C.

Wildlife International, Ltd. ae Project Number 454-107 PFOS: `A FLOW -THROUGH LIFE-CYCLE TOXICITY TEST WITH "THE SALTWATER MYSID (Mysidopsis bahia) ADDENDUM `WILDLIFE INTERNATIONAL, LTD.

ENVI RONblENTAL LABORATORY AOUATIC TOXICITY DATA SHEET EXPLORATORY (RANGE-F I ND I NG TEST) BACK TO MAIN LR 8!

3M Medical Department Study: T-6316.1 3M Medical Department Study: T-6316.1 Analytical Report: FACT-TOX-003 LRN-U2104 Analytical Report: FACT TOX-003 LRN-U2104 Study Title 104-Week Dietary Carcinogenicity Study with Narrow Range N-Ethyl PerfluorooctanesulfonamidoEthanol in Rats Analytical Laboratory Report Title Determination of the Presence and Concentration of PFOS, PFOSA, PFOSAA, EtFOSE-OH, M556, and PFOSEA in Serum and Liver Samples of Crl:CD@(SD)IGS BR Rats Exposed to N-Ethyl PerfluorooctanesulfonamidoEthanol Data Requirement Not Applicable Author 3M Environmental Laboratory Study Completion Date JuAntes0ig6n,in2g001 Performing Laboratories Liver and Serum Analyses JI 3M Environmental Laboratory Building 2-3E-09,935 Bush Avenue St.

:3 T | 33 = L22ii1 o8 32 a3 9l8gso8lz8g3 gf N 3B$d<3 ze z% |g || a ia gI o 3 7 8 2 3 53gof of A"gfp gl 2= 3 Es : : 8 3 8 3 8 3 322 5 83: 3 2 gEE =cBE :: 50 8 2 gg 2 g| & #38F sgl 5 g3sll g22l 3of 2 <| 593 2 2 3 < g 23 | 2 2 zg 3 a | Z=H g28| ZZ| 8gl| |gF |=S2gg ||aZg | x 2 oCf E2 E2 E4E3R8ERE8 Dgldg a& 8o~N [2 EXHIBIT| % z Z- 27 y = B gE FEE 3 = Ez Z oH 5l1xl8g]lH|ls2A ] 5.EIlHE5R ER=(LE|E REE olgf RREEREHE SI3(E] 21FEl2a |5IZIE| |EIE] |lalolslc|EE 2:3 12 2 FE | IE 53 z28] [5] 2 & g 5 ~N | i 3215 [8] EleS| |e|elg] |E2 Z|%|33|= 5 g1lal9sl 2) Asie |gS| 2F 5 (BY EE FE ol le Zs 22(%|8|3 || | 4 v z g LE Z| gf Zzl=l=| |.EZl. 3E|l2z z|~= fig: gi a] gE Eo sz I I. z Lgl HE z Hl 3 - : Ul akeled THE] |g EEE ||g] | o ol 1|251|5e2 HBEg BEER o | H|E] i1e | TEwlEz | |2El1e3 (ele]eelz]3 | F} 3FE 2115 Zi |g [WN u | alalel=(v| | 2ol%l Hi 1s5i5l%2E |Z2l E E%| gl i | gl2|e3lz3 ENE J 55--11o33l 32| 13|3 =2 C183 NER o 3ZI3BB|] %% 2sl5s 213512203lgz(2 | glze KEBEEEKE gz | `7zl |ol8z|lz%lg]- Mgl EF51E3E/3E3 =2 Ja tl 4% 4 z|gES | 18] | ZT Tel 2 I 1gg] (8B2I5S8IEI1S8g] |g5] EIS oEfz|] 2 2 =i H5 E- Hs E: 5 3z : HE gi zE i g3i5 23% 3 ig 27 $3iz ss2iEl|: | CIEE 3 f2k3 T] | | sf2] ElEElEz PEE E515 sg5 } 3 3 Hk] % IE 23% is EEN Y!

RECYCLED t.^1 AR226-2624 INS AR226-2624 JULY 2004 PFOA SAMPLING DUPONT CIRCLEVILLE WORKS CIRCLEVILLE, OHIO Date: August 2004 Project No.: 18984003.04005 CORPORATE REMEDIATION GROUP An Alliance between DuPont and URS Diamond Barley Mill Plaza, Building 27 Wilmington, Delaware 19805 July 2004 PFOA Sampling Introduction On July 8,2004, groundwater was sampled from two recovery wells and three production wells at the DuPont Circleville Plant.

- Tr AR226-2637 ) 25 AR226-2637 PHASE I SUPPLEMENTAL RCRA FACILITY INVESTIGATION REPORT DUPONT FAYETTEVILLE WORKS FAYETTEVILLE, NORTH CAROLINA Prepared for DuPont Fayetteville Works Highway 87 South Fayetteville, NC 28302 RCRA Permit No.

AR226-2643 32 PROJECT GW SAMPLING 8/02 GW SAMPLING 8/02 GW SAMPLING 8/02 GW SAMPLING 8/02 GW SAMPLING 8/02 GW SAMPLING 8/02 GW SAMPLING 8/02 GW SAMPLING 8/02 GW SAMPLING 8/02 GW SAMPLING 8/02 SRCNAME WELL1 WELL10 WELL2 WELLS WELL4 WELLS WELL6 WELL7 WELL8 WELL9 THEME Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater DATESMPL 8/6/2002 8/6/2002 8/6/2002 8/6/2002 8/6/2002 8/6/2002 8/6/2002 8/6/2002 8/6/2002 8/6/2002 SMPLT FS FS FS FS FS FS FS FS FS FS SAMPLEJMUMBER SH-WELL1 SH-WELL10 SH-WELL2 SH-WELL3 SH-WELL4 SH-WELL5 SH-WELL6 SH-WELL7 SH-WELL8 SH-WELL9 AR226-SH2I 643 FILTERED CASNO ANALYTE RsltPost Rs T 3825261 FC-143 1200000 1 T 3825261 FC-143 306000 T 3825261 FC-143 698000 T 3825261 FC-143 697000 T 3825261 FC-143 202000 T 3825261 FC-143 31700 T 3825261 FC-143 201000 T 3825261 FC-143 243000 T 3825261 FC-143 212000 T 3825261 FC-143 1540000 1 AR226-2643 C8 results Envista 111104.xls Page1 PREPMTHD None None None None None None None None None None PREPREP NS NS NS NS NS NS NS NS NS NS DRY 1 1 1 1 1 1 1 1 1 1 LAB_NUMBER L33570-1 L33570-10 L33570-2 L33570-3 L33570-4 L33570-5 L33570-6 L33570-7 L33570-8 L33570-9 RSLTMOD RESULT 1200000 306000 698000 697000 202000 31700 201000 243000 212000 1540000 UNIT NG/L NG/L NG/L NG/L NG/L NG/L NG/L NG/L NG/L NG/L MDL PQL 500000 50000 500000 500000 50000 5000 50000 500000 50000 500000 C8 results Envista 111104-xls

AR226-2833 JWW^.'

AR226-2918 FOR DU PONT USE ONLY cc: Haskell E.

AR226-2967 Study Sponsor: Issue Date: Document Reference No.: ATOCHEM Unavailable (Data Only) Bacterial Growth Inhibition Author(s): J.C.

ARARG 3237 | | || || | A226. 3239 DuPontsets `TRADE SECRET 'H-24678: Study Title Inhalation Rats Approximate Lethal Concentration (ALC) in Laboratory Project ID: DuPont-8684 AUTHOR: John R.

@ AR226-3349 Development of analytical methodology for determination of Telomer B Alcohols, Telomer-derived anionic, nonionic fluorosurfactants and polymers.

Development of a Mammalian Screen to Evaluate Absorption and Persistence of Fluorina C Finlay, G.

PFOS: Fathead 1. 1 I CHRONIC TOXICITY TO EARLY LIFE STAGE OF FISH TEST SUBSTANCE Identity:Perfluorooctanesulfonatmea;y alsobe referredto as PFOS or FC-95. (1-Octanesulfoniaccid,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro-p,otassium salt,CAS # 2795-39-3) Remarks field: The testsubstance isa whitepowder.