Document pmER72pZbp1G9QZGb7rN6m9nE

If you have any questions, please let me know. Thanks very much. Regards, Brendan cE American* - Chemistry Council Brendan Mascarenhas Senior Director, Environment O: (202) 249-6423 C: (703) 989-5269 brendan mascarenhas@:_ricanchemistry.com 700 2nd Street NE Washington, DC 20002 www.am ic-nehernistry.com April 14-16, 2025 Washington, DC +++++++++++++++++++++++++++++ This message may contain confidential information and is intended only for the individual named. If you are not the named addressee do not disseminate, distribute or copy this email. Please notify the sender immediately by email if you have received this email by mistake and delete this email from your system. E-mail transmission cannot be guaranteed to be secure or error-free as information could be intercepted, corrupted, lost, destroyed, arrive late or incomplete, or contain viruses. The sender therefore does not accept liability for any errors or omissions in the contents of this message which arise as a result of email transmission. American Chemistry Council, 700 -- 2nd Street NE, Washington, DC 20002, www.americanchemistry.com Sierra Club FOIA 2025-EPA-04883 ED_018388_00005753-00002 SC_EVERSPLIT0005503 Message From: Sent: To: Subject: AirAction [/O=EXCHANGELABS/OU=EXCHANGE ADMINISTRATIVE GROUP (FYDIBOHF23SPDLT)/CN=RECIPIENTS/CN=FA78B98923384078995E04A73D258D83-AIRACTION] 4/1/2025 8:59:07 PM Tollerson, Brad [btollerson@otpco.com] CORRECTION: Updated email address for CBI related to the Presidential Exemption In the previous email, an incorrect email address was provided for the submission of electronic Confidential Business Information (CBI). The email address should be: OAQPS CBIAepa.gov Thank you. From: AirAction Sent: Tuesday, April 1, 2025 11:38 AM To: Tollerson, Brad <btollerson@otpco.com> Subject: RE: Presidential Exemption: "National Emission Standards for Hazardous Air Pollutants: Coal- and Oil-Fired Electric Utility Steam Generating Units Review of the Residual Risk and Technology Review" (89 FR 38508; May 7, 2024) (MATS Rule): Big Stone Plant, Thank you for emailing the AirAction mailbox to request a Presidential Exemption under section 112(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 0BI@),epa.go inbox or in hardcopy to: USEPA, OAQPS CORE CBI Office 4930 Old Page Road Durham, NC 27703 From: Tollerson, Brad < Sent: Monday, March 31, 2025 5:50 PM To: AirAction < - one-oa.g > Subject: Presidential Exemption: "National Emission Standards for Hazardous Air Pollutants: Coal- and Oil-Fired Electric Utility Steam Generating Units Review of the Residual Risk and Technology Review" (89 FR 38508; May 7, 2024) (MATS Rule): Big Stone Plant, SD I Caution: This email originated from outside EPA, please exercise additional caution when deciding whether to open attachments or click on provided links. Please see attached request on behalf of Big Stone Plant in South Dakota. Bradley E. Tollerson Vice President, Energy Supply Otter Tail Power Company Designated Representative, Big Stone Plant Office: 218-739-8865 Mobile: 218-770-9276 Sierra Club FOIA 2025-EPA-04883 ED_018388_00005756-00001 SC_EVERSPLIT0005504