AR226-2509 # # Stephen R Peck 03/07/2002 08:21 PM To: Yasu Shibuta/SE/DuPont@DuPont cc: Ta-Wei Fu/SE/DuPont@DuPont, Mohammad Rezaei/SE/DuPont@DuPont Subject: Procedure for Analytical Determination of APFO Procedure for Analytical Determinatior EDD0042621

AR226-2573 COMPILATION OF HISTORICAL C-8 DATA DUPONT WASHINGTON WORKS MAIN PLANT AND LANDFILLS Date: January 2002 Project No: D6WW7423 h^ CORPORATE REMEDIATION GROUP An A lliance between DuPont a n d URS Diam ond Bailey MWM eza, Building 27 Wilmington, Dataware 19805 JSO0X5042 1D 62 777 TABLE OF CONTENTS 1.0 Introduction......................... ................................. . ........... . 1-1 1.1 Document Organization................................ ............1-1 1.2 C-8 Historical Laboratory Analysis.............. 1.3 Physicochemical Data for Ammonium Perfluorooctanoate (C-8) .. ............1-2 1.4 References....................................................... .................................. ............1-2 2.0 Washington Works Main Plant...................................................... 2.1 Introduction.,....... ................................................... .............. 2.2 Environmental Setting.................................. ........................ 2.2.1 Geology.,............................................................... 2.2.2 Hydrology, Hydrogeology and Groundwater Flow 2.3 Water Quality........................... ............................................. 2.3.1 Surface Water Quality...................................... 2.3.2 Groundwater Quality........................................ 2.3.3 Drinlring/Tap Water Quality............................. 2.4 Site Conceptual Model................................................... 2.5 Data Gaps *****..

AR226-2765 FOR DU POST USE ONLY Copies to: HaclroiT t .E * Pont de Nemours and Company Haskell taboracer, far Toxicology a,,d Industrial Medicine fcllcton Road, Newark, Delaware J9711 HASKELL LABORATORY REPORT NO. 329-81 Material Vested ' !

AR226-2826 H askell U b a M ryJ " oorrTioxiLcoolo?

AR226-2927 FOR DUPONT USE ONLY Subchronic Inhalation Toxicity of Haskell Laboratory Report No. 182-85 E.

AR226-3057 A' Study Title 100-Person Human Patch Test with H-22056 (Test Item) Laboratory Project ID Haskell Laboratory Report No. 646-96 Study Completed On September 30. 1996 Contracting Laboratory ConTox Limited 3408-50 B Street Philadelphia.

AR226-3108 HLiufenSticniegndcoens CONFIDENTIAL DPT 438/984469 ASSESSMENT OF READY BIODEGRADABILITY MODIFIED STURM TEST Sponsor Dupont Speciality Chemicals, Jackson Laboratory, Chambers Works, Deepwater, NJ 08023, USA.

AR226-3104 TNO-report V98.337 aented acute (4-hour) inhalation toxicity study with ~ | p rats TNO Nutrition and Food Research Institute Utrechtseweg 48 P.0.

tFM recherche $. v i MJ C-W'At OS 5 5>0 000 c A R226-3134 CONFIDENTIAL SPONSOR Elf Atochem S.A.

TRADE SECRET Study Title H-24159: Biopersistence Screening 10-Dose Oral Gavage Study in Rats Supplement No. 1 Laboratory Project ID: DuPont-4182 DuPont-4182 Supplement No. 1 AR226-3217 A u t h o r : Carol Finlay, B.A.

f iX b c H-24516: Subchronic Toxicity 90-Day Gavage Study in Rats with One-Generation Reproduction Evaluations TRADE SECRET Study Title H-24516: Subchronic Toxicity 90-Day Gavage Study in Rats with One-Generation Reproduction Evaluations Revision No. 1 Volume 3 of 5 Revised Page DuPont-5386 Test Guidelines: U.S.

3M Company Page 1 Date: May 16.2006 FINAL REPORT Epidemiology', 220-3W-05 Medical Department 3M Company St.

Katherine E.

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3 3M Environm ental Laboratory E05-0210 Interim R eport#13 Interim Report #13: Analysis of Tennessee River Water Samples Study Title A P (PFBS), Pn a l y s i s o f e r f l u o r o b u t a n e s u l f o n a t e erfluo ro hexanesulfonate (PFHS), a n d Pe r f l u o r o o c t a n e s u l f o n a t e (PFOS) in Wa t e r , So i l , Se d i m e n t , Fi s h , C , V , Sl a m s e g e t a t i o n m a l l Ma m m a l Liv e r a n d Sm a l l M Sa m m a l e r u m Us i n g LC/MS/MS 3M D M Pf o r t h e e c a t u r o n it o r in g r o g r a m Data Requirement EPA TSCA Good Laboratory Practice Standards 40 CFR 792 Author Michelle D.