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Sulfur Dioxide Designations

2010 Sulfur Dioxide Standards — Region 8 State Recommendations and EPA Responses

States' recommendation documents and EPA's responses are available below.

Tribal information is available on the Tribal Recommendations page.

Region 8

You will need Adobe Reader to view some of the files on this page. See EPA's PDF page to learn more.

State State
Updated State
EPA Response State Remarks
on EPA Response
Colorado Letter (PDF) (12pp, 4.6 MB) Letter (PDF) (12pp, 4.6 MB) Letter (PDF) (2pp, 38k)  
Montana Letter (PDF) (26pp, 625k)   Letter (PDF) (2pp, 43k)
Attachment (PDF) (17pp, 1.3 MB)
Letter (PDF) (35pp, 3.0 MB)
North Dakota Letter (PDF) (6pp, 91k)   Letter (PDF) (2pp, 37k)  
South Dakota Letter (PDF) (15pp, 7.3 MB)   Letter (PDF) (2pp, 37k)  
Utah Letter (PDF) (1pg, 380k) Letter (PDF) (1pg, 63k) Letter (PDF) (2pp, 37k)  
Wyoming Letter (PDF) (4pp, 1.6 MB)   Letter (PDF) (2pp, 38k)  

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Region 8 tribal information

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