DNR Seeking Input on Proposed Updates to Air Dispersion Modeling Guidance 6/11/2024 12:35:00 PM View Count 1612 The DNR is seeking public input on proposed changes to our air dispersion modeling guidance.
Updated Air Dispersion Modeling Guidance and Form MD Available 8/25/2021 4:01:00 PM View Count 1557 For those projects that may require modeling, DNR updated three guidance documents and Form MD. The updates remove references to the 24-hour and annual SO2 National Ambient Air Quality Standards (NAAQS), which have been revoked.
Updated Meteorological Data Available for Use in Air Dispersion Modeling 8/13/2021 1:47:00 PM View Count 1278 When the EPA released updates to the AERMOD modeling system on May 11, 2021, they included updates to AERMET, the preprocessor used to generate meteorological data for use in AERMOD.