AR226-3205 DuPont-2927 ______Supplement No. 1 TRADE SECRET Study Title H-24018: Biopersistence Screening 10-Dose Oral Gavage Study in Rats Supplement No. 1 Laboratory Project ID: DuPont-2927 Author: Carol Finlay, B.A.

M m 6 - 2l> 455 V l / u a * ,, 3-273 DuPont-9478 TRADE SECRET Study Title y^^j^^^yJ^HD aH^HurjatTtlOHapv^augbecShturdoymincRTatosxicity Volume 2 of 3 Laboratory Project ID: DuPont-9478 Test Guidelines: OUP.SP.TESPA87H0.e3a1l0th0E(1ff9e9c8ts) Test Guidelines AUTHOR: Gregory S.

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SEVERN TRENT LABORATORIES ANALYTICAL REPORT JOB NUMBER: 239580 Prepared For: Weston Solutions, Inc. 1400 Weston Way Building 5-2 West Chester, PA 19380-1499 Project: Confidential Decatur - FC Investigation Attention: Jai Kesari Date: 09/02/2005 Signature Name: Richard C.

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AR SLSLG _ 0 2 ^ 0 BIODEGRADATION (BOD/COD) TEST SUBSTANCE____________________________________________ Identity: Mixture containing perfluorooctanesulfonate which may also be referred to as PFOS, FC-95, or as a component of FC-3017. (1Octanesulfonic acid) (CAS # 2795-39-3).

AH. k&G _ 0666 ACUTE TOXICITY TO AQUATIC INVERTEBRATES (DAPHNIA MAGNA) TEST SUBSTANCE ________________ Identity: Mixture containing perfluorooctanesulfonate; may also be referred to as PFOS, FC-95, or as a component of FC-3072. (1Octanesulfonic acid) (CAS # 2795-39-3).

15:8 vW ^ EPA/Fluoropolymer Industry Meeting I Introductions I Meeting Purpose I Introduction to the Fluoropolymer (FP) Industry I Fluorinated Processing Aids (APFO/PFOA) in Fluoropolymers I Discussion & Feedback ^ o-r-j mo Meeting Purpose I Provide Overview of FP Industry I Who, What, How, Critical Uses I Open Communication Channels I Describe What Industry Is Doing I Determine EPA Expectations & Plans I Regulatory Actions I International Coordination I Discuss Next Steps Contain NO GBi / S o cie ty of the P la s tic s Industry (SPI) Fluoropolym er M anufacturers Group (FMG1............ ............. _ _ , I A Special Purpose Committee of the SPI I The mission of the FMG is to promote the continued safe manufacture & use of fluoropolymers made using fluorinated polymerization aides (FPA) while establishing & supporting responsible care in the use of fluoropolymer products & minimizing the impact on the environment FMG Objectives for Meeting I Illustrate Necessity of the Continuing Safe Use of APFO I Demonstrate Industry's Safety & Health Awareness I Identify EPA Concerns FMG Members I Asahi Glass Fluoropolymers I Atofina I Ausimont I Daikin I DuPont & DuPont/Dow Elastomers I Dyneon (a 3M Company) Fluoropolymers & PFO Chem istry I APFO Vs.

4nhi %, j r n t L L <lfl- J ffly AP-AG - U 3ft UNITED STATES ENVIRONMENTAL PROTECTION AGENCY WASHINGTON, D.C. 20460 N O V ?

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3m GENERAL OFFICES 2501 HUDSON ROAD .

27-CV-10-28862 Filed in Fourth Judicial District Court 11/17/2017 6:53 PM Hennepin County, MN JGiesy@aol.com 03/26/2008 03:49 AM To wkreagen@mmm.com cc JNewsted@entrix.com PMehrle@entrix.com bcc Subject Re: Entrix Consulting Bill: I will forward the opportunities to you.