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Reviewing National Ambient Air Quality Standards (NAAQS)

Particulate Matter (PM) Standards -
Documents from Review Completed in 2006 -
Response to Comments Documents

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.


From the listing below, find the file you would like to download. The document may be available in one or more file formats, as represented by the icons on the righthand side of the listing. Click on the icon that represents the format you wish to receive.

File Description File Date File Types
Responses to Significant Comments on the 2006 Proposed Rule on the National Ambient Air Quality Standards for Particulate Matter (January 17, 2006; 71 FR 2620) 09-21-06 PDF file
2.3 MB

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