Earthjustice/Sierra Club 2025-EPA-05146 ED_018033_00000563-00416 SC_EVERSPLIT0032575 Region III ESAT 68HERD21D0001 Facilities Operations, Maintenance, and Support Services for US EPA-RTP 68HERH2OD0003 OAK RIDGE ASSOCIATED UNIVERSITIES 68HERC23D0004-F0221, 68HERC23D0004-F0329, 68HERC23D0004-F0445, EARTH TSCA Chemical CO ITS EPA IV Enterprise Support Services and Endpoint Technology (ESSET) MEL-2013-0000016 ECY IAG 1113-000201 OAKRIDGE ASSOCIATED UNIVERSITIES HSHQEC13D00005 COASTAL INTERNATIONAL SECURITY IMCS V/EPA Docket Center Services Region 4 IT Helpdesk 68HE0720F0071 VERACITY CONSULTING, INC.

Ex. 6 Personal Privacy (PP) Earthjustice/Sierra Club 2025-EPA-05146 ED_018033_00000563-00581 SC_EVERSPLIT0032740 140D0420A0009 EPA Information Security & Privacy Program Support FEELC FIRST ENVIRONMENTS EARLY LEARNING CENTER 68HERH2OD0003 OAK RIDGE ASSOCIATED UNIVERSITIES OGD EARTH Contract Grants Management Reviews, Regional Administrative Grants Management Support SEMD Records - Kenney Business Solutions, Inc MAINES Container Project 68HERH20D0003 OAK RIDGE ASSOCIATED UNIVERSITIES ESAT Contract R10 MAINES Duluth IRP IDIQ BOOZ ALLEN HAMILTON INC CAA 112R Inspections and Prevention Activities, Iowa RCRA Inspections 2023-2024 R10 START V Contract 68HERD21D0001 Facilities Operations, Maintenance, and Support Services for US EPA-RTP Environmental Services Assistance Team (ESAT) Lintech Global, Inc.

Message From: Sent: To: CC: Subject: Rodriguez, Victor [Rodriguez.Victor@epa.gov] 2/5/2025 10:38:20 AM Killian, Cole [Killian.Cole@epa.gov] Legare, Pamela [Legare.Pamela@epa.gov]; Barajas, Gayle [barajas.gayle@epa.gov]; Armstrong, Claudia [Armstrong.Claudia@epa.gov]; Rogers, JoanB [Rogers.JoanB@epa.gov]; Burnett-Bakr, Robbin [BurnettBakr.Robbin@epa.gov]; Brunecz, Michelle [Brunecz.Michelle@epa.gov]; Stevens, Tanya [Stevens.Tanya@epa.gov]; Taylor, Jeffrey [Taylor.Jeff@epa.gov] Access to EPA's Acquisition Data Repository Good morning, Cole, Your request for access to the EPA's Acquisition Data Repository has been completed.

Appointment From: Sent: To: tbridgeford@nma.org [tbridgeford@nma.org] 3/6/2025 3:37:52 PM tbridgeford@nma.org; Cook, Steven [cook.steven@epa.gov]; OLEM 1O Materials [OLEMIOMaterials@epa.gov]; Watt, Jamey [Watt.Jamey@epa.gov]; Hockey, David [Hockey.David@epa.gov]; mcompton@miningamerica.org; Sidney Smith [ssmith@miningamerica.org]; Mahmud, Shahid [Mahmud.Shahid@epa.gov]; McHale, Caitlin [cmchale@nma.org] Caution: This email originated from outside EPA, please exercise additional caution when deciding whether to open attachments or click on provided links.

From: ent: o: Whitfield, Peter [pwhitfield@sidley.com] 4/7/2025 6:25:53 PM Dominguez, Alexander [dominguez.alexander@epa.gov] ubject: Location: Accepted: Confirmed : In-Person OAR External Meeting with Cenovus Superior Refining Co Microsoft Teams Meeting; DCRoomWJCN5406/OARAA tart: 4/9/2025 6:00:00 PM End: 4/9/2025 6:30:00 PM how Time Busy s: Caution: This email originated from outside EPA, please exercise additional caution when deciding whether to open attachments or click on provided links.

Message From: Mike Johnson [mjohnson@paint.org] Sent: 3/8/2025 2:38:35 AM To: Beck, Nancy [beck.nancy@epa.gov] Subject:Re: Aerosol Coatings Rule Compliance Window Caution: This email originated from outside EPA, please exercise additional caution when deciding whether to open attachments or click on provided links.

PETITION BEFORE THE ADMINISTRATOR IN THE UNITED STATES ENVIRONMENTAL PROTECTION AGENCY DUKE ENERGY CORPORATION, Filed with: Petitioner, PETITION FOR RULEMAKING DOCKET NO: MICHEAL REGAN, in his capacity as EPA Administrator 1200 Pennsylvania Avenue, NW Washington, DC 20460 PETITION FOR RULEMAKING TO RECONSIDER SPECIFIC PROVISIONS OF THE 2024 COAL COMBUSTION RESIDUALS ("CCR") RULE Duke Energy Corporation ("Duke Energy") respectfully petitions the United States Environmental Protection Agency ("EPA") pursuant to 5 U.S.C. 553(e) and 42 U.S.C. 6974(a) for a rulemaking narrowly focused on reconsideration of 40 C.F.R. 257.101(g)(4) of the final rule entitled Hazardous and Solid Waste Management System: Disposal of Coal Combustion Residuals From Electric Utilities; Legacy CCR Surface Impoundments ("2024 CCR Rule").1 Reconsideration is necessary and appropriate to address a unique subset of previously closed CCR units that meet the statutory protectiveness standard in 42 U.S.C. 6944(a) but have less than 5 feet of separation between the base of the closed unit and the water table and/or some amount of free liquid (even if de minimis) in the closed unit.

From: Ludwiszewski, Raymond B.

Message From: Ellington, Victoria (Cruz) [Victoria_Ellington@cruz.senate.gov] Sent: 4/15/2025 2:39:19 PM To: Howey, Preston (Cruz) [Preston_Howey@cruz.senate.gov]; Weiner, Ben [Weiner.Ben@epa.gov]; Barja, Jaide [Barja.Jaide@epa.gov]; Abboud, Michael [abboud.michael@epa.gov]; Mica, Carl (Cruz) [Carl_Mica@cruz.senate.gov] CC: Crumpler, Daniel (Cruz) [Daniel_Crumpler@cruz.senate.gov]; Hanson, Bobbi (Cruz) [bobbi_Hanson@cruz.senate.gov]; Martinez, Macarena (Cruz) [Macarena_Martinez@cruz.senate.gov]; Aberle, Selah (Cruz) [Selah_Aberle@cruz.senate.gov]; Gall, Daniel [Gall.Daniel@epa.gov]; Brown, Ashley [Brown.Ashley@epa.gov]; Burgess, Michael [Burgess.Michael@epa.gov]; Ludick, Chavonne (Cruz) [Chavonne_Ludick@cruz.senate.gov] Subject:RE: Sen.

L PRO" EPA ADMINISTRATOR EVENT INFORMATION FORM This form assists in planning participation in events and activities.

Message From: Georgia Stenger [gstenger@kcpo.com ] Sent: 3/31/2025 6:59:06 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: Conemaugh Generating Station (ORISPL 3118) Attachments:2025-03-31 KEY- CON_Section 112 Presidential Exemption MATS Rule Extension Request- Conemaugh.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: AirAction [/O=EXCHANGELABS/OU=EXCHANGE ADMINISTRATIVE GROUP (FYDIBO HF23SPDLT)/CN =RECIPIENTS/CN =FA78 B98923384078995E04A73D258D83-AlRACTION] 4/1/2025 12:37:56 PM Heather Holbrook [heather.holbrook@lottechemusa.com] Chad Crain [chad.crain@lottechemusa.com]; Steven Parker [steven.parker@lottechemusa.com] RE: Presidential Exemption: [NSPS for SOCMI and NESHAP for SOCMI and Group I & II Polymers and Resins]: Chemical Louisiana, LLC] [Lotte 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 Powering the Great American Comeback.

Message From: Sent: To: Subject: AirAction [/O=EXCHANGELABS/OU=EXCHANGE ADMINISTRATIVE GROUP (FYDIBOHF23SPDLT)/CN=RECIPIENTS/CN=FA78B98923384078995E04A73D258D83-AIRACTION] 4/2/2025 12:09:03 PM Paul, Tom (T) [tpaul@trinseo.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: Attachments: Noonan, Jenny [Noonan.Jenny@epa.gov] 4/1/2025 11:45:00 AM AirAction [AirAction@epa.gov] FW: Presidential Exemption: NESHAP for Coke Ovens: Pushing, Quenching and Battery Stacks and Coke Oven Batteries; Residual Risk and Technology Review, and Periodic Technology Review Request for Presidential Exemption Att A.pdf; Request for Presidential Exemption Att B.pdf; Request for Presidential Exemption Att C.pdf; Request for Presidential Exemption - EES Coke, LLC 03-31-2025.pdf From: Hamilton, Sabrina <Hamilton.Sabrina@epa.gov> Sent: Tuesday, April 1, 2025 7:09 AM To: Noonan, Jenny <Noonan.Jenny@epa.gov>; Scott, Blanche <scott.blanche@epa.gov> Subject: FW: Presidential Exemption: NESHAP for Coke Ovens: Pushing, Quenching and Battery Stacks and Coke Oven Batteries; Residual Risk and Technology Review, and Periodic Technology Review FYI oeeihrina- From: Rob Sanch <r of u > Sent: Monday, March 31, 2025 11:08 AM To: AirAction <Au A.

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.