Milwaukee

Wisconsin Environmental News

  • Wisconsin Updates Modeling and PSD Baseline Information  - 

    Last month, Trinity reported on several various air dispersion modeling updates being undertaken by the Wisconsin Department of Natural Resources (WDNR). Since then, the WDNR has published or released the following new information:Air dispersion »

  • Recent Reporting Updates for ROP C Permit Holders  - 

    The Wisconsin Department of Natural Resources (WDNR) has recently made certain reporting requirements available to Type C Registration Operation (ROP C) permit holders (i.e., printers). Starting this year, ROP C permit holders can submit their air »

  • Coming Soon in Wisconsin  - 

    The Wisconsin Department of Natural Resources (WDNR) is undergoing various air dispersion modeling and permitting updates, such as:Processing new meteorological data for air dispersion modeling. This data will reflect a more recent five-year period »

  • Finalized WDNR Air Quality Backgrounds  - 

    On December 19, 2016, the Wisconsin Department of Natural Resources (WDNR) Air Management Program finalized an update to the sulfur dioxide (SO2) and nitrogen dioxide (NO2) background concentration used in dispersion modeling.  These background »

  • Updated SO2 and NO2 Backgrounds  - 

    The Wisconsin Department of Natural Resources (WDNR) is proposing to update the existing guidance on background concentrations used in air dispersion modeling for permits.  The focus of the updates is the one-hour (1-hr) sulfur dioxide (SO2) and »

  • WDNR Adopting 1-Hour NO2 & SO2 NAAQS  - 

    Effective August 1, 2016, the Wisconsin Department of Natural Resources (WDNR) revised the state implementation plan (SIP) to adopt the federal National Ambient Air Quality Standards (NAAQS) for sulfur dioxide (SO2) and nitrogen dioxide (NO2) for »

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