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Area Designations for 2006 24-Hour Fine Particle (PM2.5) Standards

2006 24-Hour PM2.5 Standards — Region 8 Area Status December 2008 (Not Final)

These are not final designations. The notice outlining these area boundaries never became effective.

This table identifies all counties EPA intended to designate as nonattainment based on 2005-2007 data. Partial counties are identified by a (P). If a county is not listed below, EPA expected it to be designated unclassifiable/attainment.

State Area Name Counties
Colorado Entire State is unclassifiable/attainment
Montana Libby, MT Lincoln (P)
North Dakota Entire State is unclassifiable/attainment
South Dakota Entire State is unclassifiable/attainment
Utah Logan, UT-ID Cache (P)
Provo, UT Utah (P)
Salt Lake City, UT Box Elder (P)
Davis
Salt Lake
Tooele (P)
Weber (P)
Wyoming Entire State is unclassifiable/attainment

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