AR226-2572 Copy 10 of 20 Laura W alter DECEMBER 2001 GROUNDWATER MONITORMG REPORT FOR W ASHINGTON WORKS FACILITY AND LOCAL.

AR226-2780 FOR DP PONT OSE ONLY Copies Co: E.

FOR DU PONT USE ONLY AR226-2897 Copies t E.

FOR DU PONT USE ONLY AR226-2922 s\Copies to Haskell : T du Pont de Nemours and Company Inc. aboratcry For Toxicology and Industrial Hadicine ` Elkton Road, P. 0.

P 1R A 6 - 3 3 / ^ 494 TRANSLATION SUMMARY OF BIOCONCENTRATION STUDY REPORT 1.

AR226-3339 Roy S Thompson Ilaria Colombo Watze de W olf (AstraZeneca, Brsxham, UK) (Solvay Solexis, Bolteie, Italy) (DuPont, Mechelen, Belgians) David G Farrar Robert A Hoke Jacques L'Haridon for:(ineos Chlor, Runcorn, UK) (DaPant, Newark, DE, USA) (CIT, Evreux, France) APME (Association ofPlastics Manmcterera in Earops) d-Hoc APFO Eavimaffisatsl Woridag Group _____________ _____ A p ME / Acute & Cfer@icCAoqunatetinctToxicity of APFO Background Physico-chemical properties of APFO Acute toxicity Chronic toxicity Risk assessment Potential role of ammonium ion in APFO toxicity Conclusions Acknowledgements AJpME 1 ArairAtucfutitielii&iitiCphtrrollniiic Arquacttic Tsio#xaitcit-yBoaf AckPgFrOtjiiiid Most commonly used salt o f perfluorooctanoic acid (PFOA) Essential processing aid in fluoropolymer and fluoroelastomer production (e.g.

M W 502 MAC - 33*0 H-24768: One-Generation Reproduction Study in Rats______________________________________ DuPont-13784 TRADE SECRET Study Title H-24768: One-Generation Reproduction Study in Rats Volume 1 of 2 Laboratory Project ID: DuPont-13784 Authors: Eve Mylchreest, PhD.

000694 /Hl EM Pt-O VeE RELATIONS D EPARTM EN T March 15, 1979 PERSONAL AMD CONFIDENTIAL P.

PATTONBOGGS, AHQSNEYS U UW -R, f,;`>r'rJ-irv'f .'

D r Vo s Children's Hospital' Regional Poison Center Michigan Department o f Community Health Jennifer M.

\ 8) OECD 305-OPPTS 850.1730,Fish bioconcentration (bhiegil) PERFLUOROBDTANE SULFONATE, POTASSrUM SALT (PFBS): r* A M I T l - i r p x A FLOW-THROUGH BJOCONCENTRATION TEST WITH THE A N I T I Z E D BLUEGILL {Lepomis macrochirus) 1 FINAL REPORT DEC 0 9 2003 WILDLIFE INTERNATIONAL, LTD, PROJECT NUMBER: 454A-] 17 3M ENVIRONMENTAL LABORATORY REQUEST NUMBER: E00-1429 U.S.

Atlanta Denver Los Angeles Philadelphia T homas b .

P -1 ; 4 /U Z '- 3 1 Z 2 J AXYS METHOD MLA-031 Rev 01 PFOS S i m Fon 1AI2 ~ PERFLUCffUNATEO SURFACTANT ANALYSIS RETORT C L IE N T I): Sampla Collection: OB-Mar-2005 11.-00 Lab Name: AXYS ANALYTICAL SERVICES Contract No.: 191 Lab Sample 10: L7652-27R2 Matrix: SERUM Sample Size: 100 mL Sample Receipt dele: 10-Mar-2QQS Initial Calibration Dale: BRACKETING CAL Extraction Oats: Analysis Date: 21-Apr-2005 22-Apr-2005 Time: 1:37:18 Im liumani ID: LC Column ID: LC-MSVMS CIB.ZorbaxXDB Extract Volume (mL): 2 Sampla Daiaflle: PFSSG_858S047 Injection Volume (jjL): 30 0 Blank Data Filename: PFSSGJD58S026 Dilution Factor: Concentration Units : N/A ngML Multiple CaL data FBenamss: PFS5G_058S029 PFS5G 0S8SO38 PFS5G_058S050 COMPOUND LAB FLAG' CONC FOUND DETECTION LIMIT RETENTION TIME PFPaA PFHxA PFHpA PFOA PFNA PFDA PFUnA PFDoA PFBS PFHxS PFOS U U 0839 786 1.07 0.488 0.198 0044 0.117 173 112 0312 0.103 00608 00510 00417 0.0168 00079 00102 00588 0.128 0204 387 538 5.73 606 6.40 6.76 304 552 622 LABELED COMPOUND 13C-PFOA 13C-PFDA LAB FLAG' SPIKE CONC.

TestA m e rica THE LEADER IN ENVIRONMENTAL TESTING ANALYTICAL REPORT PFOA/PFOS Analysis Lot#:: D8C180234 Laura Vancho New Jersey American Water 213 Carriage Lane Delran, NJ 08075 TestAmerica Denver licheile A.

ty Proven Results.