Document oewMdnxRMEjoYOqy74eRXvqq3

Message From: Sent: To: Subject: AirAction [/O=EXCHANGELABS/OU=EXCHANGE ADMINISTRATIVE GROUP (FYDIBOHF23SPDLT)/CN=RECIPIENTS/CN=FA78B98923384078995E04A73D258D83-AIRACTION] 4/1/2025 12:25:50 PM Georgia Stenger [gstenger@kcpo.com] RE: Presidential Exemption: National Emission Standards for Hazardous Air Pollutants: Coal- and Oil-Fired Electric Utility Steam Generating Units: Keystone Generating Station (ORISPL 3136) 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 CBI@epa.gov inbox or in hardcopy to: USEPA, OAQPS CORE CBI Office 4930 Old Page Road Durham, NC 27703 From: Georgia Stenger <gstenger@kcpo.com> Sent: Monday, March 31, 2025 3:47 PM To: AirAction <AirAction@epa.gov> Subject: Presidential Exemption: National Emission Standards for Hazardous Air Pollutants: Coal- and Oil-Fired Electric Utility Steam Generating Units: Keystone Generating Station (ORISPL 3136) I Caution: This email originated from outside EPA, please exercise additional caution when deciding whether to open attachments or click on provided links. Keystone Generating Station (ORISPL 3136) hereby submits its request for a two-year Presidential Exemption from the pending 40CFR Part 63, MATS limit of 0.01 lb/MMBtu Particulate Matter (PM) as well as the requirement to install, certify and operate a PM continuous emissions monitoring system (CEMS) by July 8, 2027. Please see the attached letter outlining its request and justification. Thank you, Georgianna R. Stenger Keystone-Conemaugh Projects, LLC 175 Cornell Rd., Suite 1 Blairsville, PA 15717 (724) 357-1713 Sierra Club FOIA 2025-EPA-04883 ED_018388_00005512-00001 SC_EVERSPLIT0005144