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AR 826 -- 0759 BIODEGRADATION (BOD/COD) mEsTsussta0n00c 000e 000 Identity: Mixture containing perfiuorooctanesulfonate, which may also be FreCf-e2rr0e3dCtFo.as(1P-FOcOtSa,neFsCu-lf9o5n,iocracaisd)a (cCoAmSpo#ne27n9t5-o3f9F-C3)-,203CF-X or 2R0e3mCaFr.ksC:urreTnhtein3fMormpartoidounctiinodniclaottensuimtbsearmwiaxstu1r0e1o.f T1h%ePtFesOtSs,am2p0l%e is FCdsioedtihuymleoncetygllyscuollfamtoe,no1b%uttyrlieetthhaenr,ol7am0i.n2e%, 2wa%tesru,l2fo.n7a5t%edAcarlykylliceftohearmesra,its3,%and 0.05% tolyltriazole.

AR 2236 - 03% ACUTE TOXICITY TO FISH (FATHEAD MINNOW) IESTsuBSTANCE 0 Identity: A mixture containing perfluorcoctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-600. (1-Octanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro-, potassium salt, CAS # 2795-39-3) Remarks: The 3M production lot number was 628.

Wildlife International, Ltd. ae Prost Number 454C-107 "DETERMINATION OF THE WATER SOLUBILITY OF PFOS BY THE SHAKE FLASK METHOD ADDENDUM `WILDLIFE INTERNATIONAL, LTD.

BACK TO MAIN TOXICITY TO AQUATIC PLANTS (SELENASTRUM CAPRICORNUTUM) TEST SUBSTANCE Identity: Perfluorooctanoic acid, tetrabutylammonium salt; may also be referred to as PFOA tetrabutylammonium salt, tetrabutylammonium perfluorooctanoate, N2803-2, or as a major component of L -13492.

BACK TO MAIN ACUTE TOXICITY TO AQUATIC INVERTEBRATES (DAPHNIA MAGNA) TEST SUBSTANCE Identity: Perfluorooctanoic acid, ammonium salt; may also be referred to as PFOA ammonium salt, Ammonium perfluorooctanoate, PFO, FC-116, FC-126, FC-169, or FC-143.

Quality Assurance Project Plan Multi-City Study Sampling Task (Nl00672) BACK TO MAIN Amendment 2 to Revision No.

Genotoxicity, Carcinogenicity, Developmental Effects and Reproductive Effects of Perfluorooctanoate: A Perspective from Available Animal and Human Studies Prepared for the Association of Plastics Manufacturers of Europe and the Society of the Plastics Industry John L.

STUDY TITLE Extraction of Potassium Analysis Perfluorooctanesulfonaie from Red Blood Cells Using HPLC-Electrospray/Mass Spectrometry and Serum for DATA REQUIREMENTS Analytical Method Requirements STUDY DIRECTOR Sean Gallagher ANALYTICAL REPORT DATE June 2, 2003 PERFORMING LABORATORY / TESTING FACILITY Exygen Research 3058 Research Drive State College, PA 16801 Phone: 814-272-1030 STUDY SPONSOR 3M Environmental Technology and Safety Services Building 23E-09 PO Box 33331 St Paul, MN 55133-3331 PROJECT Exygen Protocol Number: 01P-023-066 Exygen Study Number: 023.066 Total Pages: 98 C0120 Exygen Sudy No. 023.066 GOODLABORATORYPRACTICECOMPLIANCE STATEMENT EPexryfgleunorooctaSnuedsyulfonNautembferrom Re0d23.B0l6o6o,d Celclnsiaendd Ser"uBmxtfuocrtiAonnalysiosfUsinPgotHaPssLiCu:m BSalfeecttyroSseprrvaiyc/eMsa,sswaSspepcetrrfoomremterdy."

AR226-2075 SEfiX-VOLAHLES ELfc :'"t.

AR226-2171 ^'y Debbie J Mulrooney 08/02/2001 10:52 AM To: cc: Subject: carrington@mail.dep.state.wv.us Chris E Shoop/AE/DuPont@DuPont, Robert L Ritchey/CL/DuPontQDuPont, Robert F Pinchol/DEV/AE/DuPont@DuPont, Kart G Kronberg/AE/DuPont@DuPont, Andrea V Malinowski/AE/DuPont@DuPont Building Pile Chris, Here is a preliminary building file.

AR226-2218 c.h"SE-sh^p-11/-29000'1 "^p6 AM To: cc: Subject: Oebbie J Miilrooney/AE/DuPont@DuPont Re: Revised Spreadsheet [j Debbie, The semiworks facility has been operating since long before the permitting regulations were in place.

BACKGROUND AR226-2412 JL^(^* WHAT IS C-8?

AR226-2570 j^drewSl^artten^ _____ To: Mary A Kais6r/AE/DuPont@DuPont cc: John R Bowman/AE/DuPont@DuPont Subject" Sampling Program 'l6/6T/2Mr05T6'2 PM t Mary, I'm a little concerned about the decision to contract Battellle to provide sampling services related to the Consent Order.