Technology Transfer Network
National Ambient Air Quality Standards (NAAQS)
Nitrogen Dioxide (NO2) and Sulfur Dioxide (SO2) Secondary Standards -
Documents from Review Completed in 2012 -
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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||
|Notice of proposed consent decree - request for public comment||09/20/2007||