Area Designations for 2006 24-Hour Fine Particle (PM2.5) Standards
2006 24-Hour PM2.5 Standards — Region 3 Final Designations, October 2009
Boundary Designations for the 2006 PM2.5 Standards - EPA Region 3
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 | Entire District is unclassifiable/attainment | |
| Maryland | Entire State is unclassifiable/attainment | |
| Pennsylvania | Allentown, PA | Lehigh Northampton |
| Harrisburg-Lebanon-Carlisle-York, PA | Cumberland Dauphin Lebanon York |
|
| Johnstown, PA | Cambria Indiana (P) |
|
| Lancaster, PA | Lancaster | |
| Liberty-Clairton, PA | Allegheny (P) | |
| Philadelphia-Wilmington, PA-NJ-DE | Bucks Chester Delaware Montgomery Philadelphia |
|
| Pittsburgh-Beaver Valley, PA | Allegheny (P) Armstrong (P) Beaver Butler Greene (P) Lawrence (P) Washington Westmoreland |
|
| Virginia | Entire State is unclassifiable/attainment | |
| West Virginia | Charleston, WV | Kanawha Putnam |
| Steubenville-Weirton, OH-WV | Brooke Hancock |
|
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Recommendations from Region 3 States and EPA Responses
Region 3 Area Status December 2008 (Not Final)