From: To: CC: Sent: Subject: Attachments: Hunstad, Mary P CIV NAVSEA HQ, SEA 05 Mach, Richard CIV OASN (EI&E), ODASN (Environment); Rudroff, Jim CIV OASN (EI&E), ODASN Environment Adelson, Jordan M CIV SEA04X, LQAO; Willey, Janice L CIV SEA04X, LQAO; Fletcher, Steven G CIV NAVSEA HQ, SEA 05; Berkoski, Daniel T CIV NAVSEA, SEA 05 1/18/2017 3:35:22 PM FW: EU PFOA Regulations D04761201-en-2.pdf; REACH PFOA Decision Dec'16.pdf Richard/Jim - Forwarding.

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......

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Ad Hoc BCR PFAS review of stakeholders input Please note that some of the information in this document is confidential and should not be distributed outside of the BCR Stakeholder name Green = presentation confirmed Essenscia Sector Federation: Representant of the chemical industry, life sciences and plastic convertors Confidential intervention/d ata Figures (for later meeting) Main points input (scope/def, impact, text/exemptions) FP = fluoropolymers CA = competent authorities Scope Derogation/exemption/timing Alternatives Redesign Socio-economic positive impact Socio-economic negative impact Environmental positive impact Environmental/hh negative impact Risk management Legal difficulty Scope/def: scope too broad, def does not meet backbone with only one fluorinated carbon atom.

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Covance Studies AR226-0/68 The attached report summarizes the results from the assessment of `mitochondrial bioenergetics of hepatic mitochondria isolated from rats treated for 3 weeks with one of 4 doses (plus control) of dietary FC10.

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