Document ByjMkY4wdmYjE9X2zGp4gzbD8

Sincerely Walter Tamukong C LIFF WALT tTAMUKONG ogram Director, Environmental Permitting & Regulatory R216-694-4862 M:216-695-6012 walter.tamukong@clevelandcliffs.com CLEVELAND-CLIFFS INC. 200 Public Square, 3300 Cleveland, OH 44114 P: (216) 694-5700 www.clevelandcliffs.com This electronic message and any attachments included with this message are for the exclusive use of the individual or entity to which it is intended to be addressed. This message may contain information that is privileged or confidential and thereby exempt and protected from unauthorized disclosure under applicable law. If the reader of this message is not the intended recipient, or an employee or agent responsible for delivering the message to the intended recipient, be aware that any disclosure, dissemination, distribution or copying of this communication, or the use of its contents, is not authorized and is strictly prohibited. If you have received this communication and are not the intended recipient, please notify the sender immediately and permanently delete the original message from your e-mail system. Sierra Club FOIA 2025-EPA-04883 ED_018388_00000117-00002 SC_EVERSPLIT0005284 From: Allen, Bryan Michael [bryan.allen@faegredrinker.com] ent: 3/31/2025 8:52:10 PM o: AirAction [AirAction@epa.gov] object: Presidential Exemption: NESHAP: Ethylene Oxide Emissions Standards for Sterilization Facilities: Trinity Sterile, Inc. ttachments:2025-03-31 Request for Presidential Exemption Packet Final.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 EPA, Please find attached a formal request on behalf of Trinity Sterile, Inc. for a two-year exemption from the Ethylene Oxide Emissions Standards for Sterilization Facilities, as outlined in Section 112(i)(4) of the Clean Air Act. Facility Information: Facility Name: Trinity Sterile, Inc. Facility Address: 201 Kiley Drive, Salisbury, MD 21801 Emissions Standards or Limitations Subject to the Request: "National Emission Standards for Hazardous Air Pollutants: Ethylene Oxide Emissions Standards for Sterilization Facilities Residual Risk and Technology Review", 40 CFR Part 63, Subpart O (89 FR 24090; April 5, 2024) (Sterilizer Rule) Length of Compliance Period Being Requested: 2-year exemption from April 6, 2026, to April 6, 2028. The attached request includes justifications based on the unavailability of required technology and the national security interests of the United States, and an appropriate delegation of authority from Trinity to submit this request on their behalf The attached letter does not include any proprietary information. However, such information may be available if deemed necessary by the EPA, which can be submitted in accordance with applicable rules and regulations to protect confidential business information. Please do not hesitate to contact us if you require any additional information or steps to process this request. Kind regards, Bryan M. Allen Senior Manager - Federal Policy & Consulting bryan.allen@faegredrinker.com Connect: vCard +1 202 230 5323 direct 4 F; N Riddle F neath LLP 1500 K Street, N.W., Ste. 1100 Washington, DC 20005, USA Sierra Club FOIA 2025-EPA-04883 ED_018388_00000130-00001 SC_EVERSPLIT0005285