Wednesday, May 22, 2013

Wisconsin Prevention of Significant Deterioration For GHG Emissions Approved

In a final rule, US EPA has approved revisions to the Wisconsin State Implementation Plan (SIP), submitted by the Wisconsin Department of Natural Resources (WDNR) in 2011 and 2012. The revisions modify Wisconsin's Prevention of Significant Deterioration (PSD) program to establish emission thresholds for determining which new stationary sources and modification projects become subject to Wisconsin's PSD permitting requirements for their greenhouse gas (GHG) emissions. Additionally, these revisions defer until July 21, 2014, the application of the PSD permitting requirements to biogenic carbon dioxide (CO2) emissions from bioenergy and other biogenic stationary sources in the State of Wisconsin. EPA has made the preliminary determination that these revisions are in accordance with the Clean Air Act (CAA) and EPA regulations regarding PSD permitting for GHGs and is approving Wisconsin's revisions.

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