AR226-1864 it RESEARCH *, Proven Results

AR226-2258 Todd M Krieger 02/20/2002 12:33 PM To: Steven H Swearingen/AE/DuPont@DuPont cc: Debbie J Mulrooney/AE/DuPont@DuPont, Robert F Pinchot/DEV/AE/DuPont@ DuPont Subject Re: Environmental Impact Study 0 The stack height is 85ft.

AR226-2481 Roger J Zipfel 11/08/2000 02:35 PM To: sham rockl @wirefire.com cc: Subject: Results from extraction studies Jeff, I just got the results of m y extraction stud ies.

AR226-2572 Copy 10 of 20 Laura W alter DECEMBER 2001 GROUNDWATER MONITORMG REPORT FOR W ASHINGTON WORKS FACILITY AND LOCAL.

DuPont Engineering July 22,2002 AR226-2609 DuPontE n fitiwing Borloy M l PIb s - Bldg. 27 Lancaster Pik & Rts.

Society of Environmental Toxicology & Chemistry Summary of DuPont Presentations AR226-3341 SETAC North America November, 2002 Salt Lake City, UT Environmental fate studies of fluorotelomer intermediates used to produce surfactants and polymers. 3 Berti, W.R.1, Wang, N .\ Cobranchi, D.P.1, Larsen, B.S.1, Szostek, B.2, Kaiser, M .A ., Gannon, J.T. and Buck, R.C.

M ai6 J b/ UNEP U nited N ations Environm ent Program m e {a PROGRAMME DES NATIONS UNIES POUR L'ENVIRONNEMENT * PROGRAMA DE LAS NACIONES UNIDAS PARA E l MEDIO AMBIENTE n POTPAMMA OPrAHUSAUH^ 0&-bEflMHEHHWX HAUH* TIO OKPYOKAlCHUEW CPEfiE Secretariat of the Stockholm Convention on Persistent Organic Pollutants International Environment House 11-13, chemin des Anmones CH - 1219 Chtelaine Geneva, Switzerland Telephone: +41 22 917 81 70 Facsimile: +41 22 797 34 60 E-mail: ssc@pops.int Webpage: www.pops.int Geneva, 18 November 2005 Subject: Invitation to submit information specified in Annex E of the Stockholm Convention to the POPs Review Committee Dear Madam or Sir, The first meeting of the Stockholm Convention Persistent Organic Pollutants Review Committee took place on 7 11 November 2005 in Geneva.

<.#\ * 3M Corporate Toxicology and Regulatory Services 3M Center, Building 0220-06-E-03 St.

_News release: Low levels of PFBA found in six cities' wells in southeast metropolitan area 1of 4 5 750 Minnesota Department of Health News Release January 19, 2007 Contact information Low levels of PFBA found in six cities' wells in southeast metropolitan area Levels pose no immediate health risk to residents; source of contamination under investigation The Minnesota Department of Health has detected low levels of the chemical perfluorobutanoic acid (PFBA) in municipal wells in Woodbury, Cottage Grove, Newport, St.

Taft/ Taft Stettinius & Hollister LLP 425 Walnut Street, Suite 1 8 0 0 /Cincinnati, OH 4 5 2 0 2 -3 9 5 7 /Tel: 51 3.3 8 1 .2 8 3 8 /Fax: 513.381.0205 / www.taftlaw.com Cincinnati / Cleveland / Columbus / Dayton / Indianapolis / Northern Kentucky / Phoenix / Beijing R o b e r t a .

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AttacShtmuednitess taondLeOtttehrertoICn.foArumeartidoanteodn MCearyta1i8n, 2000 AR2%6 31 Perfluorooctane Sulfonate-Related Compounds 11.

St 3M KSaalttvhiee PEsRieosn, PhD.

6lef Hs Ee ARARG - 1247 : 3M February 13, 2003 Document Control Office (DCO) OUfSfiEcneovifroPnomlleunttiaoln PPrroetveecnttiioonnAagnednTcoyxics EPA East, Room 6428 1201 Constitution Avenue, NW Washington, DC 20460 (OPPT) VIA FEDERAI EXPRESS FIT -0203_01378 Attention: Docket No.

ve 2 (S&a mor AR R26 _ |3]0 UNITED STATESA ENVIRONMEA NTAL PROTECTION AGENCY APR 11 2003 PREVEONRTICoONnSUcFBeESSoTTArINIGOEESS NO MEMORANDUM = SUBJECT: Mecting Summary: March 14, 2003 Discussion between EPA andthe Environmental Working Group 5 ~B FROM: TO: Charles M.