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National Ambient Air Quality Standards (NAAQS)

Particulate Matter (PM) Standards -
Review Completed in 2006 -
Regulatory Impact Analysis

Information provided for informational purposes only Note: EPA no longer updates this information, but it may be useful for historical purposes. See the PM Standards Home Page for documents from the current review of the PM NAAQS.


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File Description File Date File Types
Fact Sheet 10-06-06 HTML file
Final Regulatory Impact Analysis (RIA) 10-06-06 HTML file
Federal Register Notice Announcing Availability of RIA (PDF, 2 pp, 56 KB) 10-06-06 PDF file

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