Australian Government Departmen( of Industry, Innovation and Science Nal Measurement Institute Proficiency Test Report AQA 16-06 PFOS/PFOA IN FISH, SOIL AND WATER 6 US00002590 US00002591 ACKNOWLEDGMENTS This study was conducted by the National Measurement Institute (NMI).

From: To: Sent: Subject: Attachments: Hunstad, Mary P CIV NAVSEA HQ, SEA 05 Fletcher, Steven G CIV NAVSEA HQ, SEA 05; Berkoski, Daniel T CIV NAVSEA, SEA 05 2/8/2017 6:13:15 PM RE: Updated GAO Answers GAO 100947 - AFFF Questions Rev1 sgf (3)JLW Mary.docx My changes.

Withheld in Entirety US00005038

From: To: CC: Sent: Subject: Attachments: Hunstad, Mary P CIV NAVSEA HQ, SEA 05 Cosgrove, Michael P.

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.

f/ITSDR AGENCY TCP " C'X:C SUBSTANC a?

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.

ence& ecnnoogy Article pubs.acs.org/est Persistence of Perfluoroalkyl Acid Precursors in AFFF-Impacted Groundwater and Soil Erika F.

TForo: m: CC: SSeunbtje: ct: Attachments: Ronald S.

Activities on Perfluorinated Chemicals (PFCs) Jim Willis U.S.

From: To: CC: Sent: Subject: Attachments: Satterfield, David B CIV SEA 05P14 Hunstad, Mary P CIV NAVSEA HQ, SEA 05; Barylski, Douglas J CIV NAVSEA HQ, SEA 05; Fred (NRL6180) Williams (fwilliam@ccs.nrl.navy.mil); John (NRL6108.4) Farley (farley@ccs.nrl.navy.mil) Joe (HAI) Scheffey (joe@haifire.com); McGraw, Peter S CIV NAVSEA 05; Lyons, Ken T CIV NAVSEA HQ, SEA 05; Roche, Joseph M CIV NSWCCD Philadelphia, 6680; Hampson, Mark T CIV NSWCCD Philadelphia, 6680; Tweedie, Scott D CIV NSWCCD Philadelphia, 6680 10/2/2008 11:39:06 AM FW: Phase-Out of Perfluorooctanoic Acid (PFOA) - USD-AT&L Memo Aug 7, 2008 PFOA Memo from IE Aug-7-08.pdf Mary/Doug, Presume you saw this.

DEPARTMENT OF DEFENSE INFORMATION PAPER SERVICE/AGENCY: U S NAVY SUBJECT: NRL RESPONSE TO 19392C4 - FIREFIGHTING FOAM INQUIRY DATE: 24 September 2014 REQUEST: In response to brief on 18 Sept., Rep Rogers's office requests an info paper to discuss: 1.

From: To: CC: Sent: Subject: Attachments: Hunstad, Mary P CIV NAVSEA HQ, SEA 05 Tom Cortina Fletcher, Steven G CIV NAVSEA HQ, SEA 05; Berkoski, Daniel T CIV NAVSEA, SEA 05 1/11/2017 5:36:33 PM FW: EU PFOA Regulations rest_pfoa_compiled_opinions_en[1].pdf Tom - is this still the latest documentation from the EU, or is there something more recent?

APPLIED M A T E R I A L S ^ INTERFACES www.acsami.org Silica Foams for Fire Prevention and Firefighting j. j.