----------------------------------------------------------------------------------------------------------------
State of Nevada \3\........................  ..............  Attainment/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 April 9, 2018, unless otherwise noted.
\3\ Rest of State refers to hydrographic areas as shown on the State of Nevada Division of Water Resources' map
  titled ``Water Resources and Inter-basin Flows'' (September 1971), as revised to include a division of Carson
  Desert (area 101) into two areas, a smaller area 101 and area 101A, and a division of Boulder Flat (area 61)
  into an Upper Unit 61 and a Lower Unit 61. See also 67 FR 12474 (March 19, 2002).

* * * * *

0
31. Section 81.330 is amended by revising the table entitled ``New
Hampshire--2010 Sulfur Dioxide NAAQS (Primary)'' to read as follows:

Sec.  81.330  New Hampshire.

* * * * *

                               New Hampshire--2010 Sulfur Dioxide NAAQS (Primary)
----------------------------------------------------------------------------------------------------------------
                                                                         Designation
            Designated area \1\             --------------------------------------------------------------------
                                                Date \2\                             Type
----------------------------------------------------------------------------------------------------------------
Central New Hampshire, NH..................         10/4/13  Nonattainment.
    Hillsborough County (part)
        Goffstown Town
    Merrimack County (part)
        Allenstown Town, Bow Town,
         Chichester Town, Dunbarton Town,
         Epsom Town, Hooksett Town, Loudon
         Town, Pembroke Town, Pittsfield
         Town, City of Concord
    Rockingham County (part)
        Candia Town, Deerfield Town,
         Northwood Town
Rest of State:
    Belknap County.........................  ..............  Attainment/Unclassifiable.
    Carroll County.........................  ..............  Attainment/Unclassifiable.
    Cheshire County........................  ..............  Attainment/Unclassifiable.
    Coos County............................  ..............  Attainment/Unclassifiable.
    Grafton County.........................  ..............  Attainment/Unclassifiable.
    Hillsborough County (part).............  ..............  Attainment/Unclassifiable.
        Amherst Town, Antrim Town, Bedford
         Town, Bennington Town, Brookline
         Town, Deering Town, Francestown
         Town, Greenfield Town, Greenville
         Town, Hancock Town, Hillsborough
         Town, Hollis Town, Hudson Town,
         Litchfield Town, Lyndeborough
         Town, City of Manchester, Mason
         Town, Merrimack Town, Milford
         Town, Mont Vernon Town, City of
         Nashua, New Boston Town, New
         Ipswich Town, Pelham Town,
         Peterborough Town, Sharon Town,
         Temple Town, Weare Town, Wilton
         Town, Windsor Town
    Merrimack County (part)................  ..............  Attainment/Unclassifiable.

        Andover Town, Boscawen Town,
         Bradford Town, Canterbury Town,
         Danbury Town, City of Franklin,
         Henniker Town, Hill Town,
         Hopkinton Town, New London Town,
         Newbury Town, Northfield Town,
         Salisbury Town, Sutton Town,
         Warner Town, Webster Town, Wilmot
         Town
    Rockingham County (part)...............  ..............  Attainment/Unclassifiable.
        Atkinson Town, Auburn Town,
         Brentwood Town, Chester Town,
         Danville Town, Derry Town, East
         Kingston Town, Epping Town, Exeter
         Town, Fremont Town, Greenland
         Town, Hampstead Town, Hampton
         Town, Hampton Falls Town,
         Kensington Town, Kingston Town,
         Londonderry Town, New Castle Town,
         Newfields Town, Newington Town,
         Newmarket Town, Newton Town, North
         Hampton Town, Nottingham Town,
         Plainstow Town, City of
         Portsmouth, Raymond Town, Rye
         Town, Salem Town, Sandown Town,
         Seabrook Town, South Hampton Town,
         Stratham Town, Windham Town
    Strafford County.......................  ..............  Attainment/Unclassifiable.
    Sullivan County........................  ..............  Attainment/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 April 9, 2018, unless otherwise noted.

* * * * *

0
32. Section 81.331 is amended by adding a table entitled ``New Jersey--
2010 Sulfur Dioxide NAAQS (Primary)'' following the table ``New
Jersey--1971 Sulfur Dioxide NAAQS (Primary and Secondary)'' to read as
follows:

Sec.  81.331  New Jersey.

* * * * *

                                 New Jersey--2010 Sulfur Dioxide NAAQS (Primary)
----------------------------------------------------------------------------------------------------------------
                                                                         Designation
            Designated area \1\             --------------------------------------------------------------------
                                                Date \2\                             Type
----------------------------------------------------------------------------------------------------------------
Entire State...............................  ..............  Attainment/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 April 9, 2018, unless otherwise noted.

* * * * *

0
33. Section 81.332 is amended by adding a table titled ``New Mexico--
2010 Sulfur Dioxide NAAQS (Primary)'' following the table titled ``New
Mexico--1971 Sulfur Dioxide NAAQS (Primary and Secondary)'' to read as
follows:

Sec.  81.332  New Mexico.

* * * * *

                                 New Mexico--2010 Sulfur Dioxide NAAQS (Primary)
----------------------------------------------------------------------------------------------------------------
                                                                         Designation
            Designated area \1\             --------------------------------------------------------------------
                                                Date \2\                             Type
----------------------------------------------------------------------------------------------------------------
Bernalillo County..........................  ..............  Attainment/Unclassifiable.
Catron County..............................  ..............  Attainment/Unclassifiable.
Chaves County..............................  ..............  Attainment/Unclassifiable.
Cibola County..............................  ..............  Attainment/Unclassifiable.
Colfax County..............................  ..............  Attainment/Unclassifiable.
Curry County...............................  ..............  Attainment/Unclassifiable.
De Baca County.............................  ..............  Attainment/Unclassifiable.
Dona Ana County............................  ..............  Attainment/Unclassifiable.
Eddy County................................  ..............  Attainment/Unclassifiable.
Grant County...............................  ..............  Attainment/Unclassifiable.
Guadalupe County...........................  ..............  Attainment/Unclassifiable.
Harding County.............................  ..............  Attainment/Unclassifiable.
Hidalgo County.............................  ..............  Attainment/Unclassifiable.
Lea County.................................  ..............  Attainment/Unclassifiable.
Lincoln County.............................  ..............  Attainment/Unclassifiable.
Los Alamos County..........................  ..............  Attainment/Unclassifiable.
Luna County................................  ..............  Attainment/Unclassifiable.
McKinley County............................  ..............  Attainment/Unclassifiable.
Mora County................................  ..............  Attainment/Unclassifiable.

Quay County................................  ..............  Attainment/Unclassifiable.
Rio Arriba County..........................  ..............  Attainment/Unclassifiable.
Roosevelt County...........................  ..............  Attainment/Unclassifiable.
San Juan County............................  ..............  Attainment/Unclassifiable.
San Miguel County..........................  ..............  Attainment/Unclassifiable.
Sandoval County............................  ..............  Attainment/Unclassifiable.
Santa Fe County............................  ..............  Attainment/Unclassifiable.
Socorro County.............................  ..............  Attainment/Unclassifiable.
Taos County................................  ..............  Attainment/Unclassifiable.
Torrance County............................  ..............  Attainment/Unclassifiable.
Union County...............................  ..............  Attainment/Unclassifiable.
Valencia County............................  ..............  Attainment/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. The lands of the
  Navajo Nation, including those lands located geographically within New Mexico, are excluded, as they are
  separately designated under Section 81.303.
\2\ This date is April 9, 2018, unless otherwise noted.

* * * * *

0
34. Section 81.333 is amended by revising the table entitled ``New
York--2010 Sulfur Dioxide NAAQS (Primary)'' to read as follows:

Sec.  81.333  New York.

* * * * *

                                  New York--2010 Sulfur Dioxide NAAQS (Primary)
----------------------------------------------------------------------------------------------------------------
                                                                         Designation
          Designated area \1\ \3\           --------------------------------------------------------------------
                                                Date \2\                             Type
----------------------------------------------------------------------------------------------------------------
Monroe County..............................  ..............  Unclassifiable.
Erie-Niagara, NY...........................         9/12/16  Attainment/Unclassifiable.
    Erie County
    Niagara County
Albany County..............................  ..............  Attainment/Unclassifiable.
Allegany County............................  ..............  Attainment/Unclassifiable.
Broome County..............................  ..............  Attainment/Unclassifiable.
Bronx County...............................  ..............  Attainment/Unclassifiable.
Cattaraugus County.........................  ..............  Attainment/Unclassifiable.
Chautauqua County..........................  ..............  Attainment/Unclassifiable.
Chemung County.............................  ..............  Attainment/Unclassifiable.
Chenango County............................  ..............  Attainment/Unclassifiable.
Clinton County.............................  ..............  Attainment/Unclassifiable.
Columbia County............................  ..............  Attainment/Unclassifiable.
Cortland County............................  ..............  Attainment/Unclassifiable.
Delaware County............................  ..............  Attainment/Unclassifiable.
Dutchess County............................  ..............  Attainment/Unclassifiable.
Essex County...............................  ..............  Attainment/Unclassifiable.
Franklin County............................  ..............  Attainment/Unclassifiable.
Fulton County..............................  ..............  Attainment/Unclassifiable.
Genesee County.............................  ..............  Attainment/Unclassifiable.
Greene County..............................  ..............  Attainment/Unclassifiable.
Hamilton County............................  ..............  Attainment/Unclassifiable.
Herkimer County............................  ..............  Attainment/Unclassifiable.
Jefferson County...........................  ..............  Attainment/Unclassifiable.
Kings County...............................  ..............  Attainment/Unclassifiable.
Lewis County...............................  ..............  Attainment/Unclassifiable.
Livingston County..........................  ..............  Attainment/Unclassifiable.
Madison County.............................  ..............  Attainment/Unclassifiable.
Montgomery County..........................  ..............  Attainment/Unclassifiable.
Nassau County..............................  ..............  Attainment/Unclassifiable.
New York County............................  ..............  Attainment/Unclassifiable.
Oneida County..............................  ..............  Attainment/Unclassifiable.
Onondaga County............................  ..............  Attainment/Unclassifiable.
Ontario County.............................  ..............  Attainment/Unclassifiable.
Orange County..............................  ..............  Attainment/Unclassifiable.
Orleans County.............................  ..............  Attainment/Unclassifiable.
Oswego County..............................  ..............  Attainment/Unclassifiable.
Otsego County..............................  ..............  Attainment/Unclassifiable.
Putnam County..............................  ..............  Attainment/Unclassifiable.

Queens County..............................  ..............  Attainment/Unclassifiable.
Rensselaer County..........................  ..............  Attainment/Unclassifiable.
Richmond County............................  ..............  Attainment/Unclassifiable.
Rockland County............................  ..............  Attainment/Unclassifiable.
Saratoga County............................  ..............  Attainment/Unclassifiable.
Schenectady County.........................  ..............  Attainment/Unclassifiable.
Schoharie County...........................  ..............  Attainment/Unclassifiable.
Schuyler County............................  ..............  Attainment/Unclassifiable.
Steuben County.............................  ..............  Attainment/Unclassifiable.
Suffolk County.............................  ..............  Attainment/Unclassifiable.
Sullivan County............................  ..............  Attainment/Unclassifiable.
Tioga County...............................  ..............  Attainment/Unclassifiable.
Ulster County..............................  ..............  Attainment/Unclassifiable.
Warren County..............................  ..............  Attainment/Unclassifiable.
Washington County..........................  ..............  Attainment/Unclassifiable.
Wayne County...............................  ..............  Attainment/Unclassifiable.
Westchester County.........................  ..............  Attainment/Unclassifiable.
Wyoming County.............................  ..............  Attainment/Unclassifiable.
Yates County...............................  ..............  Attainment/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 April 9, 2018, unless otherwise noted.
\3\ Cayuga, St. Lawrence, Seneca, and Tompkins Counties will be designated by December 31, 2020.

* * * * *

0
35. Section 81.334 is amended by revising the table entitled ``North
Carolina--2010 Sulfur Dioxide NAAQS (Primary)'' to read as follows:

Sec.  81.334  North Carolina.

* * * * *

                               North Carolina--2010 Sulfur Dioxide NAAQS (Primary)
----------------------------------------------------------------------------------------------------------------
                                                                         Designation
              Designated area               --------------------------------------------------------------------
                                                Date \1\                             Type
----------------------------------------------------------------------------------------------------------------
Brunswick County, NC \2\...................         9/12/16  Unclassifiable.
    Brunswick County
        Lockwood Folly Township, Northwest
         Township, Shallotte Township,
         Smithville Township, Town Creek
         Township, Waccamaw Township
Rest of State: \3\
Alamance County............................  ..............  Attainment/Unclassifiable.
        Each Individual Township
Alexander County...........................  ..............  Attainment/Unclassifiable.
        Each Individual Township
Alleghany County...........................  ..............  Attainment/Unclassifiable.
        Each Individual Township
Anson County...............................  ..............  Attainment/Unclassifiable.
        Each Individual Township
Ashe County................................  ..............  Attainment/Unclassifiable.
        Each Individual Township
Avery County...............................  ..............  Attainment/Unclassifiable.
        Each Individual Township
Beaufort County............................  ..............  Attainment/Unclassifiable.
        Each Individual Township
Bertie County..............................  ..............  Attainment/Unclassifiable.
        Each Individual Township
Bladen County..............................  ..............  Attainment/Unclassifiable.
        Each Individual Township
Buncombe County (part) \4\.................  ..............  Attainment/Unclassifiable.
        All Townships except Limestone
         Township
Burke County...............................  ..............  Attainment/Unclassifiable.
        Each Individual Township
Cabarrus County............................  ..............  Attainment/Unclassifiable.
        Each Individual Township
Caldwell County............................  ..............  Attainment/Unclassifiable.
        Each Individual Township
Camden County..............................  ..............  Attainment/Unclassifiable.
        Each Individual Township
Carteret County............................  ..............  Attainment/Unclassifiable.

        Each Individual Township
Caswell County.............................  ..............  Attainment/Unclassifiable.
        Each Individual Township
Catawba County.............................  ..............  Attainment/Unclassifiable.
        Each Individual Township
Chatham County.............................  ..............  Attainment/Unclassifiable.
        Each Individual Township
Cherokee County............................  ..............  Attainment/Unclassifiable.
        Each Individual Township
Chowan County..............................  ..............  Attainment/Unclassifiable.
        Each Individual Township
Clay County................................  ..............  Attainment/Unclassifiable.
        Each Individual Township
Cleveland County...........................  ..............  Attainment/Unclassifiable.
        Each Individual Township
Columbus County............................  ..............  Attainment/Unclassifiable.
        Each Individual Township
Craven County..............................  ..............  Attainment/Unclassifiable.
        Each Individual Township
Cumberland County..........................  ..............  Attainment/Unclassifiable.
        Each Individual Township
Currituck County...........................  ..............  Attainment/Unclassifiable.
        Each Individual Township
Dare County................................  ..............  Attainment/Unclassifiable.
        Each Individual Township
Davidson County............................  ..............  Attainment/Unclassifiable.
        Each Individual Township
Davie County...............................  ..............  Attainment/Unclassifiable.
        Each Individual Township
Duplin County..............................  ..............  Attainment/Unclassifiable.
        Each Individual Township
Durham County..............................  ..............  Attainment/Unclassifiable.
        Each Individual Township
Edgecombe County...........................  ..............  Attainment/Unclassifiable.
        Each Individual Township
Forsyth County.............................  ..............  Attainment/Unclassifiable.
        Each Individual Township
Franklin County............................  ..............  Attainment/Unclassifiable.
        Each Individual Township
Gaston County..............................  ..............  Attainment/Unclassifiable.
        Each Individual Township
Gates County...............................  ..............  Attainment/Unclassifiable.
        Each Individual Township
Graham County..............................  ..............  Attainment/Unclassifiable.
        Each Individual Township
Granville County...........................  ..............  Attainment/Unclassifiable.
        Each Individual Township
Greene County..............................  ..............  Attainment/Unclassifiable.
        Each Individual Township
Guilford County............................  ..............  Attainment/Unclassifiable.
        Each Individual Township
Halifax County.............................  ..............  Attainment/Unclassifiable.
        Each Individual Township
Harnett County.............................  ..............  Attainment/Unclassifiable.
        Each Individual Township
Haywood County (part) \4\..................  ..............  Attainment/Unclassifiable.
        All Townships except Beaverdam
         Township
Henderson County...........................  ..............  Attainment/Unclassifiable.
        Each Individual Township
Hertford County............................  ..............  Attainment/Unclassifiable.
        Each Individual Township
Hoke County................................  ..............  Attainment/Unclassifiable.
        Each Individual Township
Hyde County................................  ..............  Attainment/Unclassifiable.
        Each Individual Township
Iredell County.............................  ..............  Attainment/Unclassifiable.
        Each Individual Township
Jackson County.............................  ..............  Attainment/Unclassifiable.
        Each Individual Township
Johnston County............................  ..............  Attainment/Unclassifiable.

        Each Individual Township
Jones County...............................  ..............  Attainment/Unclassifiable.
        Each Individual Township
Lee County.................................  ..............  Attainment/Unclassifiable.
        Each Individual Township
Lenoir County..............................  ..............  Attainment/Unclassifiable.
        Each Individual Township
Lincoln County.............................  ..............  Attainment/Unclassifiable.
        Each Individual Township
McDowell County............................  ..............  Attainment/Unclassifiable.
        Each Individual Township
Macon County...............................  ..............  Attainment/Unclassifiable.
        Each Individual Township
Madison County.............................  ..............  Attainment/Unclassifiable.
        Each Individual Township
Martin County..............................  ..............  Attainment/Unclassifiable.
        Each Individual Township
Mecklenburg County.........................  ..............  Attainment/Unclassifiable.
        Each Individual Township
Mitchell County............................  ..............  Attainment/Unclassifiable.
        Each Individual Township
Montgomery County..........................  ..............  Attainment/Unclassifiable.
        Each Individual Township
Moore County...............................  ..............  Attainment/Unclassifiable.
        Each Individual Township
Nash County................................  ..............  Attainment/Unclassifiable.
        Each Individual Township
New Hanover County.........................  ..............  Attainment/Unclassifiable.
        Each Individual Township
Northampton County.........................  ..............  Attainment/Unclassifiable.
        Each Individual Township
Onslow County..............................  ..............  Attainment/Unclassifiable.
        Each Individual Township
Orange County..............................  ..............  Attainment/Unclassifiable.
        Each Individual Township
Pamlico County.............................  ..............  Attainment/Unclassifiable.
        Each Individual Township
Pasquotank County..........................  ..............  Attainment/Unclassifiable.
        Each Individual Township
Pender County..............................  ..............  Attainment/Unclassifiable.
        Each Individual Township
Perquimans County..........................  ..............  Attainment/Unclassifiable.
        Each Individual Township
Person County (part) \4\...................  ..............  Attainment/Unclassifiable.
        All Townships except Cunningham
         Township
Pitt County................................  ..............  Attainment/Unclassifiable.
        Each Individual Township
Polk County................................  ..............  Attainment/Unclassifiable.
        Each Individual Township
Randolph County............................  ..............  Attainment/Unclassifiable.
        Each Individual Township
Richmond County............................  ..............  Attainment/Unclassifiable.
        Each Individual Township
Robeson County.............................  ..............  Attainment/Unclassifiable.
        Each Individual Township
Rockingham County..........................  ..............  Attainment/Unclassifiable.
        Each Individual Township
Rowan County...............................  ..............  Attainment/Unclassifiable.
        Each Individual Township
Rutherford County..........................  ..............  Attainment/Unclassifiable.
        Each Individual Township
Sampson County.............................  ..............  Attainment/Unclassifiable.
        Each Individual Township
Scotland County............................  ..............  Attainment/Unclassifiable.
        Each Individual Township
Stanly County..............................  ..............  Attainment/Unclassifiable.
        Each Individual Township
Stokes County..............................  ..............  Attainment/Unclassifiable.
        Each Individual Township
Surry County...............................  ..............  Attainment/Unclassifiable.

        Each Individual Township
Swain County...............................  ..............  Attainment/Unclassifiable.
        Each Individual Township
Transylvania County........................  ..............  Attainment/Unclassifiable.
        Each Individual Township
Tyrrell County.............................  ..............  Attainment/Unclassifiable.
        Each Individual Township
Union County...............................  ..............  Attainment/Unclassifiable.
        Each Individual Township
Vance County...............................  ..............  Attainment/Unclassifiable.
        Each Individual Township
Wake County................................  ..............  Attainment/Unclassifiable.
        Each Individual Township
Warren County..............................  ..............  Attainment/Unclassifiable.
        Each Individual Township
Washington County..........................  ..............  Attainment/Unclassifiable.
        Each Individual Township
Watauga County.............................  ..............  Attainment/Unclassifiable.
        Each Individual Township
Wayne County...............................  ..............  Attainment/Unclassifiable.
        Each Individual Township
Wilkes County..............................  ..............  Attainment/Unclassifiable.
        Each Individual Township
Wilson County..............................  ..............  Attainment/Unclassifiable.
        Each Individual Township
Yadkin County..............................  ..............  Attainment/Unclassifiable.
        Each Individual Township
Yancey County..............................  ..............  Attainment/Unclassifiable.
        Each Individual Township
----------------------------------------------------------------------------------------------------------------
\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.
\4\ The remaining portions of Buncombe, Haywood, and Person Counties will be designated by December 31, 2020.

* * * * *

0
36. Section 81.335 is amended by revising the table entitled ``North
Dakota--2010 Sulfur Dioxide NAAQS (Primary)'' to read as follows:

Sec.  81.335   North Dakota.

* * * * *

                                North Dakota--2010 Sulfur Dioxide NAAQS (Primary)
----------------------------------------------------------------------------------------------------------------
                                                                         Designation
            Designated area \1\             --------------------------------------------------------------------
                                                Date \2\                             Type
----------------------------------------------------------------------------------------------------------------
McLean County/Eastern Mercer County, ND....         9/12/16  Attainment/Unclassifiable.
    McLean County
    Mercer County (part)
        Area east of CR-37/ND 31, east/
         north of ND 200 ALT, west of the
         eastern border of Mercer County/
         Missouri River, south of the Knife
         River National Historic Site.
Central Mercer County, ND..................         9/12/16  Attainment/Unclassifiable.
    Mercer County (part)
        Area west of ND 49/61st Ave SW,
         north of Co. Rd 15/17th St. SW,
         east of Co. Rd 13, south and east
         of the town Zap, south of 8th St.
         SW/ND 200
Rest of State: \3\.........................  ..............  Attainment/Unclassifiable.
    Adams County
    Barnes County
    Benson County
    Billings County
    Bottineau County
    Bowman County
    Burke County
    Burleigh County
    Cass County
    Cavalier County
    Dickey County
    Divide County

    Dunn County
    Eddy County
    Emmons County
    Foster County
    Golden Valley County
    Grand Forks County
    Grant County
    Griggs County
    Hettinger County
    Kidder County
    LaMoure County
    Logan County
    McHenry County
    McIntosh County
    McKenzie County
    Mercer County (part) (remainder)
    Morton County
    Mountrail County
    Nelson County
    Oliver County
    Pembina County
    Pierce County
    Ramsey County
    Ransom County
    Renville County
    Richland County
    Rolette County
    Sargent County
    Sheridan County
    Sioux County
    Slope County
    Stark County
    Steele County
    Stutsman County
    Towner County
    Traill County
    Walsh County
    Ward County
    Wells County
----------------------------------------------------------------------------------------------------------------
\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 April 9, 2018, unless otherwise noted.
\3\ Williams County will be designated by December 31, 2020.

* * * * *

0
37. Section 81.336 is amended by revising the table entitled ``Ohio--
2010 Sulfur Dioxide NAAQS (Primary)'' to read as follows:

Sec.  81.336   Ohio.

* * * * *

                                    Ohio--2010 Sulfur Dioxide NAAQS (Primary)
----------------------------------------------------------------------------------------------------------------
                                                                         Designation
            Designated area \1\             --------------------------------------------------------------------
                                                Date \2\                             Type
----------------------------------------------------------------------------------------------------------------
Campbell-Clermont Counties, KY-OH..........        11/21/16  Attainment.
    Clermont County (part)
        Pierce Township
Lake County, OH............................         10/4/13  Nonattainment.
    Lake County
Muskingum River, OH........................         10/4/13  Nonattainment.
    Morgan County (part)
        Center Township
    Washington County (part)
        Waterford Township
Steubenville, OH-WV........................         10/4/13  Nonattainment.

    Jefferson County (part)
        Cross Creek Township, Steubenville
         Township, Warren Township, Wells
         Township, Steubenville City
Gallia County, OH..........................         9/12/16  Unclassifiable.
    Gallia County
    Meigs County (part)
        Bedford, Columbia, Rutland, Salem,
         Salisbury, and Scipio Townships
Clermont County, Ohio \2\..................         9/12/16  Attainment/Unclassifiable.
    Clermont County (part)
        Clermont County excluding Pierce
         Township
Adams County...............................  ..............  Attainment/Unclassifiable.
Allen County...............................  ..............  Attainment/Unclassifiable.
Ashland County.............................  ..............  Attainment/Unclassifiable.
Ashtabula County...........................  ..............  Attainment/Unclassifiable.
Athens County..............................  ..............  Attainment/Unclassifiable.
Auglaize County............................  ..............  Attainment/Unclassifiable.
Belmont County.............................  ..............  Attainment/Unclassifiable.
Brown County...............................  ..............  Attainment/Unclassifiable.
Butler County..............................  ..............  Attainment/Unclassifiable
Carroll County.............................  ..............  Attainment/Unclassifiable.
Champaign County...........................  ..............  Attainment/Unclassifiable.
Clark County...............................  ..............  Attainment/Unclassifiable.
Clinton County.............................  ..............  Attainment/Unclassifiable.
Columbiana County..........................  ..............  Attainment/Unclassifiable.
Coshocton County...........................  ..............  Attainment/Unclassifiable.
Crawford County............................  ..............  Attainment/Unclassifiable.
Cuyahoga County............................  ..............  Attainment/Unclassifiable.
Darke County...............................  ..............  Attainment/Unclassifiable.
Defiance County............................  ..............  Attainment/Unclassifiable.
Delaware County............................  ..............  Attainment/Unclassifiable.
Erie County................................  ..............  Attainment/Unclassifiable.
Fairfield County...........................  ..............  Attainment/Unclassifiable.
Fayette County.............................  ..............  Attainment/Unclassifiable.
Franklin County............................  ..............  Attainment/Unclassifiable.
Fulton County..............................  ..............  Attainment/Unclassifiable.
Geauga County..............................  ..............  Attainment/Unclassifiable.
Greene County..............................  ..............  Attainment/Unclassifiable.
Guernsey County............................  ..............  Attainment/Unclassifiable.
Hamilton County............................  ..............  Attainment/Unclassifiable.
Hancock County.............................  ..............  Attainment/Unclassifiable.
Hardin County..............................  ..............  Attainment/Unclassifiable.
Harrison County............................  ..............  Attainment/Unclassifiable.
Henry County...............................  ..............  Attainment/Unclassifiable.
Highland County............................  ..............  Attainment/Unclassifiable.
Hocking County.............................  ..............  Attainment/Unclassifiable.
Holmes County..............................  ..............  Attainment/Unclassifiable.
Huron County...............................  ..............  Attainment/Unclassifiable.
Jackson County.............................  ..............  Attainment/Unclassifiable.
Jefferson County (part) (remainder)........  ..............  Attainment/Unclassifiable.
Knox County................................  ..............  Attainment/Unclassifiable.
Lawrence County............................  ..............  Attainment/Unclassifiable.
Licking County.............................  ..............  Attainment/Unclassifiable.
Logan County...............................  ..............  Attainment/Unclassifiable.
Lorain County..............................  ..............  Attainment/Unclassifiable.
Lucas County...............................  ..............  Attainment/Unclassifiable.
Madison County.............................  ..............  Attainment/Unclassifiable.
Mahoning County............................  ..............  Attainment/Unclassifiable.
Marion County..............................  ..............  Attainment/Unclassifiable.
Medina County..............................  ..............  Attainment/Unclassifiable.
Meigs County (part) (remainder)............  ..............  Attainment/Unclassifiable.
Mercer County..............................  ..............  Attainment/Unclassifiable.
Miami County...............................  ..............  Attainment/Unclassifiable.
Monroe County..............................  ..............  Attainment/Unclassifiable.
Montgomery County..........................  ..............  Attainment/Unclassifiable.
Morgan County (part) (remainder)...........  ..............  Attainment/Unclassifiable.
Morrow County..............................  ..............  Attainment/Unclassifiable.
Muskingum County...........................  ..............  Attainment/Unclassifiable.
Noble County...............................  ..............  Attainment/Unclassifiable.
Ottawa County..............................  ..............  Attainment/Unclassifiable.
Paulding County............................  ..............  Attainment/Unclassifiable.

Perry County...............................  ..............  Attainment/Unclassifiable.
Pickaway County............................  ..............  Attainment/Unclassifiable.
Pike County................................  ..............  Attainment/Unclassifiable.
Portage County.............................  ..............  Attainment/Unclassifiable.
Preble County..............................  ..............  Attainment/Unclassifiable.
Putnam County..............................  ..............  Attainment/Unclassifiable.
Richland County............................  ..............  Attainment/Unclassifiable.
Ross County................................  ..............  Attainment/Unclassifiable.
Sandusky County............................  ..............  Attainment/Unclassifiable.
Scioto County..............................  ..............  Attainment/Unclassifiable.
Seneca County..............................  ..............  Attainment/Unclassifiable.
Shelby County..............................  ..............  Attainment/Unclassifiable.
Stark County...............................  ..............  Attainment/Unclassifiable.
Summit County..............................  ..............  Attainment/Unclassifiable.
Trumbull County............................  ..............  Attainment/Unclassifiable.
Tuscarawas County..........................  ..............  Attainment/Unclassifiable.
Union County...............................  ..............  Attainment/Unclassifiable.
Van Wert County............................  ..............  Attainment/Unclassifiable.
Vinton County..............................  ..............  Attainment/Unclassifiable.
Warren County..............................  ..............  Attainment/Unclassifiable.
Washington County (part) (remainder).......  ..............  Attainment/Unclassifiable.
Wayne County...............................  ..............  Attainment/Unclassifiable.
Williams County............................  ..............  Attainment/Unclassifiable.
Wood County................................  ..............  Attainment/Unclassifiable.
Wyandot County.............................  ..............  Attainment/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 April 9, 2018, unless otherwise noted.

* * * * *

0
38. Section 81.337 is amended by revising the table entitled
``Oklahoma--2010 Sulfur Dioxide NAAQS (Primary)'' to read as follows:

Sec.  81.337   Oklahoma.

* * * * *

                                  Oklahoma--2010 Sulfur Dioxide NAAQS (Primary)
----------------------------------------------------------------------------------------------------------------
                                                                         Designation
            Designated area 1 3             --------------------------------------------------------------------
                                                Date \2\                             Type
----------------------------------------------------------------------------------------------------------------
Adair County...............................  ..............  Attainment/Unclassifiable.
Alfalfa County.............................  ..............  Attainment/Unclassifiable.
Atoka County...............................  ..............  Attainment/Unclassifiable.
Beaver County..............................  ..............  Attainment/Unclassifiable.
Beckham County.............................  ..............  Attainment/Unclassifiable.
Blaine County..............................  ..............  Attainment/Unclassifiable.
Bryan County...............................  ..............  Attainment/Unclassifiable.
Caddo County...............................  ..............  Attainment/Unclassifiable.
Canadian County............................  ..............  Attainment/Unclassifiable.
Carter County..............................  ..............  Attainment/Unclassifiable.
Cherokee County............................  ..............  Attainment/Unclassifiable.
Choctaw County.............................         9/12/16  Attainment/Unclassifiable.
Cimarron County............................  ..............  Attainment/Unclassifiable.
Cleveland County...........................  ..............  Attainment/Unclassifiable.
Coal County................................  ..............  Attainment/Unclassifiable.
Comanche County............................  ..............  Attainment/Unclassifiable.
Cotton County..............................  ..............  Attainment/Unclassifiable.
Craig County...............................  ..............  Attainment/Unclassifiable.
Creek County...............................  ..............  Attainment/Unclassifiable.
Custer County..............................  ..............  Attainment/Unclassifiable.
Delaware County............................  ..............  Attainment/Unclassifiable.
Dewey County...............................  ..............  Attainment/Unclassifiable.
Ellis County...............................  ..............  Attainment/Unclassifiable.
Garvin County..............................  ..............  Attainment/Unclassifiable.
Grady County...............................  ..............  Attainment/Unclassifiable.
Grant County...............................  ..............  Attainment/Unclassifiable.
Greer County...............................  ..............  Attainment/Unclassifiable.
Harmon County..............................  ..............  Attainment/Unclassifiable.

Harper County..............................  ..............  Attainment/Unclassifiable.
Haskell County.............................  ..............  Attainment/Unclassifiable.
Hughes County..............................  ..............  Attainment/Unclassifiable.
Jackson County.............................  ..............  Attainment/Unclassifiable.
Jefferson County...........................  ..............  Attainment/Unclassifiable.
Johnston County............................  ..............  Attainment/Unclassifiable.
Kay County.................................  ..............  Attainment/Unclassifiable.
Kingfisher County..........................  ..............  Attainment/Unclassifiable.
Kiowa County...............................  ..............  Attainment/Unclassifiable.
Latimer County.............................  ..............  Attainment/Unclassifiable.
Le Flore County............................  ..............  Attainment/Unclassifiable.
Lincoln County.............................  ..............  Attainment/Unclassifiable.
Logan County...............................  ..............  Attainment/Unclassifiable.
Love County................................  ..............  Attainment/Unclassifiable.
McClain County.............................  ..............  Attainment/Unclassifiable.
McCurtain County...........................  ..............  Attainment/Unclassifiable.
McIntosh County............................  ..............  Attainment/Unclassifiable.
Major County...............................  ..............  Attainment/Unclassifiable.
Marshall County............................  ..............  Attainment/Unclassifiable.
Murray County..............................  ..............  Attainment/Unclassifiable.
Noble County...............................         9/12/16  Attainment/Unclassifiable.
Nowata County..............................  ..............  Attainment/Unclassifiable.
Okfuskee County............................  ..............  Attainment/Unclassifiable.
Oklahoma County............................  ..............  Attainment/Unclassifiable.
Okmulgee County............................  ..............  Attainment/Unclassifiable.
Osage County...............................  ..............  Attainment/Unclassifiable.
Ottawa County..............................  ..............  Attainment/Unclassifiable.
Pawnee County..............................  ..............  Attainment/Unclassifiable.
Payne County...............................  ..............  Attainment/Unclassifiable.
Pittsburg County...........................  ..............  Attainment/Unclassifiable.
Pontotoc County............................  ..............  Attainment/Unclassifiable.
Pottawatomie County........................  ..............  Attainment/Unclassifiable.
Pushmataha County..........................  ..............  Attainment/Unclassifiable.
Roger Mills County.........................  ..............  Attainment/Unclassifiable.
Rogers County..............................  ..............  Attainment/Unclassifiable.
Seminole County............................  ..............  Attainment/Unclassifiable.
Sequoyah County............................  ..............  Attainment/Unclassifiable.
Stephens County............................  ..............  Attainment/Unclassifiable.
Texas County...............................  ..............  Attainment/Unclassifiable.
Tillman County.............................  ..............  Attainment/Unclassifiable.
Tulsa County...............................  ..............  Attainment/Unclassifiable.
Wagoner County.............................  ..............  Attainment/Unclassifiable.
Washington County..........................  ..............  Attainment/Unclassifiable.
Washita County.............................  ..............  Attainment/Unclassifiable.
Woods County...............................  ..............  Attainment/Unclassifiable.
Woodward County............................  ..............  Attainment/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 April 9, 2018, unless otherwise noted.
\3\ Garfield and Mayes Counties will be designated by December 31, 2020.

* * * * *

0
39. Section 81.338 is amended by adding a table titled ``Oregon--2010
Sulfur Dioxide NAAQS (Primary)'' following the table titled ``Oregon--
1971 Sulfur Dioxide NAAQS (Primary and Secondary)'' to read as follows:

Sec.  81.338   Oregon.

* * * * *

                                   Oregon--2010 Sulfur Dioxide NAAQS (Primary)
----------------------------------------------------------------------------------------------------------------
                                                                         Designation
            Designated area \1\             --------------------------------------------------------------------
                                                Date \2\                             Type
----------------------------------------------------------------------------------------------------------------
Entire State...............................  ..............  Attainment/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 April 9, 2018, unless otherwise noted.

* * * * *

0
40. Section 81.339 is amended by revising the table entitled
``Pennsylvania--2010 Sulfur Dioxide NAAQS (Primary)'' to read as
follows:

Sec.  81.339  Pennsylvania.

* * * * *

                                Pennsylvania--2010 Sulfur Dioxide NAAQS (Primary)
----------------------------------------------------------------------------------------------------------------
                                                                         Designation
            Designated area 1 3             --------------------------------------------------------------------
                                                Date \2\                             Type
----------------------------------------------------------------------------------------------------------------
Allegheny, PA
    Allegheny County (part)................         10/4/13  Nonattainment.
        The area consisting of:
        Borough of Braddock
        Borough of Dravosburg
        Borough of East McKeesport
        Borough of East Pittsburgh
        Borough of Elizabeth
        Borough of Glassport
        Borough of Jefferson Hills
        Borough of Liberty
        Borough of Lincoln
        Borough of North Braddock
        Borough of Pleasant Hills
        Borough of Port Vue
        Borough of Versailles
        Borough of Wall
        Borough of West Elizabeth
        Borough of West Mifflin
        City of Clairton
        City of Duquesne
        City of McKeesport
        Elizabeth Township
        Forward Township
        North Versailles Township
Beaver, PA
    Beaver County (part)...................         10/4/13  Nonattainment.
        Area consisting of Industry
         Borough, Shippingport Borough,
         Midland Borough, Brighton
         Township, Potter Township and
         Vanport Township
Indiana, PA................................         10/4/13  Nonattainment.
    Indiana County
    Armstrong County (part)
        Area consisting of Plumcreek
         Township, South Bend Township, and
         Elderton Borough
Warren, PA
    Warren County (part)...................         10/4/13  Nonattainment.
        Area consisting of Conewango
         Township, Glade Township, Pleasant
         Township, and the City of Warren
Allegheny (part)...........................  ..............  Unclassifiable.
    Remainder of County
Cambria County.............................  ..............  Unclassifiable.
Carbon-Schuylkill Area.....................  ..............  Unclassifiable.
    Carbon County
    Schuylkill County
Clearfield County..........................  ..............  Unclassifiable.
Lawrence County............................  ..............  Unclassifiable.
Lehigh-Northampton Area....................  ..............  Unclassifiable.
    Lehigh County
    Northampton County
Adams County...............................  ..............  Attainment/Unclassifiable.
Armstrong County (part)....................  ..............  Attainment/Unclassifiable.
    Remainder of County
Beaver County (part).......................  ..............  Attainment/Unclassifiable.
    Remainder of County
Bedford County.............................  ..............  Attainment/Unclassifiable.
Berks County...............................  ..............  Attainment/Unclassifiable.
Blair County...............................  ..............  Attainment/Unclassifiable.
Bradford County............................  ..............  Attainment/Unclassifiable.
Bucks County...............................  ..............  Attainment/Unclassifiable.
Butler County..............................  ..............  Attainment/Unclassifiable.
Cameron County.............................  ..............  Attainment/Unclassifiable.
Centre County..............................  ..............  Attainment/Unclassifiable.
Chester County.............................  ..............  Attainment/Unclassifiable.
Clarion County.............................  ..............  Attainment/Unclassifiable.
Clinton County.............................  ..............  Attainment/Unclassifiable.
Columbia County............................  ..............  Attainment/Unclassifiable.

Crawford County............................  ..............  Attainment/Unclassifiable.
Cumberland County..........................  ..............  Attainment/Unclassifiable.
Dauphin County.............................  ..............  Attainment/Unclassifiable.
Elk County.................................  ..............  Attainment/Unclassifiable.
Erie County................................  ..............  Attainment/Unclassifiable.
Fayette County.............................  ..............  Attainment/Unclassifiable.
Forest County..............................  ..............  Attainment/Unclassifiable.
Franklin County............................  ..............  Attainment/Unclassifiable.
Fulton County..............................  ..............  Attainment/Unclassifiable.
Greene County..............................  ..............  Attainment/Unclassifiable.
Huntingdon County..........................  ..............  Attainment/Unclassifiable.
Jefferson County...........................  ..............  Attainment/Unclassifiable.
Juniata County.............................  ..............  Attainment/Unclassifiable.
Lackawanna County..........................  ..............  Attainment/Unclassifiable.
Lancaster County...........................  ..............  Attainment/Unclassifiable.
Lebanon County.............................  ..............  Attainment/Unclassifiable.
Luzerne County.............................  ..............  Attainment/Unclassifiable.
Lycoming County............................  ..............  Attainment/Unclassifiable.
McKean County..............................  ..............  Attainment/Unclassifiable.
Mercer County..............................  ..............  Attainment/Unclassifiable.
Mifflin County.............................  ..............  Attainment/Unclassifiable.
Monroe County..............................  ..............  Attainment/Unclassifiable.
Montgomery County..........................  ..............  Attainment/Unclassifiable.
Montour County.............................  ..............  Attainment/Unclassifiable.
Northumberland County......................  ..............  Attainment/Unclassifiable.
Perry County...............................  ..............  Attainment/Unclassifiable.
Philadelphia-Delaware......................  ..............  Attainment/Unclassifiable.
    Delaware County
    Philadelphia County
Pike County................................  ..............  Attainment/Unclassifiable.
Potter County..............................  ..............  Attainment/Unclassifiable.
Snyder County..............................  ..............  Attainment/Unclassifiable.
Somerset County............................  ..............  Attainment/Unclassifiable.
Sullivan County............................  ..............  Attainment/Unclassifiable.
Susquehanna County.........................  ..............  Attainment/Unclassifiable.
Tioga County...............................  ..............  Attainment/Unclassifiable.
Union County...............................  ..............  Attainment/Unclassifiable.
Venango County.............................  ..............  Attainment/Unclassifiable.
Warren County (part).......................  ..............  Attainment/Unclassifiable.
    Remainder of County
Washington County..........................  ..............  Attainment/Unclassifiable.
Wayne County...............................  ..............  Attainment/Unclassifiable.
Westmoreland County........................  ..............  Attainment/Unclassifiable.
Wyoming County.............................  ..............  Attainment/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 April 9, 2018, unless otherwise noted.
\3\ York County will be designated by December 31, 2020.

* * * * *

0
41. Section 81.340 is amended by adding a table titled ``Rhode Island
--2010 Sulfur Dioxide NAAQS (Primary)'' following the table titled
``Rhode Island --1971 Sulfur Dioxide NAAQS (Primary and Secondary)'' to
read as follows:

Sec.  81.340  Rhode Island.

* * * * *

                                Rhode Island--2010 Sulfur Dioxide NAAQS (Primary)
----------------------------------------------------------------------------------------------------------------
                                                                         Designation
            Designated area \1\             --------------------------------------------------------------------
                                                Date \2\                             Type
----------------------------------------------------------------------------------------------------------------
State of Rhode Island......................  ..............  Attainment/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 April 9, 2018, unless otherwise noted.

* * * * *

0
42. Section 81.341 is amended by adding a new table titled ``South
Carolina--2010 Sulfur Dioxide NAAQS (Primary)'' following the table
titled ``South Carolina--1971 Sulfur Dioxide NAAQS (Primary and
Secondary)'' to read as follows:

Sec.  81.341  South Carolina.

* * * * *

                               South Carolina--2010 Sulfur Dioxide NAAQS (Primary)
----------------------------------------------------------------------------------------------------------------
                                                                         Designation
            Designated area \1\             --------------------------------------------------------------------
                                                Date \2\                             Type
----------------------------------------------------------------------------------------------------------------
Abbeville County...........................  ..............  Attainment/Unclassifiable.
Aiken County...............................  ..............  Attainment/Unclassifiable.
Allendale County...........................  ..............  Attainment/Unclassifiable.
Anderson County............................  ..............  Attainment/Unclassifiable.
Bamberg County.............................  ..............  Attainment/Unclassifiable.
Barnwell County............................  ..............  Attainment/Unclassifiable.
Beaufort County............................  ..............  Attainment/Unclassifiable.
Berkeley County............................  ..............  Attainment/Unclassifiable.
Calhoun County.............................  ..............  Attainment/Unclassifiable.
Charleston County..........................  ..............  Attainment/Unclassifiable.
Cherokee County............................  ..............  Attainment/Unclassifiable.
Chester County.............................  ..............  Attainment/Unclassifiable.
Chesterfield County........................  ..............  Attainment/Unclassifiable.
Clarendon County...........................  ..............  Attainment/Unclassifiable.
Colleton County............................  ..............  Attainment/Unclassifiable.
Darlington County..........................  ..............  Attainment/Unclassifiable.
Dillon County..............................  ..............  Attainment/Unclassifiable.
Dorchester County..........................  ..............  Attainment/Unclassifiable.
Edgefield County...........................  ..............  Attainment/Unclassifiable.
Fairfield County...........................  ..............  Attainment/Unclassifiable.
Florence County............................  ..............  Attainment/Unclassifiable.
Georgetown County..........................  ..............  Attainment/Unclassifiable.
Greenville County..........................  ..............  Attainment/Unclassifiable.
Greenwood County...........................  ..............  Attainment/Unclassifiable.
Hampton County.............................  ..............  Attainment/Unclassifiable.
Horry County...............................  ..............  Attainment/Unclassifiable.
Jasper County..............................  ..............  Attainment/Unclassifiable.
Kershaw County.............................  ..............  Attainment/Unclassifiable.
Lancaster County...........................  ..............  Attainment/Unclassifiable.
Laurens County.............................  ..............  Attainment/Unclassifiable.
Lee County.................................  ..............  Attainment/Unclassifiable.
Lexington County...........................  ..............  Attainment/Unclassifiable.
Marion County..............................  ..............  Attainment/Unclassifiable.
Marlboro County............................  ..............  Attainment/Unclassifiable.
McCormick County...........................  ..............  Attainment/Unclassifiable.
Newberry County............................  ..............  Attainment/Unclassifiable.
Oconee County..............................  ..............  Attainment/Unclassifiable.
Orangeburg County..........................  ..............  Attainment/Unclassifiable.
Pickens County.............................  ..............  Attainment/Unclassifiable.
Richland County............................  ..............  Attainment/Unclassifiable.
Saluda County..............................  ..............  Attainment/Unclassifiable.
Spartanburg County.........................  ..............  Attainment/Unclassifiable.
Sumter County..............................  ..............  Attainment/Unclassifiable.
Union County...............................  ..............  Attainment/Unclassifiable.
Williamsburg County........................  ..............  Attainment/Unclassifiable.
York County................................  ..............  Attainment/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 April 9, 2018, unless otherwise noted.

* * * * *

0
43. Section 81.342 is amended by revising the table entitled ``South
Dakota--2010 Sulfur Dioxide NAAQS (Primary)'' to read as follows:

Sec.  81.342  South Dakota.

* * * * *

                                South Dakota--2010 Sulfur Dioxide NAAQS (Primary)
----------------------------------------------------------------------------------------------------------------
                                                                         Designation
            Designated area \1\             --------------------------------------------------------------------
                                                Date \2\                             Type
----------------------------------------------------------------------------------------------------------------
Statewide:.................................  ..............  Attainment/Unclassifiable.

    Aurora County
    Beadle County
    Bennett County
    Bon Homme County
    Brookings County
    Brown County
    Brule County
    Buffalo County
    Butte County
    Campbell County
    Charles Mix County
    Clark County
    Clay County
    Codington County
    Corson County
    Custer County
    Davison County
    Day County
    Deuel County
    Dewey County
    Douglas County
    Edmunds County
    Fall River County
    Faulk County
    Grant County...........................         9/12/16  Attainment/Unclassifiable.
    Gregory County
    Haakon County
    Hamlin County
    Hand County
    Hanson County
    Harding County
    Hughes County
    Hutchinson County
    Hyde County
    Jackson County
    Jerauld County
    Jones County
    Kingsbury County
    Lake County
    Lawrence County
    Lincoln County
    Lyman County
    McCook County
    McPherson County
    Marshall County
    Meade County
    Mellette County
    Miner County
    Minnehaha County
    Moody County
    Oglala Lakota County
    Pennington County
    Perkins County
    Potter County
    Roberts County
    Sanborn County
    Spink County
    Stanley County
    Sully County
    Todd County
    Tripp County
    Turner County
    Union County
    Walworth County
    Yankton County
    Ziebach County
----------------------------------------------------------------------------------------------------------------
\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 April 9, 2018, unless otherwise noted.

* * * * *

0
44. Section 81.343 is amended by revising the table entitled
``Tennessee--2010 Sulfur Dioxide NAAQS (Primary)'' to read as follows:

Sec.  81.343   Tennessee.

* * * * *

                                 Tennessee--2010 Sulfur Dioxide NAAQS (Primary)
----------------------------------------------------------------------------------------------------------------
                                                                         Designation
              Designated area               --------------------------------------------------------------------
                                                Date \1\                             Type
----------------------------------------------------------------------------------------------------------------
Sullivan County, TN \2\....................         10/4/13  Nonattainment.
    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 \2\......................         9/12/16  Unclassifiable.
    Sumner County
Rest of State: \3\
    Anderson County........................  ..............  Attainment/Unclassifiable.
    Bedford County.........................  ..............  Attainment/Unclassifiable.
    Benton County..........................  ..............  Attainment/Unclassifiable.
    Bledsoe County.........................  ..............  Attainment/Unclassifiable.
    Blount County..........................  ..............  Attainment/Unclassifiable.
    Bradley County.........................  ..............  Attainment/Unclassifiable.
    Campbell County........................  ..............  Attainment/Unclassifiable.
    Cannon County..........................  ..............  Attainment/Unclassifiable.
    Carroll County.........................  ..............  Attainment/Unclassifiable.
    Carter County..........................  ..............  Attainment/Unclassifiable.
    Cheatham County........................  ..............  Attainment/Unclassifiable.
    Chester County.........................  ..............  Attainment/Unclassifiable.
    Claiborne County.......................  ..............  Attainment/Unclassifiable.
    Clay County............................  ..............  Attainment/Unclassifiable.
    Cocke County...........................  ..............  Attainment/Unclassifiable.
    Coffee County..........................  ..............  Attainment/Unclassifiable.
    Crockett County........................  ..............  Attainment/Unclassifiable.
    Cumberland County......................  ..............  Attainment/Unclassifiable.
    Davidson County........................  ..............  Attainment/Unclassifiable.
    Decatur County.........................  ..............  Attainment/Unclassifiable.
    DeKalb County..........................  ..............  Attainment/Unclassifiable.
    Dickson County.........................  ..............  Attainment/Unclassifiable.
    Dyer County............................  ..............  Attainment/Unclassifiable.
    Fayette County.........................  ..............  Attainment/Unclassifiable.
    Fentress County........................  ..............  Attainment/Unclassifiable.
    Franklin County........................  ..............  Attainment/Unclassifiable.
    Gibson County..........................  ..............  Attainment/Unclassifiable.
    Giles County...........................  ..............  Attainment/Unclassifiable.
    Grainger County........................  ..............  Attainment/Unclassifiable.
    Greene County..........................  ..............  Attainment/Unclassifiable.
    Grundy County..........................  ..............  Attainment/Unclassifiable.
    Hamblen County.........................  ..............  Attainment/Unclassifiable.
    Hamilton County........................  ..............  Attainment/Unclassifiable.
    Hancock County.........................  ..............  Attainment/Unclassifiable.
    Hardeman County........................  ..............  Attainment/Unclassifiable.
    Hardin County..........................  ..............  Attainment/Unclassifiable.
    Hawkins County.........................  ..............  Attainment/Unclassifiable.
    Haywood County.........................  ..............  Attainment/Unclassifiable.
    Henderson County.......................  ..............  Attainment/Unclassifiable.
    Henry County...........................  ..............  Attainment/Unclassifiable.
    Hickman County.........................  ..............  Attainment/Unclassifiable.
    Houston County.........................  ..............  Attainment/Unclassifiable.
    Humphreys County.......................  ..............  Attainment/Unclassifiable.
    Jackson County.........................  ..............  Attainment/Unclassifiable.
    Jefferson County.......................  ..............  Attainment/Unclassifiable.
    Johnson County.........................  ..............  Attainment/Unclassifiable.
    Knox County............................  ..............  Attainment/Unclassifiable.
    Lake County............................  ..............  Attainment/Unclassifiable.
    Lauderdale County......................  ..............  Attainment/Unclassifiable.
    Lawrence County........................  ..............  Attainment/Unclassifiable.
    Lewis County...........................  ..............  Attainment/Unclassifiable.
    Lincoln County.........................  ..............  Attainment/Unclassifiable.
    Loudon County..........................  ..............  Attainment/Unclassifiable.
    Macon County...........................  ..............  Attainment/Unclassifiable.
    Madison County.........................  ..............  Attainment/Unclassifiable.
    Marion County..........................  ..............  Attainment/Unclassifiable.
    Marshall County........................  ..............  Attainment/Unclassifiable.
    Maury County...........................  ..............  Attainment/Unclassifiable.
    McMinn County..........................  ..............  Attainment/Unclassifiable.

    McNairy County.........................  ..............  Attainment/Unclassifiable.
    Meigs County...........................  ..............  Attainment/Unclassifiable.
    Monroe County..........................  ..............  Attainment/Unclassifiable.
    Montgomery County......................  ..............  Attainment/Unclassifiable.
    Moore County...........................  ..............  Attainment/Unclassifiable.
    Morgan County..........................  ..............  Attainment/Unclassifiable.
    Obion County...........................  ..............  Attainment/Unclassifiable.
    Overton County.........................  ..............  Attainment/Unclassifiable.
    Perry County...........................  ..............  Attainment/Unclassifiable.
    Pickett County.........................  ..............  Attainment/Unclassifiable.
    Polk County............................  ..............  Attainment/Unclassifiable.
    Putnam County..........................  ..............  Attainment/Unclassifiable.
    Rhea County............................  ..............  Attainment/Unclassifiable.
    Roane County...........................  ..............  Attainment/Unclassifiable.
    Robertson County.......................  ..............  Attainment/Unclassifiable.
    Rutherford County......................  ..............  Attainment/Unclassifiable.
    Scott County...........................  ..............  Attainment/Unclassifiable.
    Sequatchie County......................  ..............  Attainment/Unclassifiable.
    Sevier County..........................  ..............  Attainment/Unclassifiable.
    Shelby County..........................  ..............  Attainment/Unclassifiable.
    Smith County...........................  ..............  Attainment/Unclassifiable.
    Stewart County.........................  ..............  Attainment/Unclassifiable.
    Sullivan County (part) (remainder).....  ..............  Attainment/Unclassifiable.
    Tipton County..........................  ..............  Attainment/Unclassifiable.
    Trousdale County.......................  ..............  Attainment/Unclassifiable.
    Unicoi County..........................  ..............  Attainment/Unclassifiable.
    Union County...........................  ..............  Attainment/Unclassifiable.
    Van Buren County.......................  ..............  Attainment/Unclassifiable.
    Warren County..........................  ..............  Attainment/Unclassifiable.
    Washington County......................  ..............  Attainment/Unclassifiable.
    Wayne County...........................  ..............  Attainment/Unclassifiable.
    Weakley County.........................  ..............  Attainment/Unclassifiable.
    White County...........................  ..............  Attainment/Unclassifiable.
    Williamson County......................  ..............  Attainment/Unclassifiable.
    Wilson County..........................  ..............  Attainment/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.

* * * * *

0
45. Section 81.344 is amended by revising the table entitled ``Texas--
2010 Sulfur Dioxide NAAQS (Primary)'' to read as follows:

Sec.  81.344   Texas.

* * * * *

                                   Texas--2010 Sulfur Dioxide NAAQS (Primary)
----------------------------------------------------------------------------------------------------------------
                                                                         Designation
          Designated area \1\ \3\           --------------------------------------------------------------------
                                                Date \2\                             Type
----------------------------------------------------------------------------------------------------------------
Freestone and Anderson Counties, TX
    Freestone County (part) and Anderson            1/12/17  Nonattainment.
     County (part).
        Those portions of Freestone and      ..............  ...................................................
         Anderson Counties encompassed by
         the rectangle with the vertices
         using Universal Traverse Mercator
         (UTM) coordinates in UTM zone 14
         with datum NAD83 as follows: (1)
         Vertices--UTM Easting (m)
         766752.69, UTM Northing (m)
         3536333.0, (2) vertices--UTM
         Easting (m) 784752.69, UTM
         Northing (m) 3536333.0, (3)
         vertices--UTM Easting (m)
         784752.69, UTM Northing (m)
         3512333.0, (4) vertices--UTM
         Easting (m) 766752.69, UTM
         Northing (m) 3512333.0
Rusk and Panola Counties, TX                 ..............  ...................................................
    Rusk County (part) and Panola County            1/12/17  Nonattainment.
     (part).

        Those portions of Rusk and Panola    ..............  ...................................................
         Counties encompassed by the
         rectangle with the vertices using
         Universal Traverse Mercator (UTM)
         coordinates in UTM zone 15 with
         datum NAD83 as follows: (1)
         Vertices--UTM Easting (m)
         340067.31, UTM Northing (m)
         3575814.75 (2) vertices--UTM
         Easting (m) 356767.31, UTM
         Northing (m) 3575814.75 (3)
         vertices--UTM Easting (m)
         356767.31, UTM Northing (m)
         3564314.75 (4) vertices--UTM
         Easting (m) 340067.31, UTM
         Northing (m) 3564314.75
Titus County (part)........................         1/12/17  Nonattainment.
        That portion of Titus County         ..............  ...................................................
         encompassed by the rectangle with
         the vertices using Universal
         Traverse Mercator (UTM)
         coordinates in UTM zone 15 with
         datum NAD83 as follows: (1)
         Vertices--UTM Easting (m)
         304329.030, UTM Northing (m)
         3666971.0, (2) vertices--UTM
         Easting (m) 311629.030, UTM
         Northing (m) 3666971.0, (3)
         vertices--UTM Easting (m)
         311629.03, UTM Northing (m)
         3661870.5, (4) vertices--UTM
         Easting (m) 304329.03, UTM
         Northing (m) 3661870.5
Milam County, TX...........................         1/12/17  Unclassifiable.
Potter County, TX..........................         9/12/16  Unclassifiable.
Anderson County (part) (remainder).........  ..............  Attainment/Unclassifiable.
Andrews County.............................  ..............  Attainment/Unclassifiable.
Angelina County............................  ..............  Attainment/Unclassifiable.
Aransas County.............................  ..............  Attainment/Unclassifiable.
Archer County..............................  ..............  Attainment/Unclassifiable.
Armstrong County...........................  ..............  Attainment/Unclassifiable.
Atascosa County............................         9/12/16  Attainment/Unclassifiable.
Austin County..............................  ..............  Attainment/Unclassifiable.
Bailey County..............................  ..............  Attainment/Unclassifiable.
Bandera County.............................  ..............  Attainment/Unclassifiable.
Bastrop County.............................  ..............  Attainment/Unclassifiable.
Baylor County..............................  ..............  Attainment/Unclassifiable.
Bee County.................................  ..............  Attainment/Unclassifiable.
Bell County................................  ..............  Attainment/Unclassifiable.
Blanco County..............................  ..............  Attainment/Unclassifiable.
Borden County..............................  ..............  Attainment/Unclassifiable.
Bosque County..............................  ..............  Attainment/Unclassifiable.
Bowie County...............................  ..............  Attainment/Unclassifiable.
Brazoria County............................  ..............  Attainment/Unclassifiable.
Brazos County..............................  ..............  Attainment/Unclassifiable.
Brewster County............................  ..............  Attainment/Unclassifiable.
Briscoe County.............................  ..............  Attainment/Unclassifiable.
Brooks County..............................  ..............  Attainment/Unclassifiable.
Brown County...............................  ..............  Attainment/Unclassifiable.
Burleson County............................  ..............  Attainment/Unclassifiable.
Burnet County..............................  ..............  Attainment/Unclassifiable.
Caldwell County............................  ..............  Attainment/Unclassifiable.
Calhoun County.............................  ..............  Attainment/Unclassifiable.
Callahan County............................  ..............  Attainment/Unclassifiable.
Cameron County.............................  ..............  Attainment/Unclassifiable.
Camp County................................  ..............  Attainment/Unclassifiable.
Carson County..............................  ..............  Attainment/Unclassifiable.
Cass County................................  ..............  Attainment/Unclassifiable.
Castro County..............................  ..............  Attainment/Unclassifiable.
Chambers County............................  ..............  Attainment/Unclassifiable.
Cherokee County............................  ..............  Attainment/Unclassifiable.
Childress County...........................  ..............  Attainment/Unclassifiable.
Clay County................................  ..............  Attainment/Unclassifiable.
Cochran County.............................  ..............  Attainment/Unclassifiable.
Coke County................................  ..............  Attainment/Unclassifiable.
Coleman County.............................  ..............  Attainment/Unclassifiable.
Collin County..............................  ..............  Attainment/Unclassifiable.
Collingsworth County.......................  ..............  Attainment/Unclassifiable.
Colorado County............................  ..............  Attainment/Unclassifiable.
Comal County...............................  ..............  Attainment/Unclassifiable.
Comanche County............................  ..............  Attainment/Unclassifiable.
Concho County..............................  ..............  Attainment/Unclassifiable.
Cooke County...............................  ..............  Attainment/Unclassifiable.
Coryell County.............................  ..............  Attainment/Unclassifiable.
Cottle County..............................  ..............  Attainment/Unclassifiable.
Crane County...............................  ..............  Attainment/Unclassifiable.
Crockett County............................  ..............  Attainment/Unclassifiable.
Crosby County..............................  ..............  Attainment/Unclassifiable.

Culberson County...........................  ..............  Attainment/Unclassifiable.
Dallam County..............................  ..............  Attainment/Unclassifiable.
Dallas County..............................  ..............  Attainment/Unclassifiable.
Dawson County..............................  ..............  Attainment/Unclassifiable.
Deaf Smith County..........................  ..............  Attainment/Unclassifiable.
Delta County...............................  ..............  Attainment/Unclassifiable.
Denton County..............................  ..............  Attainment/Unclassifiable.
DeWitt County..............................  ..............  Attainment/Unclassifiable.
Dickens County.............................  ..............  Attainment/Unclassifiable.
Dimmit County..............................  ..............  Attainment/Unclassifiable.
Donley County..............................  ..............  Attainment/Unclassifiable.
Duval County...............................  ..............  Attainment/Unclassifiable.
Eastland County............................  ..............  Attainment/Unclassifiable.
Ector County...............................  ..............  Attainment/Unclassifiable.
Edwards County.............................  ..............  Attainment/Unclassifiable.
El Paso County.............................  ..............  Attainment/Unclassifiable.
Ellis County...............................  ..............  Attainment/Unclassifiable.
Erath County...............................  ..............  Attainment/Unclassifiable.
Falls County...............................  ..............  Attainment/Unclassifiable.
Fannin County..............................  ..............  Attainment/Unclassifiable.
Fayette County.............................  ..............  Attainment/Unclassifiable.
Fisher County..............................  ..............  Attainment/Unclassifiable.
Floyd County...............................  ..............  Attainment/Unclassifiable.
Foard County...............................  ..............  Attainment/Unclassifiable.
Fort Bend County...........................         9/12/16  Attainment/Unclassifiable.
Franklin County............................  ..............  Attainment/Unclassifiable.
Freestone County (part) (remainder)........  ..............  Attainment/Unclassifiable.
Frio County................................  ..............  Attainment/Unclassifiable.
Gaines County..............................  ..............  Attainment/Unclassifiable.
Galveston County...........................  ..............  Attainment/Unclassifiable.
Garza County...............................  ..............  Attainment/Unclassifiable.
Gillespie County...........................  ..............  Attainment/Unclassifiable.
Glasscock County...........................  ..............  Attainment/Unclassifiable.
Goliad County..............................         9/12/16  Attainment/Unclassifiable.
Gonzales County............................  ..............  Attainment/Unclassifiable.
Gray County................................  ..............  Attainment/Unclassifiable.
Grayson County.............................  ..............  Attainment/Unclassifiable.
Gregg County...............................  ..............  Attainment/Unclassifiable.
Grimes County..............................  ..............  Attainment/Unclassifiable.
Guadalupe County...........................  ..............  Attainment/Unclassifiable.
Hale County................................  ..............  Attainment/Unclassifiable.
Hall County................................  ..............  Attainment/Unclassifiable.
Hamilton County............................  ..............  Attainment/Unclassifiable.
Hansford County............................  ..............  Attainment/Unclassifiable.
Hardeman County............................  ..............  Attainment/Unclassifiable.
Hardin County..............................  ..............  Attainment/Unclassifiable.
Harris County..............................  ..............  Attainment/Unclassifiable.
Hartley County.............................  ..............  Attainment/Unclassifiable.
Haskell County.............................  ..............  Attainment/Unclassifiable.
Hays County................................  ..............  Attainment/Unclassifiable.
Hemphill County............................  ..............  Attainment/Unclassifiable.
Henderson County...........................  ..............  Attainment/Unclassifiable.
Hidalgo County.............................  ..............  Attainment/Unclassifiable.
Hill County................................  ..............  Attainment/Unclassifiable.
Hockley County.............................  ..............  Attainment/Unclassifiable.
Hood County................................  ..............  Attainment/Unclassifiable.
Hopkins County.............................  ..............  Attainment/Unclassifiable.
Houston County.............................  ..............  Attainment/Unclassifiable.
Hudspeth County............................  ..............  Attainment/Unclassifiable.
Hunt County................................  ..............  Attainment/Unclassifiable.
Irion County...............................  ..............  Attainment/Unclassifiable.
Jack County................................  ..............  Attainment/Unclassifiable.
Jackson County.............................  ..............  Attainment/Unclassifiable.
Jasper County..............................  ..............  Attainment/Unclassifiable.
Jeff Davis County..........................  ..............  Attainment/Unclassifiable.
Jim Hogg County............................  ..............  Attainment/Unclassifiable.
Jim Wells County...........................  ..............  Attainment/Unclassifiable.
Johnson County.............................  ..............  Attainment/Unclassifiable.
Jones County...............................  ..............  Attainment/Unclassifiable.
Karnes County..............................  ..............  Attainment/Unclassifiable.

Kaufman County.............................  ..............  Attainment/Unclassifiable.
Kendall County.............................  ..............  Attainment/Unclassifiable.
Kenedy County..............................  ..............  Attainment/Unclassifiable.
Kent County................................  ..............  Attainment/Unclassifiable.
Kerr County................................  ..............  Attainment/Unclassifiable.
Kimble County..............................  ..............  Attainment/Unclassifiable.
King County................................  ..............  Attainment/Unclassifiable.
Kinney County..............................  ..............  Attainment/Unclassifiable.
Kleberg County.............................  ..............  Attainment/Unclassifiable.
Knox County................................  ..............  Attainment/Unclassifiable.
Lamar County...............................  ..............  Attainment/Unclassifiable.
Lamb County................................         9/12/16  Attainment/Unclassifiable.
Lampasas County............................  ..............  Attainment/Unclassifiable.
La Salle County............................  ..............  Attainment/Unclassifiable.
Lavaca County..............................  ..............  Attainment/Unclassifiable.
Lee County.................................  ..............  Attainment/Unclassifiable.
Leon County................................  ..............  Attainment/Unclassifiable.
Liberty County.............................  ..............  Attainment/Unclassifiable.
Limestone County...........................         9/12/16  Attainment/Unclassifiable.
Lipscomb County............................  ..............  Attainment/Unclassifiable.
Live Oak County............................  ..............  Attainment/Unclassifiable.
Llano County...............................  ..............  Attainment/Unclassifiable.
Loving County..............................  ..............  Attainment/Unclassifiable.
Lubbock County.............................  ..............  Attainment/Unclassifiable.
Lynn County................................  ..............  Attainment/Unclassifiable.
McCulloch County...........................  ..............  Attainment/Unclassifiable.
McLennan County............................         9/12/16  Attainment/Unclassifiable.
McMullen County............................  ..............  Attainment/Unclassifiable.
Madison County.............................  ..............  Attainment/Unclassifiable.
Marion County..............................  ..............  Attainment/Unclassifiable.
Martin County..............................  ..............  Attainment/Unclassifiable.
Mason County...............................  ..............  Attainment/Unclassifiable.
Matagorda County...........................  ..............  Attainment/Unclassifiable.
Maverick County............................  ..............  Attainment/Unclassifiable.
Medina County..............................  ..............  Attainment/Unclassifiable.
Menard County..............................  ..............  Attainment/Unclassifiable.
Midland County.............................  ..............  Attainment/Unclassifiable.
Mills County...............................  ..............  Attainment/Unclassifiable.
Mitchell County............................  ..............  Attainment/Unclassifiable.
Montague County............................  ..............  Attainment/Unclassifiable.
Montgomery County..........................  ..............  Attainment/Unclassifiable.
Moore County...............................  ..............  Attainment/Unclassifiable.
Morris County..............................  ..............  Attainment/Unclassifiable.
Motley County..............................  ..............  Attainment/Unclassifiable.
Nacogdoches County.........................  ..............  Attainment/Unclassifiable.
Newton County..............................  ..............  Attainment/Unclassifiable.
Nolan County...............................  ..............  Attainment/Unclassifiable.
Nueces County..............................  ..............  Attainment/Unclassifiable.
Ochiltree County...........................  ..............  Attainment/Unclassifiable.
Oldham County..............................  ..............  Attainment/Unclassifiable.
Panola County (part) (remainder)...........  ..............  Attainment/Unclassifiable.
Palo Pinto County..........................  ..............  Attainment/Unclassifiable.
Parker County..............................  ..............  Attainment/Unclassifiable.
Parmer County..............................  ..............  Attainment/Unclassifiable.
Pecos County...............................  ..............  Attainment/Unclassifiable.
Polk County................................  ..............  Attainment/Unclassifiable.
Presidio County............................  ..............  Attainment/Unclassifiable.
Rains County...............................  ..............  Attainment/Unclassifiable.
Randall County.............................  ..............  Attainment/Unclassifiable.
Reagan County..............................  ..............  Attainment/Unclassifiable.
Real County................................  ..............  Attainment/Unclassifiable.
Red River County...........................  ..............  Attainment/Unclassifiable.
Reeves County..............................  ..............  Attainment/Unclassifiable.
Refugio County.............................  ..............  Attainment/Unclassifiable.
Roberts County.............................  ..............  Attainment/Unclassifiable.
Robertson County...........................         9/12/16  Attainment/Unclassifiable.
Rockwall County............................  ..............  Attainment/Unclassifiable.
Runnels County.............................  ..............  Attainment/Unclassifiable.
Rusk County (part) (remainder).............  ..............  Attainment/Unclassifiable.
Sabine County..............................  ..............  Attainment/Unclassifiable.

San Augustine County.......................  ..............  Attainment/Unclassifiable.
San Jacinto................................  ..............  Attainment/Unclassifiable.
San Patricio County........................  ..............  Attainment/Unclassifiable.
San Saba County............................  ..............  Attainment/Unclassifiable.
Schleicher County..........................  ..............  Attainment/Unclassifiable.
Scurry County..............................  ..............  Attainment/Unclassifiable.
Shackelford County.........................  ..............  Attainment/Unclassifiable.
Shelby County..............................  ..............  Attainment/Unclassifiable.
Sherman County.............................  ..............  Attainment/Unclassifiable.
Smith County...............................  ..............  Attainment/Unclassifiable.
Somervell County...........................  ..............  Attainment/Unclassifiable.
Starr County...............................  ..............  Attainment/Unclassifiable.
Stephens County............................  ..............  Attainment/Unclassifiable.
Sterling County............................  ..............  Attainment/Unclassifiable.
Stonewall County...........................  ..............  Attainment/Unclassifiable.
Sutton County..............................  ..............  Attainment/Unclassifiable.
Swisher County.............................  ..............  Attainment/Unclassifiable.
Tarrant County.............................  ..............  Attainment/Unclassifiable.
Taylor County..............................  ..............  Attainment/Unclassifiable.
Terrell County.............................  ..............  Attainment/Unclassifiable.
Terry County...............................  ..............  Attainment/Unclassifiable.
Throckmorton County........................  ..............  Attainment/Unclassifiable.
Titus County (part)........................  ..............  Attainment/Unclassifiable.
Tom Green County...........................  ..............  Attainment/Unclassifiable.
Travis County..............................  ..............  Attainment/Unclassifiable.
Trinity County.............................  ..............  Attainment/Unclassifiable.
Tyler County...............................  ..............  Attainment/Unclassifiable.
Upshur County..............................  ..............  Attainment/Unclassifiable.
Upton County...............................  ..............  Attainment/Unclassifiable.
Uvalde County..............................  ..............  Attainment/Unclassifiable.
Val Verde County...........................  ..............  Attainment/Unclassifiable.
Van Zandt County...........................  ..............  Attainment/Unclassifiable.
Victoria County............................  ..............  Attainment/Unclassifiable.
Walker County..............................  ..............  Attainment/Unclassifiable.
Waller County..............................  ..............  Attainment/Unclassifiable.
Ward County................................  ..............  Attainment/Unclassifiable.
Washington County..........................  ..............  Attainment/Unclassifiable.
Webb County................................  ..............  Attainment/Unclassifiable.
Wharton County.............................  ..............  Attainment/Unclassifiable.
Wheeler County.............................  ..............  Attainment/Unclassifiable.
Wichita County.............................  ..............  Attainment/Unclassifiable.
Wilbarger County...........................  ..............  Attainment/Unclassifiable.
Willacy County.............................  ..............  Attainment/Unclassifiable.
Williamson County..........................  ..............  Attainment/Unclassifiable.
Wilson County..............................  ..............  Attainment/Unclassifiable.
Winkler County.............................  ..............  Attainment/Unclassifiable.
Wise County................................  ..............  Attainment/Unclassifiable.
Wood County................................  ..............  Attainment/Unclassifiable.
Yoakum County..............................  ..............  Attainment/Unclassifiable.
Young County...............................  ..............  Attainment/Unclassifiable.
Zapata County..............................  ..............  Attainment/Unclassifiable.
Zavala County..............................  ..............  Attainment/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 April 9, 2018, unless otherwise noted.
\3\ Bexar, Harrison, Howard, Hutchinson, Jefferson, Navarro, and Orange Counties and the remaining portion of
  Titus County will be designated by December 31, 2020.

* * * * *

0
46. Section 81.345 is amended by adding a table titled ``Utah--2010
Sulfur Dioxide NAAQS (Primary)'' following the table ``Utah--1971
Sulfur Dioxide NAAQS (Primary and Secondary)'' to read as follows:

Sec.  81.345   Utah.

* * * * *

                                    Utah--2010 Sulfur Dioxide NAAQS (Primary)
----------------------------------------------------------------------------------------------------------------
                                                                          Designation
             Designated area \1\              ------------------------------------------------------------------
                                                  Date \2\                            Type
----------------------------------------------------------------------------------------------------------------
Statewide:
    Beaver County............................  ..............  Attainment/Unclassifiable.
    Box Elder County.........................  ..............  Attainment/Unclassifiable.
    Cache County.............................  ..............  Attainment/Unclassifiable.
    Carbon County............................  ..............  Attainment/Unclassifiable.
    Daggett County...........................  ..............  Attainment/Unclassifiable.
    Davis County.............................  ..............  Attainment/Unclassifiable.
    Duchesne County..........................  ..............  Attainment/Unclassifiable.
    Emery County.............................  ..............  Attainment/Unclassifiable.
    Garfield County..........................  ..............  Attainment/Unclassifiable.
    Grand County.............................  ..............  Attainment/Unclassifiable.
    Iron County..............................  ..............  Attainment/Unclassifiable.
    Juab County..............................  ..............  Attainment/Unclassifiable.
    Kane County..............................  ..............  Attainment/Unclassifiable.
    Millard County...........................  ..............  Attainment/Unclassifiable.
    Morgan County............................  ..............  Attainment/Unclassifiable.
    Piute County.............................  ..............  Attainment/Unclassifiable.
    Rich County..............................  ..............  Attainment/Unclassifiable.
    Salt Lake County.........................  ..............  Attainment/Unclassifiable.
    San Juan County..........................  ..............  Attainment/Unclassifiable.
    Sanpete County...........................  ..............  Attainment/Unclassifiable.
    Sevier County............................  ..............  Attainment/Unclassifiable.
    Summit County............................  ..............  Attainment/Unclassifiable.
    Tooele County............................  ..............  Attainment/Unclassifiable.
    Uintah County............................  ..............  Attainment/Unclassifiable.
    Utah County..............................  ..............  Attainment/Unclassifiable.
    Wasatch County...........................  ..............  Attainment/Unclassifiable.
    Washington County........................  ..............  Attainment/Unclassifiable.
    Wayne County.............................  ..............  Attainment/Unclassifiable.
    Weber County.............................  ..............  Attainment/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. The lands of the
  Navajo Nation, including those lands located geographically within Utah, are excluded, as they are separately
  designated under Section 81.303.
\2\ This date is April 9, 2018, unless otherwise noted.

* * * * *

0
47. Section 81.346 is amended by adding a table titled ``Vermont--2010
Sulfur Dioxide NAAQS (Primary)'' following the table ``Vermont--1971
Sulfur Dioxide NAAQS (Primary and Secondary)'' to read as follows:

Sec.  81.346  Vermont.

* * * * *

                                  Vermont--2010 Sulfur Dioxide NAAQS (Primary)
----------------------------------------------------------------------------------------------------------------
                                                                         Designation
            Designated area \1\             --------------------------------------------------------------------
                                                Date \2\                             Type
----------------------------------------------------------------------------------------------------------------
Statewide:
    Addison................................  ..............  Attainment/Unclassifiable.
    Bennington.............................  ..............  Attainment/Unclassifiable.
    Caledonia..............................  ..............  Attainment/Unclassifiable.
    Chittenden.............................  ..............  Attainment/Unclassifiable.
    Essex..................................  ..............  Attainment/Unclassifiable.
    Franklin...............................  ..............  Attainment/Unclassifiable.
    Grand Isle.............................  ..............  Attainment/Unclassifiable.
    Lamoille...............................  ..............  Attainment/Unclassifiable.
    Orange.................................  ..............  Attainment/Unclassifiable.
    Orleans................................  ..............  Attainment/Unclassifiable.
    Rutland................................  ..............  Attainment/Unclassifiable.
    Washington.............................  ..............  Attainment/Unclassifiable.
    Windham................................  ..............  Attainment/Unclassifiable.
    Windsor................................  ..............  Attainment/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 April 9, 2018, unless otherwise noted.

* * * * *

0
48. Section 81.347 is amended by adding a table titled ``Virginia--2010
Sulfur Dioxide NAAQS (Primary)'' following the table ``Virginia--1971
Sulfur Dioxide NAAQS (Primary and Secondary)'' to read as follows:

Sec.  81.347  Virginia.

* * * * *

                                  Virginia--2010 Sulfur Dioxide NAAQS (Primary)
----------------------------------------------------------------------------------------------------------------
                                                                         Designation
            Designated area 1 3             --------------------------------------------------------------------
                                                 Date 2                              Type
----------------------------------------------------------------------------------------------------------------
Buchanan County............................  ..............  Unclassifiable.
Accomack County............................  ..............  Attainment/Unclassifiable.
Albemarle County...........................  ..............  Attainment/Unclassifiable.
Amelia County..............................  ..............  Attainment/Unclassifiable.
Amherst County.............................  ..............  Attainment/Unclassifiable.
Appomattox County..........................  ..............  Attainment/Unclassifiable.
Arlington County...........................  ..............  Attainment/Unclassifiable.
Augusta County.............................  ..............  Attainment/Unclassifiable.
Bath County................................  ..............  Attainment/Unclassifiable.
Bedford County.............................  ..............  Attainment/Unclassifiable.
Bland County...............................  ..............  Attainment/Unclassifiable.
Brunswick County...........................  ..............  Attainment/Unclassifiable.
Buckingham County..........................  ..............  Attainment/Unclassifiable.
Campbell County............................  ..............  Attainment/Unclassifiable.
Caroline County............................  ..............  Attainment/Unclassifiable.
Carroll County.............................  ..............  Attainment/Unclassifiable.
Charles City County........................  ..............  Attainment/Unclassifiable.
Charlotte County...........................  ..............  Attainment/Unclassifiable.
Chesterfield County........................  ..............  Attainment/Unclassifiable.
City of Alexandria.........................  ..............  Attainment/Unclassifiable.
City of Bedford............................  ..............  Attainment/Unclassifiable.
City of Bristol............................  ..............  Attainment/Unclassifiable.
City of Buena Vista........................  ..............  Attainment/Unclassifiable.
City of Charlottesville....................  ..............  Attainment/Unclassifiable.
City of Chesapeake.........................  ..............  Attainment/Unclassifiable.
City of Colonial Heights...................  ..............  Attainment/Unclassifiable.
City of Danville...........................  ..............  Attainment/Unclassifiable.
City of Emporia............................  ..............  Attainment/Unclassifiable.
City of Fairfax............................  ..............  Attainment/Unclassifiable.
City of Falls Church.......................  ..............  Attainment/Unclassifiable.
City of Franklin...........................  ..............  Attainment/Unclassifiable.
City of Fredericksburg.....................  ..............  Attainment/Unclassifiable.
City of Galax..............................  ..............  Attainment/Unclassifiable.
City of Hampton............................  ..............  Attainment/Unclassifiable.
City of Harrisonburg.......................  ..............  Attainment/Unclassifiable.
City of Hopewell...........................  ..............  Attainment/Unclassifiable.
City of Lexington..........................  ..............  Attainment/Unclassifiable.
City of Lynchburg..........................  ..............  Attainment/Unclassifiable.
City of Manassas...........................  ..............  Attainment/Unclassifiable.
City of Manassas Park......................  ..............  Attainment/Unclassifiable.
City of Martinsville.......................  ..............  Attainment/Unclassifiable.
City of Newport News.......................  ..............  Attainment/Unclassifiable.
City of Norfolk............................  ..............  Attainment/Unclassifiable.
City of Norton.............................  ..............  Attainment/Unclassifiable.
City of Petersburg.........................  ..............  Attainment/Unclassifiable.
City of Poquoson...........................  ..............  Attainment/Unclassifiable.
City of Portsmouth.........................  ..............  Attainment/Unclassifiable.
City of Radford............................  ..............  Attainment/Unclassifiable.
City of Richmond...........................  ..............  Attainment/Unclassifiable.
City of Roanoke............................  ..............  Attainment/Unclassifiable.
City of Salem..............................  ..............  Attainment/Unclassifiable.
City of Staunton...........................  ..............  Attainment/Unclassifiable.
City of Suffolk............................  ..............  Attainment/Unclassifiable.
City of Virginia Beach.....................  ..............  Attainment/Unclassifiable.
City of Waynesboro.........................  ..............  Attainment/Unclassifiable.
City of Williamsburg.......................  ..............  Attainment/Unclassifiable.
City of Winchester.........................  ..............  Attainment/Unclassifiable.
Clarke County..............................  ..............  Attainment/Unclassifiable.
Craig County...............................  ..............  Attainment/Unclassifiable.
Culpeper County............................  ..............  Attainment/Unclassifiable.
Cumberland County..........................  ..............  Attainment/Unclassifiable.
Dickenson County...........................  ..............  Attainment/Unclassifiable.
Dinwiddie County...........................  ..............  Attainment/Unclassifiable.
Essex County...............................  ..............  Attainment/Unclassifiable.
Fairfax County.............................  ..............  Attainment/Unclassifiable.

Fauquier County............................  ..............  Attainment/Unclassifiable.
Floyd County...............................  ..............  Attainment/Unclassifiable.
Fluvanna County............................  ..............  Attainment/Unclassifiable.
Franklin County............................  ..............  Attainment/Unclassifiable.
Frederick County...........................  ..............  Attainment/Unclassifiable.
Gloucester County..........................  ..............  Attainment/Unclassifiable.
Goochland County...........................  ..............  Attainment/Unclassifiable.
Grayson County.............................  ..............  Attainment/Unclassifiable.
Greene County..............................  ..............  Attainment/Unclassifiable.
Greensville County.........................  ..............  Attainment/Unclassifiable.
Halifax County.............................  ..............  Attainment/Unclassifiable.
Hanover County.............................  ..............  Attainment/Unclassifiable.
Henrico County.............................  ..............  Attainment/Unclassifiable.
Henry County...............................  ..............  Attainment/Unclassifiable.
Highland County............................  ..............  Attainment/Unclassifiable.
Isle of Wight County.......................  ..............  Attainment/Unclassifiable.
James City County..........................  ..............  Attainment/Unclassifiable.
King and Queen County......................  ..............  Attainment/Unclassifiable.
King George County.........................  ..............  Attainment/Unclassifiable.
King William County........................  ..............  Attainment/Unclassifiable.
Lancaster County...........................  ..............  Attainment/Unclassifiable.
Lee County.................................  ..............  Attainment/Unclassifiable.
Loudoun County.............................  ..............  Attainment/Unclassifiable.
Louisa County..............................  ..............  Attainment/Unclassifiable.
Lunenburg County...........................  ..............  Attainment/Unclassifiable.
Madison County.............................  ..............  Attainment/Unclassifiable.
Mathews County.............................  ..............  Attainment/Unclassifiable.
Mecklenburg County.........................  ..............  Attainment/Unclassifiable.
Middlesex County...........................  ..............  Attainment/Unclassifiable.
Montgomery County..........................  ..............  Attainment/Unclassifiable.
Nelson County..............................  ..............  Attainment/Unclassifiable.
New Kent County............................  ..............  Attainment/Unclassifiable.
Northampton County.........................  ..............  Attainment/Unclassifiable.
Northumberland County......................  ..............  Attainment/Unclassifiable.
Nottoway County............................  ..............  Attainment/Unclassifiable.
Orange County..............................  ..............  Attainment/Unclassifiable.
Page County................................  ..............  Attainment/Unclassifiable.
Patrick County.............................  ..............  Attainment/Unclassifiable.
Pittsylvania County........................  ..............  Attainment/Unclassifiable.
Powhatan County............................  ..............  Attainment/Unclassifiable.
Prince Edward County.......................  ..............  Attainment/Unclassifiable.
Prince George County.......................  ..............  Attainment/Unclassifiable.
Prince William County......................  ..............  Attainment/Unclassifiable.
Pulaski County.............................  ..............  Attainment/Unclassifiable.
Rappahannock County........................  ..............  Attainment/Unclassifiable.
Richmond County............................  ..............  Attainment/Unclassifiable.
Roanoke County.............................  ..............  Attainment/Unclassifiable.
Rockbridge County..........................  ..............  Attainment/Unclassifiable.
Rockingham County..........................  ..............  Attainment/Unclassifiable.
Russell County.............................  ..............  Attainment/Unclassifiable.
Scott County...............................  ..............  Attainment/Unclassifiable.
Shenandoah County..........................  ..............  Attainment/Unclassifiable.
Smyth County...............................  ..............  Attainment/Unclassifiable.
Southampton County.........................  ..............  Attainment/Unclassifiable.
Spotsylvania County........................  ..............  Attainment/Unclassifiable.
Stafford County............................  ..............  Attainment/Unclassifiable.
Surry County...............................  ..............  Attainment/Unclassifiable.
Sussex County..............................  ..............  Attainment/Unclassifiable.
Tazewell County............................  ..............  Attainment/Unclassifiable.
Warren County..............................  ..............  Attainment/Unclassifiable.
Washington County..........................  ..............  Attainment/Unclassifiable.
Westmoreland County........................  ..............  Attainment/Unclassifiable.
Wise County................................  ..............  Attainment/Unclassifiable.
Wythe County...............................  ..............  Attainment/Unclassifiable.
York County................................  ..............  Attainment/Unclassifiable.
----------------------------------------------------------------------------------------------------------------