fig w u rv flle M a te r friP o a a s ANALYTICAL REPORT PFOA/PFOS A nalysis Lot#: D7L140421 Nicki Smith Q C L a b o ra to rie s , In c . 1205 Industrial Highway Southampton, PA 18966 TestAmerica Denver G ailD eR u Project M anager January 7, 2008 4955Yarrow Street Arvada, CO 80002 tel303.736.0100 fax303.431.7171 www.te5tamericainc.com DEP2-SDWB-000460 Case Narrative D7L140421 TestAmerica Denver utilizes USEPA approved methods in all analytical work.

fitk - I '700 ENCLOSURE 4 ~0 to DescriDtion of the 3M Decatur Inactive Landfill Containment Structure --------------------- k ---------------------------------------------------------------------------------------------------------------------------------------------------------------- --------------------------------- -- , o 50 "t3 m o -H rn At the 3M Decatur site, a RCRA interim remedial measures (IRM) program is q% currently underway to construct a containment structure for an inactive landfill, cirhis IRM program is being undertaken by 3M pursuant to an IRM Work Plan that was approved by the Alabama Department of Environmental Management (ADEM) on December 16, 2002.

1 July 30, 2012 Probable Lin k Evaluation o f Autoim m une D isease Conclusion: On the basis of epidemiological and other data available to the C8 Science Panel, we conclude that there is a probable link between exposure to C8 (also known as PFOA) and ulcerative colitis, and find no probable link between PFOA and any of the other autoimmune diseases (rheumatoid arthritis, lupus, type1 diabetes, Crohn's disease, or multiple sclerosis).

TL 3M General Offices Su oon rad mpgs genq- 0704- 15607 3M Certified Mail AL - 80S July 6, 2004 Document Processing Center OEUfPSfAitceEraoasftP-olRlouodomn6P4r2e8veAntttin:onSaencdtiToonx8i(cs) W1a2s0h0iPnegninosnylDvCani2a04A6v0e-n0u0e01NW RE: TprSoCtAci8v5e)maSteUrBiaSlTANTIAL RISK NOTICE ON: Dear Sirs: ItnauchreJdu,neM28,d2s0c0u4s,esdubsmoimsesisounpgplaermdeintnagltihnefosrmuatbion.testEnsucblsotsaendcepl(epsleesnedsee CD containing the supplemental report "Augmented acute (4-hour) inhalation toxicity study with T-7875 in rats."

: <r 3M General Offices. 3LMpaCenteree,IA2-/50F CASI Cg 0p.

AR226-2110 ^ Test Results -?

AR226-2220 FB^ ^,^ C.L : Ron J Buchanan 11/29/2001 10:45 AM To: cc: Subject: Robert F Pmchot/DEV/AE/DuPont@DuPont Debbie J Mulrooney/AE/DuPontODuPont, Steven L Grise/AE/DuPont@DuPont, Mary A Kaiser/AE/DiiPont@DuPont.

AR226-2561 September 4, 2001 Samantha P.

AR226-2572 ?

^ < GIST meeting notes May 15,2002 AR226-2585 Minutes from the C-8 DuPont meeting May 15,2002 The meeting began at approximately 10:20 am.

AR226-3178 Haskell Laboratory for Toxicology and Industrial Medicine June 11, 2001 TO: Hot Developmental Toxicity Study in Rats cc: L.

AR226-3196 TRADE SECRET Study Title H-25134: Static, Acute, 48-Hour Screening Test to Daphnia magna Laboratory Project ED: DuPont-8862 AUTHOR: Laurie D.

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 ED: DuPont-2927 :g:iW:a Sfir AUTHOR: Carol Finlay, B.A.

q Katherine E .

ELSEVIER Available online at www.scienced irect.com ScienceDirect Wear 261 (2006) 1359-1366 WEAR www.elsevier.com/locate/wear Tribological properties of transfer films of PTFE-based composites Yunxia Wang a' b'*, Fengyuan Yan a a State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China b Graduate School of Chinese Academy of Sciences, Beijing, 100864, China Received 20 June 2005; received in revised form 7 March 2006; accepted 21 March 2006 Available online 2 May 2006 Abstract PTFE-based composites containing 15 vol.% MoS2, graphite, aluminum and bronze powder, were respectively prepared by compression molding at room temperature and subsequent heat treatment in atmosphere.