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Wisconsin Department of Natural Resources (DNR) Air, Waste, and Remediation & Redevelopment Division (AWaRe) Air Management Program
See national section for basic information and federal regulations.
Comparison: State vs. Federal
• Rules. Wisconsin requires a facility to apply for and obtain a construction permit before beginning construction of a new source or modifying an existing source. New major sources or modifications to existing major sources must comply with the applicable provisions of nonattainment New Source Review (NSR) and/or Prevention of Significant Deterioration (PSD), depending on the attainment status of the area where the source is located and the type and quantity of air pollutants emitted. Wisconsin has adopted regulations that follow the current federal requirements for nonattainment NSR and PSD, with the exception of the provisions addressing PM-2.5 PSD increments. Wisconsin has yet to have provisions addressing PM-2.5 PSD increments incorporated into its state implementation plan (SIP). See the national section NEW SOURCE REVIEW for more information on NSR and PSD, including requirements for permitting sources of greenhouse gas (GHG) emissions.