Document Oz7B1X2kpp9O848V0xQekQ7Je

Message From: Sent: To: Subject: AirAction [/O=EXCHANGELABS/OU=EXCHANGE ADMINISTRATIVE GROUP (FYDIBO HF23SPDLT)/CN =RECIPIENTS/CN =FA78 B98923384078995E04A73D258D83-AlRACTION] 4/1/2025 12:32:15 PM McQuown, Brian [mcquowbc@oge.com] RE: Presidential Exemption: Mercury and Air Toxics Standard: Oklahoma Gas and Electric Facilities - Sooner 1, Sooner 2, Muskogee 6, River Valley CS 1 Thank you for emailing the AirAction mailbox to request a Presidential Exemption under section 1 I2(i)(4) of the Clean Air Act and for engaging with EPA in advancing President Trump's Executive Orders and Powering the Great American Comeback. We have received your email and will be in contact soon. If you have Confidential Business Information (CBI) that you'd like to submit, please submit it in electronic version to the ('131(r inbox or in hardcopy to: USEPA, OAQPS CORE CBI Office 4930 Old Page Road Durham, NC 27703 From: McQuown, Brian <mcquowbc@oge.com> Sent: Monday, March 31, 2025 3:52 PM To: AirAction <AirAction@epa.gov> Subject: Presidential Exemption: Mercury and Air Toxics Standard: Oklahoma Gas and Electric Facilities - Sooner 1, Sooner 2, Muskogee 6, River Valley CS 1 Caution: This email originated from outside EPA, please exercise additional caution when deciding whether to open attachments or click on provided links. I Attached is a letter requesting a Presidential Exemption from compliance with the MATS Rule as provided for in Clean Air Act Section 112(i)(4). As described in the letter, we believe that required technology will not be available for four Oklahoma Gas and Electric Co. electric generating units ("EGU") and that an exemption is in the national security interests of the United States. 131'1a11 C. McQuown hivirolimental IZegiildfory Manager rederd] and Regional Affairs PO Ho\ 32] Oklahoma Cit.\ , Oklahoma 73 I01 Oh 405-55;-3439 \lobi l e 702-290-3o I nIcti rmge.ci-im Sierra Club FOIA 2025-EPA-04883 ED_018388_00005516-00001 SC_EVERSPLIT0020768 NOTICE: This electronic message and any attachments contain information which may be confidential, sensitive or privileged. It is intended only for the recipient(s) to which it is addressed. If you are not the intended recipient, be aware that any review, disclosure, retransmission, conversion to hard copy, copying, circulation or other use of all or any portion of this message and any attachments is strictly prohibited. Any misuse or unauthorized disclosure can result in both civil and criminal penalties. If you have received this communication in error, please notify the sender immediately by return email and delete all copies of this message including any attachments from your system. Sierra Club FOIA 2025-EPA-04883 ED_018388_00005516-00002 SC_EVERSPLIT0020769