In accordance with the memorandum of January 20, 2025, from President Donald J. Trump, entitled "Regulatory Freeze Pending Review," this action temporarily delays until March 21, 2025, the effective date of the regulations listed in the table below. EPA has initially identified 4 regulations that meet the criteria in the memo and may identify additional regulations in subsequent notices. As of January 28, 2025, the effective date of the rules published at 89 FR 102568 (12/17/2024), 89 FR 95034 (11/29/2024), 89 FR 106357 (12/30/2024), and 89 FR 107012 (12/31/2024), are delayed to a new effective date of March 21, 2025. POC is William Nickerson, Director, Office of Regulatory Policy and Management, Office of Policy, Mail code 1804, EPA, 1200 Pennsylvania Ave. NW, Washington, DC 20460; (202) 566-0326; nickerson.william@epa.gov. (Federal Register 28 January 2025 [Rule] Pages 8254-8255)