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Nitrogen Dioxide (NO2) Primary Standards -
Documents from Review Completed in 2010 -
FR Notices

Information provided for informational purposes only Note: EPA no longer updates this information, but it may be useful for historical purposes. See the NO2 Standards Home Page for documents from the current review of the NO2 NAAQS.

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Rulemaking Notices / Public Hearings

Final Revisions to the Primary National Ambient Air Quality Standards (NAAQS) for NO2 02/09/2010 PDF file
418 KB
Announcement of Public Hearings for Primary NO2 NAAQS Proposal 07/15/2009 PDF file
76 KB
Proposed Revisions to Primary NAAQS for NO2 07/15/2009 PDF file
1.7 MB

Pre-Rulemaking Documents / Availability and Opportunities for Public Comment

Notification of Availability - Second Draft Risk and Exposure Assessment 09/02/2008 PDF file
83 KB
Notice of Extension of Public Comment Period - First Draft Risk and Exposure Assessment 04/25/2008 PDF file
95 KB
Notification of Availability - First Draft Risk and Exposure Assessment 04/14/2008 PDF file
93 KB
Integrated Science Assessment for NOx: Call for Information 12/09/2005 PDF file
54 KB

Public Meetings / Workshops

Notice of CASAC Teleconference - December 5, 2008 11/12/2008 PDF file
79 KB
Notice of CASAC Teleconference 10/22/08 09/24/2008 PDF file
78 KB
Notification of CASAC meeting Sept 9 and 10, 2008 07/25/2008 PDF file
87 KB
Notification of CASAC meeting May 1 and 2, 2008 04/11/2008 PDF file
101 KB
Workshop on Assessment of Health Science for Nitrogen Oxides (NOx) and Sulfur Oxides (SOx) 02/09/2007 PDF file
68 KB

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