AR226-2324 / Charles J Zarzecki 04/03/2003 01:34PM To: cc: Subject: Catherine A Barton/AE/DuPont Re: Beychok Article Q Cathie, I think they are really not 2separate issues- Part of the work is to look at future (raiment issues, and part of the work is to develop the required input parameters for c8 for the TOXCHEM model, which will be used to estimate c8 emissions from the wastewater treatment tanks.

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> AR226-2387 Polymer Products Department Research and Development Division Experimental Station cc: S.

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.

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sipf AL R26 0620 RECEIVED OPPT CEC WIKAR20 ANIL Sulfonated Perfluorochemicals in the Environment: Sources, Dispersion, Fate and Effects Prepared by 3M March 1,2000 * 000002 Table of Contents 1.0 PREFACE . 4 2.0 EXECUTIVE SUMMARY 5 3.0 INTRODUCTION TO FLUOROCHEMICALS 9 4.0 PHYSICAL-CHEMICAL PROPERTIES OF FLUOROCHEMICALS 13 5.0 ANALYTICAL TEST METHODS FOR FLUOROCHEMICALS 7 6.0 SOURCES OF FLUOROCHEMICALS 19 61M6.a1n1uWfaasctteurSitnregaWmaCshtaeracStterreizaamtsion 612 Air 222 66..1134 WSaosltiodwWaatsetre 2 2 62 Supply Chain Waste Streams u 63Releasesfrom WasteTreatmentandDisposalMethods u 7.0 ENVIRONMENTAL TRANSPORT AND DISTRIBUTION 2 8.0 ENVIRONMENTAL SAMPLING FOR FLUOROCHEMICALS 27 8.18E.1n1viHrisotnomreicnatlaDlaLteavels

} AR226 - 067Y Centre Analytical Laboratories, Inc. 3048 Research Drive State College, PA 16801 Phone: (814) 231-8032 Fax: (814) 231-1253 or (814) 231-1580 Analytical Report Fluorochemical Characterization of Surface Water Samples Pensacola, FI (W2176) Centre Analytical Laboratory Report No. 023-014C Testing Laboratory Centre Analytical Laboratory, Inc. 3048 Research Drive State College, PA 16801 3M Environmental Laboratory Contact Kent R.

Lo ARRRG- 0688 SAGUEMNMCAYRYFOFRORMIWLOITRAKRYPTEERCFHONROMLEODGFYOARNTDHPERGOECRUMRAENMGEONVTEORNNFMIERNET EXTINGUISHING FOAM COMPOUNDS FROM MULTIPLE COMPANIES TEST SUBSTANCE Identity: AbemirxefteurrreedcotnotaaisniPnFgOSPe,rfFlCu-o9r5o,ocotranaessualfcoonmapteo,newnhticohf mFCa-y2a0l0s.o (1-Octanesulfonic acid) (CAS # 2795-39-3).