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Illinois Construction Permit Program Approval History

Federal Register Date	Type	Federal Register Notices
9-27-1995	Final	Nonattainment NSR Rules (9-23-94 Proposed Action)
5-13-2003	Direct - Final	Nonattainment NSR Amendments
4-30-2007	Direct - Final	Permit Exemptions
9-9-2021	Final	Prevention of Significant Deterioration (previous action: 4-28-21 Proposed Approval)

Prior to October 12, 2021, EPA had delegated the authority to implement the federal PSD program to the Illinois Environmental Protection Agency pursuant to 40 CFR 52.21.

Illinois Construction Permit Program Approval History

Permitting Under the Clean Air Act