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SIP Status and Information

National Status of State SIP Requirements

Check a pollutant and click on the submit button to select from a list of requirements to view the SIP status.

Pollutant Selection:
CO (1971)
Lead (1978)
Lead (2008)
Ozone-1Hr (1979)
Ozone-8Hr (1997)
Ozone-8Hr (2008)
PM-10 (1987)
PM-2.5 (1997)
PM-2.5 (2006)
SO2 (1971)
SO2 (2010)

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