Adequate (2/25/2013)
FR Notice 
2006 24-hour pm2.5 budgets found adequate through the SIP approval process.
maintenance plan Adequate (2/21/2013)
FR Notice
1997 annual pm2.5 budgets found adequate through the SIP approval process.
reasonable further progress and attainment demonstration Withdrawn (3/01/2013)  
8-hour ozone maintenance plan Adequate (03/10/06)
Letter and
FR Notice (PDF) (1 pp, 142 K, published February 23, 2006, About PDF)
Budgets found adequate through the adequacy review process.
Alabama Portion (Jackson County) of Chattanooga Area, AL-GA-TN pm2.5 maintenance plan Adequate (12/22/2014)
FR Notice
Regional insignificance finding for PM2.5 and NOx made through the SIP approval process.
attainment plan Adequate (7/6/2010)
Letter and 
FR Notice
Regional insignifcance finding for PM2.5 and NOx made through the adequacy review process.
Georgia
Area Pollutant SIP Submission Finding (date budgets apply) Additional Information/ Comments
Atlanta 1997 pm2.5 maintenance plan

Adequate (2/24/16)
81 FR 9114 (printed 2/24/16)

Budgets found adequate through the SP approval process
2008 8-hour ozone maintenance plan

Adequate (10/13/15)
80 FR 48036 (printed 8/11/15)

Budgets found adequate through the SIP approval process
1997 8-hour ozone maintenance plan Adequate (12/2/2013)
FR Notice
Budgets found adequate through the SIP approval process.
attainment plan Withdrawn  
reasonable further progress Adequate (11/4/2013)
FR Notice
Budgets found adequate through the SIP approval process.
early progress SIP Adequate (4/24/2007)
FR Notice
Budgets found adequate through the adequacy review process.
Chattanoooga GA-AL-TN 1997 pm2.5 maintenance plan Adequate (12/19/2014)
FR Notice
Budgets found adequate through SIP approval process.
Macon 1997 pm2.5 maintenance plan Adequate (5/13/2014)
FR Notice
Budgets found adequate through SIP approval process.
8-hour ozone maintenance plan Adequate (9/19/2007)
FR Notice
Budgets found adequate through SIP approval process.
Murray County 8-hour ozone maintenance plan Adequate (10/16/2007)
FR Notice
Budgets found adequate through SIP approval process.
Rome 1997 pm2.5 maintenance plan Adequate (5/14/2014)
FR Notice
Budgets found adequate through SIP approval process.
Kentucky
Area Pollutant SIP Submission Finding (date budgets apply) Additional Information/ Comments
Boyd County 8-hour ozone maintenance plan Adequate (8/3/2007)
FR Notice
Budgets found adequate through SIP approval process.
Christian County (Clarksville-Hopkins Area) 8-hour ozone maintenance plan Adequate (1/25/2006)
FR Notice (PDF) (4 pp, 154 K, published January 25, 2006, About PDF)
Budgets found adequate through SIP approval process.
Cincinnati - Hamilton (IN - KY - OH) pm2.5 maintenance plan Adequate (12/15/2011)
FR Notice
Budgets found adequate through SIP approval process.
attainment plan Withdrawn (9/30/2011)
Letter
 
2008 
8-hour ozone
Maintenance plan

Adequate (7/5/2017)
FR Notice (PDF) (4 pp, 263 K, published July 5, 2017)

Budgets found adequate through the SIP approval process.
1997 8-hour ozone maintenance plan Adequate (8/5/2013)
FR Notice
Budgets found adequate through SIP approval process.
maintenance plan Adequate (8/5/2010)
FR Notice
Budgets found adequate through SIP approval process.
8-hour ozone attainment demonstration Adequate (5/13/2008)
Letter and
FR Notice
Budgets found adequate through the adequacy review process.
Huntington-Ashland pm2.5 maintenance plan Adequate (12/26/2012)
FR Notice
Regional insignificance finding for PM2.5 and NOx made through the SIP approval process.
attainment plan Adequate (7/6/2010)
Letter and
FR Notice
Budgets found adequate through the adequacy review process.
Bi-state Louisville 1997 pm2.5 maintenance plan

Adequate (4/7/17)
81 FR 16943 (printed 4/7/17)

Budgets found adequate through the SIP approval process.
attainment plan Withdrawn (9/30/2011)
Letter
8-hour ozone maintenance plan Adequate (7/5/2007)
Letter and
FR Notice
Budgets found adequate through the SIP approval process.
Mississippi
Area Pollutant SIP Submission Finding (date budgets apply) Additional Information/ Comments
Desoto County 2008 8-hour ozone maintenance plan Adequate (4/8/2016)
81 FR 20543 printed 4/8/16
Budgets found adequate through the SIP approval process.
North Carolina
Area Pollutant SIP Submission Finding (date budgets apply) Additional Information/ Comments
Charlotte 2008 8-hour ozone maintenance plan Adequate (7/28/2015)
FR Notice
Budgets found adequate through the SIP approval process.
1997 8-hour ozone maintenance plan Adequate (8/28/2013)
FR Notice
Budgets found adequate through the adequacy review process.
reasonable further progress plan Adequate (3/08/2010)
Letter and 
FR Notice
Budgets found adequate through the adequacy review process.
Withdrawn RFP plan (insignifcance) replaced with VOC budgets. New adequacy review started on 12/03/09
attainment plan Withdrawn (2/10/2012)
Letter
 
Withdrawn (12/19/2008)
Letter
 
carbon monoxide maintenance plan Adequate (5/23/2005) Letter and
FR Notice
Budgets found adequate through the adequacy review process.
Great Smoky Mountain National Park 8-hour ozone maintenance plan Adequate (12/7/2009)
FR Notice (PDF) (5 pp, 151 K, published December 7, 2009, About PDF)
Budgets found adequate through the SIP approval process.
Greensboro - Winston - Salem - Highpoint pm2.5 maintenance plan Adequate (5/17/2011)
Letter and
FR Notice (PDF)(2 pp, 148 K, published May 2, 2011, About PDF)
Budgets found adequate through the the adequacy review process.
attainment plan Withdrawn
Letter
Replaced by the maintenance plan.
Hickory pm2.5 maintenance plan Adequate (5/17/2011)
Letter and
FR Notice (PDF)(2 pp, 152 K, published May, 2011, About PDF)
Regional insignifcance finding for PM2.5 and NOx made through the adequacy review process.
attainment plan Adequate (3/16/2010)
Letter and 
FR Notice
FR Notice
Regional insignifcance finding for PM2.5 and NOx made through the adequacy review process.
Raleigh - Durham and Chapel Hill 8-hour ozone maintenance plan Adequate (12/26/2007)
FR Notice
Budgets found adequate through the SIP approval process.
Rocky Mount 8-hour ozone maintenance plans Adequate (11/26/2012)
FR Notice
Budgets found adequate through SIP approval process.
Adequate (1/5/2007)
FR Notice
Budgets found adequate through SIP approval process.
South Carolina
Area Pollutant SIP Submission Finding (date budgets apply) Additional Information/ Comments
Charlotte
(York County)
2008 8-hour ozone maintenance plan Adequate (12/11/2015)
FR Notice (PDF)(4 pp, 241 K, published December 11, 2015, About PDF)
Budgets found adequate through the SIP approval process.
1997 8-hour ozone maintenance plan Adequate (10/9/2012)
FR Notice
Budgets found adequate through the adequacy review process.
reasonable further progress plan Adequate (6/21/2012)
Letter and 
FR Notice
Response to Comments
Budgets found adequate through the adequacy review process.
Revised In December 2009 EPA requested additional information regarding the reasonable further progress plan. The revised budgets were provided in the May 5, 2010 SIP submission and posted for adequacy review on May 13, 2010.
attainment plan Withdrawn (1/12/2012)
Letter 
 
Withdrawn (12/19/2008)
Letter 
 
Tennessee
Area Pollutant SIP Submission Finding (date budgets apply) Additional Information/ Comments
Chattanooga Area 1997 pm2.5 maintenance plan Adequate (11/4/2015)
FR Notice
Budgets found adequate through the SIP approval process.
Knoxville

2006 pm2.5
maintenance plan Adequate (3/27/2017)
Letter and
FR Notice
Budgets found adequate through the adequacy review process
1997 pm2.5 maintenance plan Adequate (3/27/2017)
Letter and
FR Notice
Budgets found adequate through the adequacy review process.
attainment plan Adequate (4/22/2010)
Letter and
FR Notice
2008 8-hour ozone maintenance plan Adequate (7/13/2015)
FR Notice
Budgets found adequate through the SIP approval process.
1997 8-hour ozone maintenance plan Adequate (9/30/2010)
Letter and
FR Notice
Budgets found adequate through the adequacy review process.
Withdrawn (2/10/2009)
Letter 
Posted for adequacy on 03/06/07.
Memphis/Shelby County 2008 8-hour ozone maintenance plan

Adequate (6/23/16)
81 FR 40816 (printed 6/23/16)

Budgets found adequate through the SIP approval process
1997 8-hour ozone maintenance plans Adequate (11/27/2009)
FR Notice
Budgets found adequate through the adequacy review process.
carbon monoxide maintenance plans Adequate (10/25/2006)
FR Notice
Budgets found adequate through SIP approval process.
Montgomery County 8-hour ozone maintenance plan Adequate (11/21/2005)
FR Notice (PDF)(10 pp, 184 K, published September 22, 2005, About PDF)
Budgets found adequate through the SIP approval process.

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