New Source Performance Standards and National Emission Standards for Hazardous Air Pollutants; Delegation of Authority to Louisiana

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 40 CFR Parts 60, 61 and 63 [EPA-R06-OAR-2010-1054; FRL-12688-01-R6] AGENCY: Environmental Protection Agency (EPA). ACTION: Proposed rule. SUMMARY: The Louisiana Department of Environmental Quality (LDEQ) has ( printed page 26483) submitted updated regulations for receiving delegation and approval of its program for the implementation and enforcement of certain New Source Performance Standards (NSPS) and National Emission Standards for Hazardous Air Pollutants (NESHAP) for all sources, as provided for under previously approved delegation mechanisms. The updated State regulations incorporate by reference certain NSPS and NESHAP promulgated by the Environmental Protection Agency (EPA), as they existed through July 1, 2021. EPA is providing notice that it is updating the delegation of certain NSPS to LDEQ and proposing to approve the delegation of certain NESHAP to LDEQ. The proposed delegation of authority under this action does not apply to sources located in Indian country. DATES: Written comments on this proposed rule must be received on or before July 23, 2025. ADDRESSES: Submit your comments, identified by Docket ID No. EPA-R06-OAR-2010-1054, at https://www.regulations.gov or via email to barrett.richard@epa.gov . Follow the online instructions for submitting comments. Once submitted, comments cannot be edited or removed from Regulations.gov . The EPA may publish any comment received to its public docket. Do not submit electronically any info…