

                                       
                                       
                                       
                                March 14, 2012

MEMORANDUM
SUBJECT:	Incorporation of the Science Assessment for Sulfur Oxides and Science 				Assessment for Nitrogen Oxides Dockets (SOx: EPA-HQ-ORD-2006-0260, NOx: 		EPA-HQ-ORD-2005-0029) into the Review of the National Ambient Air Quality 			Standards for Oxides of Nitrogen and Sulfur Docket (EPA-HQ-OAR-2007-1145)
FROM:	Ginger Tennant
		Health and Environmental Impacts Division

TO:		Rulemaking Docket for Oxides of Nitrogen and Sulfur (EPA-HQ-OAR-2007-			1145)

	Materials contained in Dockets No. EPA-HQ-ORD-2006-0260 and EPA-HQ-ORD-2005-0029 (Science Assessment for Sulfur Oxides and Science Assessment for Nitrogen Oxides) will be incorporated by reference into the Review of the National Ambient Air Quality Standards for Oxides of Nitrogen and Sulfur Docket (EPA-HQ-OAR-2007-1145).

		
		


