Federal Register - "Approval and Promulgation of Air Quality Implementation Plans; Wyoming; Interstate Transport for the 2008 Ozone National Ambient Air Quality Standards"

Title: Approval and Promulgation of Air Quality Implementation Plans; Wyoming; Interstate Transport for the 2008 Ozone National Ambient Air Quality Standards Source: Federal Register Data/Action: Environmental Protection Agency (Final Rule) Date: 4/10/2019 Text Preview: ...ENVIRONMENTAL PROTECTION AGENCY 40 CFR Part 52 [EPA-R08-OAR-2018-0723; FRL-9991-74-Region 8] Approval and Promulgation of Air Quality Implementation Plans; Wyoming; Interstate Transport for the 2008 Ozone National Ambient Air Quality Standards AGENCY: Environmental Protection Agency (EPA). ACTION: Final rule. ----------------------------------------------------------------------- SUMMARY: The Environmental Protection Agency (EPA)... ...EPA is taking this action pursuant to section 110 of the Clean Air Act (CAA). DATES: This rule is effective on May 10, 2019. ADDRESSES: The EPA has established a docket for this action under Docket ID No. EPA-R08-OAR-2018-0723... ...EPA, Region 8, Mailcode 8P-AR, 1595 Wynkoop Street, Denver, Colorado 80202-1129, (303) 312-7104, [email protected] . SUPPLEMENTARY INFORMATION: Throughout this document ``we,'' ``us,'' and ``our'' means the EPA. I. Background On February 3, 2017 (82 FR 9142), the EPA...