NAVAL RESEARCH LABORATORY W ASHING TO N, D.C. 20375 6180-525 IEB?

NAVAL RESEARCH LABORATORY W A SH IN G TO N , D.C. 20375 in r e p l y refer t o : 6l80-339:HBP:bh t S ^ 9 .9 9 From: To: Director, Naval Research Laboratory, Washington, D.

chemicalwatch.com Date: 15.12.2016 Page: Circulation: Type of media: Author: Section: Online ... proposed restriction on the manufacture and marketing o f perfluorooctanoic acid (PFOA)...They also agreed a sixyear transition period for its application to:...plasma nanocoatings...classified CMR [carcinogenic, mutagenic or reprotoxic] substance.

Headquarters U.S.

From: To: Sent: Subject: Attachments: Fletcher, Steven G CIV NAVSEA HQ, SEA 05 Berkoski, Daniel T CIV NAVSEA, SEA 05; Hunstad, Mary P CIV NAVSEA HQ, SEA 05 (mary.hunstad@navy.mil) 4/18/2016 2:32:24 PM FW: EU PFOA Regulations rest_pfoa_compiled_opinions_en[1].pdf ......Original Message......

Last Updated: June 10, 2016 Frequently Asked Questions: Perfluorinated Compounds (PFC)/ Perfluoroalkyl Substances (PFAS) FOP II) 11 P I ) / I 1)01) IJM ONLY Approved by: D/ON(E) l US00007391 Last Updated: June 10, 2016 Contents SOURCE OF INFORMATION................................................................................................................................5 GENERAL..............................................................................................................................................................5 What is PFCorPFAS?......................................................................................................................................

From: To: CC: Sent: Subject: Attachments: Fletcher, Steven G CIV NAVSEA HQ, SEA 05 Hunstad, Mary P CIV NAVSEA HQ, SEA 05 Berkoski, Daniel T CIV NAVSEA, SEA 05 2/8/2017 12:08:38 PM FW: GAO AFFF Questions_RESPONSE GAO 100947 - AFFF Questions Rev1 sgf (2).docx Mary, Here are my proposed responses to the GAO questions.

US00002779 Public concerns over PFOS & PFOA - Need for Change Q's over alternatives: short chain C6 v F3 - Concerns and considerations : choices bring consequences - Leaching, impacts fire breakdown products, health risks - Remediation options Navigating this minefield...risks, liabilities and exposures Conclusions - potential way forward US00002780 Public Concerns lectro Chemical Fluorination (ECF) process - ceased 2002, exc )ng chain >C8 perfluorosulfonate chemicals degrade to PFOi `BT, mobile - UN Stockholm Convention POP listed PFOS 200S *FOS likely carcinogenic, transfers to unborn foetus and found in mothers milk, )lar bears & penguins!

GAO Review of DOD Drinking Water Contaminants (100947) Follow-up Questions on AFFF Products In our prior conversations with Navy officials, we have been told that DOD's AFFF MILSPEC calls for AFFF products to contain PFCs.

From: To: Sent: Subject: Attachments: Fletcher, Steven G CIV NAVSEA HQ, SEA 05 HERNANDEZ, Joel CIV NSWC Philadelphia, 315 4/28/2016 2:10:00 PM RE: New NSNs for AFFF Ansulite AFC-3MS 442707 MSDS.pdf; Ansulite AFC-3MS 442709 MSDS.pdf; Ansulite AFC-3MS 442711 MSDS.pdf; Ansulite AFC-6MS 442712 MSDS.pdf; Ansulite AFC-6MS 442714 MSDS.pdf; Ansulite AFC-6MS 442716 MSDS.pdf; Chemguard C306-MS 770809 MSDS.pdf; Chemguard C306-MS 770810 MSDS.pdf; Chemguard C306-MS 770811 MSDS.pdf; Chemguard C606-MS 770815 MSDS.pdf; Chemguard C606-MS 770816 MSDS.pdf; Chemguard C606-MS 770817 MSDS.pdf; FireAde MilSpec MSDS.pdf; Phoscheck 3% AFFF MS MSDS.pdf; S-016 SDS ARCTIC U.S.

From: To: CC: Sent: Subject: Attachments: Veronica - Hunstad, Mary P CIV NAVSEA HQ, SEA 05 Murtha, Veronica E CIV NAVSEA, SEA 00L Berkoski, Daniel T CIV NAVSEA, SEA 05; Fletcher, Steven G CIV NAVSEA HQ, SEA 05 11/9/2016 8:50:29 PM FW: AFFF 16-10-28 PFAS Vendor Notification Letter Generic Rev5 vem cmts.docx AFFF 16-10-28 PFAS Vendor Notification Letter Generic Rev5 vem mph cmts.docx v/r, Mary Hunstad TWH - Fire Protection Systems And Material Fire Performance SEA 05P5 WNYD, bldg. 197, 3W-2827 202-781-3632 ......Original Message......

B.5.1.5 Aqueous Film Forming Foam (AFFF) AFFF is a synthetic firefighting agent consisting of fluorosurfactants and/or ^Fluoroproteins|.

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.

A001198 US00006638 Author: DARWIN_ROBERT at p-05_01 Date: 10/14/97 10:23 AM Priority: Normal ^ CC: nsdsl@navtap .

Il A001194 > o o <X> US00006656 DEPARTMENT OF THE NAVY naval research laboratory 4555 OVERLOOK AVE SW WASHINGTON DC 30375-6320 IN H C f l T R f r t R TO : 3905 From: Commanding Officer, Naval Research Laboratory To: Commander, Naval Air Systems Command (Code 4.3.T Sinwell) Subj: STATUS REPORT ON THE DEVELOPMENT OF AN ENVIRONMENTALLY IMPROVED AFFF Enel: (1) Two copies of subject report 1.