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Nitrogen Dioxide (NO2) Primary Standards -
Documents from Review Completed in 2010 -
Risk and Exposure Assessments

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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File Description File Date File Types
Investigation of How Distributions of Hourly NO2 Concentrations Have Changed Over Time in Six Cities, Rizzo memo (11/20/08) Nov 2008 pdf file
5.1 MB
Air Quality Statistics Referenced in Key U.S. NO2 Epidemiology Papers, Thompson and Jenkins memo (11/25/08) Nov 2008 pdf file
944 KB
NO2 Descriptive Statistics Tables, Thompson memo (11/5/08) Nov 2008 pdf file
672 KB
NOx Network Review and Background, Watkins and Thompson memo (11/26/08) Nov 2008 pdf file
526 KB
NO2 Risk and Exposure Assessment Report: Final Appendices Nov 2008 pdf file
8.1 MB
NO2 Risk and Exposure Assessment Report: Final Nov 2008 pdf file
12.3 MB
NO2 Risk and Exposure Assessment Report - Second Draft; Chapter 8 Oct 2008 pdf file
2.1 MB
NO2 Risk and Exposure Assessment Report - Second Draft; Appendix B Oct 2008 pdf file
4.5 MB
NO2 Risk and Exposure Assessment Report - Second Draft (This document does not contain chapter 8) Aug 2008 pdf file
1.0 MB
Appendices to NO2 Risk and Exposure Assessment Report - (This document does not contain a complete Appendix B. Appendix C in this file is a corrected version that addresses several format issues.) Aug 2008 pdf file
14.7 MB
Comparison of the estimated number of exceedances of potential health effect benchmark levels on roads generated with and without ambient monitors located near major roadways - Graham, 4/18/08 memo Apr 2008 pdf file
105 KB
NO2 Risk and Exposure Assessment Report - First Draft Apr 2008 pdf file
1.3 MB
NO2 Risk and Exposure Assessment TSD - First Draft Apr 2008 pdf file
8.7 MB

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