40 CFR 81.320: Maine.

Maine—TSP

Designated areas Does not meet primary standards Does not meet secondary standards Cannot be classified Better than national standards

AQCR 107 (Central ME):

Augusta X

Lewiston/Auburn X

Rockland X

Remainder of AQCR X

AQCR 109 (Downeast):

Lincoln X

Bangor/Brewer X

Baileyville X

Remainder of AQCR X

AQCR 108 (Aroostook) X

AQCR 111 (Northwest ME) X

AQCR 110 (Met. Portland) X

Maine—1971 Sulfur Dioxide NAAQS

[Primary and Secondary]

Designated area Does not meet primary standards Does not meet secondary standards Cannot be classified Better than national standard

AQCR 110 X

AQCR 107 X

AQCR 109 X

AQCR 108-Madawaska X

Rest of region X

AQCR 111 X

Maine—2010 Sulfur Dioxide NAAQS

[Primary]

Designated area 1 Designation

Date 2 Type

Statewide: Attainment/Unclassifiable.

Androscoggin County

Aroostook County

Cumberland County

Franklin County

Hancock County

Kennebec County

Knox County

Lincoln County

Oxford County

Penobscot County

Piscataquis County

Sagadahoc County

Somerset County

Waldo County

Washington County

York 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.

Maine—Carbon Monoxide

Designated area Designation Classification

Date 1 Type Date 1 Type

Statewide Unclassifiable/ Attainment

Androscoggin County

Aroostook County

Cumberland County

Franklin County

Hancock County

Kennebec County

Knox County

Lincoln County

Oxford County

Penobscot County

Piscataquis County

Sagadahoc County

Somerset County

Waldo County

Washington County

York County

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

Maine—Ozone (1-Hour Standard)4

Designated area Designation Classification

Date 1 Type Date 1 Type

Franklin County Area:

Franklin County (part) Unclassifiable/Attainment

Hancock County and Waldo County Area:

Hancock County Attainment

Waldo County Attainment

Knox County and Lincoln County Area:

Knox County (3) Nonattainment (3) Moderate.

Lincoln County (3) Nonattainment (3) Moderate.

Lewiston-Auburn Area:

Androscoggin County (3) Nonattainment (3) Moderate.

Kennebec County (3) Nonattainment (3) Moderate.

Oxford County Area:

Oxford County (part) Unclassifiable/Attainment

Portland Area:

Cumberland County (3) Nonattainment (3) Moderate.2

Sagadahoc County (3) Nonattainment (3) Moderate.2

York County (3) Nonattainment (3) Moderate.2

Somerset County Area:

Somerset County (part) Unclassifiable/Attainment

AQCR 108 Aroostook Intrastate Unclassifiable/Attainment

Aroostook County (part) see 40 CFR 81.179

AQCR 109 Down East Intrastate Unclassifiable/Attainment

Penobscot County (part), as described under 40 CFR 81.181

Piscataquis County (part) see 40 CFR 81.181

Washington County

AQCR 111 Northwest Maine Intrastate (Remainder of) Unclassifiable/Attainment

see 40 CFR 81.182

Aroostook County

Franklin County (part)

Oxford County (part)

Penobscot County (part)

Piscataquis County (part)

Somerset County (part)

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

2 Attainment date extended to November 15, 1997.

3 This date is January 16, 2001.

4 The 1-hour ozone standard is revoked effective June 15, 2005 for all areas in Maine. Hancock and Waldo Counties are maintenance areas for the 1-hour NAAQS for purposes of 40 CFR part 51 subpart X.

Maine—PM-10

Designated area Designation Classification

Date Type Date Type

Aroostook County:

City of Presque Isle (part) 1 8/30/1995 Attainment

That area bounded by Allen Street from its intersection with Main Street east to Dudley Street, Dudley Street south to Cedar Street, Cedar Street west to Main Street, Main Street south to Kennedy Brook, Kennedy Brook northwest crossing Presque Isle Stream to Coburn Street, Coburn Street northwest to Mechanic Street, Mechanic Street west to Judd Street, Judd Street northeast to State Street, State Street northwest to School Street, School Street northeast to Park Street, Park Street east to Main Street

Rest of State 11/15/1990 Unclassifiable

1 This definition of the nonattainment area redefines its borders from the entire City of Presque Isle to this area of 0.6 square miles which circumscribe the area of high emission densities and ambient PM10 levels. (60 FR 2885, January 12, 1995)

Maine—1997 Annual PM2.5 NAAQS

[Primary and Secondary]

Designated area Designation a Classification

Date 1 Type Date Type

Statewide:

Androscoggin County Unclassifiable/Attainment.

Aroostook County Unclassifiable/Attainment.

Cumberland County Unclassifiable/Attainment.

Franklin County Unclassifiable/Attainment.

Hancock County Unclassifiable/Attainment.

Kennebec County Unclassifiable/Attainment.

Knox County Unclassifiable/Attainment.

Lincoln County Unclassifiable/Attainment.

Oxford County Unclassifiable/Attainment.

Penobscot County Unclassifiable/Attainment.

Piscataquis County Unclassifiable/Attainment.

Sagadahoc County Unclassifiable/Attainment.

Somerset County Unclassifiable/Attainment.

Waldo County Unclassifiable/Attainment.

Washington County Unclassifiable/Attainment.

York County Unclassifiable/Attainment.

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

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

Maine—2012 Annual PM2.5 NAAQS

[Primary]

Designated area 1 Designation Classification

Date 2 Type Date 2 Type

Statewide:

Androscoggin County Unclassifiable/Attainment

Aroostook County Unclassifiable/Attainment

Cumberland County Unclassifiable/Attainment

Franklin County Unclassifiable/Attainment

Hancock County Unclassifiable/Attainment

Kennebec County Unclassifiable/Attainment

Knox County Unclassifiable/Attainment

Lincoln County Unclassifiable/Attainment

Oxford County Unclassifiable/Attainment

Penobscot County Unclassifiable/Attainment

Piscataquis County Unclassifiable/Attainment

Sagadahoc County Unclassifiable/Attainment

Somerset County Unclassifiable/Attainment

Waldo County Unclassifiable/Attainment

Washington County Unclassifiable/Attainment

York County Unclassifiable/Attainment

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

2 This date is April 15, 2015, unless otherwise noted.

Maine—1997 24-Hour PM2.5 NAAQS

[Primary and Secondary]

Designated area Designation a Classification

Date 1 Type Date Type

Statewide:

Androscoggin County Unclassifiable/Attainment.

Aroostook County Unclassifiable/Attainment.

Cumberland County Unclassifiable/Attainment.

Franklin County Unclassifiable/Attainment.

Hancock County Unclassifiable/Attainment.

Kennebec County Unclassifiable/Attainment.

Knox County Unclassifiable/Attainment.

Lincoln County Unclassifiable/Attainment.

Oxford County Unclassifiable/Attainment.

Penobscot County Unclassifiable/Attainment.

Piscataquis County Unclassifiable/Attainment.

Sagadahoc County Unclassifiable/Attainment.

Somerset County Unclassifiable/Attainment.

Waldo County Unclassifiable/Attainment.

Washington County Unclassifiable/Attainment.

York County Unclassifiable/Attainment.

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

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

Maine—2006 24-Hour PM2.5 NAAQS

[Primary and Secondary]

Designated area Designation a Classification

Date 1 Type Date Type

Statewide:

Androscoggin County Unclassifiable/Attainment.

Aroostook County Unclassifiable/Attainment.

Cumberland County Unclassifiable/Attainment.

Franklin County Unclassifiable/Attainment.

Hancock County Unclassifiable/Attainment.

Kennebec County Unclassifiable/Attainment.

Knox County Unclassifiable/Attainment.

Lincoln County Unclassifiable/Attainment.

Oxford County Unclassifiable/Attainment.

Penobscot County Unclassifiable/Attainment.

Piscataquis County Unclassifiable/Attainment.

Sagadahoc County Unclassifiable/Attainment.

Somerset County Unclassifiable/Attainment.

Waldo County Unclassifiable/Attainment.

Washington County Unclassifiable/Attainment.

York County Unclassifiable/Attainment.

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

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

Maine—NO2 (1971 Annual Standard)

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

AQCR 110 X

AQCR 107 X

AQCR 109 X

AQCR 108 X

AQCR 111 X

Maine—NO2 (2010 1-Hour Standard)

Designated area Designation a

Date 1 Type

State of Maine Unclassifiable/Attainment.

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

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

Maine—1997 8-Hour Ozone NAAQS

[Primary and Secondary]

Designated area Designation a Category/classification

Date 1 Type Date 1 Type

Hancock, Knox, Lincoln and Waldo Cos., ME:

Hancock County (part) (includes only the following cities and towns): Bar Harbor, Blue Hill, Brooklin, Brooksville, Cranberry Isle, Deer Isle, Frenchboro, Gouldsboro, Hancock, Lamoine, Mount Desert, Sedgwick, Sorrento, Southwest Harbor, Stonington, Sullivan, Surry, Swans Island, Tremont, Trenton, and Winter Harbor January 10, 2007 Attainment

Knox County (part) (includes only the following cities and towns): Camden, Criehaven, Cushing, Friendship, Isle au Haut, Matinicus Isle, Muscle Ridge Shoals, North Haven, Owls Head, Rockland, Rockport, St. George, South Thomaston, Thomaston, Vinalhaven, and Warren January 10, 2007 Attainment

Lincoln County (part) (includes only the following cities and towns): Alna, Boothbay, Boothbay Harbor, Breman, Bristol, Damariscotta, Dresden, Edgecomb, Monhegan, Newcastle, Nobleboro, South Bristol, Southport, Waldoboro, Westport, and Wiscasset January 10, 2007 Attainment

Waldo County (part) (includes only the following town): Islesboro January 10, 2007 Attainment

Portland, ME:

Androscoggin County (part) (includes only the following town): Durham January 10, 2007 Attainment

Cumberland County (part) (includes only the following cities and towns): Brunswick, Cape Elizabeth, Casco, Cumberland, Falmouth, Freeport, Frye Island, Gorham, Gray, Harpswell, Long Island, New Gloucester, North Yarmouth, Portland, Pownal, Raymond, Scarborough, South Portland, Standish, Westbrook, Windham, and Yarmouth January 10, 2007 Attainment

Sagadahoc County (includes all cities & towns) January 10, 2007 Attainment

York County (part) (includes only the following cities and towns): Alfred, Arundel, Berwick, Biddeford, Buxton, Dayton, Elliot, Hollis, Kennebunk, Kennebunkport, Kittery, Limington, Lyman, North Berwick, Ogunquit, Old Orchard Beach, Saco, Sanford, South Berwick, Wells, and York January 10, 2007 Attainment

Rest of State Unclassifiable Attainment

Androscoggin County (part) remainder

Aroostook County

Cumberland County (part) remainder

Franklin County

Hancock County (part) remainder

Kennebec County

Knox County (part) remainder

Lincoln County (part) remainder

Oxford County

Penobscot County

Piscataquis County

Somerset County

Waldo County (part) remainder

Washington County

York County (part) remainder

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

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

Maine—2008 8-Hour Ozone NAAQS

[Primary and Secondary]

Designated area Designation Classification

Date 1 Type Date 1 Type

Statewide: 2 Unclassifiable/Attainment

Androscoggin County

Aroostook County

Cumberland County

Franklin County

Hancock County

Kennebec County

Knox County

Lincoln County

Oxford County

Penobscot County

Piscataquis County

Sagadahoc County

Somerset County

Waldo County

Washington County

York County

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

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

Maine—2015 8-Hour Ozone NAAQS

[Primary and Secondary]

Designated area 1 Designation Classification

Date 2 Type Date Type

Statewide Attainment/Unclassifiable

Androscoggin County

Aroostook County

Cumberland County

Franklin County

Hancock County

Kennebec County

Knox County

Lincoln County

Oxford County

Penobscot County

Piscataquis County

Sagadahoc County

Somerset County

Waldo County

Washington County

York 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 January 16, 2018, unless otherwise noted.

Maine—2008 Lead NAAQS

Designated area Designation for the 2008 NAAQS a

Date 1 Type

Whole State Unclassifiable/Attainment.

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

1 December 31, 2011 unless otherwise noted.