me and Medical Discos MR226- -- 1l0o 22 ar Smt.PnauliMNe$51;333220 } ) me ts 3M May 24, 2001 Se"7na-os:or- 00373 UBUTR An Simi Carine| BEHP-F0-37 0OsMtSuse sw ERR Dear 8() Coordinator: believed to represent information which meet the reporting threshold for section8()of 2, 5, and 20 parts per million (ppm) plus an additional "recovery" group at 20 ppm for Soman, Ts sa on one orvotes Tap, Regards, Z Zabel, MD MPH StaffVice President & Medical Director e: Dr.

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Telomer Research Program AR226-1432 Report Title: 1-Decanol, 3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-heptadecafluoroTerrestrial Plants Toxicity, Seedling Emergence RECEIVED OPPT NCIC 2003 July 18 1:00PM Author(s): Silke Fiebig Contractor: Dr.

" AR 236. 150] Ohio EPA Division ofAir Pollution Control .

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3 BACK TO MAIN Pace Analytical Services, Inc. 1700 Elm Street , Suite 200 Minneapolis, MN 55414 Phone: 612.607.1700 Fax: 612.607.6444 3M Multi-city Food Study Project Date: December 4 - 8, 2000 Prepared by: Pace Analytical Services, Inc.

STUDY TITLE Extraction of Potassium Perfluorooctanesulfonate from Mallard Serum and Mallard Liver for Analysis Using HPLC-ElectrosprayiMassSpectrometry DATA REQUIREMENTS Analytical Method Requirements STUDY DIRECTOR Sean Gallagher STUDY COMPLETED ON September 06,2001 -PERFORMING LABORATORY / TESTING FACILITY Centre Analytical Laboratories, Inc.

AR226-2101 -'iiaWC^l.i.S^.;,- - -i ijT-r-n';' I- -i tri-"~;.Taf"'--iTtrt 17-r-"-""-""" ^^--'^^rni"''""!?'

AR226-2258 y Todd M Krieger 02/20/2002 12:33 PM To: cc: Subject Steven H Swearingen/AE/DuPont@DuPont Debbie J Mulrooney/AE/DuPont@DuPont.

internCaolrrespondence August2000 Memo to Filere: OUS pooled samples Pursuanttoa review of my filet,hereareraw dataforseveralotherpooled human sera sample resultsforPFOS datingfrom 1999.

ATTACHMENT TO LETTER TO C.

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CaApndorteesV.GoMuarlsienlowski VoiumtaogritotennOtfc Bosngs W0imnregeoer0,te1.o56n%mea `nde nanowsiusa dupont om Em October 16, 2006 VIA FEDERAL EXPRESS TESPACAEaDsotc--uRmeonotmP6r4o2ce8ssing Center (7407M) AUtSt.n: EnSvecitrioonnme8n(te)al~ PFrYo1teCctoioorndiAngaetnocry W1a2s01hiCnogntsotni,tuDt.iCo.n A2v0e0n0ue4,33N0W2 Phone: 202/564-8940 NocBI Re: PFOA (perfluorooctanoic acid) and PFOS (perfluorooctanesulfonate) Sampling Pascagoula, Mississippi Baseline Study/Report (October 2006) Dear FYI Coordinator: YPoleuarseconfivnednieennccleo,seadcaopcyoopfyhoifstehnetiarbeosvueb-mdiesnstiiofnieid astlusdoyp,rosvuibdmeidttoend tfhoereynoculrosiendfoCrDm.ation.

p. 1 Katherine E .

"McCrea, Deborah" <rnccrea@taftlaw.com> 08121/2009 10 :52 AM To NCIC OPPT@EPA cc "gilott, Robert A."