This was an EPA lead inspection. 8) Facility Description Arch Wood Protection Inc.

PROJECT TEAM MEMBERS Organization EPA Region 7, ECAD, Air Branch Missouri Department of Natural Resources (MoDNR), Southwest Regional Office Page 3 of 17 Project Role Lead inspector Field team member FACILITY CONTACT INFORMATION Table 3 lists the primary facility contacts in order of contact during the inspection.

REGION 10 SEATTLE, WA 98101 RETURN RECEIPT REQUESTED Mr.

Jonathan Moody, Lead Inspector 2.

This was an EPA lead inspection. 8) Facility Description CHR is a subsidiary of Clean Harbors, a provider of environmental and industrial services.

I explained that I would be leading the EPA inspection with Zach Hedgpeth (EPA), IDEQ's participation was for observation purposes only.

Caerus Oil and Gas - Ouray Compressor Station Full Compliance Evaluation (FCE) On-Site Clean Air Act (CAA) Inspection Inspection Date: March 21, 2023 Inspection Report Date: May 18, 2023 EPA Representatives: Michael Stovern, Colin Lecortz, Christine Tokarz Tribal Representatives: Mike Natchees, Lonnie Favel, Mariko Blackbird, Alverna Nelson Company Representatives: Jerry Dismukes, Jim Gress, Kelly Jensen, Grizz Oleen Inspection Report Prepared By: Michael Stovern Inspection Report Reviewed By: Last CAA Inspection: Scott Patefield SCOTT PATEFIELD PATEFIELD Digitally signed by SCOTT Date: 2023.06.26 15:01:51 -06'00' May 11, 2021 Applicable Rules: 40 C.F.R.

NPDES Inspection Report - Wastewater Treatment Facility National Database Information Inspection Date: June 30, 2021 Entry / Exit Time: 1:30pm / 3:30pm Inspection Type: CEI - Wastewater Treatment Facility, Minor NPDES ID Number: WYG589107 NAICS Code: 221320 (Sewage Treatment Facilities) Inspection ID: 202106_WYG589107 Lead inspector and affiliation: Jessica Duggan / U.S.

Environmental Protection ,,- Agency Region 6 - Enforcement & Compliance Assurance Division INSPECTION REPORT Inspection Date(s): Media Program : Regulatory Program(s) 07/24/2025 Toxic Substances Control Act (TSCA) New and Existing Chemicals (NEC) Program, also known as "Core TSCA" Company Name: Facility Name: Facility Physical Location: (city, state, zip code) Mailing address: (city, state, zip code) County/Parish: Facility Phone Number Facility Contact: Exfluor Research Corporation Exfluor Research Corporation 2350 Double Creek Drive Round Rock, TX, 78664 Same Same Williamson (512) 310-9044 Eric Bierschenk (512) 310-9044 Head of Engineering FRS Number: Identification/Permit Number: Media Identifier Number: NAICS: SIC: 110017613322 N/A N/A 325998 - All other miscellaneous chemical product & preparation manufacturing N/A Personnel participating in inspection: David Riley US EPA Region 6 (ECDST) Tim Juhlke Exfluor Research Corporation Tyson Railey Exfluor Research Corporation Tom Bierschenk Exfluor Research Corporation Tyler King Exfluor Research Corporation Han-Chao Wei Exfluor Research Corporation Eric Bierschenk Exfluor Research Corporation Kurt Jacquin Exfluor Research Corporation Dawn Ulbricht Exfluor Research Corporation Inspector Vice President Head of Sales & Marketing Vice President Senior Research Chemist Head of Research & Development Head of Engineering Environmental, Health, & Safety Manager Head of Quality EPA Lead Inspector Signature/Date r)J!

., Environmental Protection , Agency Region 6 - Enforcement & Compliance Assurance Division INSPECTION REPORT Inspection Date(s): Media Program: Regulatory Program(s) 03/28/2024 Toxic Substances Control Act (TSCA) New and Existing Chemicals (NEC) Program, also known as "Core TSCA" Company Name: Facility Name: Facility Physical Location: (city, state, zip code) Mailing address: (city, state, zip code) County/Parish: Facility Phone Number Facility Contact: SACHEM Incorporated SACHEM Cleburne 2311 Pipeline Road Cleburne, TX 76033 Same Same Johnson County (817) 202-3200 Katrice Harris 817-202-3228 (817) 202-3228 HSE Manager FRS Number: Identification/Permit Number: Media Identifier Number: NAICS: SIC: 110063183193 N/A N/A 325199 -All other basic organic chemical manufacturing N/A Personnel participating in inspection: David Riley US EPA Region 6 (ECDST) Katrice Harris SACHEM Inc Tom Mooney SACHEM Inc Uchenna Okpara SACHEM Inc Casey Tackett SACHEM Inc Paul Kamprath (online) SACHEM Inc Richard Engler (online) Bergeson & Campbell Inspector HSE Director EVP, HSSEE & Quality HSE Engineer Operations Manager VP, Global Supply Chain Scientist (Consultant for SACHEM) EPA Lead Inspector Signature/Date ?

This was an EPA lead inspection. 8) Facility Description Company and Facility Overview: SABIC, a public company based in Riyadh, Saudi Arabia, operates through three Strategic Business Units: Petrochemicals, Agri-Nutrients, and Specialties.

Thelma generally alleged that (1) ARCO and the other defendants knew that Donald was being exposed to airborne asbestos fibers at ARCO's plant; (2) the defendants knew that asbestos caused respiratory illnesses, including asbestosis and mesothelioma; (3) the defendants failed to warn Donald about the risks of asbestos exposure or to protect him from it, and (4) Donald's exposure to asbestos at ARCO's plant caused him to develop mesothelioma, leading to his death.

Chester, PA 19013 39.840401 Delaware County Longitude: -75.372368 AFS Number: Permit Number: NAICS Code: Unique Project #: 42-045-00028 23-00016 325180 3E22CA031A SIC: 2819 Facility Representatives: Point of Contact Deric Edwards, Plant Manager Phone: (610) 447-3934 Contact: Deric.Edwards@pqcorp.com Joseph Lala, Senior HSE Specialist Phone: (610) 447-3933 Contact: Joe.Lala@pqcorp.com Bill Clauhs, Americas Silicate Operations Director Phone: (610) 235-9338 Contact: William.Clauhs@pqcorp.com EPA Inspectors: Erin Willard, Clean Air Inspector Phone: 215-814-2152 Contact: Isabella Powers, Clean Air Inspector Phone: 215-814-2110 Contact: Willard.Erin@epa.gov Powers.Isabella@epa.gov State/Local Inspectors: Heather Henry, PADEP Inspector Phone: 484-877-6092 ERIN Contact: HeHenry@pa.gov Digitally signed by ERIN WILLARD EPA Lead Inspector WILLARD Date: 2022.01.25 15:18:41 -05'00' Signature Erin Willard 1650 Arch Street (3ED21) Philadelphia, PA 19103-2029 Digitally signed by KRISTEN KRISTEN HALL Supervisor HALL Date: 2022.01.25 15:00:08 -05'00' Signature Kristen Hall Table of Contents Date Date Section Page I Introduction............................................................................ 3 A Summary of the Facility.................................................................................. 3 B Inspection Opening Conference...................................................................... 4 II Site Activity/Process Information.................................................................... 4 III Observations.................................................................................................... 6 IIII Records Review............................................................................................... 9 V Closing Conference......................................................................................... 12 VI List of Attachments.......................................................................................... 13 Unique Project #: 3E22CA031A Page 2 of 13 I.

The MDNR report was not available for review at the time of this report writing. 2.0 PARTICIPANTS Safety-Kleen Robert Dunn, Branch Manager Mori Sorenson, Vice President Environmental Compliance (exit conference) Missouri Department of Natural Resources Brandon Backus, Environmental Specialist Tyler Rowden, Environmental Specialist Brian Agenbroad, Environmental Specialist Environmental Protection Agency Region 7 Kenneth Herstowski, Environmental Engineer, ECAD/CB/RCRA (Lead Inspector) INSPECTION PROCEDURES Prior to arriving at Safety-Kleen, I rallied with Messrs.

Evans City, PA 16033 40.804184 Butler County Longitude: -80.085323 PA000510553 10-00284 562212 ECAD-56 SIC: 4953 Facility Representatives*: Point of Contact Elizabet Bertha, EHS Director Phone: 724-816-6149 Email: ebertha@senecalandfill.com David Smith, General Manager Phone: 724-816-4757 Email: dsmith@senecalandfill.com Nick Krause, EHS Specialist Phone: 724-316-4850 Email: nkrause@senecalandfill.com *Additional facility representatives identified in report body and/or on attached sign in sheet EPA Inspectors: Alex Everhart, Environmental Scientist, 3ED21 Phone: 215-814-2114 Email: Everhart.Alex@epa.gov Parmatma, Adhikari, 3ED21 Phone: 215-814-2161 Email: Adhikari.Parmatma@epa.gov State/Local Inspectors: Nicholas Hall, Air Quality Inspector Phone: 814-651-1819 Email: nichall@pa.gov Alexandra Paullet, Air Quality inspector Phone: 814-282-8210 Email: apaullet@pa.gov DSB ID #: ECAD-56 EPA Lead Inspector Signature Supervisor Signature ALEX EVERHART Digitally signed by ALEX EVERHART Date: 2024.06.10 12:19:38 -04'00' Alex Everhart 1600 John F Kennedy Blvd Philadelphia, PA 19103-2852 KRISTEN HALL Digitally signed by KRISTEN HALL Date: 2024.06.11 06:23:28 -04'00' Kristen Hall Date Date 2 DSB ID #: ECAD-56 Table of Contents I.