81.334—North Carolina.

North Carolina—TSP
Designated area Does not meet primary standards Does not meet secondary standards Cannot be classified Better than national standards
Alamance County X
Alexander County X
Alleghany County X
Anson County X
Ashe County X
Avery County X
Beaufort County X
Bertie County X
Bladen County X
Brunswick County X
Buncombe County X
Burke County X
Cabarrus County X
Caldwell County X
Camden County X
Code of Federal Regulations 389
Carteret County X
Caswell County X
Catawba County X
Chatham County X
Cherokee County X
Chowan County X
Clay County X
Cleveland County X
Columbus County X
Craven County X
Cumberland County X
Currituck County X
Dare County X
Davidson County X
Davie County X
Duplin County X
Durham County X
Edgecombe County X
Forsyth County X
Franklin County X
Gaston County X
Gates County X
Graham County X
Granville County X
Greene County X
Guilford County X
Halifax County X
Harnett County X
Haywood County X
Henderson County X
Hertford County X
Hoke County X
Hyde County X
Iredell County X
Jackson County X
Johnston County X
Jones County X
Lee County X
Lenoir County X
Lincoln County X
McDowell County X
Macon County X
Madison County X
Martin County X
Mecklenburg County X
Mitchell County X
Montgomery County X
Moore County X
Nash County X
New Hanover County X
Northampton County X
Onslow County X
Orange County X
Pamlico County X
Pasquotank County X
Pender County X
Perquimans County X
Person County X
Pitt County X
Polk County X
Randolph County X
Richmond County X
Robeson County X
Rockingham County X
Rowan County X
Rutherford County X
Sampson County X
Scotland County X
Stanly County X
Stokes County X
Code of Federal Regulations 390
Surry County X
Swain County X
Transylvania County X
Tyrrell County X
Union County X
Vance County X
Wake County X
Warren County X
Washington County X
Watauga County X
Wayne County X
Wilkes County X
Wilson County X
Yadkin County X
Yancey County X
North Carolina—SO2
Designated area Does not meet primary standards Does not meet secondary standards Cannot be classified Better than national standards
Alamance County X
Alexander County X
Alleghany County X
Anson County X
Ashe County X
Avery County X
Beaufort County X
Bertie County X
Bladen County X
Brunswick County X
Buncombe County X
Burke County X
Cabarrus County X
Caldwell County X
Camden County X
Carteret County X
Caswell County X
Catawba County X
Chatham County X
Cherokee County X
Chowan County X
Clay County X
Cleveland County X
Columbus County X
Craven County X
Cumberland County X
Currituck County X
Dare County X
Davidson County X
Davie County X
Duplin County X
Durham County X
Edgecombe County X
Forsyth County X
Franklin County X
Gaston County X
Gates County X
Graham County X
Granville County X
Greene County X
Guilford County X
Halifax County X
Harnett County X
Haywood County X
Henderson County X
Hertford County X
Hoke County X
Code of Federal Regulations 391
Hyde County X
Iredell County X
Jackson County X
Johnston County X
Jones County X
Lee County X
Lenoir County X
Lincoln County X
McDowell County X
Macon County X
Madison County X
Martin County X
Mecklenburg County X
Mitchell County X
Montgomery County X
Moore County X
Nash County X
New Hanover County X
Northampton County X
Onslow County X
Orange County X
Pamlico County X
Pasquotank County X
Pender County X
Perquimans County X
Person County X
Pitt County X
Polk County X
Randolph County X
Richmond County X
Robeson County X
Rockingham County X
Rowan County X
Rutherford County X
Sampson County X
Scotland County X
Stanly County X
Stokes County X
Surry County X
Swain County X
Transylvania County X
Tyrrell County X
Union County X
Vance County X
Wake County X
Warren County X
Washington County X
Watauga County X
Wayne County X
Wilkes County X
Wilson County X
Yadkin County X
Yancey County X
North Carolina—Carbon Monoxide
Designated Area Designation Classification
Date 1 Type Date 1 Type
Winston-Salem Area
Forsyth County 11/7/94
Statewide Unclassifiable/Attainment
Alamance County
Alexander County
Alleghany County
Anson County
Ashe County
Avery County
Beaufort County
Code of Federal Regulations 392
Bertie County
Bladen County
Brunswick County
Buncombe County
Burke County
Cabarrus County
Caldwell County
Camden County
Carteret County
Caswell County
Catawba County
Chatham County
Cherokee County
Chowan County
Clay County
Cleveland County
Columbus County
Craven County
Cumberland County
Currituck County
Dare County
Davidson County
Davie County
Duplin County
Durham County 9/18/95
Edgecombe County
Franklin County
Gaston County
Gates County
Graham County
Granville County
Greene County
Guilford County
Halifax County
Harnett County
Haywood County
Henderson County
Hertford County
Hoke County
Hyde County
Iredell County
Jackson County
Johnston County
Jones County
Lee County
Lenoir County
Lincoln County
Macon County
Madison County
Martin County
McDowell County
Mecklenburg County 9/18/95
Mitchell County
Montgomery County
Moore County
Nash County
New Hanover County
Northampton County
Onslow County
Orange County
Pamlico County
Pasquotank County
Pender County
Perquimans County
Person County
Pitt County
Polk County
Randolph County
Richmond County
Robeson County
Rockingham County
Code of Federal Regulations 393
Rowan County
Rutherford County
Sampson County
Scotland County
Stanly County
Stokes County
Surry County
Swain County
Transylvania County
Tyrrell County
Union County
Vance County
Wake County 9/18/95
Warren County
Washington County
Watauga County
Wayne County
Wilkes County
Wilson County
Yadkin County
Yancey County
1 This date is November 15, 1990, unless otherwise noted.




North Carolina—Ozone (1-Hour Standard)2
Designated area Designation Classification
Date 1 Type Date 1 Type
Statewide Unclassifiable/Attainment
Alamance County
Alexander County
Alleghany County
Anson County
Ashe County
Avery County
Beaufort County