Approval and Promulgation of Air Quality Implementation Plans; Wisconsin; Approval of Rule Clarifications

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EPA is approving revisions to the Wisconsin State Implementation Plan (SIP) submitted by the Wisconsin Department of Natural Resources (WDNR) on March 28, 2008. The WDNR has submitted for approval revisions to incorporate Federal regulations into the Wisconsin Administrative Code, to clarify construction permit requirements under general permits, to revise portable source relocation requirements, and to amend rule language to streamline the minor revision permit process to allow construction permits to be issued concurrently with operation permits. EPA is approving these revisions because they are consistent with Federal regulations governing State permit programs.