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National Ambient Air Quality Standards (NAAQS)

Nitrogen Dioxide (NO2) Primary Standards -
Documents from Current Review -
FR Notices


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Rulemaking Notices / Public Hearings

none at this time


Pre-Rulemaking Documents / Availability and Opportunities for Public Comment

Extension of Public Comment Period – Integrated Science Assessment – Second External Review Draft 03/20/2015 PDF file
1pg, 192 KB
Notice of Availability and Public Comment Period – Integrated Science Assessment – Second External Review Draft 01/30/2015 PDF file
2pp, 237 KB
Notice of Availability – Final Integrated Review Plan 06/30/2014 PDF file
2pp, 216 KB
Notice of Availability and Public Comment Period - Integrated Review Plan Draft 02/06/2014 PDF file
215 KB
Notice of Availability and Public Comment Period - Integrated Science Assessment: First External Review Draft 11/22/2013 PDF file
217 KB
Notice of Availability - Draft Plan for the Integrated Science Assessment 05/03/2013 PDF file
238 KB
Notice of Workshop to Inform EPA's Review of the Primary NO2 NAAQS and Call for Information on Integrated Science Assessment for Oxides of Nitrogen - Health Criteria


02/10/2012 PDF file
159 KB

Public Meetings / Workshops

Notification of CASAC Teleconference – May 7, 2014 03/28/2014 PDF file
213 KB
Notice of CASAC meeting - March 12-13, 2014 02/13/2014 PDF file
200 KB
Notice of Workshop on Preliminary Draft Materials for Integrated Science Assessment 05/10/2013 PDF file
195 KB
Notice of CASAC Teleconference � June 5, 2013 05/09/2013 PDF file
237 KB
Notice of Workshop to Inform EPA's Review of the Primary NO2 NAAQS and Call for Information on Integrated Science Assessment for Oxides of Nitrogen - Health Criteria 02/10/2012 PDF file
159 KB

File Utilities

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