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Nitrogen Dioxide (NO2) and Sulfur Dioxide (SO2) Secondary Standards -
Documents from Review Completed in 2012 -
Litigation

Information provided for informational purposes only Note: EPA no longer updates this information, but it may be useful for historical purposes. See the SO2 and NO2 Secondary Standards Home Page for documents from the current review of the SO2 and NO2 Secondary NAAQS.

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File Description File Date File Types
November 2007 Consent Decree with schedules for SO2 and NO2 primary NAAQS and NO2/SO2 secondary NAAQS reviews 11/19/2007 PDF file
72 KB
Notice of proposed consent decree - request for public comment 09/20/2007 PDF file
80 KB

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