06/15/2021 - Details for the Virtual 2021 Regional, State, and Local (RSL) Dispersion Modelers' Workshop (1-5pm, June 21-23) are now available. The workshop will be open to industry and outside stakeholders in addition to the co-regulatory agencies on June 21st.
05/28/2021 - A Model Clearinghouse Concurrence Memorandum to Region 5 regarding a stack-specific alternative modeling approach for applying downwash in AERMOD for the Ahlstrom-Munksjö pulp and paper mill in Rhinelander, Wisconsin (Rhinelander facility) has been added to the MCHISRS database.
05/24/2021 - The presentation slides from the AERMOD Modeling System (dated 21112) Release Webinar are now available.
05/11/2021 - An updated version of AERMOD Modeling System (dated 21112) is now available. Specifically, the AERSCREEN, AERMET, and AERMOD executables, source code, documentation, and test cases have been revised.
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