CFR > Title 40 - Protection of Environment > CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY > SUBCHAPTER C—AIR PROGRAMS (Parts 50–99) > PART 81—DESIGNATION OF AREAS FOR AIR QUALITY PLANNING PURPOSES > SUBPART C—Section 107 Attainment Status Designations (§81.300 to §81.356) > 81.321—Maryland.

81.321—Maryland.

Maryland—TSP
Designated area Does not meet primary standards Does not meet secondary standards Cannot be classified Better than national standards
Metropolitan Baltimore Intrastate AQCR:
(a) Baltimore City:
#111 Zones 61, 65-68 1 X
#112 Zone 72 X
#113 Zones 76-80 X
#117 Zones 94-100, 102, 103, 105-11 X
#118 Zones 114-137 X
#119 Zones 138, 140, 144, 146, 149 X
Zones 139, 141-143, 145, 147, 150-56 X
#120 Zones 157-66 X
#121 Zones 168-70, 172, 176-78, 180, 181 X
Zones 167, 171, 173-75, 179, 182 X
#123 Zones 187-90 X
#Zones 193-198 X
Zones 191, 192 X
#125 Zones 199-203 X
#126 Zone 207 X
Zones 204-06 X
(b) Baltimore County:
#325 Zones 417, 418, 420, 421 X
#326 Zones 428, 431 X
#328 Zone 446 X
#329 Zones 449, 453-58 X
Zones 450-52, 459 X
#330 Zones 461, 462 X
Zones 460, 463-68 X
#331 Zones 469-72 X
(c) Anne Arundel County:
#201 Zones 208, 209 X
#203 Zones 221-28 X
#204 Zones 230 X
(d) Remainder of AQCR X
Cumberland-Keyser Interstate AQCR:
(a) Election District No. 8, Luke, MD X
(b) Remainder AQCR X
Central Maryland Interstate AQCR X
National Capital Interstate AQCR X
Southern Maryland Intrastate AQCR X
Eastern Shore Intrastate AQCR X
1 Regional Planning Districts—defined by the Baltimore Regional Planning Council, Maps showing Districts and non-attainment areas available for inspection at the offices of: EPA, Region III, 6th and Walnut Streets, Phila., Pa. 19106; Md. Bureau of Air Quality and Noise Control, 201 West Preston Street, Baltimore, Md. 21201.
Maryland—SO2
Designated area Does not meet primary standards Does not meet secondary standards Cannot be classified Better than national standards
Cumberland-Keyser Interstate AQCR, Election District No. 8, Luke, Md X
Remainder of State X
Maryland—Carbon Monoxide
Designated area Designation Classification
Date 1 Type Date 1 Type
Baltimore Area
Baltimore City (part)
Regional Planning District No. 118 (generally corresponding to the Central Business District) 12/15/95 Attainment
Washington Area
Montgomery County (part)
Election Districts 4, 7, 13 Attainment
Prince George's County (part)
Election Districts 2, 6, 12, 16, 17, 18 Attainment
Code of Federal Regulations 292
AQCR 047 National Capital Interstate (Remainder of) Unclassifiable/Attainment
Montgomery County (part)
Remainder of county
Prince George's County (part)
Remainder of County
AQCR 112 Central Maryland Intrastate Unclassifiable/Attainment
Frederick County
AQCR 113 Cumberland-Keyser Interstate Unclassifiable/Attainment
Allegany County
Garrett County
Washington County
AQCR 114 Eastern Shore Interstate Unclassifiable/Attainment
Caroline County
Cecil County
Dorchester County
Kent County
Queen Anne's County
Kent County 12/22/06 Attainment
Queen Anne's County 12/22/06 Attainment
Somerset County
Talbot County
Wicomico County
Worcester County
AQCR 115 Metro. Baltimore Intrastate (Remainder of) Unclassifiable/Attainment
Anne Arundel County
Baltimore City (part)
Remainder of City
Baltimore County
Carroll County
Harford County
Howard County
AQCR 116 Southern Maryland Intrastate Unclassifiable/Attainment
Calvert County
Charles County
St. Mary's County
1 This date is November 15, 1990, unless otherwise noted.
Maryland—Ozone (1-Hour Standard)2
Designated area Designation Classification
Date 1 Type Date 1 Type
Baltimore Area:
Anne Arundel County 11/15/90 Nonattainment 11/15/90 Severe-15.
Baltimore
City of Baltimore 11/15/90 Nonattainment 11/15/90 Severe-15.
Baltimore County 11/15/90 Nonattainment 11/15/90 Severe-15.
Carroll County 11/15/90 Nonattainment 11/15/90 Severe-15.
Harford County 11/15/90 Nonattainment 11/15/90 Severe-15.
Howard County 11/15/90 Nonattainment 11/15/90 Severe-15.
Kent County and Queen Anne's County Area:
Kent County 10/21/04 Attainment
Queen Anne's County 10/21/04 Attainment
Philadelphia-Wilmington-Trenton Area:
Cecil County 11/15/90 Nonattainment 11/15/90 Severe-15.
Washington, DC Area:
Calvert County Nonattainment 3/25/03 Severe
Charles County Nonattainment 3/25/03 Severe
Frederick County Nonattainment 3/25/03 Severe
Montgomery County Nonattainment 3/25/03 Severe
Prince George's County Nonattainment 3/25/03 Severe
AQCR 113 Cumberland-Keyser Interstate Unclassifiable/Attainment
Allegany County
Garrett County
Washington County
AQCR 114 Eastern Shore Interstate (Remainder of) Unclassifiable/Attainment
Caroline County
Dorchester County
Somerset County
Talbot County
Code of Federal Regulations 293
Wicomico County
Worcester County
AQCR 116 Southern Maryland Intrastate (Remainder of) Unclassifiable/Attainment
St. Mary's County
1 This date is October 18, 2000, unless otherwise noted.
2 The 1-hour ozone standard is revoked effective June 15, 2005 for all areas in Maryland except the Washington Co. area where it is revoked effective April 15, 2009.
Maryland—NO2
Designated area Does not meet primary standards Cannot be classified or better than national standards
State of Maryland X
Maryland—Ozone (8-Hour Standard)
Designated area Designation a Category/classification
Date 1 Type Date 1 Type
Baltimore, MD:
Anne Arundel County Nonattainment Subpart 2 /Moderate. 4
City of Baltimore Nonattainment Subpart 2 /Moderate. 4
Baltimore County Nonattainment Subpart 2 /Moderate. 4
Carroll County Nonattainment Subpart 2 /Moderate. 4
Harford County Nonattainment Subpart 2 /Moderate. 4
Howard County Nonattainment Subpart 2 /Moderate. 4
Kent and Queen Anne's Area
Kent County January 22, 2007 Attainment
Queen Anne's County January 22, 2007 Attainment
Washington County (Hagerstown), MD:
Washington County (2) Attainment
Philadelphia-Wilmin-Atlantic Ci, PA-NJ-MD-DE:
Cecil County Nonattainment Subpart 2 /Moderate.4
Washington, DC-MD-VA:
Calvert County Nonattainment Subpart 2 /Moderate.
Charles County Nonattainment Subpart 2 /Moderate.
Frederick County Nonattainment Subpart 2 /Moderate.
Montgomery County Nonattainment Subpart 2 /Moderate.
Prince George's County Nonattainment Subpart 2 /Moderate.
AQCR 113 Cumberland-Keyser Interstate Unclassifiable/Attainment
Allegany County
Garrett County
AQCR 114 Eastern Shore Interstate (remainder of) Unclassifiable/Attainment
Caroline County
Dorchester County
Somerset County
Talbot County
Wicomico County
Worcester County
AQCR 116 Southern Maryland Intrastate (remainder of) Unclassifiable/Attainment
St. Mary's County
Code of Federal Regulations 294
a Includes Indian Country located in each county or area, except as otherwise specified.
1 This date is June 15, 2004, unless otherwise noted.
2 Effective April 15, 2008.
3 November 22, 2004.
4 Attainment date extended to June 15, 2011.
Maryland—PM2.5
Designated area Designation a
Date 1 Type
Baltimore, MD:
Anne Arundel County NonAttainment.
Baltimore County NonAttainment.
Carroll County NonAttainment.
Harford County NonAttainment.
Howard County NonAttainment.
City of Baltimore NonAttainment.
Martinsburg, WV-Hagerstown, MD:
Washington County NonAttainment.
Washington, DC-MD-VA:
Charles County NonAttainment.
Frederick County NonAttainment.
Montgomery County NonAttainment.
Prince George's County NonAttainment.
AQCR 113 Cumberland-Keyser Interstate:
Allegany County Unclassifiable/Attainment.
Garrett County Unclassifiable/Attainment.
AQCR 114 Eastern Shore Interstate (remainder of):
Caroline County Unclassifiable/Attainment.
Cecil County Unclassifiable/Attainment.
Dorchester County Unclassifiable/Attainment.
Kent County Unclassifiable/Attainment.
Queen Anne's County Unclassifiable/Attainment.
Somerset County Unclassifiable/Attainment.
Talbot County Unclassifiable/Attainment.
Wicomico County Unclassifiable/Attainment.
Worcester County Unclassifiable/Attainment.
AQCR 116 Southern Maryland Intrastate (remainder of):
Calvert County Unclassifiable/Attainment.
St. Mary's 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.
Maryland—PM2.5 [24-hour NAAQS]
Designated area Designation for the 1997 NAAQS a Designation for the 2006 NAAQS a
Date 1 Type Date 2 Type
AQCR 047 National Capital Interstate (DC-MD-VA) (part):
Montgomery County Unclassifiable/Attainment Unclassifiable/Attainment.
Prince George's County Unclassifiable/Attainment Unclassifiable/Attainment.
Metropolitan Baltimore Intrastate AQCR:
Anne Arundel County Unclassifiable/Attainment Unclassifiable/Attainment.
Baltimore County Unclassifiable/Attainment Unclassifiable/Attainment.
City of Baltimore Unclassifiable/Attainment Unclassifiable/Attainment.
Carroll County Unclassifiable/Attainment Unclassifiable/Attainment.
Harford County Unclassifiable/Attainment Unclassifiable/Attainment.
Howard County Unclassifiable/Attainment Unclassifiable/Attainment.
AQCR 112 Central Maryland Intrastate:
Frederick County Unclassifiable/Attainment Unclassifiable/Attainment.
Code of Federal Regulations 295
AQCR 113 Cumberland-Keyser Interstate:
Allegany County Unclassifiable/Attainment Unclassifiable/Attainment.
Garrett County Unclassifiable/Attainment Unclassifiable/Attainment.
Washington County Unclassifiable/Attainment Unclassifiable/Attainment.
AQCR 114 Eastern Shore Intrastate:
Caroline County Unclassifiable/Attainment Unclassifiable/Attainment.
Cecil County Unclassifiable/Attainment Unclassifiable/Attainment.
Dorchester County Unclassifiable/Attainment Unclassifiable/Attainment.
Kent County Unclassifiable/Attainment Unclassifiable/Attainment.
Queen Anne's County Unclassifiable/Attainment Unclassifiable/Attainment.
Somerset County Unclassifiable/Attainment Unclassifiable/Attainment.
Talbot County Unclassifiable/Attainment Unclassifiable/Attainment.
Wicomico County Unclassifiable/Attainment Unclassifiable/Attainment.
Worcester County Unclassifiable/Attainment Unclassifiable/Attainment.
AQCR 116 Southern Maryland Intrastate:
Calvert County Unclassifiable/Attainment Unclassifiable/Attainment.
Charles County Unclassifiable/Attainment Unclassifiable/Attainment.
St. Mary's County Unclassifiable/Attainment 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.
2 This date is 30 days after November 13, 2009, unless otherwise noted.

Code of Federal Regulations

[43 FR 40510, Sept. 12, 1978]

Code of Federal Regulations

Editorial Note: For Federal Register citations affecting § 81.321 see the List of CFR Sections Affected which appears in the Finding Aids section of the printed volume and at www.fdsys.gov.