Document 71KO6jnK027NKOvZY71m8mQLj

Message From: Tamukong, Walter [WalterTamukong@clevelandcliffs.com] Sent: 3/31/2025 9:41:29 PM To: AirAction [AirAction@epa.gov] CC: Tsingotis, Peter [Tsirigotis.Peter@epa.gov]; Lassiter, Penny [Lassiter.Penny@epa.gov]; Forrester, Traci L [Traci.Forrester@clevelandcliffs.com ] Subject: REQUEST FOR PRESIDENTIAL EXEMPTION: 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 Attachments:AMERICAS 1104096454 v2 - Presidential Exemption - Lime MACT - 3.31.2025 FINAL.pdf; Exh A.pdf; Exh B.pdf; Exh C.pdf Caution: This email originated from outside EPA, please exercise additional caution when deciding whether to open attachments or click on provided links. Flag: Follow up Dear Administrator, Hon. Lee M. Zeldin: On behalf of Cleveland-Cliffs Inc., Please sec attached request for Presidential exemption from: National Emission Standards foi- hazardous Air Pollutants: Lime Manufacturing Plants Technology Review, EPA Docket No. OAR2017-0015, RIN 2060-AV59, 89 Fed. Reg. 57,738 We are requesting a two-year Presidential exemption in accordance with CAA 112(i)(4) for the lime plant at Cliffs' Indiana harbor facility 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 Fcd. Reg. 57,738 National Emission Standards for Hazardous Air Pollutants for Coke Ovens: Pushing. Quenching, and Battery Stacks, and Cokc 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 Fcd. Reg. 16408 (March 6, 2024) If you have questions or need additional information, please contact Walter Tamukong at 216-694-4862 or at Sierra Club FOIA 2025-EPA-04883 ED_018388_00000182-00001 SC_EVERSPLIT0020655 Sincerely Walter Tatrukong CLIFFS CLEVELAND-CLIFFS INC. 200 Public Square, 3300 Cleveland, OH 44114 P: (216) 694-5700 www.clevelanciclifTs.corn Sierra Club FOIA 2025-EPA-04883 ED_018388_00000182-00002 SC_EVERSPLIT0020656