Study Sponsor: ELF ATOCHEM Issue Date: 18-Jaa-94 Document Reference No.: ] 43833A AR226-2999 - Ready Biodegradability Study (OECD 301B) Author(s): J.C.

m m m sm -, AR226-3024 Study Title Bye Irritation Test with H-21209 in Rabbits Laboratory Project ID Haskell Laboratory Report No. 602-95 Author Tracy A.

M Z & - & - 331% 500 /***% r ARUM - DuPont-11953 TRADE SECRET Study Title H-25436: Early Life-Stage Toxicity to Rainbow Trout, Oncorhynchus mykiss f Test Guidelines: U.S.

AR226-3383 HASKELL LABORATORY Common Name: Telomer B Carbamate Cbpimiral Name: Reaction product of hexamethylene diisocyanate biuret with alpha-fluorogamma-hydroxyethyl-poly(difhoromethylene) and 3-chloro-1,2-propanediol (37.7% aqueous dispersion) CAS Registry No.: None Chemical Structure: oh ho HI I It IR f - C - N - ( C H , ) , - N - C 26 H OIII N - (CH ,).

If A V . & 9. 6 - } l f J O 14 >68Bk, 00019G M tf6 _ ilfjo W il m in g t o n , D e l a w a r e IS398 PLASTIC PRODUCTS AND RESINS DEPARTMENT PERSONAL & CONFIDENTIAL July 25, 1979 TO: R.

R&el ,,2106 000380 C-8 BLOOD LEVELS IN FEMALES TRANSFERRED OUT OF TEFLON C-8 LEVEL WHEN AGE LEAVING TEFLON 32 0.140 27 0.192 27 0.570 33 1.300 24 0.110 27 0.110 27 0,078 37 2.400 27 5.100 23 0.061 29 0.270 31 0.190 26 0.045 32 * 0.450 27 0,230 25 0.092 33 0,019 28 2.500 C-8 LEVEL AFTER LEAVING TEFLON 0.086 0.120 0.390 0.980 0.086 0.091 0.065 2.000 4,400 0.053 0.240 0.170 0.041 0.410 0.210 0,092 0.019 2.600 NUMBER OF DAYS BETWEEN SAMPLES 143 127 140 126 128 133 148 139 126 128 130 127 96 127 127 126 133 126 % CHANGE IN C-8 BLOOD LEVELS -38.6 -37.5 -31.6 -24.6 -21.8 -17.3 -16.7 -16.7 -13,7 -13.1 -11,1 -10.5 - 8,9 - 8,9 - 8.7 0.0 0.0 + 4.0 AVERAGE = 129 days -15.3 + 11.7* * The downward trend is statistically significant at 0.05 level using the paired-t test. 12/1/81 0337W 000381

p' 3M /\-(tHP.6~ $S~7 3M ENVIRONMENTAL LABORATORY PROJECT NO.EOS-0442 Analytical Report Definitive Study: Quantitative Screening of Commercial Lots of Human Serum Obtained in 2004 for Endogenous Fluorochemicals Using Solid Phase Extraction and Liquid Chromatography/Tandem Mass Spectrometry Laboratory Request Number: E05-0442 Testing Laboratory 3M Environmental Health and Safety Operations 3M Environmental Laboratory 3M Environmental Laboratory Project Lead Mark E.

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C o n stru ctio n Materials Engineering ami Testing g E n vironm ental Engineering and Consulting G eotechnical Engineering m Analytical Sen dees m TRANSMITTAL TO: Weston Solutions, Inc._________ __ DATE: March 23. 2005______ P.O.

Aft SLS.6 _ 07& 6 ACUTE TOXICITY TO AQUATIC INVERTEBRATES (EASTERN OYSTER) TEST SUBSTANCE____________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-206 or L3243. (1-Octanesulfonic acid) (CAS # 2795-39-3).