GAO Review of DOD Drinking Water Contaminants (code 100947) Follow-up Questions for the Department of the Navy Note: These questions are addressed to the Department of the Navy, to answer on behalf of both the Navy and the Marine Corps.

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From: To: CC: Sent: Subject: Attachments: Fletcher, Steven G CIV NAVSEA HQ, SEA 05 Hunstad, Mary P CIV NAVSEA HQ, SEA 05; Smith, Gordon CIV SEA 05 Berkoski, Daniel T CIV NAVSEA, SEA 05 7/12/2016 5:42:57 PM RE: PFOS/PFOA warnings Australia Military AFFF Health Hazards.pdf Mary, The following is what I have that directly related to exposure to PFCs in AFFF.

Summary of Projects & Activities under SERDP & ESTCP Addressing Issues Associated with Per- and Polyfluorinated Alkyl Substances (PFASs) The first two links below provide a summary as of April 2016 of the research and demonstrations funded by SERDP & ESTCP addressing issues associated with perfluoroalkyl compounds.

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Supporting European Sustainability and Competitiveness: An Alternative Approach to the Proposed EU Restriction on PFAS (F-Gases) September 2023 Introduction In February 2023, authorities in Denmark, Germany, the Netherlands, Norway, and Sweden submitted a proposal to the European Chemicals Agency (ECHA) that calls for a complete phase-out of the manufacture, import, sale, and use of per- and polyfluorinated substances (commonly known as PFAS).