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

The DOCKET UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION 6 1201 ELM STREET, SUITE 500 DALLAS, TEXAS 75270 July 1, 2022 TRANSMITTAL VIA EMAIL: Lisa Tyer Director of Utilities City of Waco Riverside Water Treatment Plant P.

UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION 6 1201 Elm Street, Suite 500 Dallas, Texas 75270 FILED 06 JUN 24 PM 12:55 REGIONAL HEARING CLERK EPA REGION 6 In the Matter of International-Matex Tank Terminals LLC, Respondent.

Region 6 - Enforcement & Compliance Assurance Division INSPECTION REPORT Inspection Date(s): Media Program: Regulatory Program(s) October 28-29, 2024 Air Clean Air Act (CAA) 112(r) and 40 Code of Federal Regulations (C.F.R.)

Region 6 - Enforcement & Compliance Assurance Division INSPECTION REPORT Inspection Date(s): Media Program: Regulatory Program(s) June 22-24, 2021 Air Clean Air Act Section 112(r) and 40 Code of Federal Regulations (C.F.R.)

UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION 6 1201 ELM STREET, SUITE 500 DALLAS, TEXAS 75270 -DQXDU\2 SENT BY ELECTRONIC MAIL Michael.McCarble@us.sasol.com Michael McCarble Sasol Chemicals USA, LLC Senior Manager of Process Safety 2201 Old Spanish Trail Westlake, Louisiana 70669 Re: Notice of Potential Violation and Opportunity to Confer Clean Air Act Prevention of Accidental Releases Provisions Sasol Chemicals USA, LLC Dear Mr.

REGION 6 DALLAS, TX 75270 September 5, 2024 TRANSMITTED VIA E-MAIL The Honorable Russell Humphrey Mayor of Huntsville 1212 Avenue M Huntsville, Texas 77340 rhumphrey@huntsvilletx.gov Re: Administrative Order; Docket Number: CWA-06-2024-1786 Robinson Creek Wastewater Treatment Facility TPDES Permit Number: TX0116572 Dear Mayor Humphrey: Enclosed is an Administrative Order (AO) issued to the City of Huntsville for violations of the Clean Water Act (CWA) (33 U.S.C. 1251 et seq.).

March 2, 2025 TRANSMITTED VIA EMAIL The Honorable Michael Nealeigh Mayor, Village of Jemez Springs P.O.

May 20, 2025 TRANSMITTED VIA E-MAIL Stanley Brewer Plott Acres 7717 Milwaukee Avenue, Ste E409 Lubbock, TX 79424 stanbrewer1967@gmail.com Re: PWS ID Number: TX1520062 Administrative Order; Docket Number: SDWA-06-2025-1212 Dear Brewer: Enclosed is an Administrative Order (Order) issued by the United States Environmental Protection Agency (EPA), Region 6 concerning Plott Acres.

August 28, 2025 TRANSMITTED VIA E-MAIL Frances Hammond, DMRQA Coordinator LCY Elastomers LP 4803 Decker Drive Baytown, Texas 77520 fhammond@lcyelastomers.com RE: Administrative Order; Docket Number: CWA-06-2025-1777 TPDES Permit Number: TX0128015 Dear Ms.

UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION6 1201 ELM STREET, SUITE 500 DALLAS, TEXAS 75270-2102 April 18, 2022 TRANSMITTED V IA E-MAIL Mr.

March 12, 2024 TRANSMITTED VIA EMAIL Mr.

U.S.

Inspector Well Inspection Osage DNR / Environmental Protection Agency 1201 Elm Street, Suite 500 Dallas, Texas 75270 Matthew Allen Inspection Date 10/29/2024 Time Operator Representative Helmer Oil Corp. 08:30 Operator Info Helmer Oil Corp.

Region 6 - Enforcement & Compliance Assurance Division INSPECTION REPORT Inspection Date(s): Media Program: Regulatory Program(s) 12/10/2024 Water (CWA) Water (CWA) Brine Program (Oil & Gas inspection) Company Name: Facility Name: Facility Physical Location: (city, state, zip code) Mailing address: (city, state, zip code) County/Parish: Facility Phone Number Facility Contact: Merit Energy Company, LLC Williams K No 3-12 Off Oak Bend Road at 35.38158 -93.92898 Branch, AR 72928 13727 Noel Road, Ste. 1200 Dallas, TX 75240 Franklin County 972-628-1559 Clay Munger (501-368-4704) Operations Manager chris.heavner@meritenergy.com FRS Number: Identification/Permit Number: Media Identifier Number: NAICS: SIC: N/A ARU002270 N/A 211111 1311 Personnel participating in inspection: Uma Lad EPA / Region 6 ECDW Kerri McCabe EPA / Region 6 ECDW Michael Blaha EPA / Region 6 ECDW Inspector / Enforcement Officer Inspector / Enforcement Officer Inspector / Enforcement Officer EPA Lead Inspector Signature/Date UMA LAD Uma Lad Digitally signed by UMA LAD Date: 2025.01.27 09:12:18 -06'00' Date Supervisor Signature/Date JEANNE ECKHART Date: 2025.01.27 13:45:35 -06'00' Digitally signed by JEANNE ECKHART Jeanne Eckhart Date 6ENFORM-019-R8.2 (02/12/2020) 1 Merit Energy Company, LLC / Williams K No 3-12 (ARU002270 / CWA) Inspection Date 12/10/2024 Section I - INTRODUCTION PURPOSE OF THE INSPECTION EPA Region 6 inspectors Uma Lad, Kerri McCabe, and Michael Blaha arrived at the Merit Energy Company, LLC / Williams K No. 3-12 ("facility"), located off Oak Bend Road at 35.38158, -93.92898, at 12:18 PM on December 10, 2024 for an unannounced inspection.