AR226-3363 Society of Environmental Toxicology & Chemistry Summary of DuPont Presentations North American World Congress November 13-18, 2004 Portland, OR Biotransformation of "C-labeled Fluorotelomer substances by microorganisms from activated sludge or soil.

3M SpecialtyMaterials May 23,2000 3M Center St.Paul,MN 55144-1000 651733 1100 Dr.CharlesAuer,Director Chemical ControlDivision OfficeofPollutionPreventionand Toxics UnitedStatesEnvironmentalProtectioAngency 401 M StreetS,outhwest Room 403,EastTower (MailCode 7405) Washington,D.C. 20460 Re: Informationon PerfluorooetanSeulfonates and RelatedCompounds - AdditionalInformation Dear Charlie: Iam enclosingadditionailnformationthatdidnotgetsubmittedwiththerecentMay 18,2000 submittaltoyou on perfluorooctanseulfonateasnd relatedcompounds.

ATTACHMENT TO LETTER TO C.AUER DATED AUGUST 31,2000 SUPPLEMENTAL SUBMISSION N-ETFOSA N-ethylperfluorooctanesulfonamide AcuteToxicit 1.

UNITED ADVANCE ENGLISH COP Y NATIONS P.

FTor:om: "BLeatutryaBoVraonschRo@uamswastear.s@tcaotdm>reusp SDuabtjee:ct: PWeFdO,ADec 26, 2007 10:A23 Hope you re enjoying tha holidays.

~ "( l`~ 3` _p( 1I ~ ~ "McCrea, Deborah" <mccrea@taftlaw .com> 08/13/2009 02 :41 PM To cc bcc Subject NCIC OPPT@EP,A "Bilott, Robert A."

Taft/ Taft Stettinius & Hollister LLP . 425 Walnut Street, Suite T800 /Cincinnati, OH 45202-3957 /Tel : 513 .381 .2838 /Fax : 513 .381 .0205 /www .taftlaw.com Cincinnati /Cleveland /Columbus /Dayton /Indianapolis /Northern Kentucky /Phoenix /Beijing ROBERT A.

From: To: CC: Sent: Subject: Barylski Doug J NSSC #NSSC SEA05L4; DiValentin Mario NSSC; Wang YeLing NSSC amaranghides@castor.nrl.navy.mil; 'Ron Sheinson' 6/1/2001 4:21:02 PM AFFF environmental update This correspondence is provided to disspell rumors regarding the banning of AFFF.

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06/15/2000 ENVIRONMENTAL LABORATORY ARCHIVED FINAL REPORT B A C K TO MAIN AR226-1030A029 LAB REQUEST NO.

BACK TO MAIN Laboratory Report-Revision 1 Analytical Report of Data for PFOS Dietary LC50 Study in Northern Bobwhite (Sera and Liver) Laboratory Report No.

BACK TO MAIN Study Title Microbial Metabolism (Biodegradation) of Perfluorooctane Sulfonate (PFOS) I.

BACK TO MAIN 3M Environmental Laboratory Report No.

STABILITY IN WATER (PHOTOLYSIS) TEST SUBSTANCE Identity: Perfluorooctanesulfonate-potassium salt.

ARM-Ool'l Study Protocols/Proposals of Ongoing Research 1.