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Sulfur Dioxide (SO2) Pollution

2010 Sulfur Dioxide (SO2) National Ambient Air Quality Standards (NAAQS) Implementation Actions

EPA Makes Findings of Failure to Submit State Implementation Plans (SIP) Required for Attainment of the 2010 1-Hour Primary Sulfur Dioxide National Ambient Air Quality Standards (NAAQS)

March 10, 2016 - EPA finds that 11 states have failed to make State Implementation Plan submittals required under the Clean Air Act for 16 areas that were designated as nonattainment for the 1-Hour Primary Sulfur Dioxide National Ambient Air Quality Standard in 2013.

Docket No. EPA-HQ-OAR-2016-0098 contains the notices, public comments, and supporting documents for this action.

Regulatory Information

Learn about the final data requirements for air agencies to monitor or model ambient SO2 levels in areas with large sources of SO2 emissions by reading the SO2 Data Requirements Rule rule text, fact sheet and presentation overview.

To learn more about the standards, visit the page for the 2010 Primary National Ambient Air Quality Standards (NAAQS) for Sulfur Dioxide (SO2)

Guidance

Detailed implementation guidance can be found on the 2010 1-Hour Sulfur Dioxide (SO2) Primary National Ambient Air Quality Standards (NAAQS) Implementation Guidance Documents page.


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