Petro-Hunt L.L.C. - Various Well Pads Partial Compliance Evaluation (PCE) On-Site Clean Air Act (CAA) Inspections Inspection Date(s): October 21-22, 2024 Inspection Report Date: December 27, 2024 US EPA Region 8 Representatives: Katelyn Bergl, Clean Air Act Inspector Youn Joo Kim, Clean Air Act Inspector Taylor Waanders, Clean Air Act Inspector North Dakota Division of Russel Martin, Inspector Air Quality Representatives: Myles Erb, Inspector Company Representatives: None Inspection Report Prepared Katelyn Bergl By: Youn Joo Kim Inspection Report Reviewed By: Applicable Rules: Scott Patefield, Manager, Enforcement and Compliance Assurance Division, Air and Toxics Enforcement Branch SCOTT PATEFIELD Date: 2024.12.27 15:19:10 -07'00' Digitally signed by SCOTT PATEFIELD North Dakota Administrative Code, Title 33.1, Article 15, as incorporated into North Dakota's EPA-approved State Implementation Plan at 40 C.F.R.

Ref: 8 Montana SENT VIA EMAIL DIGITAL READ RECEIPT REQUESTED City of Poplar , Mayor Re: Inspection Report for City of Poplar/Wastewater Treatment Plant, NPDES Permit No.

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.

CLEAN AIR ACT (CAA) 112(r)(7) & EMERGENCY PLANNING, COMMUNITY RIGHT-TO-KNOW ACT (EPCRA) 312 INSPECTION REPORT Sterling Production Plant Facility Name and Address: Sterling Production Plant 20313 Riverside Drive Sterling, Colorado 80751 Contact/Telephone: 308-345-2280 Mailing Address: PO Box 1748 McCook, NE 69001-1748 Date of Inspection: 5/24/2023 RMP EPA ID #: 1000 0001 4842 Program Level: 3 Covered Substances: o Anhydrous Ammonia TRIFID #: NA NAICS: 32531 # Employees at this location: 4 INTRODUCTION This report presents the observations of the CAA section 112(r)(7) and EPCRA section 312 inspection conducted by EPA Region 8.

Compliance Evaluation Inspection Report Piedra Peak Plaza July 2024 Submitted to: U.S.

` November 14, 2025 Transmitted via Email Gary Giddings Manager, US Gas Operations TC Energy 7179 State Highway 17 Delhi, LA 71232 gary_giddings@tcenergy.com RE: Alternative Monitoring Plan - 40 Code of Federal Regulations (CFR) Part 63, National Emission Standards for Hazardous Air Pollutants (NESHAPS)-Subpart YYYY-Stationary Combustion Turbines - Two (2) Stationary Combustion Turbines without Oxidation Catalyst-TC Energy-Columbia Gulf Delhi Compressor Station-Delhi, Louisiana Dear Mr.

WPX Energy Permian, LLC CAA-06-2021-3320 UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION 6 BEFORE THE ADMINISTRATOR In the Matter of: WPX Energy Permian, LLC Denver, Colorado Respondent ) ) ) EPA Docket No.

EPA Inspection Report - Page 1 of 19 Region 6 - Enforcement & Compliance Assurance Division INSPECTION REPORT Inspection Date(s): Media Program: Regulatory Program(s) 08/02/2022 Air SIP, Title V Company Name: Facility Name: Facility Physical Location: (city, state, zip code) County/Parish: Facility Coordinates (Entrance): Facility Phone Number: Facility Contact: Americas Styrenics, LLC St.

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March , 2025 TRANSMITTED VIA E-MAIL Dr.

UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGIONS 1201 ELM STREET, SUITE 500 DALLAS, TEXAS 75270-2102 February 15, 2022 TRANSMITTED VIA E-MAIL Mr.

UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION 6 1201 ELM STREET, SUITE 500 DALLAS, TEXAS 75270-2102 July 6, 2023 TRANSMITTED VIA E-MAIL The Honorable Louie Gallegos Mayor, Village of Fort Sumner P.O.

Inspector Operator Info Well Inspection Osage DNR / Environmental Protection Agency 1201 Elm Street, Suite 500 Dallas, Texas 75270 Uma Lad Inspection Date 04/17/2024 Time 13:08 Operator Representative Beckham And Butler Beckham and Butler Inventory ID OS5661000 1124 South Price Hominy, OK 74035 Phone: 918-885-4406 API Well No Lease Name Well ID Pershing 1WSW Location NE 01 24N 09E Status Active Well Type Disposal Latitude 36.58925 Longitude -96.282514 Inspection Routine Reason Responsible Company at Beckham and Butler Time of Inspection Inspect No.

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