UNITED STATES ENVIRONMENTAL PROTECTION AGENCY, REGION 2 Enforcement and Compliance Assurance Division Water Compliance Branch Clean Water Act (CWA) Inspection Report Program: Industrial Stormwater (5G2) Site Name: Tri-State Quikrete Inspection Entry Date: 09/04/2024 Inspection Entry Time: 9:40 AM Facility Inspected: Tri-State Quikrete 150 Gold Mine Road Flanders, NJ 07836 Inspection Type: Compliance Evaluation Inspection NJPDES/ICIS No.: NJG167789 Inspection Exit Date: 09/04/2024 Inspection Exit Time: 11:00 AM Lat, Long: 40.88045, -74.71525 NAICS / SIC Code: 3272 - Concrete Products, Except Block and Brick EPA Representative(s): Christina Palmrose-Krieger, EPA Region 2, 212-637-4049, Palmrosekrieger.Christina@epa.gov State Representative(s): N/A On-site Facility Representative(s): Tony Miceli, Operations Manager, Tony.Miceli@quikrete.com Name and Address of Responsible Official: Tony Miceli 150 Gold Mine Road Flanders, NJ 07836 Name and Signature of Inspector CHRISTINA Digitally signed by CHRISTINA PALMROSE-KRIEGER PALMROSE-KRIEGER Date: 2024.10.23 09:37:38 -04'00' Name and Signature of Management QA Reviewer Digitally signed by JUSTINE MODIGLIANI Date: 2024.11.05 11:18:16 -05'00' Agency/Office/Phone Number USEPA/ECAD-WCB/212-637-4049 Agency/Office/Phone Number USEPA/ECAD-WCB/212-637-4268 I.

Jason Groza, Branch General Manager and Keith Gordon, Lead Materials Handler personnel.

EPA Small Business Resources Information Sheet x Solvent-Contaminated Wipes Final Rule Summary Chart x IDNR Excluded Solvent-Contaminated Wipes Rule: Management Practices for Wipes, Rags, and Shop Towels x Recycling Electronics: A Guide for Businesses x Lead-Based Paint Activities: Handling and Disposal x Battery Recycling/Disposal x Management of Fluorescent Lamps for Businesses x Incompatible Chemicals x Universal Wastes - Including Aerosol Cans x TCLP - Toxicity Characteristic Leaching Procedure x Part 279 Requirements: Used Oil Management Standards x EPA Region 7 Emergency Response Program x Chemical Facility Anti-Terrorism Standards x Iowa Environmental Guide for Businesses 2 I reviewed the Verification Report (Attachment 1) with the CVMC team during the CEI.

Region 6 - Enforcement & Compliance Assurance Division INSPECTION REPORT Inspection Date(s): Media Program: Regulatory Program(s) February 25-28, 2020 RCRA LQG/TSDF Company Name: Facility Name: Facility Physical Location: (city, state, zip code) Mailing address: (city, state, zip code) County/Parish: Facility Phone Number Facility Contact: Axiall Corporation Axiall, Plaquemine 26100 Highway 405 Plaquemine, LA.70764 26100 Highway 405 Plaquemine, LA. 70764 Plaquemine 630-305-2059 Hillary Garner Hillary.garner@westlake.com FRS Number: Identification/Permit Number: Media Identifier Number: NAICS: SIC: 110002040461 LAD057117434 LAD057117434 325211 Personnel participating in inspection: John Penland EPA Bill Mansfield EPA Angela Hays EPA Phyllis Luke LDEQ Terry Dedon LEDQ Jenifer Kidd LDEQ Hillary Garner Westlake / Axiall Doug Kinittig Westlake / Axiall Joseph Daigneault Westlake / Axiall Katy Roberson Westlake / Axiall Regional EHS Manager Lead Inspector Inspector Inspector Inspector Inspector Inspector Regional EHS Manager Site Manager Principal HSE (CWA) Environmental Engineer (CAA) EPA Lead Inspector Signature/Date Supervisor Signature/Date 6ENFORM-020-R8.2 (02/12/2020) JOHN PENLAND John Penland (ECDSR) Digitally signed by JOHN PENLAND DN: c=US, o=U.S.

LPDES stormwater runoff outfalls also lead to Ouachita River by means of Simms Bayou on the north and the oxbow cutoff lake on the south.

Based on the LSLI, the Axtell WSC doesn't have a lead service line.

Arlington, TX 76010 Tarrant County (817) 652-2452 Trinette Moore Environmental Engineer - Environmental Lead trinette.moore@gm.com FRS Number: Identification/Permit Number: Media Identifier Number: NAICS: SIC: N/A N/A RCRA ID: TXD008018004 336112 - Light Truck and Utility Vehicle Manufacturing Personnel participating in inspection: John Penland US EPA Region 6 (ECAD) Gabriel Salinas US EPA Region 6 (ECAD) Janeth Rodriguez Trinette Moore Chris Boehle General Motors General Motors General Motors Senior Environmental Scientist (Lead Inspector) Senior Environmental Scientist (Inspector) Environmental Engineer Environmental Engineer Senior Environmental Engineer EPA Lead Inspector Signature/Date Supervisor Signature/Date For John Penland: GABRIEL SALINAS Digitally signed by GABRIEL SALINAS DN: c=US, o=U.S.

Contains AOC: Yes Contains CBI: No Lead Inspector: Brook McKeown Attendees: Matt Labat (QHSE Manager), Craig Boudreaux (Site Manager) Facility personnel provided the inspection team with a summary of operations at CP2.

Region 6 - Enforcement & Compliance Assurance Division INSPECTION REPORT inspection Date(s): Media Program: Regulatory Program(s) January 16-18, 2024 RCRA Small Quantity Generator Company Name: Facility Name: Facility Physical Location: (City, State, Zip Code) Mailing address: (City, State, Zip Code) County/Parish: Facility Phone Number Facility Contact: K-Solv K-Solv Chemical Distribution and Maritime Services 1007 Lakeside Drive Channelview, Texas 77530 1007 Lakeside Drive Channelview, Texas 77530 Harris County Bernard Nelson bnelson@ksolv.com Environmental Manager FRS Number: Identification/Permit Number: Media Identifier Number: NAICS: SIC: 110031302365 NA RCRA ID: TXR000068908 424690 - Other Chemical and Allied Products Merchant Wholesalers Personnel participating in inspection: John Penland USEPA Region 6 (ECDSR) Jhamila Perrier Gary Weatherly Bernard Nelson Kodi Scott Tracey Simeon Beau McDonald Paul Pentecost TCEQ Region 12 K-Solv K-Solv K-Solv K-Solv K-Solv AARC Group Senior Environmental Scientist Inspector Hazardous Waste Investigator Executive Vice President - Operations Registered Environmental Manager Compliance Coordinator EHS Manager EPA Lead Inspector Signature/Date JOHN PENLAND Date: 2024.02.16 11:39:52 -06'00' Digitally signed by JOHN PENLAND John Penland - Senior Environmental Scientist (ECDSR) Date Supervisor Signature/Date DEBRA PANDAK Date: 2024.02.16 12:10:28 -06'00' Digitally signed by DEBRA PANDAK Debra Pandak - Section Chief (ECDSR) Date 6ENFORM-019-R8.2 (02/12/2020) 1 Section I - INTRODUCTION K-Solv Chemical and Maritime Services January 16-18, 2024 PURPOSE OF THE INSPECTION During the week of January 16, 2024, I, John Penland, conducted an unannounced inspection of the KSolv Chemical and Maritime Services facility (K-Solv) located at 1007 Lakeside Drive in Channelview, Texas, for compliance with the Resource Conservation and Recovery Act (RCRA).

Inspection Attendees: NAME John Penland Sandesh Thapa Dan Shelton Walt Wilkerson Julio Cuellar TITLE Lead Hazardous Waste Inspector Asst.

Main Street, STE 101 Oklahoma City, OK 73102 Oklahoma County 405-482 -4649 Leigh Ann Kitsmiller I I Regulatory Compliance Manager leigh.kitsmiller@okc.gov System Classification PWS ID: Media Identifier Number: NAICS: SIC: Community Water System (CWS) OK1020902 N/A 221310 4941 Personnel participating in inspection: Daniel Kim EPA Region 6 Mimi Phillips EPA Region 6 Jeff Bolden Oklahoma City Water Utilities Trust Brook Bennett Oklahoma City Water Utilities Trust Leigh Ann Kitsmiller Oklahoma City Water Utilities Trust Brett Musgrove Oklahoma City Water Utilities Trust Jared Johnston-Cox Oklahoma City Water Utilities Trust Jerome Espiritu OKC IT Department Lead Inspector Inspector Superintendent Assistant Superintendent Regulatory Compliance Manager Business Systems Manager SCADA Manager Information Security Analyst Isaac Sparks Felisha Lester EPA Lead Inspector Signature/Date Supervisor Signature/Date Oklahoma Department of Environmental Quality (ODEQ) ODEQ Engineering and Enforcement Representative District Coordinator DANIEL KIM Digitally signedbyDANIELKIM Date: 2025.12.09 08:41 :33 06'00' Daniel Kim Date RUBEN ALAYON-GONZALEZ Date: 2025.12.19 08:3 :23-06'00' Digitally signed by RU BEN ALAYON-GONZALEZ Ruben Alayon-Gonzalez Date 1 Oklahoma City Public Water System (OK1020902) Inspection Date: November 6, 2025 Section I - INTRODUCTION PURPOSE OF INSPECTION On November 6, 2025, United States Environmental Protection Agency (EPA) Region 6 conducted an announced Compliance Evaluation Inspection under Section 1445 of the Safe Drinking Water Act (SDWA), 42 U.S.C. 300j-4, of Oklahoma City Public Water System (referred to as the System or Oklahoma City) (OK1020902).

Senior Environmental Scientist Owner Material Handler General Manager Environmental Consultant EPA Lead Inspector Signature/Date John Penland - Lead Inspector Date Supervisor Signature/Date Debra Pandak - RCRA Section Supervisor Date 6ENFORM-019-R8.2 (02/12/2020) 1 Section I - INTRODUCTION Sound Resource Solutions LLC. - Shepherd, Texas February 6, 2025 On February 6, 2025, I John Penland conducted an unannounced inspection of the Sound Resource Solutions, LLC.

EPA Lead Inspector Signature/Date Supervisor Signature/Date ERIN YOUNGDAHL Digitally signed by ERIN YOUNG-DAHL Date: 2023.02.08 22:38:00 -06'00' Erin Young-Dahl - Lead Inspector Digitally signed by JEFFREY JEFFREY YURK Date: 2023.02.13 12:29:57 YURK -06'00' Jeff Yurk - Waste Enforcement Section Chief Date Date 6ENFORM-019-R8.2 (02/12/2020) 1 Section I - INTRODUCTION Gulf Copper & Manufacturing Galveston Dry Dock and Rig Repair 12/08/2022 PURPOSE OF THE INSPECTION On December 8, 2022, I, Erin Young-Dahl, conducted an unannounced inspection of the Gulf Copper & Manufacturing Dry Dock and Rig Repair facility (Gulf Copper) in Galveston, TX.

Newton Owner / Operator larayoilco@sat-co.net FRS Number: Identification/Permit Number: Media Identifier Number: NAICS: SIC: N/A ARU002232; ADEQ State No-Discharge permit 0709-WG-SW for AFIN 7001291 N/A 211111 1311 Personnel participating in inspection: Michael Blaha EPA / Region 6 ECDW Uma Lad EPA / Region 6 ECDW Kerri McCabe (lead) EPA / Region 6 ECDW Jimmy R.

Attendees Title/Organization Lead Inspector/ Contractor/ERG RCRA Inspector/ Contractor/ERG Inspector/Enforcement Officer/EPA Region 6 Inspector/Enforcement Officer/EPA Region 6 Name Vince Damiano Phone Email (703) 633-1732 Vince.Damiano@erg.com Opening Conf.