National Emission Standards for Marine Tank Vessel Loading Operations: Technology Review

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 Part 63 [EPA-HQ-OAR-2025-0207; FRL-11626-01-OAR] RIN 2060-AW22 AGENCY: Environmental Protection Agency (EPA). ACTION: Proposed rule. SUMMARY: The U.S. Environmental Protection Agency (EPA) is proposing amendments to the National Emission Standards for Hazardous Air Pollutants (NESHAP) for the marine tank vessel loading operations (MTVLO) source category under Clean Air Act (CAA) section 112. The EPA is proposing certain decisions resulting from the Agency's technology review of the MTVLO NESHAP pursuant to CAA section 112(d)(6). Specifically, the EPA is proposing enhanced flare monitoring requirements, requirements to perform periodic performance testing, electronic reporting provisions, and removal of startup, shutdown, and malfunction (SSM) exemptions. DATES: Comments must be received on or before April 20, 2026. Under the Paperwork Reduction Act (PRA), comments on the information collection provisions are best assured of consideration if the Office of Management and Budget (OMB) receives a copy of your comments on or before April 3, 2026. Public hearing: If anyone contacts us requesting a public hearing on or before March 8, 2026, we will hold a virtual public hearing. See SUPPLEMENTARY INFORMATION for information on requesting and registering for a public hearing. ADDRESSES: You may send comments, identified by Docket ID No. EPA-HQ-OAR-2025-0207, by any of the following methods: Federal eRulemaking Portal: https://www.regulations.gov…