Federal Register - "Approval and Promulgation of State Implementation Plans; State of Wyoming; Regional Haze Rule Requirements for Mandatory Class I Areas Under 40 CFR 51.309"

Title: Approval and Promulgation of State Implementation Plans; State of Wyoming; Regional Haze Rule Requirements for Mandatory Class I Areas Under 40 CFR 51.309 Source: Federal Register Data/Action: ENVIRONMENTAL PROTECTION AGENCY (Final Rule) Date: 12/12/2012 Text Preview: ] ----------------------------------------------------------------------- ENVIRONMENTAL PROTECTION AGENCY 40 CFR Part 52 [EPA-R08-OAR-2011-0400; FRL-9756-9] Approval and Promulgation of State Implementation Plans; State of Wyoming; Regional Haze Rule Requirements for Mandatory Class I Areas Under 40 CFR 51.309 AGENCY: Environmental Protection Agency (EPA). ACTION: Final rule documents in the docket are listed on the www.regulations.gov Web site. Publicly available docket materials are available either electronically through www.regulations.gov , or in hard copy at the Air Program, Environmental Protection Agency (EPA), Region 8, 1595 Wynkoop Street, Denver, Colorado CONTACT: Laurel Dygowski, Air Program, Mailcode 8P-AR, Environmental Protection Agency, Region 8, 1595 Wynkoop Street, Denver, Colorado 80202-1129, (303) 312-6144, dygowski.laurel@epa.gov . SUPPLEMENTARY INFORMATION: Definitions For the purpose of this document, we are giving meaning to certain