0004 ("Tii mm AR&S.G- Anthony J Flaylis 08/08/2000 12:36 PM To: Gary W Jepson/AE/DuPont@DuPont co: Robin C Leonard/AE/DuPont@DuPont, RobertF Pinchot/DEV/AE/DuPont@Dl/Pont Subject Pensioner Blood Data Gary, C-8Here are the results for in blood tor all pensioners who were tested in both 1995 and 2000.

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BACK TO MAIN / Study Title Characterization Study EtFOSE-OH, Test Control Reference #SE-035 P h a s e : S o lu b ilit y o f Et FOSE-OH in W a t e r , M e t h a n o l, a n d A c e to n e Data Requirement 40 CFR 160.105(b) Author Mark E.

ENVIRONMENTAL PHYSICAL/CHEMICAL, FATE, EFFECTS AND MONITORING STUDIES HYDROLYSIS BACK TO COMPOUNDS STUDY TITLE COMPOUND LABORATORY REPORT NUMBER (LRN) SUMMARIES Hydrolysis Executive Sum m ary H ydrolysis Reactions of P ertluorooctane Sulfonate (PFOS) PFOS W 1878 Robust Sum mary H ydrolysisR eactions o f 2-(N -ethylperfluoroctanesulfonam ido)-E thyl A lcohol (N-EtFO SE-ALCO HO L) H ydrolysis Reactions of P erfluorooctanoic Acid (PFOA) H ydrolysis R eactions of 2-(N -M ethylperfluoroctanesuIfonam ido)Ethyl Alcohol H ydrolysis Reactions of P erfluorooctanesulfonam ide (FOSA) N-EtFO SE-OH PFOA N-M eFOSE-OH FOSA W 1872 E00-1851 W 1880 EL-1132 Robust Sum mary Robust Sum mary Robust Sum mary Robust Sum mary

3M Medical Department Study: T-6295.12 BACK TO MAIN Analytical Report: FACT T O X -110 LRN-U2849 Study Title Oral (Gavage) Pharmacokinetic Study of PFOS in Rats Analytical Laboratory Report Title Determination of the Presence and Concentration of Perfluorooctanesulfonate (PFOS) in Serum, Liver, Urine, and Feces Samples Data Requirement Not Applicable A u th o r 3M Environmental Laboratory Study Completion Date at signing Performing Laboratories Urine Analyses Feces Analyses 3M Environmental Laboratory Building 2-3E-09, 935 Bush Avenue St.

BACK TO MAIN 740101 ENVIRONMENTAL ENGINEERING LABORATORY AQUATIC TOXICITY WORK SHEET Type Test 96 Hours -*A ?

M u t a g e n i c i t y T e s t i n g of 2-[N-ethyl-N-perfruoloalkyl(C=l~ 8) sulfonylami.no] ethylacrylate in B a c t e r i a l R e v e r s e M u t a t i o n A s s a y s (study number 2862) T " 32-2.5 pie P' | B M L , INC.

^ 036-0537 TOXICITY TO AQUATIC PLANTS (E.G., ALGAE) TEST SUBSTANCE Identity: Perfluorooctylsulfonate, didecyldimethylammonium salt; may also be referred to as Fluoroalkyl ammonium derivative. [1Decaminium, N-decyl-N,N-dimethyl-, salt with 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-1octanesulfonic acid (1:1), CAS # 251099-16-8] Remarks: The 3M production lot number was Lot 1.

f1 r Analytical Report: LIMS E02-1053 Analytical Report: LIMS E02-1053 J.A&_ uro A nalytical Laboratory Report Title Comparative Analysis of Fluorochemicats in Human Serum Samples Obtained Commercially Data Requirem ent Not Applicable A u th o r Lisa Stevenson Study Com pletion Date 1 1 /1 3 /0 2 Perform ing Laboratory Extractions and Analyses 3M Environmental Laboratory Building 2-3E-09,935 Bush Avenue St.

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AlU>-1(,*7 FO-145 IK TEFLON OBJECTIVES: DETERMINE THE PATE OP P C -1 4 3 HT THE TEFLON PEOCESS.

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W iS C0 N S PMOASDTI S CO NP r, I WC F1 F-5O3 X7 077 S* 47 5C4 0 FINAL REPORT AR71G-0323 ' VI !