Reclassification of Major Sources as Area Sources Under Section 112 of the Clean Air Act

Rule Summary

EPA is proposing a rule to implement the clear language of the Clean Air Act that allows a “major source” of hazardous air pollutants (HAP) to reclassify as an “area source” after acting to limit emissions.

This proposal, which withdraws the “once in, always in” provision of the policy, would relieve reclassified facilities from regulatory requirements intended for much larger emitters. It would also encourage other sources to evaluate their operations and consider changes that would enable them to further reduce HAP emissions and reclassify. 

Rule History

Public Hearing

EPA held a public hearing for this proposed action in Washington, DC, on August 15, 2019. Learn more about the hearing.

Additional Resources

To submit comments on this proposed rulemaking, please visit https://www.regulations.gov EXITand follow the online instructions for submitting comments. Comments must be received on or before September 24, 2019. Please see the Fact Sheet (link below) for more information about submitting comments.

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