Region 6 - Enforcement & Compliance Assurance Division INSPECTION REPORT Inspection Date(s): Media Program: Regulatory Program(s) 07/16/2024 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: LBOC, LLC Baker Sand Unit Tank Battery From Highway 167 S, then Champagnolle Rd, off Champagnolle Landing Rd at 33.317140, -92.510810.

Region 6 - Enforcement & Compliance Assurance Division INSPECTION REPORT Inspection Date(s): Media Program: Regulatory Program(s) 06/15/2023 Water NPDES Company Name: Facility Name: Facility Physical Location: (city, state, zip code) Mailing address: (city, state, zip code) County/Parish: Facility Phone Number Facility Contact: San Felipe Pueblo San Felipe Pueblo Wastewater Treatment Plant (WWTP) 76 Taos Road San Felipe Pueblo, Sandoval County, New Mexico Post Office Box 4219 San Felipe Pueblo, New Mexico 87121 Sandoval (505) 771-6628 Pinu'u Stout Director Department of Natural Resources pstout@sfpueblo.com FRS Number: Identification/Permit Number: Media Identifier Number: NAICS: SIC: 110037117679 NM0031011 NA 221320 4952 Personnel participating in inspection: Pinu'u Stout San Felipe Pueblo Paul Kennedy Chris Lopez James Leija David A.

September 5, 2024 TRANSMITTED VIA E-MAIL Andrew C.

TRANSMITTED VIA E-MAIL Dr.

UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION6 1201 ELM STREET, SUITE 500 DALLAS, TEXAS 75270-2102 January 30, 2023 TRANSMITTED VIA E-MAIL Ms.

UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION6 1201 ELM STREET, SU ITE 500 DALLAS, TEXAS 75270-2102 TRANSMITTED VIA E-MAIL July 5, 2023 Ms.

April 25, 2024 TRANSMITTED VIA EMAIL O.L.

DOCKET NO.

U.S.

UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION 6 1201 ELM STREET, SUITE 500 DALLAS, TEXAS 75270-2102 TRANSMITTED VIA E-MAIL March 29, 2021 Mr.

UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION 6 1201 ELM STREET, SUITE 500 DALLAS, TEXAS 75270-2102 March 28, 2023 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.

REGION 6 DALLAS, TX 75270 May 24, 2024 TRANSMITTED VIA E-MAIL Clint Penrose Braskem America Inc. 8811 Strang Road La Porte, TX 77571 clint.penrose@braskem.com RE: Administrative Order; Docket Number: CWA-06-2024-1752 TPDES Permit Number: TX0074276 Dear 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.

UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION 6 1201 ELM STREET, SUITE 500 DALLAS, TEXAS 75270-2102 September 1, 2022 TRANSMITTED VIA E-MAIL Dr.