1. Regulations
  2. title 40
  3. chapter I-i19
  4. part 81
  5. subpart C
  6. § 81.343

View all text of Subpart C [§ 81.300 - § 81.356]

§ 81.343 - Tennessee.

Tennessee—TSP

Designated area Does not meet primary standards Does not meet secondary standards Cannot be classified Better than national standards Anderson CountyX Bedford CountyX Benton CountyX Bledsoe CountyX Blount CountyX Bradley CountyX Campbell CountyX Rest of Campbell CountyX Cannon CountyX Carroll CountyX Carter CountyX Cheatham CountyX Chester CountyX Claiborne CountyX Clay CountyX Cocke CountyX Coffee CountyX Crockett CountyX Cumberland CountyX Those portions of Davidson County within a section of downtown Nashville and in West NashvilleX Rest of Davidson CountyX Decatur CountyX DeKalb CountyX Dickson CountyX Dyer CountyX Fayette CountyX Fentress CountyX Franklin CountyX Gibson CountyX Giles CountyX Grainger CountyX Greene CountyX Grundy CountyX Hamblen CountyX That portion of Hamilton County within approximately the city limits of ChattanoogaX Rest of Hamilton CountyX Hancock CountyX Hardeman CountyX Hardin CountyX Hawkins CountyX Haywood CountyX Henderson CountyX Henry CountyX Hickman CountyX Houston CountyX Humphreys CountyX Jackson CountyX Jefferson CountyX Johnson CountyX That portion of Knox County within a section of downtown KnoxvilleX Rest of Knox CountyX Lake CountyX Lauderdale CountyX Lawrence CountyX Lewis CountyX Lincoln CountyX Loudon CountyX McMinn CountyX McNairy CountyX Macon CountyX Madison CountyX Marion CountyX Marshall CountyX That portion of Maury County within the northern section of ColumbiaX Rest of Maury CountyX Meigs CountyX Monroe CountyX Montgomery CountyX Moore CountyX Morgan CountyX Obion CountyX Overton CountyX Perry CountyX Pickett CountyX Polk CountyX Putnam CountyX Rhea CountyX Roane CountyX Robertson CountyX Rutherford CountyX Scott CountyX Sequatchie CountyX Sevier CountyX Shelby CountyX Smith CountyX Stewart CountyX Sullivan CountyX Sumner CountyX Tipton CountyX Trousdale CountyX Unicoi CountyX Union CountyX Van Buren CountyX Warren CountyX Washington CountyX Wayne CountyX Weakley CountyX White CountyX Wilson CountyX Williamson CountyX

Tennessee—1971 Sulfur Dioxide NAAQS

[Primary and Secondary]

Designated area Does not meet primary standards Does not meet secondary standards Cannot be classified Better than national standards Anderson CountyX Bedford CountyX That portion of Benton County surrounding TVA's Johnsonville plantX Rest of Benton CountyX Bledsoe CountyX Blount CountyX Bradley CountyX Campbell CountyX Cannon CountyX Carroll CountyX Carter CountyX Cheatham CountyX Chester CountyX Claiborne CountyX Clay CountyX Cocke CountyX Coffee CountyX Crockett CountyX Cumberland CountyX Davidson CountyX Decatur CountyX DeKalb CountyX Dickson CountyX Dyer CountyX Fayette CountyX Fentress CountyX Franklin CountyX Gibson CountyX Giles CountyX Grainger CountyX Greene CountyX Grundy CountyX Hamblen CountyX Hamilton CountyX Hancock CountyX Hardeman CountyX Hardin CountyX Hawkins CountyX Haywood CountyX Henderson CountyX Henry CountyX Hickman CountyX Houston CountyX That portion of Humphreys County surrounding TVA's Johnsonville plantX Rest of Humphreys CountyX Jackson CountyX Jefferson CountyX Johnson CountyX Knox CountyX Lake CountyX Lauderdale CountyX Lawrence CountyX Lewis CountyX Lincoln CountyX Loudon CountyX McMinn CountyX McNairy CountyX Macon CountyX Madison CountyX Marion CountyX Marshall CountyX Maury CountyX Meigs CountyX Monroe CountyX Montgomery CountyX Moore CountyX Morgan CountyX Obion CountyX Overton CountyX Perry CountyX Pickett CountyX Polk CountyX Putnam CountyX Rhea CountyX Roane CountyX Robertson CountyX Rutherford CountyX Scott CountyX Sequatchie CountyX Sevier CountyX Shelby CountyX Smith CountyX Stewart CountyX Sullivan CountyX Sumner CountyX Tipton CountyX Trousdale CountyX Unicoi CountyX Union CountyX Van Buren CountyX Warren CountyX Washington CountyX Wayne CountyX Weakley CountyX White CountyX Williamson CountyX Wilson CountyX

Tennessee—2010 Sulfur Dioxide NAAQS

[Primary]

Designated area Designation Date 1Type Sullivan County, TN 210/4/13Nonattainment. Sullivan County (part) That portion of Sullivan County encompassing a circle having its center at the B-253 power house coordinates 36.5186 N; 82.5350 W and having a 3-kilometer radius Sumner County, TN 206/24/21Attainment/Unclassifiable. Sumner County Rest of State: 3Anderson CountyAttainment/Unclassifiable. Bedford CountyAttainment/Unclassifiable. Benton CountyAttainment/Unclassifiable. Bledsoe CountyAttainment/Unclassifiable. Blount CountyAttainment/Unclassifiable. Bradley CountyAttainment/Unclassifiable. Campbell CountyAttainment/Unclassifiable. Cannon CountyAttainment/Unclassifiable. Carroll CountyAttainment/Unclassifiable. Carter CountyAttainment/Unclassifiable. Cheatham CountyAttainment/Unclassifiable. Chester CountyAttainment/Unclassifiable. Claiborne CountyAttainment/Unclassifiable. Clay CountyAttainment/Unclassifiable. Cocke CountyAttainment/Unclassifiable. Coffee CountyAttainment/Unclassifiable. Crockett CountyAttainment/Unclassifiable. Cumberland CountyAttainment/Unclassifiable. Davidson CountyAttainment/Unclassifiable. Decatur CountyAttainment/Unclassifiable. DeKalb CountyAttainment/Unclassifiable. Dickson CountyAttainment/Unclassifiable. Dyer CountyAttainment/Unclassifiable. Fayette CountyAttainment/Unclassifiable. Fentress CountyAttainment/Unclassifiable. Franklin CountyAttainment/Unclassifiable. Gibson CountyAttainment/Unclassifiable. Giles CountyAttainment/Unclassifiable. Grainger CountyAttainment/Unclassifiable. Greene CountyAttainment/Unclassifiable. Grundy CountyAttainment/Unclassifiable. Hamblen CountyAttainment/Unclassifiable. Hamilton CountyAttainment/Unclassifiable. Hancock CountyAttainment/Unclassifiable. Hardeman CountyAttainment/Unclassifiable. Hardin CountyAttainment/Unclassifiable. Hawkins CountyAttainment/Unclassifiable. Haywood CountyAttainment/Unclassifiable. Henderson CountyAttainment/Unclassifiable. Henry CountyAttainment/Unclassifiable. Hickman CountyAttainment/Unclassifiable. Houston CountyAttainment/Unclassifiable. Humphreys CountyAttainment/Unclassifiable. Jackson CountyAttainment/Unclassifiable. Jefferson CountyAttainment/Unclassifiable. Johnson CountyAttainment/Unclassifiable. Knox CountyAttainment/Unclassifiable. Lake CountyAttainment/Unclassifiable. Lauderdale CountyAttainment/Unclassifiable. Lawrence CountyAttainment/Unclassifiable. Lewis CountyAttainment/Unclassifiable. Lincoln CountyAttainment/Unclassifiable. Loudon CountyAttainment/Unclassifiable. Macon CountyAttainment/Unclassifiable. Madison CountyAttainment/Unclassifiable. Marion CountyAttainment/Unclassifiable. Marshall CountyAttainment/Unclassifiable. Maury CountyAttainment/Unclassifiable. McMinn CountyAttainment/Unclassifiable. McNairy CountyAttainment/Unclassifiable. Meigs CountyAttainment/Unclassifiable. Monroe CountyAttainment/Unclassifiable. Montgomery CountyAttainment/Unclassifiable. Moore CountyAttainment/Unclassifiable. Morgan CountyAttainment/Unclassifiable. Obion CountyAttainment/Unclassifiable. Overton CountyAttainment/Unclassifiable. Perry CountyAttainment/Unclassifiable. Pickett CountyAttainment/Unclassifiable. Polk CountyAttainment/Unclassifiable. Putnam CountyAttainment/Unclassifiable. Rhea CountyAttainment/Unclassifiable. Roane CountyAttainment/Unclassifiable. Robertson CountyAttainment/Unclassifiable. Rutherford CountyAttainment/Unclassifiable. Scott CountyAttainment/Unclassifiable. Sequatchie CountyAttainment/Unclassifiable. Sevier CountyAttainment/Unclassifiable. Shelby CountyAttainment/Unclassifiable. Smith CountyAttainment/Unclassifiable. Stewart CountyAttainment/Unclassifiable. Sullivan County (part) (remainder)Attainment/Unclassifiable. Sumner County, TN 26/24/21Attainment/Unclassifiable. Tipton CountyAttainment/Unclassifiable. Trousdale CountyAttainment/Unclassifiable. Unicoi CountyAttainment/Unclassifiable. Union CountyAttainment/Unclassifiable. Van Buren CountyAttainment/Unclassifiable. Warren CountyAttainment/Unclassifiable. Washington CountyAttainment/Unclassifiable. Wayne CountyAttainment/Unclassifiable. Weakley CountyAttainment/Unclassifiable. White CountyAttainment/Unclassifiable. Williamson CountyAttainment/Unclassifiable. Wilson CountyAttainment/Unclassifiable.

1 This date is April 9, 2018, unless otherwise noted.

2 Excludes Indian country located in each area, if any, unless otherwise specified.

3 Includes any Indian country in each county or area, unless otherwise specified. EPA is not determining the boundaries of any area of Indian country in this table, including any area of Indian country located in the larger designation area. The inclusion of any Indian country in the designation area is not a determination that the state has regulatory authority under the Clean Air Act for such Indian country.

Tennessee—Carbon Monoxide

Designated Area Designation Classification Date 1Type Date 1Type Statewide Anderson CountyUnclassifiable/Attainment Bedford County Benton County Bledsoe County Blount County Bradley County Campbell County Cannon County Carroll County Carter County Cheatham County Chester County Claiborne County Clay County Cocke County Coffee County Crockett County Cumberland County Davidson County De Kalb County Decatur County Dickson County Dyer County Fayette County Fentress County Franklin County Gibson County Giles County Grainger County Greene County Grundy County Hamblen County Hamilton County Hancock County Hardeman County Hardin County Hawkins County Haywood County Henderson County Henry County Hickman County Houston County Humphreys County Jackson County Jefferson County Johnson County Knox County Lake County Lauderdale County Lawrence County Lewis County Lincoln County Loudon County Macon County Madison County Marion County Marshall County Maury County McMinn County McNairy County Meigs County Monroe County Montgomery County Moore County Morgan County Obion County Overton County Perry County Pickett County Polk County Putnam County Rhea County Roane County Robertson County Rutherford County Scott County Sequatchie County Sevier County Shelby County9/26/94 Smith County Stewart County Sullivan County Sumner County Tipton County Trousdale County Unicoi County Union County Van Buren County Warren County Washington County Wayne County Weakley County White County Williamson County Wilson County

1 This date is November 15, 1990, unless otherwise noted.

Tennessee—Ozone (1-Hour Standard) 2

Designated area Designation Classification Date 1Type Date 1Type Jefferson County Area: Jefferson County11/15/90Unclassifiable/Attainment11/15/90 StatewideUnclassifiable/Attainment Anderson County Bedford County Benton County Bledsoe County Blount County Bradley County Campbell County Cannon County Carroll County Carter County Cheatham County Chester County Claiborne County Clay County Cocke County Coffee County Crockett County Cumberland County DeKalb County Decatur County Dickson County Davidson County Dyer County Fayette County Fentress County Franklin County Gibson County Giles County Grainger County Greene County Grundy County Hamblen County Hamilton County Hancock County Hardeman County Hardin County Hawkins County Haywood County Henderson County Henry County Hickman County Houston County Humphreys County Jackson County Johnson County Knox County Lake County Lauderdale County Lawrence County Lewis County Lincoln County Loudon County Macon County Madison County Marion County Marshall County Maury County McMinn County McNairy County Meigs County Monroe County Montgomery County Moore County Morgan County Obion County Overton County Perry County Pickett County Polk County Putnam County Rhea County Roane County Robertson County Rutherford County Scott County Sequatchie County Sevier County Shelby County Smith County Stewart County Sullivan County Sumner County Tipton County Trousdale County Unicoi County Union County Van Buren County Warren County Washington County Wayne County Weakley County White County Williamson County Wilson County

1 This date is October 18, 2000, unless otherwise noted.

2 The 1-hour ozone standard is revoked effective June 15, 2005 for all areas in Tennessee except the Chattanooga, Johnson City-Kingsport-Bristol, and Nashville areas where it is revoked effective April 15, 2009.

Tennessee—1997 Annual PM2.5 NAAQS

[Primary and Secondary]

Designated area Designation aClassification Date 1Type Date 2Type Chattanooga, TN-GA-AL: Hamilton County11/4/2015Attainment Knoxville, TN8/29/2017Attainment Anderson CountyAttainment Blount CountyAttainment Knox CountyAttainment Loudon CountyAttainment Roane County (part)Attainment The area described by U.S. Census 2000 block group identifier 47-145-0307-2. Rest of State: Bedford CountyUnclassifiable/Attainment. Benton CountyUnclassifiable/Attainment. Bledsoe CountyUnclassifiable/Attainment. Bradley CountyUnclassifiable/Attainment. Campbell CountyUnclassifiable/Attainment. Cannon CountyUnclassifiable/Attainment. Carroll CountyUnclassifiable/Attainment. Carter CountyUnclassifiable/Attainment. Cheatham CountyUnclassifiable/Attainment. Chester CountyUnclassifiable/Attainment. Claiborne CountyUnclassifiable/Attainment. Clay CountyUnclassifiable/Attainment. Cocke CountyUnclassifiable/Attainment. Coffee CountyUnclassifiable/Attainment. Crockett CountyUnclassifiable/Attainment. Cumberland CountyUnclassifiable/Attainment. Davidson CountyUnclassifiable/Attainment. Decatur CountyUnclassifiable/Attainment. DeKalb CountyUnclassifiable/Attainment. Dickson CountyUnclassifiable/Attainment. Dyer CountyUnclassifiable/Attainment. Fayette CountyUnclassifiable/Attainment. Fentress CountyUnclassifiable/Attainment. Franklin CountyUnclassifiable/Attainment. Gibson CountyUnclassifiable/Attainment. Giles CountyUnclassifiable/Attainment. Grainger CountyUnclassifiable/Attainment. Greene CountyUnclassifiable/Attainment. Grundy CountyUnclassifiable/Attainment. Hamblen CountyUnclassifiable/Attainment. Hancock CountyUnclassifiable/Attainment. Hardeman CountyUnclassifiable/Attainment. Hardin CountyUnclassifiable/Attainment. Hawkins CountyUnclassifiable/Attainment. Haywood CountyUnclassifiable/Attainment. Henderson CountyUnclassifiable/Attainment. Henry CountyUnclassifiable/Attainment. Hickman CountyUnclassifiable/Attainment. Houston CountyUnclassifiable/Attainment. Humphreys CountyUnclassifiable/Attainment. Jackson CountyUnclassifiable/Attainment. Jefferson CountyUnclassifiable/Attainment. Johnson CountyUnclassifiable/Attainment. Lake CountyUnclassifiable/Attainment. Lauderdale CountyUnclassifiable/Attainment. Lawrence CountyUnclassifiable/Attainment. Lewis CountyUnclassifiable/Attainment. Lincoln CountyUnclassifiable/Attainment. McMinn CountyUnclassifiable/Attainment. McNairy CountyUnclassifiable/Attainment. Macon CountyUnclassifiable/Attainment. Madison CountyUnclassifiable/Attainment. Marion CountyUnclassifiable/Attainment. Marshall CountyUnclassifiable/Attainment. Maury CountyUnclassifiable/Attainment. Meigs CountyUnclassifiable/Attainment. Monroe CountyUnclassifiable/Attainment. Montgomery CountyUnclassifiable/Attainment. Moore CountyUnclassifiable/Attainment. Morgan CountyUnclassifiable/Attainment. Obion CountyUnclassifiable/Attainment. Overton CountyUnclassifiable/Attainment. Perry CountyUnclassifiable/Attainment. Pickett CountyUnclassifiable/Attainment. Polk CountyUnclassifiable/Attainment. Putnam CountyUnclassifiable/Attainment. Rhea CountyUnclassifiable/Attainment. Roane County (remainder)Unclassifiable/Attainment. Robertson CountyUnclassifiable/Attainment. Rutherford CountyUnclassifiable/Attainment. Scott CountyUnclassifiable/Attainment. Sequatchie CountyUnclassifiable/Attainment. Sevier CountyUnclassifiable/Attainment. Shelby CountyUnclassifiable/Attainment. Smith CountyUnclassifiable/Attainment. Stewart CountyUnclassifiable/Attainment. Sullivan CountyUnclassifiable/Attainment. Sumner CountyUnclassifiable/Attainment. Tipton CountyUnclassifiable/Attainment. Trousdale CountyUnclassifiable/Attainment. Unicoi CountyUnclassifiable/Attainment. Union CountyUnclassifiable/Attainment. Van Buren CountyUnclassifiable/Attainment. Warren CountyUnclassifiable/Attainment. Washington CountyUnclassifiable/Attainment. Wayne CountyUnclassifiable/Attainment. Weakley CountyUnclassifiable/Attainment. White CountyUnclassifiable/Attainment. Williamson CountyUnclassifiable/Attainment. Wilson CountyUnclassifiable/Attainment.

a Includes Indian Country located in each county or area, except as otherwise specified.

1 This date is 90 days after January 5, 2005, unless otherwise noted.

2 This date is July 2, 2014, unless otherwise noted.

Tennessee—2012 Annual PM2.5 NAAQS

[Primary]

Designated area 1Designation Classification Date 2Type Date 2Type Statewide: Anderson CountyUnclassifiable/Attainment Bedford CountyUnclassifiable/Attainment Benton CountyUnclassifiable/Attainment Bledsoe CountyUnclassifiable/Attainment Blount CountyUnclassifiable/Attainment Bradley CountyUnclassifiable/Attainment Campbell CountyUnclassifiable/Attainment Cannon CountyUnclassifiable/Attainment Carroll CountyUnclassifiable/Attainment Carter CountyUnclassifiable/Attainment Cheatham CountyUnclassifiable/Attainment Chester CountyUnclassifiable/Attainment Claiborne CountyUnclassifiable/Attainment Clay CountyUnclassifiable/Attainment Cocke CountyUnclassifiable/Attainment Coffee CountyUnclassifiable/Attainment Crockett CountyUnclassifiable/Attainment Cumberland CountyUnclassifiable/Attainment Davidson CountyUnclassifiable/Attainment Decatur CountyUnclassifiable/Attainment DeKalb CountyUnclassifiable/Attainment Dickson CountyUnclassifiable/Attainment Dyer CountyUnclassifiable/Attainment Fayette CountyUnclassifiable/Attainment Fentress CountyUnclassifiable/Attainment Franklin CountyUnclassifiable/Attainment Gibson CountyUnclassifiable/Attainment Giles CountyUnclassifiable/Attainment Grainger CountyUnclassifiable/Attainment Greene CountyUnclassifiable/Attainment Grundy CountyUnclassifiable/Attainment Hamblen CountyUnclassifiable/Attainment Hamilton County4/15/15Unclassifiable/Attainment Hancock CountyUnclassifiable/Attainment Hardeman CountyUnclassifiable/Attainment Hardin CountyUnclassifiable/Attainment Hawkins CountyUnclassifiable/Attainment Haywood CountyUnclassifiable/Attainment Henderson CountyUnclassifiable/Attainment Henry CountyUnclassifiable/Attainment Hickman CountyUnclassifiable/Attainment Houston CountyUnclassifiable/Attainment Humphreys CountyUnclassifiable/Attainment Jackson CountyUnclassifiable/Attainment Jefferson CountyUnclassifiable/Attainment Johnson CountyUnclassifiable/Attainment Knox CountyUnclassifiable/Attainment Lake CountyUnclassifiable/Attainment Lauderdale CountyUnclassifiable/Attainment Lawrence CountyUnclassifiable/Attainment Lewis CountyUnclassifiable/Attainment Lincoln CountyUnclassifiable/Attainment Loudon CountyUnclassifiable/Attainment McMinn CountyUnclassifiable/Attainment McNairy CountyUnclassifiable/Attainment Macon CountyUnclassifiable/Attainment Madison CountyUnclassifiable/Attainment Marion County4/15/15Unclassifiable/Attainment Marshall CountyUnclassifiable/Attainment Maury CountyUnclassifiable/Attainment Meigs CountyUnclassifiable/Attainment Monroe CountyUnclassifiable/Attainment Montgomery CountyUnclassifiable/Attainment Moore CountyUnclassifiable/Attainment Morgan CountyUnclassifiable/Attainment Obion CountyUnclassifiable/Attainment Overton CountyUnclassifiable/Attainment Perry CountyUnclassifiable/Attainment Pickett CountyUnclassifiable/Attainment Polk CountyUnclassifiable/Attainment Putnam CountyUnclassifiable/Attainment Rhea CountyUnclassifiable/Attainment Roane CountyUnclassifiable/Attainment Robertson CountyUnclassifiable/Attainment Rutherford CountyUnclassifiable/Attainment Scott CountyUnclassifiable/Attainment Sequatchie County4/15/15Unclassifiable/Attainment Sevier CountyUnclassifiable/Attainment Shelby CountyUnclassifiable/Attainment Smith CountyUnclassifiable/Attainment Stewart CountyUnclassifiable/Attainment Sullivan CountyUnclassifiable/Attainment Sumner CountyUnclassifiable/Attainment Tipton CountyUnclassifiable/Attainment Trousdale CountyUnclassifiable/Attainment Unicoi CountyUnclassifiable/Attainment Union CountyUnclassifiable/Attainment Van Buren CountyUnclassifiable/Attainment Warren CountyUnclassifiable/Attainment Washington CountyUnclassifiable/Attainment Wayne CountyUnclassifiable/Attainment Weakley CountyUnclassifiable/Attainment White CountyUnclassifiable/Attainment Williamson CountyUnclassifiable/Attainment Wilson CountyUnclassifiable/Attainment

1 Includes areas of Indian country located in each county or area, if any, except as otherwise specified.

2 This date is June 19, 2017, unless otherwise noted.

Tennessee—1997 24-Hour PM2.5 NAAQS

[Primary and Secondary]

Designated area Designation aClassification Date 1Type Date Type Statewide: Anderson CountyUnclassifiable/Attainment. Bedford CountyUnclassifiable/Attainment. Benton CountyUnclassifiable/Attainment. Bledsoe CountyUnclassifiable/Attainment. Blount CountyUnclassifiable/Attainment. Bradley CountyUnclassifiable/Attainment. Campbell CountyUnclassifiable/Attainment. Cannon CountyUnclassifiable/Attainment. Carroll CountyUnclassifiable/Attainment. Carter CountyUnclassifiable/Attainment. Cheatham CountyUnclassifiable/Attainment. Chester CountyUnclassifiable/Attainment. Claiborne CountyUnclassifiable/Attainment. Clay CountyUnclassifiable/Attainment. Cocke CountyUnclassifiable/Attainment. Coffee CountyUnclassifiable/Attainment. Crockett CountyUnclassifiable/Attainment. Cumberland CountyUnclassifiable/Attainment. Davidson CountyUnclassifiable/Attainment. Decatur CountyUnclassifiable/Attainment. DeKalb CountyUnclassifiable/Attainment. Dickson CountyUnclassifiable/Attainment. Dyer CountyUnclassifiable/Attainment. Fayette CountyUnclassifiable/Attainment. Fentress CountyUnclassifiable/Attainment. Franklin CountyUnclassifiable/Attainment. Gibson CountyUnclassifiable/Attainment. Giles CountyUnclassifiable/Attainment. Grainger CountyUnclassifiable/Attainment. Greene CountyUnclassifiable/Attainment. Grundy CountyUnclassifiable/Attainment. Hamblen CountyUnclassifiable/Attainment. Hamilton CountyUnclassifiable/Attainment. Hancock CountyUnclassifiable/Attainment. Hardeman CountyUnclassifiable/Attainment. Hardin CountyUnclassifiable/Attainment. Hawkins CountyUnclassifiable/Attainment. Haywood CountyUnclassifiable/Attainment. Henderson CountyUnclassifiable/Attainment. Henry CountyUnclassifiable/Attainment. Hickman CountyUnclassifiable/Attainment. Houston CountyUnclassifiable/Attainment. Humphreys CountyUnclassifiable/Attainment. Jackson CountyUnclassifiable/Attainment. Jefferson CountyUnclassifiable/Attainment. Johnson CountyUnclassifiable/Attainment. Knox CountyUnclassifiable/Attainment. Lake CountyUnclassifiable/Attainment. Lauderdale CountyUnclassifiable/Attainment. Lawrence CountyUnclassifiable/Attainment. Lewis CountyUnclassifiable/Attainment. Lincoln CountyUnclassifiable/Attainment. Loudon CountyUnclassifiable/Attainment. McMinn CountyUnclassifiable/Attainment. McNairy CountyUnclassifiable/Attainment. Macon CountyUnclassifiable/Attainment. Madison CountyUnclassifiable/Attainment. Marion CountyUnclassifiable/Attainment. Marshall CountyUnclassifiable/Attainment. Maury CountyUnclassifiable/Attainment. Meigs CountyUnclassifiable/Attainment. Monroe CountyUnclassifiable/Attainment. Montgomery CountyUnclassifiable/Attainment. Moore CountyUnclassifiable/Attainment. Morgan CountyUnclassifiable/Attainment. Obion CountyUnclassifiable/Attainment. Overton CountyUnclassifiable/Attainment. Perry CountyUnclassifiable/Attainment. Pickett CountyUnclassifiable/Attainment. Polk CountyUnclassifiable/Attainment. Putnam CountyUnclassifiable/Attainment. Rhea CountyUnclassifiable/Attainment. Roane CountyUnclassifiable/Attainment. The area described by U.S. Census 2000 block group identifier 47-145-0307-2. Robertson CountyUnclassifiable/Attainment. Rutherford CountyUnclassifiable/Attainment. Scott CountyUnclassifiable/Attainment. Sequatchie CountyUnclassifiable/Attainment. Sevier CountyUnclassifiable/Attainment. Shelby CountyUnclassifiable/Attainment. Smith CountyUnclassifiable/Attainment. Stewart CountyUnclassifiable/Attainment. Sullivan CountyUnclassifiable/Attainment. Sumner CountyUnclassifiable/Attainment. Tipton CountyUnclassifiable/Attainment. Trousdale CountyUnclassifiable/Attainment. Unicoi CountyUnclassifiable/Attainment. Union CountyUnclassifiable/Attainment. Van Buren CountyUnclassifiable/Attainment. Warren CountyUnclassifiable/Attainment. Washington CountyUnclassifiable/Attainment. Wayne CountyUnclassifiable/Attainment. Weakley CountyUnclassifiable/Attainment. White CountyUnclassifiable/Attainment. Williamson CountyUnclassifiable/Attainment. Wilson CountyUnclassifiable/Attainment.

a Includes Indian Country located in each county or area, except as otherwise specified.

1 This date is 90 days after January 5, 2005, unless otherwise noted.

Tennessee—2006 24-Hour PM2.5 NAAQS

[Primary and Secondary]

Designated area Designation aClassification Date 1Type Date 2Type Knoxville-Sevierville-La Follette, TN:8/28/2017Attainment Anderson CountyAttainment Blount CountyAttainment Knox CountyAttainment Loudon CountyAttainment Roane County (part)Attainment The area described by U.S. Census 2000 block group identifier 47-145-0307-2.Rest of State: Bedford CountyUnclassifiable/Attainment. Benton CountyUnclassifiable/Attainment. Bledsoe CountyUnclassifiable/Attainment. Bradley CountyUnclassifiable/Attainment. Campbell CountyUnclassifiable/Attainment. Cannon CountyUnclassifiable/Attainment. Carroll CountyUnclassifiable/Attainment. Carter CountyUnclassifiable/Attainment. Cheatham CountyUnclassifiable/Attainment. Chester CountyUnclassifiable/Attainment. Claiborne CountyUnclassifiable/Attainment. Clay CountyUnclassifiable/Attainment. Cocke CountyUnclassifiable/Attainment. Coffee CountyUnclassifiable/Attainment. Crockett CountyUnclassifiable/Attainment. Cumberland CountyUnclassifiable/Attainment. Davidson CountyUnclassifiable/Attainment. Decatur CountyUnclassifiable/Attainment. DeKalb CountyUnclassifiable/Attainment. Dickson CountyUnclassifiable/Attainment. Dyer CountyUnclassifiable/Attainment. Fayette CountyUnclassifiable/Attainment. Fentress CountyUnclassifiable/Attainment. Franklin CountyUnclassifiable/Attainment. Gibson CountyUnclassifiable/Attainment. Giles CountyUnclassifiable/Attainment. Grainger CountyUnclassifiable/Attainment. Greene CountyUnclassifiable/Attainment. Grundy CountyUnclassifiable/Attainment. Hamblen CountyUnclassifiable/Attainment. Hamilton CountyUnclassifiable/Attainment. Hancock CountyUnclassifiable/Attainment. Hardeman CountyUnclassifiable/Attainment. Hardin CountyUnclassifiable/Attainment. Hawkins CountyUnclassifiable/Attainment. Haywood CountyUnclassifiable/Attainment. Henderson CountyUnclassifiable/Attainment. Henry CountyUnclassifiable/Attainment. Hickman CountyUnclassifiable/Attainment. Houston CountyUnclassifiable/Attainment. Humphreys CountyUnclassifiable/Attainment. Jackson CountyUnclassifiable/Attainment. Jefferson CountyUnclassifiable/Attainment. Johnson CountyUnclassifiable/Attainment. Lake CountyUnclassifiable/Attainment. Lauderdale CountyUnclassifiable/Attainment. Lawrence CountyUnclassifiable/Attainment. Lewis CountyUnclassifiable/Attainment. Lincoln CountyUnclassifiable/Attainment. McMinn CountyUnclassifiable/Attainment. McNairy CountyUnclassifiable/Attainment. Macon CountyUnclassifiable/Attainment. Madison CountyUnclassifiable/Attainment. Marion CountyUnclassifiable/Attainment. Marshall CountyUnclassifiable/Attainment. Maury CountyUnclassifiable/Attainment. Meigs CountyUnclassifiable/Attainment. Monroe CountyUnclassifiable/Attainment. Montgomery CountyUnclassifiable/Attainment. Moore CountyUnclassifiable/Attainment. Morgan CountyUnclassifiable/Attainment. Obion CountyUnclassifiable/Attainment. Overton CountyUnclassifiable/Attainment. Perry CountyUnclassifiable/Attainment. Pickett CountyUnclassifiable/Attainment. Polk CountyUnclassifiable/Attainment. Putnam CountyUnclassifiable/Attainment. Rhea CountyUnclassifiable/Attainment. Roane County (remainder)Unclassifiable/Attainment. Robertson CountyUnclassifiable/Attainment. Rutherford CountyUnclassifiable/Attainment. Scott County.Unclassifiable/Attainment. Sequatchie CountyUnclassifiable/Attainment. Sevier CountyUnclassifiable/Attainment. Shelby CountyUnclassifiable/Attainment. Smith CountyUnclassifiable/Attainment. Stewart CountyUnclassifiable/Attainment. Sullivan CountyUnclassifiable/Attainment. Sumner CountyUnclassifiable/Attainment. Tipton CountyUnclassifiable/Attainment. Trousdale CountyUnclassifiable/Attainment. Unicoi CountyUnclassifiable/Attainment. Union CountyUnclassifiable/Attainment. Van Buren CountyUnclassifiable/Attainment. Warren CountyUnclassifiable/Attainment. Washington CountyUnclassifiable/Attainment. Wayne CountyUnclassifiable/Attainment. Weakley CountyUnclassifiable/Attainment. White CountyUnclassifiable/Attainment. Williamson CountyUnclassifiable/Attainment. Wilson CountyUnclassifiable/Attainment.

a Includes Indian Country located in each county or area, except as otherwise specified.

1 This date is 30 days after November 13, 2009, unless otherwise noted.

2 This date is July 2, 2014, unless otherwise noted.

Tennessee—NO2 (1971 Annual Standard)

Designated area Does not meet primary standards Cannot be classified or better than national standards Statewidex

Tennessee—NO2 (2010 1-Hour Standard)

Designated area Designation aDate 1Type Bradley CountyUnclassifiable/Attainment. Davidson CountyUnclassifiable/Attainment. McMinn CountyUnclassifiable/Attainment. Sullivan CountyUnclassifiable/Attainment. Rest of StateUnclassifiable/Attainment.

a Includes Indian Country located in each county or area, except as otherwise specified.

1 This date is 90 days after October 31, 2011, unless otherwise noted.

Tennessee—1997 8-Hour Ozone NAAQS

[Primary and Secondary]

Designated area Designation aCategory/classification Date 1Type Date 1Type Chattanooga, TN-GA-AL: Hamilton County( 2)Attainment. Meigs County( 2)Attainment. Clarkesville-Hopkinsville, TN-KY: Montgomery County11/21/05Attainment Johnson City-Kingsport-Bristol, TN: Hawkins County( 2)Attainment. Sullivan County( 2)Attainment. Knoxville, TN: Anderson CountyThis action is effective 3/8/2011AttainmentBlount CountyThis action is effective 3/8/2011AttainmentCocke County (part)This action is effective 3/8/2011Attainment(Great Smoky Mtn Park)Jefferson CountyThis action is effective 3/8/2011AttainmentKnox CountyThis action is effective 3/8/2011AttainmentLoudon CountyThis action is effective 3/8/2011AttainmentSevier CountyThis action is effective 3/8/2011Attainment. Memphis, TN-AR: Shelby CountyJanuary 4, 2010AttainmentNashville, TN: Davidson County( 2)Attainment. Rutherford County( 2)Attainment. Sumner County( 2)Attainment. Williamson County( 2)Attainment. Wilson County( 2)Attainment. Rest of StateUnclassifiable/Attainment Bedford County Benton County Bledsoe County Bradley County Campbell County Cannon County Carroll County Carter County Cheatham County Chester County Claiborne County Clay County Cocke County (part) remainder Coffee County Crockett County Cumberland County Decatur County DeKalb County Dickson County Dyer County Fayette County Fentress County Franklin County Gibson County Giles County Grainger County Greene County Grundy County Hamblen County Hancock County Hardeman County Hardin County Haywood County Henderson County Henry County Hickman County Houston County Humphreys County Jackson County Johnson County Lake County Lauderdale County Lawrence County Lewis County Lincoln County Macon County Madison County Marion County Marshall County Maury County McMinn County McNairy County Monroe County Moore County Morgan County Obion County Overton County Perry County Pickett County Polk County Putnam County Rhea County Roane County Robertson County Scott County Sequatchie County Smith County Stewart County Tipton County Trousdale County Unicoi County Union County Van Buren County Warren County Washington County Wayne County Weakley County White County

a Includes Indian Country located in each county or area, except as otherwise specified.

1 This date is June 15, 2004, unless otherwise noted.

2 Effective April 15, 2008.

Tennessee—2008 8-Hour Ozone NAAQS

[Primary and Secondary]

Designated area Designation Classification Date 1Type Date 1Type Knoxville, TN 2This action is effective 7/13/15Attainment Anderson County (part): 2000 Census tracts: 202, 213.02Blount CountyKnox CountyMemphis, TN-MS-AR: 2NonattainmentMarginal. Shelby County6/23/16Attainment Rest of State: 3Unclassifiable/Attainment Anderson County (part) remainderUnclassifiable/Attainment Bedford CountyUnclassifiable/Attainment Benton CountyUnclassifiable/Attainment Bledsoe CountyUnclassifiable/Attainment Bradley CountyUnclassifiable/Attainment Campbell CountyUnclassifiable/Attainment Cannon CountyUnclassifiable/Attainment Carroll CountyUnclassifiable/Attainment Carter CountyUnclassifiable/Attainment Cheatham CountyUnclassifiable/Attainment Chester CountyUnclassifiable/Attainment Claiborne CountyUnclassifiable/Attainment Clay CountyUnclassifiable/Attainment Cocke CountyUnclassifiable/Attainment Coffee CountyUnclassifiable/Attainment Crockett CountyUnclassifiable/Attainment Cumberland CountyUnclassifiable/Attainment Davidson CountyUnclassifiable/Attainment Decatur CountyUnclassifiable/Attainment DeKalb CountyUnclassifiable/Attainment Dickson CountyUnclassifiable/Attainment Dyer CountyUnclassifiable/Attainment Fayette CountyUnclassifiable/Attainment Fentress CountyUnclassifiable/Attainment Franklin CountyUnclassifiable/Attainment Gibson CountyUnclassifiable/Attainment Giles CountyUnclassifiable/Attainment Grainger CountyUnclassifiable/Attainment Greene CountyUnclassifiable/Attainment Grundy CountyUnclassifiable/Attainment Hamblen CountyUnclassifiable/Attainment Hamilton CountyUnclassifiable/Attainment Hancock CountyUnclassifiable/Attainment Hardeman CountyUnclassifiable/Attainment Hardin CountyUnclassifiable/Attainment Hawkins CountyUnclassifiable/Attainment Haywood CountyUnclassifiable/Attainment Henderson CountyUnclassifiable/Attainment Henry CountyUnclassifiable/Attainment Hickman CountyUnclassifiable/Attainment Houston CountyUnclassifiable/Attainment Humphreys CountyUnclassifiable/Attainment Jackson CountyUnclassifiable/Attainment Jefferson CountyUnclassifiable/Attainment Johnson CountyUnclassifiable/Attainment Lake CountyUnclassifiable/Attainment Lauderdale CountyUnclassifiable/Attainment Lawrence CountyUnclassifiable/Attainment Lewis CountyUnclassifiable/Attainment Lincoln CountyUnclassifiable/Attainment Loudon CountyUnclassifiable/Attainment McMinn CountyUnclassifiable/Attainment McNairy CountyUnclassifiable/Attainment Macon CountyUnclassifiable/Attainment Madison CountyUnclassifiable/Attainment Marion CountyUnclassifiable/Attainment Marshall CountyUnclassifiable/Attainment Maury CountyUnclassifiable/Attainment Meigs CountyUnclassifiable/Attainment Monroe CountyUnclassifiable/Attainment Montgomery CountyUnclassifiable/Attainment Moore CountyUnclassifiable/Attainment Morgan CountyUnclassifiable/Attainment Obion CountyUnclassifiable/Attainment Overton CountyUnclassifiable/Attainment Perry CountyUnclassifiable/Attainment Pickett CountyUnclassifiable/Attainment Polk CountyUnclassifiable/Attainment Putnam CountyUnclassifiable/Attainment Rhea CountyUnclassifiable/Attainment Roane CountyUnclassifiable/Attainment Robertson CountyUnclassifiable/Attainment Rutherford CountyUnclassifiable/Attainment Scott CountyUnclassifiable/Attainment Sequatchie CountyUnclassifiable/Attainment Sevier CountyUnclassifiable/Attainment Smith CountyUnclassifiable/Attainment Stewart CountyUnclassifiable/Attainment Sullivan CountyUnclassifiable/Attainment Sumner CountyUnclassifiable/Attainment Tipton CountyUnclassifiable/Attainment Trousdale CountyUnclassifiable/Attainment Unicoi CountyUnclassifiable/Attainment Union CountyUnclassifiable/Attainment Van Buren CountyUnclassifiable/Attainment Warren CountyUnclassifiable/Attainment Washington CountyUnclassifiable/Attainment Wayne CountyUnclassifiable/Attainment Weakley CountyUnclassifiable/Attainment White CountyUnclassifiable/Attainment Williamson CountyUnclassifiable/Attainment Wilson CountyUnclassifiable/Attainment

1 This date is July 20, 2012, unless otherwise noted.

2 Excludes Indian country located in each area, unless otherwise noted.

3 Includes any Indian country in each county or area, unless otherwise specified.

Tennessee—2015 8-Hour Ozone NAAQS

[Primary and Secondary]

Designated area 1Designation Classification Date 2Type Date Type Anderson CountyAttainment/Unclassifiable Bedford CountyAttainment/Unclassifiable Benton CountyAttainment/Unclassifiable Bledsoe CountyAttainment/Unclassifiable Blount CountyAttainment/Unclassifiable Bradley CountyAttainment/Unclassifiable Campbell CountyAttainment/Unclassifiable Cannon CountyAttainment/Unclassifiable Carroll CountyAttainment/Unclassifiable Carter CountyAttainment/Unclassifiable Cheatham CountyAttainment/Unclassifiable Chester CountyAttainment/Unclassifiable Claiborne CountyAttainment/Unclassifiable Clay CountyAttainment/Unclassifiable Cocke CountyAttainment/Unclassifiable Coffee CountyAttainment/Unclassifiable Crockett CountyAttainment/Unclassifiable Cumberland CountyAttainment/Unclassifiable Davidson CountyAttainment/Unclassifiable Decatur CountyAttainment/Unclassifiable DeKalb CountyAttainment/Unclassifiable Dickson CountyAttainment/Unclassifiable Dyer CountyAttainment/Unclassifiable Fayette CountyAttainment/Unclassifiable Fentress CountyAttainment/Unclassifiable Franklin CountyAttainment/Unclassifiable Gibson CountyAttainment/Unclassifiable Giles CountyAttainment/Unclassifiable Grainger CountyAttainment/Unclassifiable Greene CountyAttainment/Unclassifiable Grundy CountyAttainment/Unclassifiable Hamblen CountyAttainment/Unclassifiable Hamilton CountyAttainment/Unclassifiable Hancock CountyAttainment/Unclassifiable Hardeman CountyAttainment/Unclassifiable Hardin CountyAttainment/Unclassifiable Hawkins CountyAttainment/Unclassifiable Haywood CountyAttainment/Unclassifiable Henderson CountyAttainment/Unclassifiable Henry CountyAttainment/Unclassifiable Hickman CountyAttainment/Unclassifiable Houston CountyAttainment/Unclassifiable Humphreys CountyAttainment/Unclassifiable Jackson CountyAttainment/Unclassifiable Jefferson CountyAttainment/Unclassifiable Johnson CountyAttainment/Unclassifiable Knox CountyAttainment/Unclassifiable Lake CountyAttainment/Unclassifiable Lauderdale CountyAttainment/Unclassifiable Lawrence CountyAttainment/Unclassifiable Lewis CountyAttainment/Unclassifiable Lincoln CountyAttainment/Unclassifiable Loudon CountyAttainment/Unclassifiable McMinn CountyAttainment/Unclassifiable McNairy CountyAttainment/Unclassifiable Macon CountyAttainment/Unclassifiable Madison CountyAttainment/Unclassifiable Marion CountyAttainment/Unclassifiable Marshall CountyAttainment/Unclassifiable Maury CountyAttainment/Unclassifiable Meigs CountyAttainment/Unclassifiable Monroe CountyAttainment/Unclassifiable Montgomery CountyAttainment/Unclassifiable Moore CountyAttainment/Unclassifiable Morgan CountyAttainment/Unclassifiable Obion CountyAttainment/Unclassifiable Overton CountyAttainment/Unclassifiable Perry CountyAttainment/Unclassifiable Pickett CountyAttainment/Unclassifiable Polk CountyAttainment/Unclassifiable Putnam CountyAttainment/Unclassifiable Rhea CountyAttainment/Unclassifiable Roane CountyAttainment/Unclassifiable Robertson CountyAttainment/Unclassifiable Rutherford CountyAttainment/Unclassifiable Scott CountyAttainment/Unclassifiable Sequatchie CountyAttainment/Unclassifiable Sevier CountyAttainment/Unclassifiable Shelby CountyAttainment/Unclassifiable Smith CountyAttainment/Unclassifiable Stewart CountyAttainment/Unclassifiable Sullivan CountyAttainment/Unclassifiable Sumner CountyAttainment/Unclassifiable Tipton CountyAttainment/Unclassifiable Trousdale CountyAttainment/Unclassifiable Unicoi CountyAttainment/Unclassifiable Union CountyAttainment/Unclassifiable Van Buren CountyAttainment/Unclassifiable Warren CountyAttainment/Unclassifiable Washington CountyAttainment/Unclassifiable Wayne CountyAttainment/Unclassifiable Weakley CountyAttainment/Unclassifiable White CountyAttainment/Unclassifiable Williamson CountyAttainment/Unclassifiable Wilson CountyAttainment/Unclassifiable

1 Includes any Indian country in each county or area, unless otherwise specified. EPA is not determining the boundaries of any area of Indian country in this table, including any area of Indian country located in the larger designation area. The inclusion of any Indian country in the designation area is not a determination that the state has regulatory authority under the Clean Air Act for such Indian country.

2 This date is January 16, 2018, unless otherwise noted.

Tennessee—1978 Lead NAAQS

Designated area Designation Classification Date Type Date Type Shelby County (part)7/2/01Attainment Area encompassed by a circle with a 3/4 mile radius with center being the intersection of Castex and Mallory Avenue, Memphis, TN. Williamson County (part)9/10/99Attainment Area encompassed by a circle centered on Universal Transverse Mercator coordinate 530.38 E, 3961.60 N (Zone 16) with a radius of 1.5 kilometers. Fayette County (part)10/17/95Attainment Area encompassed by a circle centered on Universal Transverse Mercator coordinate 267.59 E, 3881.30 N (Zone 16) with a radius of 1.0 kilometers. Rest of State Not Designated

Tennessee—2008 Lead NAAQS

Designated area Designation for the 2008 NAAQS aDate 1Type Bristol, TN: Sullivan County (part)7/7/16Attainment. Area is bounded by a 1.25 km radius surrounding the UTM coordinates 4042923 meters E., 386267 meters N., Zone 17, which surrounds the Exide Technologies Facility. Knox County, TN: Knox CountyUnclassifiable. Rest of StateUnclassifiable/Attainment.

a Includes Indian Country located in each county or area, except as otherwise specified.

1 December 31, 2011 unless otherwise noted.

[43 FR 8964, Mar. 3, 1978] Editorial Note:For Federal Register citations affecting § 81.343, see the List of CFR Sections Affected, which appears in the Finding Aids section of the printed volume and at www.govinfo.gov.

AUTHORITY: 42 U.S.C. 7401,

SOURCE: 36 FR 22421, Nov. 25, 1971, unless otherwise noted.

CITE AS: 40 CFR 81.343