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Description ENCLOSURE 4 of the 3M Decatur Inactive Landfill Containment z2s z-u Structug -4 2"x "13x3rx;-j --3-,~(;.--` ".".

Sponsor: APME Ad-Hoc APFO Toxicology Working Group FINAL REPORT Study Title: 4-Week Capsule Toxicity Study with Ammonium Perfluorooctanoate (APFO) in Cynomolgus Monkeys Author: Peter J.

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Toxicological Summary PFOS Dietary Chronic Definitive Reproductive Study: Northern Bobwhite Test Substance: Perfluorooctanesulfonate (PFOS) Structure: 1-Octanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro, potassium salt.

A-- AR236- (544 STUDYTITLE Extactonof Psassum Perflcrocuncslfose fom gg Membrane, Albumen, and `Yolk for Analysis Using HPLC-Electrospray/Mass Spectrometry DATAREQUIREMENTS Analytical Method Requirements STUDYDIRECTOR - Sean Gallagher STUDYCOMPLETEDON Sepimber 06,2001 = PERFORMINGLABORATORY/ TESTINGFACILITY Conte Ans0o48nRLebsoearrscrhireis,veIn.

AR226-2555 Robert F Pinchot 05/11/2000 07:31 AM To: co: Subject: David M Rurak/AE/DuPont@DuPont, Michael E McCord/ABDuPontQOuPont, Robert J Cavanaugn/DuPontQDuPont, Luk D'Haenens/EUR/DuPontOuPont, Roger J 21pfel/AE/DuPont@DuPont, Anthony J playtis/CL/DuPontDuPont, Arie sl Vermeulen/EUR/DuPont@DuPont, Gerald L Kennedy/AE/DuPont<aDuPont, William R Berti/AE/DuPont@DuPont, John Gannon/AE/DuPontQDuPont, Robert L Rltchey/CUOuPont@OuPort, Andrew 8 HarttBn/A6/DuPont@DuPont, Susan S Mileti/DuPont@DuPont Andrea V Malinowski/A/DuPont@DuPont, Maurice Astorga/AE/DuPont@DuPont, Richard J Angiullo/AE/DuPontQDuPont, Bernard J Reilly/AE/DuPontQOuPont, Gary W Jepson/AE/DuPont@DuPont PFOA EPA Request As many of you know, the Office of Pollution Prevention and Toxics in the US EPA has requested that DuPont supply a large amount of information on Pertluorooctanoate (PFOA or C-8).

Larry R.

T3eMaCrosrporyosrautevToSxerivics ology and 8S1t7aC5l3e, e17B7eFlaxin40200603 SEHR 120500373 ARARG_ 3872 RECEIVED Certified Mail OSDEC-8 AM 6:05 November 29, 2005 Document Processing Center EPA East - Room 6428 Attn: Section 8(e) Officeof Pollution Prevention and Toxics USEPA 1200 Pennsylvania Avenue NW.

p. 1 TAFT, STETTINIUS & HOLLISTER LL P NORTHERN KENTUCKY OFFICE CLEVELAND, OHIO OFFICE SUITE 340 3500 BP TOWE R 1717 DIXIE HIGHWAY COVINGTON, KENTUCKY 41011-4704 425 WALNUT STREET, SUITE 1800 200 PUBLIC SQUARE CLEVELAND, OHIO 44114-2302 606-331-2838 216-241-283 8 513-381-2838 FAX : 513-381-6613 CINCINNATI, OHIO 45202-3957 FAX : 216-241-3707 COLUMBUS, OHIO OFFICE DAYTON, OHIO OFFICE SUITE 900 110 NORTH 513-381-2838 21 EAST STATE STREET : 513-381-0205 COLUMBUS, OHIO 43215-4221 MAIN FS AX TREET 614-221-2838 DAYTON, OHIO 45402-1786 FAX :614-221-2007 937-228-2838 www.taftlaw .co m FAX: 937-228-2816 1-9 c2 a 6 3 ROBERT A . (513) 357-963 8 bilott@taftlaw.com BILOTT !!

European Society for Gynaecological Endoscopy European Chemical Agency (ECHA) To whom it may concern Submission of Evidence of the European Society for Gynaecological Endoscopy regarding the proposed PFAS restriction.

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ARa.2.6 - / r i 7 7I T P' ''7 cCoD ro AMMONIUM PERFLUOROOCTANOATE (C-8) GROUNDWATER INVESTIGATION STEERING TEAM REPORT August 2003 Consent Order No.

NORTHERN KENTUCKY OFFICE SUITE 340 1717 DIXIE HIGHWAY COVINGTON, KENTUCKY 41011-4704 606-331-2838 513-381-2838 FAX: 513-381-6613 DAYTON, OHIO OFFICE SUITE 900 110 NORTH MAIN STREET DAYTON, OHIO 45402-1786 937-228-2838 FAX: 937-228-2816 Robert A.

A * .z 4 > -t 7 z AIR QUALITY DISPERSION MODELING ANALYSIS OF C8 EMISSIONS DuPont Fayetteville, North Carolina Facility Prepared by: Charles J.