WDNR Indirect Source Air Permit Requirements Proposed Rule

The Wisconsin Department of Natural Resources will hold a public hearing November 18 on proposed amendments to Chapters. NR 400, 410, 411, and 484, relating to the indirect source air management permit program. The proposed rule revision will allow a general construction permit option for most indirect sources, providing a streamlined approach to permitting.

The proposed general construction permit option will eliminate carbon monoxide modeling as a requirement for most indirect source permit applications and will eliminate the screening level analysis for roadway capacity expansion projects. Indirect sources may still request a standard indirect source permit with carbon monoxide modeling. The proposed rule revision will eliminate the requirement for indirect source operational permits and focus control measures toward diesel and particulate matter emissions. The basis for permit exemptions is proposed to change from total vehicle capacity to total impervious surface dedicated to parking and maneuver.

The proposed rule revision includes an exemption option for sources that agree to adopt superior environmental performance through the Green Tier program. Green Tier is based on a collaborative system of contracts and charters crafted jointly by participating businesses and the DNR.

Caltha LLP provides expert environmental consultant services in Wisconsin to obtain air and wastewater permits, evaluate regulatory requirements, and to develop cost effective compliance programs.

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