Document jgr939MgyNXVmpeJoD7E3VXL2

Message From: Michelle Freeark [mfreeark@azgt.coop] ent: 3/29/2025 2:25:14 AM o: AirAction [AirAction@epa.gov]; Culligan, Kevin [Culligan.Kevin@epa.gov ] ubject:MATS Presidential Exemption Caution: This email originated from outside EPA, please exercise additional caution when deciding whether to open attachments or click on provided links. Flag: Flag for follow up Good evening, Arizona Electric Power Cooperative, Inc. is notifying EPA of our intention to file a request on Monday, March 31, 2025 for a 2-year exemption from the updated National Emission Standards for Hazardous Air Pollutants (NESHAP): Coaland Oil-Fired Electric Utility Steam Generating Units Review of the Residual Risk and Technology Review (MATS Rule) for its Apache Generating Station located in Cochise County, Arizona. Sincerely, Michelle Freeark Michelle Freeark, Executive Director of Regulatory Affairs and Corporate Services mfreearkeazqt.coop Mobile: 520-237-1825 l Office: 520-586-5122 Sierra Club FOIA 2025-EPA-04883 ED_018388_00000322-00001 SC_EVERSPLIT0020718