AR226-2968 FOR DU PONT USE ORLY Du Font HLR 632-91 Study Title ApproximateLeHd.

< m AR226-3060 Study Title 100-Person Human Patch Test with H-21936 (Test Item) laboratory Project ID Haskell Laboratory Report No. 713-96 Study Completed On September 30, 1996 Contracting Laboratory ConTox Limited 3408-50 B Street Philadelphia, Pennsylvania 19134 Author - David Gabriel for E.

TRADE SECRET AR226-3161 DuPont-2931 Study Title H-24042: Biopersistence Screening 10-Dose Oral Gavage Study in Rats Laboratory Project ID: DuPont-2931 A u t h o r : Carol Finlay, B.A.

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"?

P M&&6 - 32 f 451 Determination of Ultraviolet DuPont report # 12734 t Test Guideline(s) Authors Maiy A.

UPDATE ON ENVIRONMENT CANADA'S ECO. n n r , , ACTIVIT.ES FOR CERTAIN P E R F L U O R O A ^ di.ht.*-.__ ___ , J e s s y K u r i a s 1 a n d A n i t a : ,, +* ______, ~* TM .'

Katherine E.

P-1 -frk& S - 368 !

P-1 A R a .a .6 - 56Z Z INTERIM REPORT #23 A ia W i of Sediment Samples STUDY TTTIF.

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.

(fctZb-3% 2ff p r r ft'"" NEW SOLUTIONS.

/VR R A ,6 _ G if-S PFOS * Genotoxicity - / 000033 IN VITRO MICROBIOLOGICAL MUTAGENICITY ASSAYS OF 3M COMPANY COMPOUND T-2816CoC Final Report, Revised March 1980 By: Kristien E.

V j-R _ O l S NITRIFICATION INHIBITION TEST SUBSTANCE______________________________________ Identity: Mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-203CF-X or FC-203CF. (1-Octanesulfonic acid) (CAS # 2795-39-3).

I~yfTiu>raptLy*i*c J n d U.y-r, d * w Psi- ^ ao -AfL2.6- 6 3 7 * '\=> i 0 NO c4 H1 J NO$(rOfO!

AR -03tpD August 30, 2000 Mr.