From: Wierenga, Paul [Paul.Wierenga@us.dlapiper.com ent: 3/31/2025 9:39:41PM o: AirAction [AirAction@epa.gov] ubject: Request for Presidential Exemption (Sterilizer Rule) ttachments:MPROC -- Request for Presidential Exemption (Sterilizer Rule).pdf Caution: This email originated from outside EPA, please exercise additional caution when deciding whether to open attachments or click on provided links.

Message From: Sent: To: CC: Subject: Flag: AirAction [/O=EXCHANGELABS/OU=EXCHANGE ADMINISTRATIVE GROUP (FYDIBOHF23SPDLT)/CN=RECIPIENTS/CN=FA78B98923384078995E04A73D258D83-AIRACTION] 3/28/2025 6:00:00 PM Vince Brisini [vbrisini@olympuspower.com] Sean P.

repetitive PM emissions curve.

standard applies "during 13y1) waste heat combustion in battery flues," 89 Fed.

Hon.

SPP portions of the grid.2 NERC reports that, with respect to the MISO region, "[r]csourcc additions arc not keeping up with generator retirements and demand growth" and "[r]eserve margins fall below Reference Margin Levels (RMI.) in winter and summer."30 Although NERC finds SPP is in better shape, NFAC has flagged the SPP portion of the grid in the upper Midwest as "elevated risk" and states that "[c]urrently, there arc over 8 (iW of coal and gas-fired generators that have indicated that they may retire within the next 10 years, making the resource outlook unclear."'

Car-mt.-04.e Avvt.e.eizo..5., ilLoci- 41-.2_qq 5 5500 , PA si-r,22.2 I-12.'7 '7 5.5.570 March 26, 2025 Mr.

TALEN ENERGY NortiNestern EFI('P)Y 3 March 28, 2025 the existing standards were not "necessary." 85 Fed.

TALEN ENERGY NortiNestern EFI('P)Y 4 March 28, 2025 III.

TALEN ENERGY NortiNestern EFI('P)Y - 9 - March 28, 2025 Department of Environmental Quality grants a one-year extension that is the maximum extension allowable under law.

USCA Case #24-1190 Document #2062093 Filed: 06/27/2024 Page 3 of 92 Declaration is based on my personal knowledge as President of Talen Montana and Chief Fossil Officer of Talen Energy, and analyses conducted by my colleagues. 4.

USCA Case #24-1190 Document #2062093 Filed: 06/27/2024 Page 76 of 92 MATS ruletnaldin impacts - Industry Profile I 1.1. 1-1,1=ele rIliw " 1 12J%1 126: 945 -3i1iE41 ?

Message From: Sent: To: Subject: AirAction [/O=EXCHANGELABS/OU=EXCHANGE ADMINISTRATIVE GROUP (FYDIBOHF23SPDLT)/CN=RECIPIENTS/CN=FA78B98923384078995E04A73D258D83-AIRACTION] 4/2/2025 11:49:29 AM ANDREWSJustin [Justin.ANDREWS@Ihoist.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).

Message From: Sent: To: Subject: McLamb, Marguerite [McLamb.Marguerite@epa.gov] 3/24/2025 4:19:11 PM Fillio, Kristen [Fillio.Kristen@epa.gov]; Noonan, Jenny [Noonan.Jenny@epa.gov]; Swanson, Nicholas [Swanson.Nicholas@epa.gov]; Lessard, Patrick [Lessard.Patrick@epa.gov]; Hutson, Nick [Hutson.Nick@epa.gov]; Hansen, Amanda [Hansen.Amanda@epa.gov]; Caparoso, Jennifer [Caparoso.Jennifer@epa.gov] RE: FOR REVIEW: Presidential Exemption - Notification List Adding Jennifer Caparoso (Acting MICG GL) From: Fillio, Kristen <Fillio.Kristen@epa.gov> Sent: Monday, March 24, 2025 12:15 PM To: McLamb, Marguerite <McLamb.Marguerite@epa.gov>; Noonan, Jenny <Noonan.Jenny@epa.gov>; Swanson, Nicholas <Swanson.Nicholas@epa.gov>; Lessard, Patrick <Lessard.Patrick@epa.gov>; Hutson, Nick <Hutson.Nick@epa.gov>; Hansen, Amanda <Hansen.Amanda@epa.gov> Subject: FOR REVIEW: Presidential Exemption - Notification List Importance: High Hi Everyone, At 3:00 today we are planning to announce the ability for industry to request a Presidential Exemption under section 112(i)(4) of the Clean Air Act for nine of our air toxics rules: MATS HON EtO Sterilizers Rubber Tire Manufacturing Primary Copper Smelting Integrated Iron & Steel Lime Manufacturing Coke Ovens Taconite I've assembled a notification list that I pulled from our communication plans for each rule announcement

[ SEQ CHAPTER \h \r 1]OAQPS Meeting Request Form For Peter Tsirigotis Do not use bold, highlight or underline text that you enter.