Approval and Promulgation of Implementation Plan; Wisconsin

摘要

The USEPA is proposing to approve a revision to Wisconsin's State Implementation Plan (SIP) for ozone. On September 22, 1993, the Wisconsin Department of Natural Resources (WDNR) submitted volatile organic compound (VOC) rules to the USEPA as a proposed revision to Wisconsin's ozone SIP. These rules replace the Chapter NR 154 (154 series) regulations currently contained in Wisconsin's federally approved ozone SIP with Chapter NR 400 (400 series) regulations which are consistent with the current Wisconsin Administrative Code. In addition to renumbering Wisconsin's VOC regulations, this revision addresses the following: the requirement of Wisconsin's March 9, 1984 SIP that the State submit major source non-control technology guideline (non-CTG) reasonably available control technology (RACT) regulations; the USEPA's SIP call of May 26, 1988; the requirement of the Clean Air Act as amended in 1990 (Act) that States correct deficient VOC RACT rules (``fix-up'' requirement); and the requirement of the Act that States adopt VOC RACT rules where not previously required (``catch-up'' requirement). Further, this revision redefines RACT for non-vapor conveyorized degreasers, high performance