UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION 6 1201 ELM STREET, SUITE 500 DALLAS, TEXAS 75270 22 JUH 23 .4/l 9: 33 EXPEDITED SETTLEMENT AGREEMENT (ESA) '.:..:.

UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION 5 77 WEST JACKSON BOULEVARD CHICAGO, ILLINOIS 60604 SUBJECT: FROM: THRU: TO: CLEAN AIR ACT INSPECTION REPORT DuPont Pontchartrain, LaPlace, Louisiana Constantinos Loukeris AECAB (MI/WI) Sarah Marshall, Section Supervisor AECAB (MI/WI) File BASIC INFORMATION Facility Name: DuPont Pontchartrain Facility Location: 586 Highway 44, LaPlace, Louisiana 70068 Date of Inspection: April 13, 2022 and April 22, 2022 EPA Inspector(s): 1.

EPA Inspection Report - Page 1 of 5 Region 6 - Enforcement & Compliance Assurance Division INSPECTION REPORT Inspection Date(s): Media Program: Regulatory Program(s) 04/18/2022 Air SIP, Title V Company Name: Facility Name: Facility Physical Location: (city, state, zip code) County/Parish: Facility Phone Number Facility Contact: NuStar Energy L.P.

EPA Inspection Report Page 1 of 7 Region 6 - Enforcement & Compliance Assurance Division INSPECTION REPORT Inspection Date(s): Media Program: Regulatory Program(s) 02/07/2024 Air 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: Phillips 66 Spindletop Compressor Station 6175 Highland Ave Beaumont, Texas, 77705 6175 Highland Ave Beaumont, Texas, 77705 Jefferson County 409-332-3443 Ruben Herrera Ruben.Herrera@p66.com Environmental Specialist FRS Number: Identification/Permit Number: Media Identifier Number: NAICS: SIC: 110015744523 RN100211424 - Permit no. 02507 48-245-00169 211111, 486210 1311 Personnel participating in inspection: Benjamin Donaldson Region 6 ECDAT Kenneth McPherson Region 6 ECDAT Justin Chen Region 6 ECDAT Daniel Hoyt OECA AED Nathan Hicks OECA AED Richard Helmich NEIC Philip Myers NEIC Bryan Mason Phillips 66 Justin Goss Phillips 66 Ruben Herrera (via phone) Phillips 66 Environmental Engineer Life Scientist Environmental Engineer Environmental Engineer Physical Scientist Chemist Mechanical Engineer Operator Supervisor Environmental Specialist EPA Lead Inspector Signature/Date Supervisor Signature/Date Digitally signed by Benjamin Benjamin Donaldson Donaldson Date: 2024.04.12 14:22:09 -05'00' Benjamin Donaldson Date JAMES LEATHERS Date: 2024.04.12 14:48:30 -05'00' Digitally signed by JAMES LEATHERS James Leathers Date 6ENFORM-019-R8.2 (02/12/2020) 1 EPA Inspection Report Page 2 of 7 Section I - INTRODUCTION Phillips 66 / Spindletop Compressor Station Inspection Date 02/07/2024 PURPOSE OF THE INSPECTION EPA inspectors Benjamin Donaldson (R6 ECDAT), Justin Chen (R6 ECDAT), Kenneth McPherson (R6 ECDAT), Daniel Hoyt (OECA AED), and Nathan Hicks (OECA AED) accompanied by Philip Myers and Richard Helmich (National Enforcement Investigations Center, "NEIC") arrived at the Phillips 66 Spindletop Compressor Station ("Spindletop") at 8:50AM on February 7, 2024, for an unannounced inspection.

UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION 6 1201 ELM STREET, SUITE 500 DALLAS, TEXAS 75270 September 26, 2023 VIA EMAIL John Jones City of Dallas McCommas Bluff Landfill 5100 Youngblood Rd Dallas, Texas 75241 RE: Notice of Violation and Opportunity to Confer Dear Mr.

REGION 6 DA LLAS, TX 75270 August 16, 2024 TRANSMITTED VIA CERTIFIED MAIL: Edward Miller President, Harris County MUD 8 10000 Memorial Dr Ste 260 Houston, TX 77024-3430 Re: Administrative Order, Docket Number: SDWA-06-2024-1235 PWS ID Number: TX1010712 Dear Mr.

UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION6 1201 ELM STREET, SUITE 500 DALLAS, TEXAS 75270-2102 June 28, 2022 TRANSMITTED VIA E-MAIL Mr.

UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION 6 1201 ELM STREET, SUITE 500 DALLAS, TEXAS 75270-2102 June 24, 2022 TRANSMITTED VIA E-MAIL Mr.

Inspector Well Inspection Osage DNR / Environmental Protection Agency 1201 Elm Street, Suite 500 Dallas, Texas 75270 Matthew Allen Inspection Date 07/16/2024 Time 07:15 Operator Representative Bandwheel Production Company, LLC Operator Info Bandwheel Production Company, LLC P.O.

Inspector Well Inspection Osage DNR / Environmental Protection Agency 1201 Elm Street, Suite 500 Dallas, Texas 75270 Matthew Allen Inspection Date 07/18/2024 Time 11:00 Operator Representative Calgary Energy, LLC Operator Info Calgary Energy, LLC 4444 E. 146th St.

Region 6 - Enforcement & Compliance Assurance Division INSPECTION REPORT Inspection Date(s): Media Program: Regulatory Program(s) 12/12/2023 Water Clean Water Act Company Name: Facility Name: Facility Physical Location: (city, state, zip code) Mailing address: (city, state, zip code) County/Parish: Facility Phone Number Facility Contact: Neilco (4063) 3G Energy Frost F1 SWD Latitude: 33.24715, Longitude: -92.6019 El Dorado, AR, 71730 1945 Smackover Hwy El Dorado, Arkansas, 71730 Union County 870-918-3875 Craig Bonsall (Operator) Neil Walker (Representative) neil@wesoilgas.com FRS Number: Identification/Permit Number: Media Identifier Number: NAICS: SIC: NA ARU002197 NA 211111 1311 Personnel participating in inspection: Chelsey Sherwood EPA/Region 6 ECDW Michael Blaha EPA/Region 6 ECDW Tamara Griffin EPA/Region 6 ECDW Enforcement Officer/Inspector Enforcement Officer/Inspector Enforcement Officer/Inspector EPA Lead Inspector Signature/Date Supervisor Signature/Date CHELSEY SHERWOOD Date: 2024.02.07 11:44:39 -06'00' Digitally signed by CHELSEY SHERWOOD Chelsey Sherwood 1/30/2024 Date MITTY GARCIA Date: 2024.02.07 11:48:03 -06'00' Digitally signed by MITTY GARCIA Jeanne Eckhart (acting Chief Mitty Garcia) Date 6ENFORM-019-R8.2 (02/12/2020) 1 Section I - INTRODUCTION Neilco (4063) 3G Energy/ARU002197(CWA) Inspection Date 12/12/2023 PURPOSE OF THE INSPECTION EPA Region 6 inspectors Chelsey Sherwood, Michael Blaha, and Tamara Griffin arrived at Neilco (4063) 3G Energy, Frost F1 SWD, located off Old Reed Place Road (33.24715, -92.6019) at 12:15PM on 12/12/2023 for an unannounced inspection.

Inspector Well Inspection Osage DNR / Environmental Protection Agency 1201 Elm Street, Suite 500 Dallas, Texas 75270 Matthew Allen Inspection Date 03/02/2026 Time 16:45 Operator Representative Superior Oil And Gas, LLC Operator Info Superior Oil And Gas, LLC 42516 Hwy 412 Ringwood, OK 73768 Phone: 580-554-5515 Inventory ID API Well No Lease Name Well ID OS6332000 CLARMORE 1A Location SE 32 23N 08E Status Inactive Well Type Disposal Latitude 36.420662 Longitude -96.465689 Inspection Plugging Witnessed Reason Responsible Company at Superior Oil And Gas, LLC Time of Inspection Inspect No.

Region 6 - Enforcement & Compliance Assurance Division INSPECTION REPORT Inspection Date(s): Media Program: Regulatory Program(s) 3/23/2020 Water Brine - CWA Company Name: Facility Name: Facility Physical Location: (city, state, zip code) Mailing address: (city, state, zip code) County/Parish: Facility Phone Number Facility Contact: Mike Wachtman Unknown 36.6800, -96.3074 (SW Sect. 35, T 25N, R 9E) Pawhuska, Oklahoma 74056 2300 N.

Region 6 - Enforcement & Compliance Assurance Division INSPECTION REPORT Inspection Date(s): Media Program: Regulatory Program(s) 04/13/2023 Water Clean Water Act - National Pollution Discharge Elimination System (NPDES) - Brine Program Company Name: Facility Name: Facility Physical Location: (city, state, zip code) Mailing address: (city, state, zip code) County/Parish: Facility Phone Number Facility Contact: Ardmore Production and Exploration Company Ramsey 34.166360, -97.360020 Lone Grove, Oklahoma 73443 P.O.

Inspector Inspection Due Operator Info Well Inspection Osage DNR / Environmental Protection Agency 1201 Elm Street, Suite 500 Dallas, Texas 75270 Jeanne Eckhart Inspection Date 05/23/2023 2018-05-04T00:00:00Z Operator Representative Contango Contango Resources, LLC Inventory ID OS2698000 1717 South Boulder, Suite 900 Tulsa, OK 74119 Phone: 918-392-3396 API Well No Lease Name Well ID NRU 03-02W Time 14:00 Resources, LLC Location SW 10 24N 07E Status Inactive Well Type Enhanced Recovery Latitude 36.565891 Longitude -96.54794 Inspection Reason Requested By Compliance Staff Responsible Company at Time Contango Resources, LLC of Inspection Inspect No.