Approval and Promulgation of Implementation Plan; Illinois

On June 29, 1990, the United States Environmental Protection Agency (USEPA) promulgated a Federal Implementation Plan (FIP) which contains stationary source volatile organic compound (VOC) control measures representing reasonably available control technology (RACT) for emission sources located in six northeastern Illinois (Chicago area) counties: Cook, DuPage, Kane, Lake, McHenry and Will. Included in USEPA's rules was a requirement that major non-Control Technique Guideline (CTG) sources be subject to 40 CFR 52.741 (s), (u), (v), (w), or (x). The major non-CTG limits in 40 CFR 52.741(x) (would, if not for this rule) apply to the hot and cold aluminum rolling operations at the Reynolds Metals Company's (Reynolds) McCook Sheet & Plate Plant in McCook, Illinois (in Cook County). On August 19, 1991, Reynolds requested that USEPA reconsider the application of 40 CFR 52.741(x) to its facility in McCook, Illinois, and on October 17, 1991, Reynolds requested that USEPA promulgate site-specific RACT limits for its hot and cold rolling mills. USEPA agreed to reconsider the RACT control requirements for Reynolds' aluminum rolling operations and, on September 22, 1993, proposed site-specific RACT control requirements for these operations. In this rule the USEPA is promulgating these site-specific RACT limits.