Document pmb87ZKnwjnyrpMGpm6wkrRp7

This transmission contains information from the law firm of Whiteford, Taylor & Preston LLP which may be confidential andfor privileged. The information is intended to be for the exclusive use of the planned recipient. If you are not the intended recipient, be advised that any disclosure, copying, distribution or other use of this information is strictly prohibited. If you have received this transmission in error, please notify the sender immediately. Sierra Club FOIA 2025-EPA-04883 ED_018388_00005732-00003 SC_EVERSPLIT0005484 Message From: Sent: To: CC: Subject: AirAction [/O=EXCHANGELABS/OU=EXCHANGE ADMINISTRATIVE GROUP (FYDIBOHF23SPDLT)/CN=RECIPIENTS/CN=FA78B98923384078995E04A73D258D83-AIRACTION] 4/2/2025 11:57:46 AM Vodopivec, Cynthia [Cynthia.Vodopivec@vistracorp.com] Mitchell, David [David.Mitchell@vistracorp.com]; Collins, Renee [Renee.Collins@luminant.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_CBI@epa.gov Thank you. From: AirAction Sent: Tuesday, April 1, 2025 11:48 AM To: Vodopivec, Cynthia <Cynthia.Vodopivec@vistracorp.com> Cc: Mitchell, David <David.Mitchell@vistracorp.com>; Collins, Renee <Renee.Collins@luminant.com> Subject: RE: Presidential Exemption: MATS RTR: Martin Lake Station 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.ga, inbox or in hardcopy to: USEPA, OAQPS CORE CBI Office 4930 Old Page Road Durham, NC 27703 From: Vodopivec, Cynthia < Sent: Monday, March 31, 2025 5:23 PM To: AirAction < Action@epa.gov> Cc: Mitchell, David ..11@vistracorp.co-->; Collins, Renee <Renee.Collins@luminant.com> Subject: Presidential Exemption: MATS RTR: Martin Lake Station I Caution: This email originated from outside EPA, please exercise additional caution when deciding whether to open attachments or click on provided links. Please accept the attached letter on behalf of Luminant Generation Company LLC ("Luminant") requesting a Presidential exemption under Section 112(i)(4) of the Clean Air Act ("CAA") from compliance with the filterable particulate matter ("fPM") surrogate emission standard for non-mercury metal hazardous air pollutants ("HAP") and the requirement to install continuous emissions monitoring systems ("CEMS" or "PM CEMS") under the above-referenced rule (the "MATS RTR" or the "Rule") for the Martin Lake Steam Electric Station ("Martin Lake"). Luminant is requesting a two-year exemption, beginning July 6, 2027, from these requirements for Martin Lake Units 1, 2, and 3. Best Regards, Cynthia E. Vodopivec, P.E. SVP -- Environmental, Health & Safety Sierra Club FOIA 2025-EPA-04883 ED_018388_00005733-00001 SC_EVERSPLIT0005485