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National Ambient Air Quality Standards (NAAQS)

Particulate Matter (PM) Standards -
Review Completed in 2006 -

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
US Court of Appeals, DC Circuit Court Decision, February 24, 2009
Feb 2009 pdf file
185 kb
December 2004 motion to modify consent decree schedule
Dec 2004 pdf file
102 kb
July 2003 consent decree schedule for PM and ozone NAAQS review
Jul 2003 pdf file
347 kb

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