UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION 4 SAM NUNN ATLANTA FEDERAL CENTER 61 FORSYTH STREET, SW ATLANTA, GEORGIA 30303-8960 ELECTRONIC MAIL CONFIRMATION OF EMAIL RECEIPT REQUESTED Mr.

U.S.

PFAS Study in Chemical Plants and Refineries Equipment France Final Report July 2023 > FRANCE CL nergies accenture oe:11~1~ 1= et mo1Jilits Table of Contents 01 Executive Summary 02 Scope and methodology 0 3 Overview of PFAS 0 4 Impact analysis of PFAS partial or total ban 0 5 PFAS usage in Chemical and Refining plants 0 6 PFAS alternatives 07 Conclusion Executive Summary (1/4) PFAS are a large group of substances, both polymeric and non-polymeric, containing carbon-fluorine bonds (C-F) which is considered to be the strongest in organic chemistry, resisting heavily to degradation OECD lists around 5 0 0 0 * PFAS which are scientifically referenced by their chemical structure category name (e.g., polytetrafluoroethylene), but better known by industrials by their abbreviations (e.g., PTFE) or brand name (e.g., Teflon) While encompassing a very diverse portfolio of products, PFAS are predominantly used as raw material in chemical synthesis and are mainly found in solid form in equipment.

This was an EPA-lead inspection.

Washington-East Washington Joint Authority (PA0026212) Pretreatment Compliance Inspection Report Title: Inspection Date(s): Regulatory Program(s): Type of Activity: Facility Name: Facility Address: Facility Latitude: Facility Longitude: County/Parish: Permit No: NAICS Code: SIC: DSB ID: Clean Water Act Compliance Inspection Report July 31 - August 1, 2024 National Pollutant Discharge Elimination System Pretreatment Compliance Inspection Washington-East Washington Joint Authority 2 Wilson Avenue, Washington, PA 15301 40.18192 -80.24833 Washington County PA0026212 221320 4952 ECAD-440 (NPDES) Facility Representatives: Robert Herring, Executive Director Email: RHerring@wewja.org Michael Sherrieb, Operations Manager Email: MSherrieb@wewja.org Brian McKnight Email: plantsuper@wewja.org Point of Contact Inspectors: Chuck Durham, Eastern Research Group Email: chuck.durham@erg.com Yatasha Moore, Eastern Research Group Email: yatasha.moore@erg.com (List of additional attendees in Table 1) Report Preparer Signature/Date Supervisor Signature/Date Yatasha Moore, Eastern Research Group JESSICA Digitally signed by JESSICA DUFFY DUFFY Date: 2024.10.04 09:48:18 -04'00' Jessica Duffy, NPDES 2 Section Chief 10/03/2024 Date Date DSB ID: ECAD-440 Washington-East Washington Joint Authority (PA0026212) Pretreatment Compliance Inspection Enforcement and Compliance Assurance Division Attachments Attachment A Industrial User Site Visit Data Sheets Attachment B Industrial User Site Visit Photograph Log DSB ID: ECAD-440 Inspection Dates: July 31 - August 1, 2024 Page 2 of 29 Washington-East Washington Joint Authority (PA0026212) Pretreatment Compliance Inspection I.

July 1, 2025 Tuesday All Day (b) (6), (b) (7)(C) 9:00 AM - 9:30 AM 10:00 AM - 10:30 AM 11:00 AM - 11:30 AM S1-Schedule Document 10 (b) (6), (b) (7)(C) for HQ Manifest: S1 Drive Time: (b) (6), (b) (7)(C) Call with Dr.

Position of Hamilton Bonaduz AG, Business Unit Process Analytics on the draft for a restriction of PFASs Content 1 Summary ......................................................................................................................................... 2 2 Background...................................................................................................................................... 3 3 Chronology of the restricon .......................................................................................................... 5 3.1 PFOS......................................................................................................................................... 5 3.2 PFOA ........................................................................................................................................ 5 3.3 PFHxS ....................................................................................................................................... 5 3.4 PFAS ......................................................................................................................................... 5 4 PFAS in PharmaTech and Equipment of Sophiscated Chemical Analycs ..................................... 7 5 Content of the dra Restricon..................................................................................................... 11 6 Full ban .......................................................................................................................................... 12 7 Posions of Hamilton Bonaduz AG, Business Unit Process Analycs ........................................... 13 7.1 Role of PharmaTech and Sophiscated Laboratory Analycs in the Restricon Dra .......... 13 7.2 Abandonment of ,,essenal use" and specific risk assessment ............................................ 13 7.3 Fluoropolymere ,,of low concern" ......................................................................................... 14 7.4 Missing alternaves............................................................................................................... 16 7.5 Impact on PharmaTech and Equipment for Sophiscated Chemical Analycs ..................... 17 7.6 Emissions and emission prevenon ...................................................................................... 18 7.7 Assessments from outside the EU......................................................................................... 19 8 Literature reference....................................................................................................................... 21 12.

RCRA Compliance Inspection Report Pacific Propeller Intl LLC Kent, WA WAD002788412 June 27, 2024 ________________________________ Kyle Masters RCRA Inspector-in-Training U.S.

Published on 04 October 2021.

SUGARLOAF TOWNSHIP MUNICIPAL SEPARATE STORM SEWER SYSTEM (MS4) PROGRAM INSPECTION REPORT Sugarloaf Township - 858 Main Street, Sugarloaf, PA 18249 Inspection Date: December 13, 2024 Report Date: January 24, 2025 ECAD ID Number: ECAD-6112 Standard Industrial Classification (SIC) Code: 4952 - Sewerage Systems North American Industry Classification System (NAICS) Code: 221320 - Sewage Treatment Facilities U.S.

PFOS and PFOA Conversion to Short-Chain PFAS-Containing Materials Used in Semiconductor Manufacturing Semiconductor PFAS Consortium Photolithography Working Group June 5, 2023 Acknowledgments: The PFAS Consortium would like to acknowledge the contributions of the Semiconductor PFAS Consortium Photolithography Technical Working Group for their efforts to compile this information.

CWA COMPLIANCE EVALUATION INSPECTION REPORT U.S.

This was an EPA lead inspection. 8) Facility Description MCLB is a 3,323-acre logistics base for the Fleet Marine Forces and other military customers, located in Albany, Georgia.

This was an EPA lead inspection. 8) Previous Inspection History On August 10, 2020, NCDEQ conducted the most recent RCRA CEI at the subject facility and found apparent violations of RCRA's requirements for making an accurate hazardous waste determination, managing containers of hazardous waste and managing universal waste.

This was an EPA lead inspection. 8) Facility Description Janssen Pharmaceuticals, Inc.