From: To: CC: Sent: Subject: Attachments: Rudroff, Jim CIV OASN (EI&E), ODASN Environment Berkoski, Daniel T CIV NAVSEA, SEA 05 Hunstad, Mary P CIV NAVSEA HQ, SEA 05; Fletcher, Steven G CIV NAVSEA HQ, SEA 05; Mach, Richard CIV OASN (EI&E), ODASN (Environment); Nehm, Lindsay R CIV OPNAV, N45; Pletke, Mike CIV OPNAV, N45 4/6/2016 8:06:54 PM RE: 3M AFFF advisory TAB B - Attachment - ECGC Endorsements v2.doc; ATTACH003.eml; 14-10-21 DASN (E) PFC memo.pdf; USA000204-16 - EIE signed ECGC Meeting Follow-up.pdf Dan, I'm forwarding several attachments in response to your email below.

Withheld in Entirety US00006176

ORIGINAL DOES NOT CONTAIN CBI 3M Environmental, Health and Safety Operations 3M Center, Building 0224-05-W-03 St.

BODICOD resultstorFC-94-X (U sWt ofPFOS) I BIODEGRADATION TEST SUBSTANCE Identity:PerfluorooctanesulfonatLei,thiumsalt;may alsobe referredto as PFOS Lisalt,FC-94, or FC-94-X. (1-Octanesulfonicacid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecaflliutohriou-ms,alt, CAS # 29457-72-5) Remarks: The testsample isa mixtureofthe testsubstance inwater (approximately24.5% testsubstance and 75.5% water).No calculations were made to adjustforthe actualconcentrationofthe testsubstance in the testsample.

i---- I PFOS@ A 96-Hour StaticAcute ToxicityTest with the I SaliwateTMysid (Mys@dopsisbahia) i f@@j - II PFOS: A 96-HOUR STATIC ACUTE T03UCITY TEST WITH THE SALTWATER MYSID Wysidopsis bahia) FINAL REPORT WILDLIFE INTERNATIONAL LTD.

CAFSI Comment on PFAS Restriction Proposal China Association of Fluorine and Silicone IndustryCAFSI C China Association of Fluorine and Silicone IndustryCAFSI, a national industry A organization on fluorine & silicon chemicals in China, has always guided Chinese fluorochemical industry to fully support and implement international conventions and F national regulations, help affiliated enterprises to improve their management on corporate social responsibility including environmental protection.

TEILIIN ARAMID Teijin Aramid's vision on the proposal to restrict all PFASs (Per- and Polyfluoroalkyl substances) under REACH Introduction Teijin Aramid As a subsidiaryofthe Teijin Group, Teijin Aramid is global market leader in the production of `aramid.