Document QgVKOyEygVw1pGD4YBymMREp8

Message From: Sent: To: CC: Subject: AirAction [/O=EXCHANGELABS/OU=EXCHANGE ADMINISTRATIVE GROUP (FYDIBOHF23SPDLT)/CN=RECIPIENTS/CN=FA78B98923384078995E04A73D258D83-AIRACTION] 4/2/2025 11:54:14 AM Vodopivec, Cynthia [Cynthia.Vodopivec@vistracorp.com] Mitchell, David [David.Mitchell@vistracorp.com]; Morris, Phil [Phil.Morris@vistracorp.com]; Ross, Jim [Jim.Ross@vistracorp.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 he: Thank you. From: AirAction Sent: Tuesday, April 1, 2025 12:30 PM To: Vodopivec, Cynthia <Cynthia.Vodopivec@vistracorp.com > Cc: Mitchell, David <David.Mitchell@vistracorp.com >; Morris, Phil <Phil.Morris@vistracorp.com >; Ross, Jim <Jim.Ross@vistracorp.com > Subject: RE: Presidential Exemption: MATS RTR: Baldwin Power Plant Thank you for emailing the AirAction mailbox to request a Presidential Exemption under section 1 12(i)(4) of the Clean Air Act and for engaging with EPA in advancing President Trump's Executive Orders and Powerinv. 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 Hy, inbox or in hardcopy to: USEPA, OAQPS CORE CBI Office 4930 Old Page Road Durham, SIC 27703 From: Vodopivec, Cynthia <r:', r H udoi)J-v,,,, Sent: Monday, March 31, 2025 5:27 PM To: AirAction <Au Cc: Mitchell, David <l) I, id I >; Morris, Phil <Phi! 1 - r Subject: Presidential Exemption: MATS RTR: Baldwin Power Plant 1 Lorp.t-i7;!- >; Ross, Jim Caution: This email originated from outside EPA, please exercise additional caution when deciding whether to open attachments or click on provided links. I Please accept the attached letter on behalf of Dynegy Midwest Generation, LLC requesting a Presidential exemption under Section 1 12(i)(4) of the Clean Air Act ("CAA") from compliance with the filterable particulate matter ("1PM") surrogate emission standard for non-mercury metal hazardous air pollutants ("HAP") and the requirement to install continuous emissions monitoring systems ("CEMS" or "PM GEMS") under the above-referenced rule (the "MATS RTR" or the "Rule") for Baldwin Power Plant Units 1 and 2 ("Baldwin"). Dynegy Midwest Generation, I.I.C is requesting a two-year exemption, beginninv. July 6, 2027, from these requirements for the Baldwin facility. Sierra Club FOIA 2025-EPA-04883 ED_018388_00005752-00001 SC_EVERSPLIT0020958 Best Regards, Cynthia E. Vodopivce, P.E. SVP Environmental, Health & Safety Vistra Corp. ( m.860-604-4844 Sierra Club FOIA 2025-EPA-04883 ED_018388_00005752-00002 SC_EVERSPLIT0020959