Federal Register - "Air Plan Approval; Nevada, Las Vegas Valley; Second 10-Year Carbon Monoxide Limited Maintenance Plan"

Title: Air Plan Approval; Nevada, Las Vegas Valley; Second 10-Year Carbon Monoxide Limited Maintenance Plan Source: Federal Register Data/Action: Environmental Protection Agency (Final Rule) Date: 10/22/2021 Text Preview: ...ENVIRONMENTAL PROTECTION AGENCY 40 CFR Part 52 [EPA-R09-OAR-2021-0242; FRL-8725-02-R9] Air Plan Approval; Nevada, Las Vegas Valley; Second 10-Year Carbon Monoxide Limited Maintenance Plan AGENCY: Environmental Protection Agency (EPA). ACTION: Final rule. ----------------------------------------------------------------------- SUMMARY: The Environmental Protection Agency (EPA) is taking final action to approve a Nevada State Implementation Plan (SIP) revision submitted by the Nevada Department of Environmental Protection (NDEP). On September 27, 2010, the EPA... ...EPA a second 10-year limited maintenance plan for the Las Vegas Valley area that addresses maintenance of the CO NAAQS for a second 10-year period ending December 31, 2030. DATES: This rule is effective on November 22, 2021. ADDRESSES: The EPA has established a docket for this action under Docket ID No. EPA-R09-OAR-2021-0242... ...EPA Region IX, (415) 947-4151, [email protected] . SUPPLEMENTARY INFORMATION: Throughout this document, ``we,'' ``us,'' and ``our'' refer to the EPA...