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Area Designations for 1997 Fine Particle (PM2.5) Standards

1997 PM2.5 Standards — Region 3 State Designations


Information provided for informational purposes only Note: EPA no longer updates this information, but it may be useful for historical purposes. See the PM Designations Home Page for more recent information about PM Designations.

Boundary Designations for the 1997 PM2.5 Standard - EPA Region 3

Map showing PM2.5 designations for 1997 standard for Region 3 Map legend

This table identifies all counties EPA has designated as nonattainment. In some cases EPA designated partial counties. These are identified by a (P). If a county is not listed below, EPA has designated it as unclassifiable/attainment.

State Area Name Counties
Delaware Philadelphia-Wilmington, PA-NJ-DE New Castle
District of Columbia Washington, DC-MD-VA District of Columbia
Maryland* Baltimore, MD Anne Arundel
Baltimore City
Baltimore
Carroll
Harford
Howard
Hagerstown-Martinsburg, MD-WV Washington
Washington, DC-MD-VA Charles
Frederick
Montgomery
Prince George's
Pennsylvania* Harrisburg-Lebanon-Carlisle, PA Cumberland
Dauphin
Lebanon
Johnstown, PA Cambria
Indiana (P)
Lancaster,  PA Lancaster
Philadelphia-Wilmington, PA-NJ-DE Bucks
Chester
Delaware
Montgomery
Philadelphia
Pittsburgh, PA Allegheny (P)
Armstrong (P)
Beaver
Butler
Greene (P)
Lawrence (P)
Washington
Westmoreland 
Pittsburgh-Liberty/Clairton , PA Allegheny (P)
Reading, PA Berks
York,  PA York
Virginia* Washington, DC-MD-VA Alexandria
Arlington
Fairfax
Loudoun
Prince William
Falls Church
Manassas
Manassas Park
Fairfax City
West Virginia* Charleston, WV Kanawha
Putnam
Huntington-Ashland, WV-KY-OH Cabell
Wayne
Mason (P)
Hagerstown- Martinsburg, MD-WV Berkeley
Parkersburg-Marietta, WV-OH Pleasants (P)
Wood
Steubenville-Weirton, OH-WV Brooke
Hancock
Wheeling, WV-OH Marshall
Ohio
*See correspondence related to the April, 2005 supplemental notice for information about changes to designations since the December, 2004 action.

Region 3 Recommendations and EPA Responses

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