Marion County.

Montgomery County.
Newton County.
Pike County.
Polk County.
Scott County.
Searcy County.
Stone County.
Van Buren County.

In the State of Arkansas:
Baxter County.
Boone County.
Carroll County.
Cleburne County.
Franklin County.
Fulton County.
Izard County.
Johnson County.
Logan County.
Madison County.
§ 81.141

Berkshire Intrastate Air Quality Control Region,

The Berkshire Intrastate Air Quality Control Region (Massachusetts) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Massachusetts:

Sharp County.

Auburn.

Barre.

Berlin.

Blackstone.

Boylston.

Brookfield.

Charlton.

Clinton.

Douglas.
Dudley.

East Brookfield.
Grafton.
Hardwick.
Harvard.
Holden.
Hopedale.
Hubbardston.

Lancaster.

Leicester.

Lunenburg.
Mendon.
Millbury.
Millville.
New Braintree.
Northborough.
Northbridge.
North Brookfield.
Oakham.
Oxford.
Paxton.

Petersham.

Phillipston.

Princeton.
Royalston.
Rutland.
Shirley.
Shrewsbury.
Southbridge.

Spencer.
Sterling.
Sturbridge.

§ 81.157 North Central Wisconsin Intrastate Air Quality Control Region. The North Central Wisconsin Intrastate Air Quality Control Region consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Wisconsin:
Adams County.
Forest County.
Florence County.
Juneau County.
Langlade County.
Lincoln County.

Marathon County. Oneida County. Portage County. Vilas County. Wood County.

§ 81.158 Southern Wisconsin Intrastate Air Quality Control Region.

The Southern Wisconsin Intrastate Air Quality Control Region consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air

Beginning at the Oregon border and running south along the eastern boundary of T. 48 N., R. 8 W. to the northeast corner of T. 47 N., R. 8 W., Humboldt Base and Meridian; then east along the north boundary of T. 47 N., R. 7 W. to the northeast corner of sec. 4, T. 47 N., R. 7 W.; then south along the east boundaries of secs. 4, 9, 16, 21. 28, and 33, T. 47 N., R. 7 W.; then west along the south boundary of T. 47 N., R. 7 W., to the northeast corner of T. 46 N., R. 8 W.; then south along the east boundary of T. 46 N., R. 8 W., to its intersection with the north boundary of T. 45 N., R. 8 W.; then east one-quarter mile to the northeast corner of T. 45 N., R. 8 W.; then south along the east boundary of T. 45 N., R. 8 W., and T. 44 N., R. 8 W.. to the northeast corner of sec. 24, T. 44 N., R. 8 W.; then east along the section line to the northeast corner of sec. 20, T. 44 N., R. 7 W.; then south along the eastern boundaries of secs. 20, 29, and 32, T. 44 N., R. 7 W., to the north boundary of T. 43 N., R. 7 W.; then east along the north boundary of T. 43 N., R. 7 W., to the northeast corner of sec. 3, T. 43 N., R. 7 W.; then south along the east boundaries of secs. 3, 10, 15, 22, 27, and 34, T. 43 N., R. 7 W., and continuing south along the east boundaries of secs. 3, 10, 15, 22, 27, and 34, T. 42 N., R. 7 W.; then east to the intersection of the Klamath and Shasta National Forest boundaries; then south along the common boundary of the two National Forests to the Trinity County boundary.

§ 81.162 Northeast Plateau Intrastate Air Quality Control Region.

The Northeast Plateau Intrastate Air Quality Control Region (California) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h (f)) geographically located within the outermost boundaries of the area so delimited):

In the State of California: Lassen County.

Modoc County.

Shasta County-that portion of Shasta County which lies east and north of a line described as follows:

Beginning at the Shasta-Siskiyou County boundary and running south along the range line common to R. 2 E. and R. 1 E., Mount Diablo Base and Meridian to the southwest corner of T. 53 N., R. 2 E.; then east along the township line common to T. 35 N. and T. 34 N., to the northwest corner of T. 34 N., R. 3 E.; then south along the range line common to R. 3 E. and R. 2 E., to the southwest corner of T. 33 N., R. 3 E.; then east along the township line common to T. 33 N. and T. 32 N., to the northwest corner of T. 32 N., R. 4 E.; then south along the range line common to R. 4 E. and R. 3 E. to the