Toxicological Summary PFOS Dietary Acute Mallard Study Test Substance: Perfluorooctancsulfonate (PFOS) Structure; p1o-tOacstsanieusmuslaflot,niCcASa#cid2,7951-,3192.23.33.44.5.5,6,67,7,88$-heptadecafluoro-, Remarks: sTthoeretdesutndseurbstaamnbcieenits caonwdhiittieonpsoawndderpu(ri3tMy wloats#2o1r7i)g.inalTlyhedestaemrpmlienewdatso tbeechn9i0q.ue4s9.% bIny aLCsu/bMsSe,que'nHt-aHnMaRly,sis"oFf-tNhMeRtesatndsubcslteamnecen,talpuraitnyalywsaess determined to be 86.9%.

E err1~ESEARCH AR226-1864 OccupatIonal andEnvironmental Health Analysts of perftuorooctenotCAcId (PFOA) In Human Serum Samples \ E~cygenReport No.

AR226-1942 31 March 2005 1p.

AR226-2083 .,_..:-;;^.-.' . .,^^^.

AR226-2234 Steven L Grise 12/12/2001 03:26:26 PM To: cc: Subject: Debbie J Mulrooney/AE/DuPont@DuPont Bernard J Reilly/AE/DuPont@DuPont, Robert P PinchoVDEV/AE/DuPont@DuPont Re: C.O.

AR226-2260 Chris E Shoop 02/20/2002 05:20 PM To: cc: Subject: Robert F Pinchot/DEV/AE/DuPont@DuPont.

AR226-2395 INTEROFFICE MEMORANDUM Dates From; Depts Tel Not ll-May"19B8 lOsOSam ANTHONY J.

AR226-2401 A INTEROFFICE MEMORANDW TOt ANTHONY J.

AR226-2556 June 23, 2000 Dr.

AR226-2648 38 ^ ff ^ H- AR226-2648 TECHNICAL REPORT IN-SITU TREATMENT OF SURFACTANT-CONTAMINATED AQUIFER BY ELECTROCHEMICAL PROCESSES submited to Du Pont Company and Delaware State Research Partnership March, 1994 by 0 C.

AR226-2745 EFFECT OF FLUOROCARBON DISPERSING AGENTS ON THE LIVERS OF RATS AND DOGS -61 ^ Report No. 123-65 & ars powerful surfactants.

AR226-2756 FOR DU FONT USE ONLY Coppiieesf c^o^n H^B--------------!

FOR DU FONT USE ONLY AR226-2792 Subchrontc Inhalation Toxicjty of Haskel!

AR226-2812 TRADE SECRET Study Title Perfluorooctanoic Acid: Relationship Between Repeated Inhalation Exposures and Plasma PFOA Concentration in the Rat AUTHOR: Paul M.

S?