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Electronic Code of Federal Regulations

e-CFR data is current as of December 4, 2019

Title 40Chapter ISubchapter CPart 81Subpart C → §81.309


Title 40: Protection of Environment
PART 81—DESIGNATION OF AREAS FOR AIR QUALITY PLANNING PURPOSES
Subpart C—Section 107 Attainment Status Designations


§81.309   District of Columbia.

District of Columbia—TSP

Designated areaDoes not meet primary standardsDoes not meet secondary standardsCannot be classifiedBetter than national standards
1. Area bounded by: East Capitol Street S.E., District Line (Southern Avenue S.E.), Eastern Shore of Potomac River and Eastern Shore of Anacostia RiverX
2. Area bounded by: Francis Scott Key Bridge, M Street, N.W., 23rd Street N.W., Florida Avenue N.W., U Street N.W., Florida Avenue N.W.-N.E., 4th Street N.E.-S.E. Southeast-Southwest Freeway (I295, I395), 15th Street S.W.-N.W., Constitution Avenue N.W., Theodore Roosevelt Memorial Bridge, Potomac RiverX
3. Remainder of the District of Columbia portion of the National Capital Interstate AQCRX

District of Columbia—1971 Sulfur Dioxide NAAQS

[Primary and Secondary]

Designated areaDoes not meet primary standardsDoes not meet secondary standardsCannot be classifiedBetter than national standards
National Capital Interstate AQCR—District of Columbia portionX

District of Columbia—2010 Sulfur Dioxide NAAQS

[Primary]

Designated area1Designation
Date2Type
District of ColumbiaAttainment/Unclassifiable.

1Includes 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.

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

District of Columbia-Carbon Monoxide

Designated area DesignationClassification
Date1TypeDate1Type
Washington Area:
Washington Entire Area.Attainment

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

District of Columbia—Ozone (1-Hour Standard)2

Designated area Designation Classification
Date1 Type Date1 Type
Washington Area: Washington Entire AreaNonattainment3/25/03Severe

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

2The 1-hour ozone standard is revoked effective June 15, 2005 for all areas in the District of Columbia.

District of Columbia—1997 Annual PM2.5 NAAQS

[Primary and Secondary]

Designated areaDesignationaClassification
Date1TypeDateType
Washington, DC-MD-VA:
District of Columbia10/6/14Attainment

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

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

2This date is July 2, 2014, unless otherwise noted.

District of Columbia—2012 Annual PM2.5 NAAQS

[Primary]

Designated area1DesignationClassification
Date2TypeDate2Type
AQCR 047 National Capital Interstate (DC-MD-VA) (part)
District of ColumbiaUnclassifiable/Attainment

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

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

District of Columbia—1997 24-Hour PM2.5 NAAQS

[Primary and Secondary]

Designated areaDesignationaClassification
Date1TypeDateType
AQCR 047 National Capital Interstate (DC-MD-VA) (part)
District of ColumbiaUnclassifiable/Attainment.

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

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

District of Columbia—2006 24-Hour PM2.5 NAAQS

[Primary and Secondary]

Designated areaDesignationaClassification
Date1TypeDateType
AQCR 047 National Capital Interstate (DC-MD-VA) (part)
District of ColumbiaUnclassifiable/Attainment.

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

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

District of Columbia—NO2 (1971 Annual Standard)

Designated areaDoes not meet primary standardsCannot be classified or better than national standards
National Capital Interstate AQCR—District of Columbia portionX

District of Columbia—NO2 (2010 1-Hour Standard)

Designated areaDesignationa
Date1Type
District of ColumbiaUnclassifiable/Attainment.

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

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

District of Columbia—1997 8-Hour Ozone NAAQS

[Primary and Secondary]

Designated area DesignationaCategory/classification
Date1Type Date1Type
Washington, DC-MD-VA:
District of ColumbiaNonattainmentSubpart 2/Moderate.

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

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

District of Columbia—2008 8-Hour Ozone NAAQS

[Primary and Secondary]

Designated areaDesignationClassification
DateTypeDateType
Washington, DC-MD-VA: District of Columbia1July 16, 2019Attainment

1Excludes Indian country located in each area, unless otherwise noted.

District of Columbia—2015 8-Hour Ozone NAAQS

[Primary and Secondary]

Designated area1DesignationClassification
Date2TypeDate2Type
Washington, DC-MD-VANonattainmentMarginal.
District of Columbia.

1Includes 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.

2This date is August 3, 2018, unless otherwise noted.

District of Columbia—2008 Lead NAAQS

Designated areaDesignation for the 2008 NAAQSa
Date1Type
Whole StateUnclassifiable/Attainment.

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

1December 31, 2011 unless otherwise noted.

[43 FR 40507, Sept. 12, 1978]

Editorial Note: For Federal Register citations affecting §81.309, see the List of CFR Sections Affected, which appears in the Finding Aids section of the printed volume and at www.govinfo.gov.

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