Fluorotelomer and ECF Products : Different Chemistry Fluorotelomers (Telomerization) CF2=CF2 I (TFE) F(CF2)nl Perfluoroalkyl Iodide n = 6,8,10,12, even F(CF2)nCH2CH2l Fluorotelomer Iodide ----- F (C F 2) nC H 2C H 2S 0 3X : F T S u lfo n a te AFFF Surfactant Products F(CF2)nCH2CH2OH | Fluorotelomer Alcohol ECF (Electrochemical Fluorination) H(CH2)nSH 'r F(CF2)nS 0 2F F(CF2)nS 0 3X PFOS n = 8; PFHXS n = 6 ' r PFBS n = 4 F(CF2)nS 0 2N(R)CH2CH20H Perfluoroalkyl sulfonamido ethanol ir Sales Products Sales Products Even number, straight chains, No Branching Polymers n> 8 ; Surfactants n=6 primarily ECF produced materials have up to 30% branched isomers at the fluorinated chain end and contain odd and even carbon chain lengths US00005803

From: To: Sent: Subject: Attachments: Hunstad, Mary P CIV NAVSEA HQ, SEA 05 Slater, James G CIV NAVSEA, SEA 00D; O'Connor, Rory CIV NAVSEA, SEA 00D 6/15/2016 8:17:40 PM FW: Final, DASN (E) approved, FAQs related to PFC/PFAS 16-06-15, DON FAQs for PFC-PFAS Final.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......

From: To: CC: 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 12/15/2016 5:59:10 PM RE: GAO 100947 FOLLOW-UP DRINKING WATER GAO 100947 FOLLOW-UP QUESTIONS rev4.docx See attachment for additional edits. v/r, Steve Fletcher, P.E.

National Measurement Institute Proficiency Test Report AQA 16-06 PFOS/PFOA IN FISH, SOIL AND WATER o US00007143 US00007144 ACKNOWLEDGMENTS This study was conducted by the National Measurement Institute (NMI).

STForeo:nmt:: AStutbajcehcmt:ents: Tom Cortina <cortinaec@comcast.net> Fletcher, Steven G CIV NAVSEA HQ, SEA 05 <steven.g.fletcher@navy.mil> 4/13/2016 5:30:00 PM [Non-DoD Source] Re: PFOA Chemicals 2015-00636.pdf; Pages from rest_pfoa_compiled_opinions_en[1].pdf Steve, Attached is an excerpt from the European proposal.

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.

DEVELOPMENT PLAN For Aqueous Film Forming Foam (AFFF) Alternative January 2001 US00008053 PURPOSE Developmental Plans (DPs) are an integral part of the NAVAIR Environmental, Safety and Health (ESII) Strategic Plan, The purpose o f a DP is to communicate and document a course of action in resolving an issue.

DEPARTMENT OF THE NAVY NAVAL RESEARCH LABORATORY W A S H IN G T O N , D.C. 20375 IN R E P L Y R E F E R T O : 6180-373:JTL:ara NRL Prob.

61 t*" 11 i * L' u i J V], i v, i u 3 0 NOV 1903 11ru.

Sent: Ce: Attachments: Signed By: Tuesday, April 05, 2016 12:49 PM Berkoski, Daniel T CIV NAVSEA, SEA 05 20150403_105758.jpg; 20150403_105815.jpg steven.g.fletcher@navy.mil Jim, Here are the pictures of the PFOS AFFF (3M) that I found on a ship last year, v/r, Steve Fletcher, P.E.

SOLBEIG SAFETY DATA SHEET- ARCTICTM U.S.

Document # List of Changes No.

Perfluorooctane Sulfonate: Current Summary of Human Sera, Health and Toxicology Data 3M January 21,1999 000014: US00001667 January 21, 1999 TABLE OF CONTENTS EXECUTIVE SUMMARY...................................................................................................................................3 I.

F rom : To: Sent: Subject: Attachm ents: 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) 11/1/2016 4:30:07 PM AFFF Health Studies AFFF HAA2006.pdf; NEHC AFFF Health hazard assessment 2006.PDF v/ r, Steve Fletcher, P.E.

From: To: Sent: Subject: Attachments: Toncray Bradley A NNVA Bennett David C NNVA; Chapman Keith D NNVA; Hancock Donald L NNVA; Lowe Donald J NNVA; Geithmann Gary R CONT NNVA; Carty Jeffrey L NNVA; Earehart James NNVA; Korzun Joel A NNVA; Kelly Art G NNVA; Yarashus Thomas R NNVA; Wood Leesa M NNVA 3/9/2001 2:20:08 PM FW: Ban on AFFF Jeff F-1.TIF ......