Louisville Metro Air Pollution Control District; New Stationary Sources; Delegation of Authority

Document Headings Document headings vary by document type but may contain the following: the agency or agencies that issued and signed a document the number of the CFR title and the number of each part the document amends, proposes to amend, or is directly related to the agency docket number / agency internal file number the RIN which identifies each regulatory action listed in the Unified Agenda of Federal Regulatory and Deregulatory Actions See the Document Drafting Handbook for more details. Environmental Protection Agency [EPA-R04-OAR-2024-0556; FRL-12424-01-R4] AGENCY: Environmental Protection Agency (EPA). ACTION: Notice of delegation of authority. SUMMARY: On July 25, 2023, the Louisville Metro Air Pollution Control District (LMAPCD) requested delegation of authority to implement and enforce the New Source Performance Standards (NSPS) under the Clean Air Act (CAA) using the “adopt-by-reference” mechanism. To inform regulated facilities and the public, the Environmental Protection Agency (EPA) is providing notice that it approved the LMAPCD's request on August 20, 2024. DATES: On August 20, 2024, EPA sent the LMAPCD a letter approving the LMAPCD's request for delegation of authority to implement and enforce the Federal NSPS. ADDRESSES: EPA has established a docket for this action under Docket ID No. EPA-R04-OAR-2024-0556 at https://www.regulations.gov . Copies of the request for delegation of authority and EPA's approval letter are included in the docket and are available for public inspection during normal business hours at the following locations: Environmental Protection Agency, Region 4, Air and Radiation Division, Air Analysis and Support Branch, 61 Forsyth Street SW, Atlanta, Georgia 30303-8960. Louisville Metro Air Pollution Control District, 701 West Ormsby Avenue, Suite 303, Louisville, Kentucky 40203-3137. FOR FURTHER INFORMATION CONTACT: Henian Zhang, Regulatory and Community Air Toxics Section, Air Analysis and Support Branch, Air and R…