Generic Perfluoroalkoxy alkanes (PFA) reprocessing (mechanical recycling) process Production PIR PFA SCRAP Sorting PFA User Re-processor Packaging Transport Cleaning Inspection definite PFA Grinding Not definite PFA NIR / black light Inspection PFA No PFA Extrusion Black Masterbatch Melt filtration Pelletizing Ok, but too dark PFA natural PFA non natural Testing Not ok PFA black Not ok Yield: ~ 70% Packaging Disposal Sales closed loop Sales to market Incineration Recycling

AR A236 3286 as DuPont 11418 AR 426-3286 TRADE SECRET Study Title H-25425: Subchronic Toxicity 90-Day Gavage Study in Rats with One-Generation Reproduction Evaluations Volume 1 of 5 Laboratory Project ID: DuPont-11418 TESTGUIDELINES: U.S.

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.

'ECHA EUROPEAN CHEMICALS AGENCY The conditions of the restriction proposed by SEAC are: Perfluorooctanoic acid (PFOA, CAS 335-67-1, 1.

fround and Needs What kinda foam do you want with those fries?

Received: 7/24/03 8:15; 215 443 6935; Page 2 P.2 ANALYTICAL LABORATORIES, P.O.

Suppression, Detection and Signaling Research and Applications - A Technical Working Conference (SUPDET 2011) 22-25 March 2011 Orlando, FL Extinguishment and Burnback Tests of Fluorinated and Fluorine-free Firefighting Foams with and without Film Formation Bradley Williams,1 Timothy Murray,1* Christopher Butterworth,1* Zachary Burger,1* Ronald Sheinson,1f James Fleming,1Clarence Whitehurst,2 and John Farley2 Combustion Dynamics, Code 6185 and 2Shipboard and Field Operations, Code 6186 Navy Technology Center for Safety & Survivability, Chemistry Division Naval Research Laboratory, 4555 Overlook Ave.

STATE OF MINNESOTA COUNTY OF HENNEPIN State of Minnesota, by its Attorney General, Lori Swanson, its Commissioner of Pollution Control, John Line Stine, and its Commissioner of Natural Resources, Tom Landwehr, Plaintiff, vs. 3M Company, Defendant.