qrr Charles Auer 05/16/2000 11:11 AM RECEIVED O P P T HC1C 2000S E P -6 PH 12: 57 e2G 0 6 2 - 3 To: cc: Subject: Barbara Leczynski/DC/USEPA/US@EPA, Mary Dominiak/DC/USEPA/US@EPA, Frank Kover/DC/USEPA/US@EPA, Ward Penberthy/DC/USEPA/US@EPA, Karen Lannon/DC/USEPA/US@EPA Phaseout of PFOS fyi Forwarded by Charles Auer/DC/USEPA/US on 05/16/2000 11:17 AM Charles Auer 05/16/2000 11:06 AM To: Charles Auer/DC/USEPA/US@EPA, blnetti@iss.it, John.Bucdnl@ec.gc.ca, "IMCEAFAX-3001+5ECHADJICHRISTIDI+2C+20Konstantina-fax+5E3A23+5E3018662968+5E"@oecd.or g, shchung@me.go.kr, theresa.gilgallon@cec.eu.int, addeke@lss.it, karen_florlnl@edf.org, amst@baua.do.shuttle.de, bjorn.hansen@jrc.it, hasa@env.cz, mark.hyman@ea.gov.au, "IMCEAFAX-3001+5EICONOMOU+2C+20Maria+5E3A23+5E3016465123+5E"@oecd.org, geir.jorgensen@sft.telemax.no, Rainer-Kurt.Koch.RK@bayer-ag.de, Thaly.Lakhanisky@iph.fgov.be, ivarl@kemi.se, majka@bware.imp.lodz.pl, matejova.jana@flora.lifeenv.gov.sk, TM-TNG@mhw.go.jp, laurence.musset@environnement.gouv.fr, jrn@mst.dk, esa.nikunen@vyh.fi, caria.piccinni-leopardi@cec.eu.int, raimund.quint@bmu.gv.at, rosenbaum@biac.org, esilber@epi.umaryland.edu, urs.staempfli@buwal.admin.ch, nagata-reiko@miti.go.jp, roger_tregunno@detr.gsi.gov.uk, Hty@mst.dk, ungvary@elender.hu, kees.van.Leeuwen@rivm.nl, vickersc@worksafe.gov.au, jwillis@unep.ch, younesm@who.ch, Dian.TURNHEIM@oecd.org, Naoyuki.YASUDA@oecd.org, Lesley.ONYON@oecd.org, Oscar Hernandez/DC/USEPA/US@EPA cc: robert.visser@oecd.org, robert.donkers@cec.eu.int, Susan Wayland/DC/USEPA/US@EPA, William Sanders/DC/USEPA/US@EPA, Pep Fuller/DC/USEPA/US@EPA, milroy.breck@epamail.epa.gov, ig232001@wp-gate.bmu.de, Priscilla Flattery/DC/USEPA/US@EPA Subject: Phaseout of PFOS I would like to draw your attention to an important development in the US which concerns a persistent, bioaccumulative, and toxic chemical.

-f\ R o iQ _ o s rs ~ PFOS Pharmacokinetic - 7 000223 C O V iH tfc I ^ the development services company Covane Laboratories Inc.

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AR226-1382 firRZ.6^ ISA OUTLINE OF C-8 BLOOD SAMPLING PROGRAM The sampling program to determine levels of C-8 in employees' blood has several purposes.

AR226-1403 mm INTEROFFICE MEMORANDUM - Iif03 Date: Fronts Dept: Tel No: 0 1 -Apr-1991 11:07 am VMSMail User ANDERSWP ANDERSWPISCDCVM2SCDCIL10MRGATE 3: BERGAS<?

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9 PP AR226-1531 Environmental Toxicology and Chemistry, Vol. 22, No. 1, pp. 196-204, 2003 2003 SETAC Printed in the USA 0730-7268/03 $12.00 + .00 BIOCONCENTRATION AND TISSUE DISTRIBUTION OF PERFLUORINATED ACIDS IN RAINBOW TROUT (ONCORHYNCHUS MYKISS) Jo n a t h a n W .M a r t in , * !

RECEIVED OPPTHCIC 2803 OEC 17 AH Ih OU 4* * 426- /547 Du P o n t H u m a n R e s o u r c e s Wilmington, Delaware 19898 cc: G .A.

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AR226-1747 PFOS: A DIETARY LC50 STUDY WITH THE NORTHERN BOBWHITE WILDLIFE INTERNATIONAL LTD.

Northwest Bioanalytical Study No.

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TOXICITY TO AQUATIC PLANTS TEST SUBSTANCE_________________________________________________ Identity: N-ethylperfluorooctane sulfonamidoethanol; may also be referred to as N-EtFOSE Alcohol or FM-3422. (1-Octanesulfonamide, N-ethyl1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-N-(2-hydroxyethyl)-, CAS #1691-99-2) Remarks: Material is an off-white, waxy solid of uncharacterized purity: The limited water solubility of this material prohibited a definitive determination of the aquatic toxicity.

SEVERN TRENT LABORATORIES ANALYTICAL REPORT JOB NUMBER: 244403 Prepared For: Weston Solutions, Inc. 1400 Weston Way Building 5-2 West Chester, PA 19380-1499 Project: Confidential Decatur - FC Investigation Attention: Jai Kesari Date: 02/28/2006 Signature Name: Richard C.