This was an EPA lead inspection. 8) Facility Description Sheboygan Paint Company (known hereinafter as "Sheboygan" or "the facility") was founded in 1921 according to their website.

PROJECT TEAM MEMBERS Organization NEIC NEIC NEIC NEIC NEIC NEIC NEIC NEIC REGIONAL AND OTHER CONTACTS Kentucky Department for Environmental Protection (KY-DEP) EPA-OCE-WED EPA Region 4 EPA Region 4 KY-DEP EPA-OCE-WCED Project Role Project manager (PM) Field team - CWA inspector Field team - RCRA team lead and inspector Field team - CWA inspector Field team - RCRA inspector Analytical project manager (APM) Laboratory analyst Laboratory analyst RCRA team member CWA team member RCRA team member CWA team member RCRA team member RCRA team member NEICVP1508E01 Page 4 of 46 Calgon Carbon - Big Sandy Plant Catlettsburg, Kentucky ENFORCEMENT CONFIDENTIAL Figure 1 FACILITY CONTACT INFORMATION Table 2 lists the primary facility contacts.

This was an EPA lead inspection. 8) Facility Description Cymer Chemicals manufactures specialty chemicals for customers worldwide and operates two plants in Tennessee.

Pretreatment Audit Report City of La Junta CO-0021261 La Junta, Colorado March 22, 2021 to March 24, 2021 Prepared by: Al Garcia, Pretreatment Coordinator U.S.

Pretreatment Compliance Audit Summary Report Discharger: Location: Contact: Audit Dates: Audited By: City of Beacon Wastewater Treatment Facility Dutchess County SPDES No.

Mancil Alliance TG Ben Rosenthal EPA R6 James Haynes EPA R6 Collen McCarthy EPA R6 Ben Donaldson EPA R6 Constantinos Loukeris EPA R5 Matthew Schneider EPA NEIC Brianna Leiker EPA NEIC Hans Buenning EPA NEIC Andrew Mills LDEQ Laura Bruchhaus LDEQ Environmental Advisor Operator Environmental Manager Senior Environmental Advisor WW OED OED POM Supervisor BWON Supervisor QAQC/HSE Technician Physical Scientist Physical Scientist Physical Scientist Environmental Engineer Environmental Engineer Chemical Engineer Environmental Engineer Environmental Engineer Environmental Scientist Environmental Scientist 6ENFORM-019-R8.2 (02/12/2020) 1 EPA Inspection Report - 2 of 57 EPA Lead Inspector Signature/Date Supervisor Signature/Date Citgo Petroleum Corp / Lake Charles Manufacturing Complex Inspection Date 12/04/2023-12/07/2023 Digitally signed by BENJAMIN BENJAMIN ROSENTHAL ROSENTHAL Date: 2024.03.18 12:43:28 -05'00' Benjamin Rosenthal Date JAMES LEATHERS Date: 2024.03.18 12:53:27 -05'00' Digitally signed by JAMES LEATHERS James Leathers Date 2 EPA Inspection Report - 3 of 57 Section I - INTRODUCTION Citgo Petroleum Corp / Lake Charles Manufacturing Complex Inspection Date 12/04/2023-12/07/2023 PURPOSE OF THE INSPECTION EPA Region 6 inspectors Ben Rosenthal, Colleen McCarthy, James Haynes, and Ben Donaldson, National Enforcement Investigations Center ("NEIC") inspectors Matthew Schneider, Brianna Leiker, and Hans Buenning, and Region 5 inspector Constantinos Loukeris arrived at the Citgo Corp ("Citgo") Lake Charles Manufacturing Complex ("Site", "Refinery", "Facility") at 8:05 am on December 4, 2023, for an announced Clean Air Act ("CAA") inspection.

The C-F bonds in PFAS lead to very stable substances, a feature that also makes the terminal transformation products of PFAS very persistent in the environment.

The C-F bonds in PFAS lead to very stable substances, a feature that also makes the terminal transformation products of PFAS very persistent in the environment.

Aktdetaljer Akttitel: Re: APPLiA contribution to the Call-forEvidence on PFAS Aktnummer: 190 Sagsnummer: 2020 - 15422 Akt-ID: 3898602 Dato: 18-10-2021 12:51:55 Type: Indgende Dokumenter: [1] Re APPLiA contribution to the Call-for-Evidence on PFAS.eml [2] APPLiA comment paper_ss airconditioners_28-01-2021.pdf [3] fpren50625-1-general-treatment-standard.pdf (MEDTAGES IKKE) [4] GEN - 1273.01 - Excerpt Price monitoring Q1-2021.pdf (MEDTAGES IKKE) [5] APPLiA comment paper_PFAS_F-Gases Summary Report_15-102021.pdf Den 12. juli 2024 Til: P1 El ), restrictiePFAS E7 ), P2 E2 ), P3 E3 ), DE ( El El ), P4 E4 ), Toke Winther (M@mst.dk), E5 E5 Fra: P5 E6 Titel: Re: APPLiA contribution to the Call-for-Evidence on PFAS Sendt: 18-10-2021 12:51 Bilag: APPLiA comment paper_ss airconditioners_28-01-2021.pdf; fpren50625-1-general-treatment-standard.pdf; GEN - 1273.01 - Excerpt Price monitoring Q1-2021.pdf; APPLiA comment paper_PFAS_F-Gases Summary Report_15-10-2021.pdf; Dear, As complementary information to my previous email sent to you on Friday 15 October, please find attached accompanying documents that provide further and detailed information to take into consideration while reading our comment paper.

April 27, 2026 TRANSMITTED VIA EMAIL The Honorable Ernest E.

VIA ELECTRONIC MAIL Pat Boyle City of Baltimore, Maryland 8201 Eastern Avenue Baltimore, MD 21224 pat.boyle@baltimorecity.gov Re: City of Baltimore, Maryland Pretreatment Compliance Audit Dear Pat Boyle: Thank you for your cooperation and participation during the Pretreatment Compliance Audit (PCA) conducted on May 8 and 9, 2024.

Pretreatment Compliance Audit Summary Report Discharger: Location: Contact: Audit Dates: Audited By: City of Beacon Wastewater Treatment Facility Dutchess County SPDES No.

This was an EPA lead inspection. 8) Previous Inspection History NCSU - Main Campus was inspected by the EPA and NCDEQ on June 20, 2019 and January 13, 2020.

Environmental Protection Agency Office of Compliance and Enforcement 1200 Pennsylvania Avenue, NW Washington, DC 20460 CHEMOURS FIRST CHEMICAL CORPORATION CLEAN WATER ACT (CWA) INSPECTION AND SAMPLING Pascagoula, Mississippi Report Date: January 9, 2020 (Revised 1/5/2023) Inspection and Sampling Activities: November 19 - 21, 2019 Chemours First Chemical Corporation CWA Inspection and Sampling Inspection and Sampling Dates: November 19 - 21, 2019 Signature Page Michelle Spiezio Date: 2023.02.02 13:52:49 -05'00' Digitally signed by Michelle Spiezio Michelle Spiezio, ERG (EPA Contractor), Lead Inspector Date BENJAMIN BAHK Date: 2023.02.03 10:15:12 -05'00' Digitally signed by BENJAMIN BAHK Benjamin Bahk, U.S.

For EPA - ERG Lead Inspector Signature/Date EPA Section Supervisor Signature/Date [REDACTED]/Reliability Manager [REDACTED]/Staff Reliability Engineer [REDACTED]/Instrumentation, Analyzer, Electrical, and Control (IAED) Reliability Manger [REDACTED]/Maintenance Director [REDACTED]/Human Resources (HR) Administrator [REDACTED]/Technical Trainer [REDACTED]/Senior Safety Engineer [REDACTED]/Emergency Response Superintendent [REDACTED]/Safety [REDACTED]/Vice President (VP) and General Manager Brook McKeown Digitally signed by Brook McKeown Date: 2026.03.05 10:27:38 -05'00' Brook McKeown, ERG Date KAYLA Digitally signed by KAYLA BUCHANAN BUCHANAN 09:31:24 -06'00' Date: 2026.03.05 Kayla Buchanan Date 2 FACILITY/PROCESS DESCRIPTION The Valero Ardmore Refinery (the Facility, or the refinery) is located in Ardmore, Carter County, Oklahoma.