Area Designations for 2006 24-Hour Fine Particle (PM2.5) Standards
2006 24-Hour PM2.5 Standards — Region 10 Final Designations, October 2009
Boundary Designations for the 2006 PM2.5 Standards - EPA Region 10
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 |
|---|---|---|
| Alaska | Fairbanks, AK | Fairbanks North Star (P) |
| Idaho | Logan, UT-ID | Franklin (P) |
| Oregon | Klamath Falls, OR | Klamath (P) |
| Oakridge, OR | Lane (P) | |
| Washington | Tacoma, WA | Pierce (P) |
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Recommendations from Region 10 States and EPA Responses
Region 10 Area Status December 2008 (Not Final)