EPA Justin Booth Summit Midstream Partners LLC Hunter Clymore Summit Midstream Partners LLC Dakota Lee Summit Midstream Partners LLC EJ Lachendro Summit Midstream Partners LLC Clayton Noblitt Summit Midstream Partners LLC Matthew Stratman Summit Midstream Partners LLC Inspector/Enforcement Officer Senior HSE Specialist-PSM Manager Health Safety & PSM Senior VP Operation Senior Environmental Compliance Specialist Supervisor Plant Operations Senior Director Integrity and Health & Safety EPA Lead Inspector Signature/Date ANTHONY ROBLEDO Digitally signed by ANTHONY ROBLEDO DN: c=US, o=U.S.

COMPLIANCE EVALUATION INSPECTION REPORT FOR UNDERGROUND STORAGE TANKS EPA Region 6 Federal Form FID #: 0332OK FACILITY NAME: Lucky Star Travel Center INSPECTION DATE(S): 3/24/2025 Tribal Land: Cheyenne-Arapaho Physical Address: City, State, Zip: Mailing Address: Facility Representative Title and E-mail: 7751 N Hwy 81 Phone: Concho, OK 73022 County 7751 N Hwy 81 (Address) Concho (City) Alexandria Paukei, 405-595-8591 405-422-6565 Canadian OK (State) 73022 (Zip) UST Operator: Cheyenne-Arapaho Tribes Phone: 913-652-9400 Fax: n/a Mailing Address: 7777 N Hwy 81 Concho OK 73022 (Address) (City) (State) (Zip) UST Contact: Mailing Address: Audie Ahhaitty 7777 N Hwy 81 Phone: 405-422-7431 Concho Fax: n/a OK 73022 (Address) (City) (State) (Zip) UST Owner: Cheyenne-Arapaho Tribes Phone: 405-422-6500 Fax: n/a Mailing Address: 7777 N Hwy 81 Concho OK 73022 (Address) (City) Contact Name and E-mail: Audie Ahhaitty / audie.ahhaitty@cheyenneandarapho-nsn.gov (State) (Zip) Phone Number: 405-422-7431 Facility Land Tribally Owned: Yes No Facility Privately Owned/Leased on Tribal Land: Yes No Lead Inspector: Rachel Snavely Additional Inspector(s) and Others present: Joshua Ridley, David Hayes (ITEC), Alexandria Paukei Summary of Findings and Facility Comments: Overall, facility was well-maintained.

Clean Air Act Compliance Inspection Report United States Environmental Protection Agency Region 10 - Seattle, WA Clean Air Act Partial Compliance Evaluation Inspection Report NW Pipeline Compressor Stations Sumner, WA Snohomish, WA Inspection Dates: February 28 and March 1, 2024 JOHN PAVITT Date: 2024.03.26 08:37:39 -08'00' Digitally signed by JOHN PAVITT Report Author Signature Date John Pavitt Air Compliance Inspector, Region 10 Digitally signed by ALYSON ALYSON SKEENS SKEENS Date: 2024.03.26 09:42:34 -07'00' Peer Review Signature Date Alyson Skeens Air Compliance Inspector, Region 10 Digitally signed by JUSTIN JUSTIN SPENILLO SPENILLO Date: 2024.03.26 13:37:03 -07'00' Branch Manager Signature Date Justin Spenillo Air & Toxics Enforcement Acting Manager, Region 10 Page 1 of 21 NW Pipeline Compressor Stations, Sumner and Snohomish, WA Table of Contents Contents 1.

NPDES Compliance Inspection Report Wilbur-Ellis Company Mt.

EPA Inspection Report - Page 1 of 25 Region 6 - Enforcement & Compliance Assurance Division INSPECTION REPORT Inspection Date(s): Media Program: Regulatory Program(s) 03/22/2022 - 3/23/2022 Clean Air Act (CAA) Louisiana SIP, Title V, NESHAP (40 CFR Part 63), NSPS (40 CFR Part 60) Company Name: Facility Name: Facility Physical Location: (city, state, zip code) Mailing address: (city, state, zip code) County/Parish: Facility Phone Number Facility Contact: Nucor Steel Louisiana LLC Nucor Steel Louisiana 9101 LA Hwy 3125 Convent, LA 70723 9101 LA Hwy 3125 Convent, LA 70723 St James Parish (225) 331-4000 Marshall Crawford Marshall.Crawford@nucor.com Environmental Manager FRS Number: Identification/Permit Number: Media Identifier Number: NAICS: SIC: 110046325400 LDEQ AI 157847, Permit 3086-V9 CEDRI10079752; ICIS 3601404200 331110 Iron and Steel Mills and Ferroalloy Manufacturing See NAICS Personnel participating in inspection: Prince Nfodzo EPA Region 6 ECDAP Aimee Boss EPA Region 6 ECDAP Cory Lormand LDEQ, Baton Rouge Sean Kelley LDEQ, Baton Rouge Adam Broussard LDEQ, Baton Rouge Marshall Crawford Nucor Steel Louisiana Erica Caruso Nucor Steel Louisiana Lane Grant Nucor Steel Louisiana Beth Brown Nucor Steel Louisiana Calvin Hart Nucor Steel Louisiana Kelly Phillips Nucor Steel Louisiana Environmental Engineer, Lead Inspector Physical Scientist, Inspector-in-Training Environmental Scientist Environmental Scientist Environmental Scientist Environmental Manager Environmental Engineer Technical Manager Environmental Coordinator General Manager Environmental Engineer EPA Lead Inspector Signature/Date PRINCE NFODZO Digitally signed by PRINCE NFODZO DN: c=US, o=U.S.

Use of PFAS in high-voltage switchgear Hitachi Energy response to ECHA PFAS restriction dossier Summary Hitachi Energy recognizes the need to avoid emissions of substances with known toxicological concerns in order to best protect human health and the environment.

This was an EPA lead inspection.

This was an EPA lead inspection. 8) Facility Description RTX Corporation, Pratt & Whitney Division (hereafter P&W or the facility) is an aircraft engine manufacturing company and is a subsidiary of RTX Corporation, formerly Raytheon EPA-RCRA CEI Report January 14-15, 2025 Page 2 of 18 Pratt and Whitney EPA ID# GAD980711816 Technologies.

The Secretary of State and the Secretary of the Treasury, in coordination with the Special Presidential Envoy for Climate, shall lead a process to develop this plan, with the participation of the Administrator of the United States Agency for International Development (USAID), the Chief Executive Officer of the United States International Development Finance Corporation (DFC), the Chief Executive Officer of the Millennium Challenge Corporation, the Director of the United States Trade and Development Agency, the Director of the Office of Management and Budget, and the head of any other agency providing foreign assistance and development financing, as appropriate.

LIFE SAFETY DISTRIBUTION GmbH Z.A.

Box 1210 Durant OK 74702 (Address) (City) (State) (Zip) UST Contact: Mailing Address: Chuck Tillman same as operator Phone: (580) 924-8280 ex 2918 Fax: ------------ ------ ----------- (Address) (City) (State) (Zip) UST Owner: same as operator Phone: ------ Fax: ------ Mailing Address: ----------------------------- ------ ------ ------ (Address) (City) Contact Name and E-mail: Chuck Tillman ctillman@choctawnation.com (State) (Zip) Phone Number: (580) 924-8280 ex 2918 Facility Land Tribally Owned: Yes No Facility Privately Owned/Leased on Tribal Land: Yes No Lead Inspector: Mikaela Brown Additional Inspector(s) and Others present: Joshua Ridley (EPA); Jeremy Noah & Ryan Page (Choctaw) Summary of Findings and Facility Comments: EPA REGION 6 UST CEI CHECKLIST 1 of 20 R6USTCEIForm-001-R04.2 (04/04/2025) Note: All questions are to be answered.

Las Cruces, New Mexico 88007 Dona Ana (575) 528-3256 Joaquin Murillo jmurillo@lascruces.gov Deputy Director Wastewater/Utilities FRS Number: Identification/Permit Number: Media Identifier Number: NAICS: SIC: 110042387459 NM0030872 N/A 221320 4952 Personnel participating in inspection: Joaquin Murillo City of Las Cruces David Esparza EPA-R6/ECDWM Deputy Director Wastewater/Utilities Environmental Engineer EPA Lead Inspector Signature/Date Digitally signed by DAVID DAVID ESPARZA ESPARZA David Esparza Date: 2025.06.23 12:21:26 -06'00' Date Supervisor Signature/Date ROBERTO BERNIER Date: 2025.06.23 16:58:47 -05'00' Digitally signed by ROBERTO BERNIER Roberto Bernier Date 6ENFORM-019-R8.2 (02/12/2020) 1 Section I - INTRODUCTION City of Las Cruces/ East Mesa WWTF Permit No.

Beverly Street (Address) Ada (City) OK (State) 74820 (Zip) Josh Presley, Environmental Health and Safety Manager, josh.presley@chickasaw.net UST Operator: Donna Baugh (Retail Director) Phone: 580-399-4130 Fax: Mailing Address: 2020 Lonnie Abbot Blvd Ada OK 74820 (Address) (City) (State) (Zip) UST Contact: Mailing Address: Josh Presley Same as Operator Phone: 580-399-0174 Fax: (Address) (City) (State) (Zip) UST Owner: The Chickasaw Nation Phone: 540-436-2603 Fax: Mailing Address: 2020 Lonnie Abbot Blvd Ada OK 74820 (Address) (City) Contact Name and E-mail: Josh Presley; Josh.Presley@chickasaw.net (State) (Zip) Phone Number: 580-399-0174 Facility Land Tribally Owned: Yes No Facility Privately Owned/Leased on Tribal Land: Yes No Lead Inspector: Rachel Snavely Additional Inspector(s) and Others present: Robert Glynn (EPA R6), Josh Presley, Michael Brinska Summary of Findings and Facility Comments: Overall, the facility was well-maintained and records were organized.

Box 818 (Address) Jessie Spense Same (Address) Same as Operator Mailing Address: Contact Name and E-mail: (Address) Phone: 337-584-1401 Elton (City) Phone: 225-445-1171 Fax: LA (State) Fax: 70532 (Zip) (City) Phone: (State) Fax: (Zip) (City) (State) Phone Number: (Zip) Facility Land Tribally Owned: Yes No Facility Privately Owned/Leased on Tribal Land: Yes No Lead Inspector: Robert Glynn - EPA/SEE Additional Inspector(s) and Others present: Jessie Spence, Justin Spence - Compliance Assistance LLC; Mikaela Brown - EPA; David Hayes - ITEC Summary of Findings and Facility Comments: - Facility well maintained - Spill Buckets clean and debris free - Documentation well organized - Missing insurance Financial Responsibility documentation ***** Updated insurance documentation received 6/18/25 ***** EPA REGION 6 UST CEI CHECKLIST 1 of 20 R6USTCEIForm-001-R04.2 (04/04/2025) Note: All questions are to be answered.

Box 1210 Durant OK 74702 (Address) (City) (State) (Zip) UST Contact: Mailing Address: Chuck Tillman same as operator Phone: (580) 924-8280 ex 2918 Fax: ------------ ------ ----------- (Address) (City) (State) (Zip) UST Owner: same as operator Phone: ------ Fax: ------ Mailing Address: ----------------------------- ------ ------ ------ (Address) (City) Contact Name and E-mail: Chuck Tillman ctillman@choctawnation.com (State) (Zip) Phone Number: (580) 924-8280 ex 2918 Facility Land Tribally Owned: Yes No Facility Privately Owned/Leased on Tribal Land: Yes No Lead Inspector: Mikaela Brown Additional Inspector(s) and Others present: Joshua Ridley (EPA); Jeremy Noah & Ryan Page (Choctaw) Summary of Findings and Facility Comments: EPA REGION 6 UST CEI CHECKLIST 1 of 20 R6USTCEIForm-001-R04.2 (04/04/2025) Note: All questions are to be answered.