Updated Air Dispersion Modeling Guidance and Form MD Available 8/25/2021 4:01:00 PM View Count 1492 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The updates remove references to the 24-hour and annual SO2 National Ambient Air Quality Standards (NAAQS), which have been revoked.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 1212 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.