AR226-2830 m Material Tested: Material Submitted by: Copies E.

AR226-2921 FOR DU PONT USE ONLY E.

Study Sponsor: Issue D ate: Docum ent R eferen ce No.: E L F A TO C H E M S .A . 10-NO V-95 9 5/S A E 6/1205/H T AR226-3032 \ Acute Toxicity to D aphnia Author(s): H.

TRADE SECRET DuPont HL-1997-00676 AR226-3078 Study Title SalmonHe-l2la27ty6p2h: imMuurtiuagmenPilcaittey Testing in the Incorporation Assay Laboratory Project ID: HL-1997-00676 AUTHOR: N.

TRADE SECRET DuPont HL-1997-00598 AR226-3079 Study Title I nhalation Approximate Lethal Concentration (ALC) en R ats Laboratory Project ID: HL-1997-00598 Author: David P.

AR226-3108 HLiufenSticniegndcoens CONFIDENTIAL DPT 438/984469 ASSESSMENT OF READY BIODEGRADABILITY MODIFIED STURM TEST Sponsor Dupont Speciality Chemicals, Jackson Laboratory, Chambers Works, Deepwater, NJ 08023, USA.

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SPONSOR Elf Atochem SA ' Cours Michelet La Dfense 10 92091 Paris-la-Dfense CEDEX France AR226-3172 TEST SUBSTANCE STUDY TITLE SKIN SENSITIZATION TEST IN GUINEA PIGS (M axim ization method o f M agnusson and Kligman) STUDYDIRECTOR Xavier Manciaux STU D Y COMPLETION DA TE 14Dcember2000 TESTFACILITY err Centre International de Toxicologie BP 563 - 27005 Evreux - France / IFM Recherche S.N.CAUCAPITALDESSS0000F LABORATORYSTUDY NUMBER 20023 TSG 'Company Sa"?

AR226-3200 H90--2D45ay16G:aSvaugbechSrtoundiyc iTnoRxaictistywith One-Generation Reproduction Evaluations__________________DuPont-5368 % TRADE SECRET Study Title H-24516: Subchronic Toxicity with One9-G0-eDnearyaGtioanvaRgeepSrotudduyctiinonRaEtvsaluations Volume 4 of 5 Laboratory ProjectID: DuPont-5386 Test G uidelines: UO.PSP.TESPA87H0.e3a1lt0h0E(1f9fe9c8ts) Test Guidelines AUTHOR: Gregory S.

RESPONSIBLE SCIENCE POLICY COALITION Polyfluoroalkyl Substances: Best Practices for Science Policy Decisions July 24, 2018 James Votaw, Partner Keller and Heckman LLP Jonathan Gledhill, President Policy Navigation Group RESPONSIBLE SCIENCE POLICY COALITION 1001 G STREET, NW SUITE 500 WEST, WASHINGTON , DC 20001 RSPC New PFAS Coalition Key members: 3M, Johnson Controls More members joining Objectives Provide scientific resources to public policy decisions at federal and state level Coordinate investments in research with other stakeholders to maximize value and to accelerate results RESPONSIBLE SCIENCE POLICY COALITION 1001 G STREET, NW SUITE 500 WEST, WASHINGTON , DC 20001 What We Don't Want to Do: Perchlorate 1992 First health value 4 ppb 1995 Range expanded to 4-18 ppb 2001 Draft EPA health assessment at 1 ppb 2005 NAS rejects EPA's approach 2005 EPA sets value 24.5 ppb based on NAS 2010 EPA considers values below 4 ppb 2013 EPA's science advisors reject approach 2016/2017 New EPA modeling values: >80 ppb 2019 Court-ordered deadline to set standard RESPONSIBLE SCIENCE POLICY COALITION 1001 G STREET, NW SUITE 500 WEST, WASHINGTON , DC 20001 How Can We Do Better?

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.