Crestwood Equity Partners, LP Arrow Pipeline, LLC - 1, 2, 3, 4, 5 and 6 Compressor Stations Full Compliance Evaluation (FCE) On-Site Inspection Inspection Date: Inspection Report Date: EPA Representatives: June 15, 2023 September 6, 2023 Youn Joo Kim, Environmental Scientist, US EPA Region 8 Katelyn Bergl, Environmental Scientist, US EPA Region 8 Tribal Representatives: Company Representatives: Inspection Report Prepared By: None Josh Swann, Environmental Construction Manager Youn Joo Kim, Environmental Scientist, US EPA Region 8 Lindsey Barnes, Scientist, US EPA Region 8 Inspection Report Reviewed By: Last Inspection: Operating Status: Scott Patefield, Manager, Enforcement and Compliance Assurance Division, Air and Toxics Enforcement Branch SCOTT PATEFIELD Digitally signed by SCOTT PATEFIELD Date: 2023.09.21 09:39:26 -06'00' June 16, 2016 Operating Applicable Requirements: Title V, Part 71 Operating Permit #V-TAT-0003672015.01 Issued July 20, 2021 Synthetic Minor New Source Review Permit Issued August 25, 2020 40 CFR Part 60, Subpart JJJJ-Standards of Performance for Stationary Spark Ignition Internal Combustion Engines 40 CFR Part 60, Subpart OOOOA-Standards of Performance for Crude Oil and Natural Gas Facilities for which Construction, Modification or Reconstruction Commenced after September 18, 2015 40 CFR Part 63, Subpart ZZZZ- National Emission Standards for Hazardous Air Pollutants from Reciprocating Internal Combustion Engines Permit Number: V-TAT-00367-2015.01 Replaces Permit: V-TAT-00367-2015.00 Issue Date: July 20, 2021 Effective Date: May 10, 2021 1 Expiration Date: May 10, 2026 Facility Information and Emission Unit Identification Parent Company Name: Mailing Address: Facility Contact: Facility Operator & Name: Facility Location: County, State: Reservation: Tribe: Responsible Official: SIC Code: ICIS ID: Other CAA Permits: Crestwood Equity Partners, LP 811 Main Street, Suite 3400 Houston, Texas 77002 Patricia Whitenight, Air Quality Manager Arrow Pipeline, LLC: Station 1, 2, 3, 4, 5 and 6 Compressor Stations Station 1 - Latitude 47.759800N, Longitude -102.725922W Station 2 - Latitude 47.723781N, Longitude -102.694333W Station 3 - Latitude 47.729061N, Longitude -102.590211 W Station 4 - Latitude 47.667064N, Longitude -102.545058W Station 5 - Latitude 47.666366N, Longitude -102.72803W Station 6 - Latitude 47.730086N, Longitude -102.356544W McKenzie and Dunn Counties, North Dakota Fort Berthold Indian Reservation MHA Nation (Three Affiliated Tribes) Jeff Stovall, Senior Vice President, Bakken Operations 4922- Pipeline Transportation of Natural Gas 4612- Crude Petroleum Pipelines Station 1- AIR 080000003805300124 Station 2- AIR 080000003805300125 Station 3- AIR 080000003802500045 Station 4- AIR 080000003802500046 Station 5- AIR 080000003802500047 Station 6- AIR 080003805321 There are no other CAA permits for this facility.

CLEAN AIR ACT (CAA) 112(r)(7) & EMERGENCY PLANNING, COMMUNITY RIGHT-TO-KNOW ACT (EPCRA) 312 INSPECTION REPORT Hardin Generating Station Facility Name and Address: Hardin Generating Station Sugar Factory Rd Route 1, Box 1144A Hardin, Montana 59034 Contact/Telephone: Kyle McCormack (303) 607-5590 Mailing Address: 2575 Park Lane, Suite 200 Lafayette, Colorado 80026 Date of Inspection: 9/18/2024 RMP EPA ID #: 1000 0020 4487 Program Level: 3 Covered Substances: o Anhydrous Ammonia TRIFID #: 59034HRDNGSUGAR NAICS: 221112 # Employees at this location: 46 INTRODUCTION This report presents the observations of the CAA section 112(r)(7) and EPCRA section 312 inspection conducted by EPA Region 8.

EOG Resources - Compressor Station Full Compliance Evaluation (FCE) On-Site Clean Air Act (CAA) Inspections Inspection Date(s): February 6, 2024 Inspection Report Date: March 11, 2024 EPA Representatives: US EPA Region 8, Clean Air Act Inspector (Lead) US EPA Region 8, Clean Air Act Inspector Tribal Representatives: MHA Energy MHA Energy Company Representatives: None Inspection Report Prepared By: US EPA Region 8, CAA Inspector (Lead) US EPA Region 8, Clean Air Act Inspector Inspection Report Reviewed By: Manager, Enforcement and Compliance Assurance Division, Air and Toxics Enforcement Branch Applicable Rules: 40 C.F.R Part 49, Subpart C: Federal Implementation Plan for Managing Air Emissions From True Minor Sources in Indian Country in the Oil and Natural Gas Production and Natural Gas Processing Segments of the Oil and Natural Gas Sector (Indian Country FIP) 40 C.F.R Part 60, Subpart OOOOa: Standards of Performance for Crude Oil and Natural Gas Facilities for which Construction, Modification or Reconstruction Commenced After September 18, 2015 (NSPS OOOOa) Other Rules Investigated: 40 C.F.R Part 60, Subpart JJJJ: Standards of Performance for Stationary Spark Ignition Internal Combustion Engines (NSPS JJJJ) 40 C.F.R.

Wexpro Company - Island Compressor Station Full Compliance Evaluation (FCE) On-Site Inspection Inspection Date: September 18, 2024 Inspection Report Date: October 21, 2024 EPA Representatives: , Environmental Scientist, US EPA Region 8 Environmental Scientist, US EPA Region 8 EPA Region 8 US EPA Region 8 Tribal Representatives: Company Representatives: Inspection Report Prepared By: Inspection Report Reviewed By: Last Inspection: Operating Status: Applicable Requirements: Environmental Scientist, Air and Toxics Enforcement Branch, US EPA Region 8 June 23, 2022 Operating Title V; 40 CFR Part 63 National Emissions Standards for Hazardous Pollutants, Subpart ZZZZ (MACT ZZZZ); 40 CFR Part 63, Subpart HH (MACT HH); 40 CFR Part 60 Standards of Performance for New Stationary Sources, Subpart JJJJ (NSPS JJJJ); Consent Decree Case No. 2:08CV-00167-TS-PMW Permit Number: V-UO-000011-2018.00 Replaces Permit Number: V-UO-000011-2006.00 Issue Date: April 23, 2020 Effective Date: May 23, 2020 Expiration Date: May 23, 2025 Facility Information and Emission Unit Identification Parent Company Name: Mailing Address: Facility Contact: Wexpro Company P.O.

Industrial User Facility Inspection Report U.S.

Ref: 8WD-CWW SENT VIA EMAIL DIGITAL READ RECEIPT REQUESTED Jennifer Robinette Director of Environmental Services Metro Water Recovery Jrobinett@metrowaterrecovery.com Re: EPA Pretreatment Audit, National Pollutant Discharge Elimination System Permit Numbers CO-0026638 and CO-0048959 Dear Ms.

Inspection Report - Appendix B, Photograph Log Appendix B Photograph Log El Centro Recycling Inspection Date: March 1, 2023 Inspection Report - Appendix B, Photograph Log Photograph 1.

UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION 6 1201 ELM STREET, SUITE 500 DALLAS, TEXAS 75270 January 23, 2023 Stephen Sumerlin Interim Plant Manager Reserve Plant Evonik Corporation 474 West 19th Street Reserve, Louisiana 70084 Re: Clean Air Act Notification of Violation and Opportunity to Confer Dear Mr.

UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION 6 1201 ELM STREET, SUITE 500 DALLAS, TEXAS 75270 June 6, 2023 SENT VIA EMAIL RETURN RECEIPT REQUESTED Mike Comb General Manager St.

UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION 6 1201 ELM STREET, SUITE 500 DALLAS, TEXAS 75270 Doug Lowrie Environmental Manager EOG Resources, Inc. 5509 Champions Drive Midland, Texas 79706 March 19, 2021 Sent via email: Doug_Lowrie@eogresources.com Re: EOG Resources, Inc., Permian Basin Facility in TX; Administrative Compliance Order on Consent, Docket No.

UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION 6 1201 ELM STREET, SUITE 500 DALLAS, TEXAS 75270 March 18, 2021 Michelle R.

UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION 6 BEFORE THE ADMINISTRATOR ______________________________________________________________________________ IN THE MATTER OF: NGL Water Solutions Permian, LLC Denver, Colorado RESPONDENT ) ) ) DOCKET NO. 06-2021-3375 ) ) ) ) ADMINISTRATIVE COMPLIANCE ORDER ON CONSENT The following Administrative Compliance Order on Consent ("Consent Order") is issued pursuant to the authority of Section 113(a)(1)(A) of the Clean Air Act (the "CAA"), 42 U.S.C. 7413(a)(1)(A).

UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION 6 1201 ELM STREET, SUITE 500 DALLAS, TEXAS 75270 The DOCKET June 21, 2022 TRANSMITTAL VIA EMAIL: Eli Torres Public Works Director City of Snyder W.

EPA Inspection Report Page 1 of 109 OECA - Air Enforcement Division INSPECTION REPORT Inspection Date(s): Media Program: Regulatory Program(s) 04/19/2024 Air Title V/NESHAP Company Name: Facility Name: Facility Physical Location: (city, state, zip code) Mailing address: (city, state, zip code) County/Parish: Facility Phone Number Facility Contact: Pemex - Deer Park Refining LP Deer Park Refinery 5900 Highway 225 Deer Park, TX 77536 PO Box 1915 Deer Park, TX 77536 Harris County (713) 246-4536 James Matt Carlisle Fugitive Emissions Coordinator James.carlisle@deerparkrefinery.com FRS Number: Identification/Permit Number: Media Identifier Number: NAICS: SIC: 110031267064 Title V O-1669, NSR 21262 and PSDTX928M1 TX0000004820102076 324110 - Petroleum Refineries 2911 - Petroleum Refining Personnel participating in inspection: Nicholas Bobbs EPA/OECA/OCE/AED Sydney Knodl EPA/Region 6 Nicolas Studebaker EPA/Region 6 Sophia Ong EPA/Region 6 Dan Roper ERG Alexia Scott ERG Elizabeth Hubbard ERG Mike Miller TCEQ James Carlisle Pemex Derrick Stanley Pemex Calvin Greene Pemex Max Serrano Pemex Phyllis Rodriguez Pemex Tim Bogle Pemex Bryan Mooney Pemex Greg Moreno Pemex Armando Villanueva Pemex Larry Brown Think Environmental Lead Inspector Inspector Inspector Inspector EPA Contractor EPA Contractor EPA Contractor Technical Specialist Fugitive Emissions Coordinator Environmental Supervisor Environmental Manager Waste Coordinator Environmental Engineer UP Production Safety Supervisor VP of EHS NET Production Specialist LDAR Contractor 6ENFORM-019-R8.2 (02/12/2020) 1 EPA Inspection Report Page 2 of 109 EPA Lead Inspector Signature/Date Supervisor Signature/Date Pemex / Deer Park Refinery Inspection Date 04/19/2024 NICHOLAS BOBBS Date: 2024.10.15 13:18:50 -04'00' Digitally signed by NICHOLAS BOBBS {Inspector name} Date GREGORY FRIED Date: 2024.10.16 10:10:22 -04'00' Digitally signed by GREGORY FRIED {Supervisor name} Date Section I - INTRODUCTION PURPOSE OF THE INSPECTION EPA inspectors Sophia Ong, Sydney Knodl, and Nicolas Studebaker (EPA Region 6), and I (Nicholas Bobbs, EPA Office of Enforcement & Compliance Assurance or "OECA") arrived at the Pemex - Deer Park Refinery ("DPR" or "the facility") at 8:00 on April 16, 2024 for an announced inspection.

UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION 6 1201 ELM STREET, SUITE 500 DALLAS, TEXAS 75270 November 30, 2022 Mitch Waits Director of QHSS&E John W.