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Nitrogen Dioxide (NO2) Primary Standards -
Documents from Review Completed in 2010 -
Regulatory Impact Analysis

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
Final Regulatory Impact Analysis (RIA) for the NO2 NAAQS Jan 2010 pdf file
2.6 MB
Regulatory Impact Analysis (RIA) for the Proposed NO2 NAAQS July 2009 pdf file
4.8 MB

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