Federal Register - "Reconsideration of the Area Designation for the 2010 1-Hour Sulfur Dioxide (SO2"

Title: Reconsideration of the Area Designation for the 2010 1-Hour Sulfur Dioxide (SO2 Source: Federal Register Data/Action: Environmental Protection Agency (Final Rule) Date: 9/13/2019 Text Preview: ...ENVIRONMENTAL PROTECTION AGENCY 40 CFR Part 81 [EPA-HQ-OAR-2019-0011; FRL-9999-60-OAR] RIN 2060-AU14 Reconsideration of the Area Designation for the 2010 1-Hour Sulfur Dioxide (SO2) Primary National Ambient Air Quality Standard for Williamson County, Illinois AGENCY: Environmental Protection Agency (EPA). ACTION: Final rule. ----------------------------------------------------------------------- SUMMARY: The Environmental Protection Agency (EPA)... ...EPA Administrator signed a final action that designated the Williamson County, Illinois area as nonattainment based on a review of available information. On September 12, 2016, Southern Illinois Power Cooperative (SIPC), the owner of the largest source of SO 2 emissions in the area (the Marion Power Station), submitted to the EPA an updated modeling analysis that characterized SO 2 air quality in the area at the time of the final designation action. The EPA... ...EPA is changing the initial designation of Williamson County, Illinois, from nonattainment to attainment/unclassifiable. DATES: This final rule is effective on October 15, 2019. ADDRESSES: The EPA has established a docket for this action under Docket ID No. EPA-HQ-OAR-2019-0011...