Document 82YwJX9M4ROVEXqV6Oo10x7xZ

Message From: Mohon, David K. [DKMohon@southernco.com] Sent: 3/31/2025 8:00:18 PM To: AirAction [AirAction@epa.gov] CC: Turner, Stacey [STATURNE@southernco.com ]; Caldwell, Katlyn Stricklend [KSCALDWE@SOUTHERNCO.COM ]; Berry, Mark S. [MSBERRY@southernco.com ]; Starks, Circe [CSTARKS@SOUTHERNCO.COM ] Subject: Presidential Exemption: National Emission Standards for Hazardous Air Pollutants: Coal- and OH-Fired Electric Utility Steam Generating Units Review of the Residual Risk and Technology Review: Plants Barry, Bowen, Daniel, Miller, Scherer Attachments:Southern Co MATS Presidential Exemption Letter_March 31 2025. 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 Please accept the attached letter on behalf of Southern Company's operating company subsidiaries requesting a Presidential exemption under Section I 12(i)(4) of the Clean Air Act ("CAA"), 42 L.S.C. 7412(i)(4). from compliance with the requirements of the subject rule. Thank you. DaNid K. Mahon 4e Southern Company Sierra Club FOIA 2025-EPA-04883 ED_018388_00000097-00001 SC_EVERSPLIT0020603