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Reviewing National Ambient Air Quality Standards (NAAQS)

Particulate Matter (PM) Standards -
Documents from Review Completed in 1997 -

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
DC Circuit Court decision, March 26, 2002 Exit EPA disclaimer text file
Federal government brief to Supreme Court, July 21, 2000 Exit EPA disclaimer PDF file
Federal government petition for Supreme Court review, January 28, 2000 Exit EPA disclaimer PDF file
Federal government petition to DC Circuit Court for rehearing, June 28, 1999 PDF file
Summary of Court of Appeals Decision (6/28/99) PDF file
DC Circuit Court decision, May 14, 1999 text file
Link to Supreme court site which contains decision - see Whitman v. American Trucking Assns. Exit EPA disclaimer HTML file

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