Area Designations for 2006 24-Hour Fine Particle (PM2.5) Standards
2006 24-Hour PM2.5 Standards — Region 8 Recommendations and EPA Responses
|Most states and tribes submitted recommendations to EPA for PM2.5 attainment and nonattainment areas in 2007.
State recommendations are presented below.
Tribal information is available on the Tribal Recommendations page.
EPA Intended Designations (Not Final)
States' recommendation and response documents are available below the map.
View EPA intended designations in tabular form
You will need Adobe Reader to view some of the files on this page. See EPA's PDF page to learn more.
The documents listed below are state and tribe responses to EPA's request for recommendations on the designation of areas for the 24-hour PM2.5 standard and EPA's responses to those submittals. These responses are provided here in PDF format for INFORMATIONAL PURPOSES ONLY and do not represent EPA's views on the appropriateness or adequacy of a state's or a tribe's recommendations.
The quality of these PDF files is quite variable and is the result of the quality of the documents provided by the states.
Recommendations Received by EPA Region 8 and EPA Responses
|State||State Recommendation||EPA Response||State Remarks on EPA Response|
|Colorado||Letter (PDF) (3 pp, 681KB)||Letter (PDF) (2 pp, 372KB)|
|Montana||Letter (PDF) (70 pp, 28.3MB)||Letter (PDF) (19 pp, 1.2MB)|
|North Dakota||Letter (PDF) (1 p, 134KB)||Letter (PDF) (2 pp, 377KB)|
|South Dakota||Letter (PDF) (12 pp, 2.6MB)||Letter (PDF) (2 pp, 378KB)|
|Utah||Letter (PDF) (66 pp, 23.1MB)||Letter (PDF) (91 pp, 8.7MB)||Letter (PDF) (14 pp, 215KB)|
|Wyoming||Letter (PDF) (4 pp, 857KB)||Letter (PDF) (2 pp, 360KB)|
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