Document 5D6414ggJyJqZq7e0zgw62DL4

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 Flag: Flag for follow up Caution: This email originated from outside EPA, please exercise additional caution when deciding whether to open attachments or click on provided links. 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 mfreearkaazdt.coop Mobile: 520-237-1825 I Office: 520-586-5122 J.UUU a. Hwy 80 I Benson, AZ 8560c Notice: This message and any attachments are for the sole and confidential use of the intended recipients and may contain proprietary and/or confidential information which may be privileged or otherwise protected from disclosure. Sierra Club FOIA 2025-EPA-04883 ED_018388_00000322-00001 SC_EVERSPLIT0005361