NEICVP1536E01 NEIC CIVIL INVESTIGATION REPORT Cardinal Power Plant Brilliant, Ohio 43913 Investigation Dates: August 14-18, 2023 MICHAEL LUKOWICH Digitally signed by MICHAEL LUKOWICH Date: 2023.10.17 11:03:23 -06'00' Mike Lukowich, Project Manager, NEIC Authorized for Release by: MICHAE MICHAEL ROACH Digitally signed by L ROACH 11:52:47 -06'00' Date: 2023.10.17 Michael Roach, Acting Field Branch Manager, NEIC Report Prepared for: EPA Region 5 77 West Jackson Boulevard Chicago, Illinois 60604 NATIONAL ENFORCEMENT INVESTIGATIONS CENTER P.O.

Pretreatment Compliance Audit Summary Report Discharger: Location: Contacts: Audit Dates: Audited By: Kent County Regional Wastewater Treatment Plant Kent County NPDES No.

Two past facility practices lead to current waste storage/management issues: o 1) bulk wastes, including hazardous wastes, were not managed as hazardous or properly disposed.

Jim Laird, Othello Public Works Lead Operator, I stated that I'd been asked to conduct an NPDES compliance inspection of the Othello STP, in coordination with Ecology.

The findings of MoDNR CEI of Plaze were: x Out of date notification information. x Incomplete hazardous waste determinations. x Missing accumulation start date on hazardous waste containers. x Satellite accumulation containers not closed. x Satellite accumulation containers not labeled. x Personnel training. x Contingency plan content and distribution. 2.0 PARTICIPANTS Plaze Adam Micich, Environmental Health and Safety Manager David Schuenemeyer, Chemical Handler Jeff Ulrich, Plant Manager Gary Myers, Hazardous Chemicals Manager Jessica Nolan, Senior Vice-President and General Counsel (exit conference) Tariq Beazer, Senior Environmental Health and Safety Manager (exit conference) Lucas Huston, Production Manager (exit conference) MoDNR Brandon Backus, Environmental Program Manager Cody Fanter, Environmental Program Analyst Environmental Protection Agency Region 7 Kenneth Herstowski, Environmental Engineer, ECAD/CB/RCRA (Lead Inspector) 3.0 INSPECTION PROCEDURES Prior to arriving at Plaze, I rallied with Messrs.

Lead Inspector: Annette Maxwell, U.S.

McPherson EPA Region 6 ECDAE Life Scientist Daniel Heins EPA OECA AED Environmental Engineer Bailey Brown EPA Region 6 ECDAE Physical Scientist Dominique Eades EPA Region 6 ECDAE Physical Scientist Bill Ramsey Tap Rock Resources Senior Environmental and Regulatory Specialist Brett Willmon Tap Rock Resources Production Foreman Columbus Baham Tap Rock Resources Operations Chris Martinez CDH Consulting Senior Environmental Engineer - Consultant EPA Lead Inspector Signature/Date KENNETH MCPHERSON Date: 2024.05.31 14:08:05 -05'00' Digitally signed by KENNETH MCPHERSON Kenneth R.

EPA/6ECD-WM Magda Vargas EPA/6ECD-WR Mariela Reyna EPA/6EN-WR Nafis Fuad NMED/SWQB James Andel NMED/SWQB Jeffrey Gatewood City of Belen Benjamin Morales City of Belen John Ivey City of Belen Title Engineer/Lead Inspector Inspector Inspector Inspector/Supervisor Inspector Wastewater Plant Superintendent Wastewater Plant Chief Operator Wastewater Laboratory Technician EPA Lead Inspector Signature/Date Amy Andrews Date Supervisor Signature/Date Roberto Bernier Date 6ENFORM-019-R8.2 (02/12/2020) 1 Section I - INTRODUCTION City of Belen Wastewater Treatment Plant Inspection Date 1/17/2024 PURPOSE OF THE INSPECTION Environmental Protection Agency (EPA) Region 6 inspector Amy Andrews and New Mexico Environment Department (NMED) inspectors Nafis Fuad and James Andel arrived at the City of Belen Wastewater Treatment Plant (WWTP) at 8:05 AM on January 17, 2024, for an unannounced inspection.

EPA David Stacy Eastman Chemical Company Jamie Robertson Eastman Chemical Company Chris Bieber Eastman Chemical Company Winston Bolton Eastman Chemical Company Danny King Eastman Chemical Company Shannon Hughes Eastman Chemical Company Jimmy Sullivan Eastman Chemical Company Patti Long Eastman Chemical Company David Gibson Eastman Chemical Company Jim Green Eastman Chemical Company Ryan Nunley Eastman Chemical Company Inspector/Enforcement Officer Technical Safety Services Manager Compliance Assistant Engineer Work Execution Coordinator Compliance Technician Team Manager Engineering Associate Engineering Associate ERG/FLIR Camera Operator Manager Plant Protection Area Manager Tyler Terminal EPA Lead Inspector Signature/Date ANTHONY ROBLEDO Digitally signed by ANTHONY ROBLEDO DN: c=US, o=U.S.

UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION 5 77 WEST JACKSON BOULEVARD CHICAGO, ILLINOIS 60604 DATE: SUBJECT: FROM: THRU: TO: See Date of Section Chief Signature Below CLEAN AIR ACT INSPECTION REPORT J.B.

PSM Engineer Environmental Engineer Vice President of HSSE Vice President of Production Baker Botts - Counsel Baker Botts - Counsel EPA Lead Inspector Signature/Date Deer Park Refining, LP Inspection Date: January 6 -10, 2025 Howard Cole Digitally signed by Howard Cole Date: 2025.08.27 11:15:42 -05'00' Howard Cole Date Supervisor Signature/Date Digitally signed by KAYLA KAYLA BUCHANAN BUCHANAN Date: 2025.08.27 13:41:35 -05'00' Kayla Buchanan Date 6ENFORM-019-R8.2 (02/12/2020) 1 Section I - INTRODUCTION PURPOSE OF THE INSPECTION United States Environmental Protection Agency (EPA) Region 6 inspectors Howard Cole (I), Aimee Boss, and Charese Simpson, (we) arrived at the Deer Park Refining, LP (DPR) facility at 9:30 AM on Monday January 6, 2025, for an announced inspection.

== A r 51A 1 == ome o.servations or consi.eration on parts o t e summary reports == Do ument == Til: restrictiePFAS ( E7 ), DE ( El ( El ) Cc: Toke Winther (M@mst.dk), P1 ( El ), ' P2 ' ( E2 ) Fra: P3 P4 ( E3 ) Titel: Some observations for consideration on parts of the summary reports Sendt: 25-10-2021 10:16 Bilag: Some observations for consideration on parts of the report summaries.pdf; Chemours APM Segment Submission to the 2nd Call for Evidence Oct. 14, 2021.pdf; Dear Mr P7 , Mr, P5 On behalf of Chemours' Advanced Performance Materials business, we would like to thank you for the opportunity to submit additional information in addition to the our response to the 2nd Call for Evidence, as submitted on October 14.

This study evaluates and discusses the merits of the leading options for air-conditioning and refrigeration systems.

EPA REGION 2 CARIBBEAN ENVIRONMENTAL PROTECTION DIVISION October 17, 2024 Via Electornic Mail Mr.

Attendees Title/Organization Name Phone Lead Inspector/ Dedriel Enforcement Gardner Officer/EPA Region 6 Environmental Investigator/Texas Commission on Environmental Quality (TCEQ), Region 15 Harlingen Matthew Briseo - 8/19/24 only Intern/Texas Commission on Environmental Quality (TCEQ), Region 15 Harlingen Sebastian J.