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National Ambient Air Quality Standards (NAAQS)

Particulate Matter (PM) Standards -
Documents from Review Completed in 2012 -
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.

 

File Description File Date File Types
Regulatory Impact Analysis for the Final Revisions to the National Ambient Air Quality Standards for Particulate Matter Dec 2012 PDF file
10.2 MB
Regulatory Impact Analysis for the Proposed Revisions to the National Ambient Air Quality Standards for Particulate Matter June 2012 PDF file
4.2 MB

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