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Particulate Matter (PM) Standards -
Documents from Review Completed in 2012 -
Response to Comments Documents

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
	Responses to Significant Comments on the 2012 Proposed Rule on the National Ambient Air Quality Standards for Particulate Matter (June 29, 2012; 77 FR 38890)	Dec 2012	2.1 MB

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