AR226-2780 FOR DD FONT USE ONLY Copies Co: Haskell E.

Copies to: Haskell HASKELL E, I. du Font die Nemours and Company Laboratory for Toxicology and Industrial LABORATORY REPORT HO. 129-66 Medicine AR226-2826 Materials Submitted by: aPdrouclet dCuhreR;-CDEmacahle orfattahe inabosvinegnleatdeorsiaeslo,, was administered as a rauspenaton in peanut oil by Survivors were killed fourteen days later.

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FOR DU FONT USE ONLY AR226-2890 Copies toufl E.

AR226-2974 TRAPS ^gORgr SWRtts STATtC, ACUTE. 48-HOUR EC50 OF H-19,516 TO Daphnia magna DatajBfiouiEBaiant Organisation for Economic Co-OperatiOR and Development (OECD) ^mdeh'ne^fQFTes^n@-CB8Bweas: 202- Author Kevin N.

AR226-2998 Study Title Approxinate Lethal Dose (ALD) of H-20349 in Rats Laboratory Project ID Hasksll Laboratory Report No. 752-93 Author Carol Finlay Study Coepleted On December 21, 1993 Performing Laboratory Haskell E.

AR226-3102 DoPont-1712 HASKELL LABORATORY FOR TOXICOLOGY AMD INDUSTRIAL MEDICINE H'21946: STATIC, ACUTE 48.HOUR SCREENING TEST TO Daplwia magma PURPOSE; This is a raagsfindiag study designed to provide aa estimate of aquatic toxicity using fixed test concentrations and data measiaeineots at predetermined intervals.

AR226-3124 HASKELL LABORATORY FOR TOXICOLOGY AND INDUSTRIAL MEDICINE H-24119: STATIC, ACUTE 48-HOUR SCREENING TEST TO Daphnia magna PURPOSE: This is a rangefinding study designed to provide an estimate of aquatic toxicity using fixed test concentrations and data measurements at predetermined intervals.

423 -- Haskell Laboratory for Toxicology and Industrial Medicine April 5, 2002 M226 _ 324 TO: Study in Rats Ca G.

A236 - 3283 465 TRADE SECRET ARAR6 ~3283 Dupont 12091 Study Tite H-25767R:aiSntabtoiw, TArcouutte,,O9n6c-oHrohuyrncShcruesemnyiknigsTsest with AUTHORS:RoBbarebrrtaAD..

AR R26 33S 497 ---- --_ AR226 3315 suptenents bony TRADE SECRET Study Tide 90-Day Gavage Study iHn2R5at4s25wi:thSOunbec-hGreonneircaTtoixoinciRteyproduction Evaluations Supplement 1 Laboratory Project ID: DuPont-11418 TesT GUIDELINES: OUSP.PTESPA87H0e.a3l1t0h0E(fAfUecGt-s1T9e9s8t)Guidelines -- AumOR: Susan A.

AR226-2442 ^"^ I""'" ^t > BRANDERA AT A1 AT EUOIS2 03/24/97 10:55 AM To: cc: Subject: PECKSR AT A1 AT WWPS , Z1PFEL AT A1 AT WWPS PIRBONL AT A1 AT EUOIS2 , VERMEUAJ AT A1 AT EUOIS2 , DW C-8 anal in FEP dispersion HEERC AT A1 AT EUOIS2 Roger, Steve, Attached are our results on C-8 in the special batch (P27-1047) of FEP dispersion, that was made by Les Blair (cooled before venting).

I Determination ofthe Vapor Pressure of PFOS Using the Spinning Rotor Guage Method VAPOR PRESSURE TEST SUBSTANCE Identity:Peffluorooctanesulfonatmea;y alsobe referredtoas PFOS or FC-95. (1-Octanesulfonicacid,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro-p,otassiumsalt,CAS # 2795-39-3) Remarks: The testsubstance isa whitepowder.

RIKER LAU DRAT0131E S, IN C.

April 2. 1'J")% Larryand JcffFor titcalt3CIICgdf2plISand tables.I did thefollowing: useddatafrom 1981 on (beforethatthecountsperyearwere low) fortheemployees in 1997.lookedback to 1981 forallpastfluonnemeasurements twisedthenwnber of fluorinenumaimments peremployee selectedgroupsbased an ountbcrof meLramenTs: 6+.7+,3+. 9+,and 1(>+ createdone chartand one tableforeach group The n- valueon thechatu isthemaximum number of uxfividualsselectedforthegroup.