Document EqRLjVQpBKEJpo5w7Rzko8Oy0

Granting the extension will not result in any unacceptable risks to the public or the environment because EPA has determined that the source category presents an acceptable risk to human health with an ample margin of safety with the present controls, requirements, and limits already in effect. Also attached are three referenced documents (Congressional letters) to support the request for Presidential exemption of steel manufacturers and related supply chains from: National Emission Standards for Hazardous Air Pollutants: Integrated Iron and Steel Manufacturing Facilities Technology Review (89 FR 23294; April 3. 2024) National Emission Standards for Hazardous Air Pollutants: Lime Manufacturing Plants Technology Review, EPA Docket No. OAR-2017-0015, RIN 2060-AV59, 89 Fed. Reg. 57,738 National Emission Standards for Hazardous Air Pollutants for Coke Ovens: Pushing. Quenching, and Battery Stacks, and Coke Oven Batteries; Residual Risk and Technology Review, and Periodic Technology Review (89 FR 55684; July 5, 2024) (Coke Ovens Rule) National Emission Standards for Hazardous Air Pollutants: Taconite Iron Ore Processing, EPA Docket No. OAR, RIN, 89 Fed. Reg. 16408 (March 6, 2024) If you have questions or need additional information, please contact Walter Tamukong at 216-694-4862 or at Sincerely Walter Tamukong CLIFFS t. -I, 1 CLEVELAND-CLIFFS INC. 200 Public Square. 3300 Cleveland, OH 44114 P: (216) 694-5700 www.clevelandclifTs.com Sierra Club FOIA 2025-EPA-04883 ED_018388_00005721-00002 SC_EVERSPLIT0005584