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 Code of Federal Regulations (Last Updated: July 5, 2024)
 Title 40 - Protection of Environment
 Chapter I - Environmental Protection Agency
 SubChapter C - Air Programs
 Part 81 - Designation of Areas for Air Quality Planning Purposes
 Subpart C - Section 107 Attainment Status Designations

  § 81.330 - New Hampshire.  

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  • § 81.330 New Hampshire.

    New Hampshire - TSP

    Designated area Does not meet primary
    standards     		Does not meet secondary standards Cannot be classified Better than national standard
    Metro KeeneX
    Metro ManchesterX
    Remainder of New Hampshire's Portion of So. N.H.M.V. AQCR 121X
    Central NH Interstate AQCR 149X
    Metro BerlinX
    Remainder of New Hampshire's portion of Androscoggin Valley Interstate ACQR 107X

    New Hampshire - 1971 Sulfur Dioxide NAAQS

    ([Primary and Secondary) ]

    Designated area Does not meet primary standards Does not meet secondary standards Cannot be classified Better than national standards
    N.H. portion of Merrimack Valley So. N.H. Interstate AQCR 121X
    Central N.H. Intrastate AQCR 149X
    N.H. portion of Androscoggin Valley Interstate AQCR 107X

    New Hampshire - 2010 Sulfur Dioxide NAAQS

    [Primary]

    Designated area1 Designation
    Date2 Type
    Central New Hampshire, NHSeptember 20, 2019Attainment.
    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 CountyAttainment/Unclassifiable.
    Carroll CountyAttainment/Unclassifiable.
    Cheshire CountyAttainment/Unclassifiable.
    Coos CountyAttainment/Unclassifiable.
    Grafton CountyAttainment/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 CountyAttainment/Unclassifiable.
    Sullivan CountyAttainment/Unclassifiable.

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

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

    New Hampshire - Carbon Monoxide

    Designated area: Designation Classification
    Date Type Date Type
    Manchester Area:
    Hillsborough County (part), City of Manchester1-29-01Attainment
    Nashua Area:
    Hillsborough County (part), City of Nashua1-29-01Attainment
    AQCR 107 Androscoggin Valley InterstateUnclassifiable/Attainment
    Coos County
    AQCR 121 Merrimack Valley-S NH InterstateUnclassifiable/Attainment
    Belknap County
    Cheshire County
    Hillsborough County (part), Area outside of Nashua and Manchester
    Merrimack County
    Rockingham County
    Stratford County
    Sullivan County
    AQCR 149 Central New Hampshire IntrastateUnclassifiable/Attainment
    Carroll County
    Grafton County

    New Hampshire - Ozone (1-Hour Standard)3

    Designated area Designation Classification
    Date1 Type Date1 Type
    Belknap County Area:
    Belknap CountyUnclassifiable/Attainment
    Boston-Lawrence-Worcester Area:
    Hillsborough County (part)(1)Nonattainment(2)Serious.
    Pelham Town, Amherst Town, Brookline Town, Hollis Town, Hudson Town, Litchfield Town, Merrimack Town, Milford Town, Mont Vernon Town, Nashua City Wilton Town.
    Rockingham County (part)
    Atkinson Town, Brentwood Town, Danville Town, Derry Town, E. Kingston Town, Hampstead Town, Hampton Falls Town, Kensington Town, Kingston Town, Londonderry Town, Newton Town, Plaistow Town, Salem Town, Sandown Town, Seabrook Town, South Hampton Town Windham Town.(2)Nonattainment(2)Serious.
    Cheshire County Area:
    Cheshire County(2)Nonattainment(2)Incomplete Data.
    Manchester Area:
    Hillsborough County (part)(2)Nonattainment(2)Marginal.
    Antrim Town, Bedford Town, Bennington Town, Deering Town, Francestown Town, Goffstown Town, Greenfield Town, Greenville Town, Hancock Town, Hillsborough Town, Lyndeborough Town, Manchester city, Mason Town, New Boston Town, New Ipswich Town, Petersborough Town, Sharon Town, Temple town, Weare Town, Windsor Town.
    Merrimack County(2)Nonattainment(2)Marginal.
    Rockingham County (part)(2)Nonattainment(2)Marginal.
    Auburn Town, Candia Town, Chester Town, Deerfield Town, Epping Town, Fremont Town, Northwood Town, Nottingham Town, Raymond Town.
    Portsmouth-Dover-Rochester Area:
    Rockingham County (part)(2)Nonattainment(2)Serious.
    Exeter Town, Greenland Town, Hampton Town, New Castle Town, Newfields Town, Newington Town, Newmarket Town, North Hampton Town, Portsmouth city, Rye Town, Stratham Town.
    Strafford County (2) Nonattainment (2) Serious.
    Sullivan County Area:
    Sullivan CountyUnclassifiable/Attainment
    AQCR 107 Androscoggin Valley Interstate:
    Coos CountyUnclassifiable/Attainment
    AQCR 149 Central New Hampshire Interstate:
    Carroll CountyUnclassifiable/Attainment
    Grafton CountyUnclassifiable/Attainment

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

    2 This date is January 16, 2001.

    3 The 1-hour ozone standard is revoked effective June 15, 2005 for all areas in New Hampshire.

    New Hampshire - 1997 Annual PM2.5 NAAQS

    [Primary and Secondary]

    Designated area Designationa Classification
    Date1 Type Date Type
    Statewide:
    Belknap CountyUnclassifiable/Attainment.
    Carroll CountyUnclassifiable/Attainment.
    Cheshire CountyUnclassifiable/Attainment.
    Coos CountyUnclassifiable/Attainment.
    Grafton CountyUnclassifiable/Attainment.
    Hillsborough CountyUnclassifiable/Attainment.
    Merrimack CountyUnclassifiable/Attainment.
    Rockingham CountyUnclassifiable/Attainment.
    Strafford CountyUnclassifiable/Attainment.
    Sullivan CountyUnclassifiable/Attainment.

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

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

    New Hampshire - 2012 Annual PM2.5 NAAQS

    [Primary]

    Designated area1 Designation Classification
    Date2 Type Date2 Type
    Statewide:
    Belknap CountyUnclassifiable/Attainment
    Carroll CountyUnclassifiable/Attainment
    Cheshire CountyUnclassifiable/Attainment
    Coos CountyUnclassifiable/Attainment
    Grafton CountyUnclassifiable/Attainment
    Hillsborough CountyUnclassifiable/Attainment
    Merrimack CountyUnclassifiable/Attainment
    Rockingham CountyUnclassifiable/Attainment
    Strafford CountyUnclassifiable/Attainment
    Sullivan CountyUnclassifiable/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.

    New Hampshire - 1997 24-Hour PM2.5 NAAQS

    [Primary and Secondary]

    Designated area Designationa Classification
    Date1 Type Date Type
    Statewide:
    Belknap CountyUnclassifiable/Attainment.
    Carroll CountyUnclassifiable/Attainment.
    Cheshire CountyUnclassifiable/Attainment.
    Coos CountyUnclassifiable/Attainment.
    Grafton CountyUnclassifiable/Attainment.
    Hillsborough CountyUnclassifiable/Attainment.
    Merrimack CountyUnclassifiable/Attainment.
    Rockingham CountyUnclassifiable/Attainment.
    Strafford CountyUnclassifiable/Attainment.
    Sullivan CountyUnclassifiable/Attainment.

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

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

    New Hampshire - 2006 24-Hour PM2.5 NAAQS

    [Primary and Secondary]

    Designated area Designationa Classification
    Date1 Type Date Type
    Statewide:
    Belknap CountyUnclassifiable/Attainment.
    Carroll CountyUnclassifiable/Attainment.
    Cheshire CountyUnclassifiable/Attainment.
    Coos CountyUnclassifiable/Attainment.
    Grafton CountyUnclassifiable/Attainment.
    Hillsborough CountyUnclassifiable/Attainment.
    Merrimack CountyUnclassifiable/Attainment.
    Rockingham CountyUnclassifiable/Attainment.
    Strafford CountyUnclassifiable/Attainment.
    Sullivan CountyUnclassifiable/Attainment.

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

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

    New Hampshire - NO2 (1971 Annual Standard)

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

    New Hampshire - NO2 (2010 1-Hour Standard)

    Designated area Designationa
    Date1 Type
    State of New HampshireUnclassifiable/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.

    New Hampshire - 1997 8-Hour Ozone NAAQS

    ([Primary and Secondary) ]

    Designated area Designateda Category/classification
    Date1 Type Date1 Type
    Boston-Manchester-Portsmouth (SE), NH:
    Hillsborough County (part) Amherst Town, Bedford Town, Brookline Town, Goffstown Town, Hollis Town, Hudson Town, Litchfield Town, Manchester City, Merrimack Town, Milford Town, Nashua City, Pelham Town3/4/2013Attainment
    Merrimack County (part) Hooksett Town3/4/2013Attainment
    Rockingham County (part) Atkinson Town, Auburn Town, Brentwood Town, Candia Town, Chester Town, Danville Town, Derry Town, E. 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, Plaistow Town, Portsmouth City, Raymond Town, Rye Town, Salem Town, Sandown Town, Seabrook Town, South Hampton Town, Stratham Town, Windham Town3/4/2013Attainment
    Strafford County (part) Dover City, Durham Town, Rochester City, Rollinsford Town, and Somersworth City3/4/2013Attainment
    Dover City, Durham Town, Rochester City, Rollinsford Town, and Somersworth City
    Rest of State:Unclassifiable/Attainment
    Belknap County
    Carroll County
    Cheshire County
    Coos County
    Grafton County
    Hillsborough County (part) remainder
    Merrimack County (part) remainder
    Rockingham County (part) remainder
    Strafford County (part) remainder
    Sullivan County

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

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

    New Hampshire - 2008 8-Hour Ozone NAAQS

    ([Primary and secondary) Secondary]

    Designated area Designation Classification
    Date1 Type Date1 Type
    Statewide:2 Unclassifiable/Attainment
    Belknap County
    Carroll County
    Cheshire County
    Coos County
    Grafton County
    Hillsborough County
    Merrimack County
    Rockingham County
    Strafford County
    Sullivan County

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

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

    New Hampshire - 2015 8-Hour Ozone NAAQS

    [Primary and Secondary]

    Designated area1 Designation Classification
    Date2 Type Date Type
    StatewideAttainment/Unclassifiable
    Belknap County
    Carroll County
    Cheshire County
    Coos County
    Grafton County
    Hillsborough County
    Merrimack County
    Rockingham County
    Strafford County
    Sullivan 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.

    New Hampshire - 2008 Lead NAAQS

    Designated area Designation for the 2008 NAAQSa
    Date1 Type
    Whole StateUnclassifiable/Attainment.

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

    1 December 31, 2011 unless otherwise noted.

    [43 FR 8964, Mar. 3, 1978]

    Editorial Note

    Editorial Note:

    For Federal Register citations affecting § 81.330, see the List of CFR Sections Affected, which appears in the Finding Aids section of the printed volume and at www.govinfo.gov.