AR 286 -- 0200 BIODEGRADATION (BOD/COD) TEST SUBSTANCE _-- Identity: ArefmeirxrteudretocaonstPaiFnOiSng, pFeCr-f9l5u,oroorocatsanaescuolmfponoanteen,twhoficFhC-m2a0y6CalEs.o b(1eOctanesulfonic acid) (CAS # 2795-39-3) Remarks: The 3M production lot was not noted.

AR 226 - 0875 BIODEGRADATION (BOD/COD) ANCE Identity: A mixture containing perfluorooctanesufonate, which may also be referred to as PFOS, FC-95, or as a component of FC-783. (1Octanesulfonic acid) (CAS # 2795-39-3).

.

AR226 - 09/5 BIODEGRADATION (BOD/COD) TEST SUBSTANCE eerste -- Identity: ArefmeirxrteudretocaonstaPiFnOiSng,pFeCr-f9lu5o,rooorcatsanaescuolmfopnoanteen,twhoifcFhX-m3a1y04a.lso(1b-e Octanesulfonic acid) (CAS # 2795-39-3).

AR R26 - 0923 MICROBICS MICROTOX TOXICITY TEST TEST SUBSTANCE -- -- sm Identity: ArefmeirxrteudretocaonstPaiFnOiSng, pFeCr-f9i5u,oroorocatsanaescuolmfponoanteen,twohficFhX-m3a1y06a.ls(o1b-e Octanesulfonic acid) (CAS # 2795-39-3).

aCem Fntee pia ea elE DuPcat Haskell Laboratory He. 2.2. 6/555 June23, 2000 U.S.

Ji nm an . 1. bu Pont of tNeewouDss & Comeany WILMINGTON, DELAWARE 19898 ce: A.

KSaathvriinePEr.eRseeendt, PhD.

BACK TO MAIN Impinger Studies of Volatility of FC-95 and FC-143 Intoduction and P u p : ?

i TECHNICAL REPORT SUMMARY TO: TECHNICAL COMMUNICATIONS CENTER - Z O I - X N (Important -- I f report i s print& ort;bohh -~ Division of paper, send tw copier to TCC

BACK TO MAIN Cmtre Analytical Laboratories, Inc. 3048 Research Drive State College, PA 16801 www.centrelab.com (814)231-8032 Fax: (814)231-1253 or (814)231-1 580 Analytical Report Fluorochemical Characterization of Drinking Water Samples Pensacola, FI (W2176) Centre Analytical Laboratory Report No. 023-007D (Revision 1) Revision Date 3/20/01 Testing Laboratory Centre Analytical Laboratory, Inc. 3048 Research Drive State College, PA 16801 3M Environmental Laboratory Contact Kent R.

STUDY TITLE Extraction of Potassium Perfluorooctanesulfonate from Quail Serum and Quail Liver for `Analysis Using HPLC-Electrospray/Mass Spectrometry DATA REQUIREMENTS Analytical Method Requirements STUDYDIRECTOR Sean Gallagher UDY COMPLETED.

AR226-1992 J?

AR226-2159 Robert F Pinchot 07/12/2003 12:33 PM '. :: -.Ac-^l^'~ To: David M Rurak/AE/DuPontQDuPont, H David Ramsey/SE/DuPont@DuPbnt, Stephen J Gissy/AE/DuPont@DuPont, Robert L Ritchey/CL/DuPont@DuPont, John J Mentink/CL/DuPorrt@DuPont, Chris E Shoop/AE/DuPont@DuPont, Bernard J Reilly/AE/DuPont@DuPont.

AR226-2277 Robert I Wevodau 05/21/2002 09:36 AM To: cc: Subject: George L Clowes_Jr/CL/DuPont@>DuPont, Ravinder Sinah/CL/DuPont@DuPont, Michael T Evans/AE,'DuPont@DuPont, Michael G McClusky/AE/DuPont@DuPont, Cynthia E Read/AE/DuPont@DuPont, Ta-Wei Fu/SE/DuPont@DuPont Stephen J Gissy/AE/DuPont@DuPont, Chris E Shoop/AE/DuPont@DuPont, Karl G Kronberg/AE/DuPont@DuPont C8 Modeling We are anticipating that TERA will soon release an annual exposure level for C8.