AR226-2568 1 Privileged andDCraofnt f5id/1e8n/t0ia1l Attorney Work Product Preparedin Anticipation o flitigation W VDEP/DuPont Meeting June 13,2001 For DuPont: For WVDHP: Andrew Hartten (C RG ) Bob Ritchey (W ash, Wrks.)

M in - <2743 PA TAT TO RTNOE YNS BU 0LGAW6S LIP Re Hy c P Je i (v ers d 1~ 2-Ol* OEC - 7 PM 58 December 7, 2004 255D M Street, NW Washington, DC20037-1350 202-457-5000 Facsimile 202-457-63'5 www pattonboggs.com SC_ fr.oio ~n pP(2reo0t2be)rer4Dt5s.7oR-n6@o3b2pe0rattstoonnboggs.com JCTO COhffaircleesoMf P. oAlluuetrion Prevention and Toxics (OPPT) UEW12P.Sa0A.s1hECEinnaogvsntitorsotnin,tumDtie.oCnn.taAl2Pv04erno6ut0eec.tNioWn Agency 8EHQ-04-15856 8 E HO 04 15 8 56 Re: TFSuuorbxtimhceoirslsoDigouynP. tPoonhAtaRrVm-o2la2uc6notkaanirndyeRTticSessC.pAFoan8ts(eee)atnoOdEffTPicrAea'nssNpoorvte.mPrboedru4c,t2C00o4ntRameqiuneastiton Dear Charlie: r TDsuhubePmaoitnstsati'coshngeodoofddcoefcarutiatmhineenmftfaoptrertoritdaoul.rcetsiopnonadndtoinEfoPrAm'satNioonvseumbbmeirtt4e,d2w00it4hrtehqisuelesttteforrrevporleusnetnartsy Modified Timeline for Submissions Piminnuoffroodsrriummfaieaandtttii.ootonnItdtaihiscsaccotouuyrsrdosiiuunonrgndostefobfrisetctthaeweniednfeioitnnlilagoEllwtyPhiAarnetgqaytunoiemdusrectelooidnfufenbi:cseeeslnufobowmr DiwttuoePudolbdnytl,iDkteheecreetcimmeibveeelirnt6he,ef2or0er0qs4uuehbsamtseidsbseieonn of pOhnaromrabcyokDienceetimcsb,ears7w,e2l0l0a4s i-nfsourbmmaitsisoinononoffaatlleHanasdkterlalnrseppoorrttsanodn ptorxoidcuoclotgcyonatnadmination dOoncuomr beyntDs eacnedm/obrerre1p0o,r2ts00(u4n-desrulybimngissdiaotna otof boeccsuupbamtioitnteadl baltoaoldatmerodnaittoe,ritnogbseumdemtearrmyined) bOlnooodrmbyonDiteocreimngbe(ir.e2.,4i,n2d0u0s4tri-alshuybgmieisnseioanndofepoicdceumpaiotiloognyal) monitoring reports other than 89050000111/S 89 O 0!

ECOTOXICITY PROFILE OF 1H,1H,2H,2H-PERFLUORODECANOL Voiksr Koch1,William R BertP, Robert C Buck2,John Gannon2, Robert A Hoke2, Hiroyuki iwai3, Mary A Kaiser2, Seiji Shinya4, Ning Wang2 Teiomer Research Program 1Clarlant Germany, 2DuPont USA, 3Daikin Japan, 4Ashai Glass Japan -- AR226-3358 SYNTHESIS OF PERFLQROMiNQLS (TELOMER ALCOHOLS} pH,1H ,2H.2H-Perfluorodecanol, C A S No. 678-33-7 (6-2 Teiomer ilcohol) Is an Important speciality Intermediate.

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

Katherine E.

P-1 COMPANY SANITIZED - Does not contain TSCA Confidential Business Information (CBI) DAUUN AZza _ 3730 fi o>2 <> DAIKIN AMERICA, INC. 905 State Docks Road (35601) P.O.

P -1 ; 4 /U Z '- 3 1 Z 2 J AXYS METHOD MLA-031 Rev 01 PFOS S i m Fon 1AI2 ~ PERFLUCffUNATEO SURFACTANT ANALYSIS RETORT C L IE N T I): Sampla Collection: OB-Mar-2005 11.-00 Lab Name: AXYS ANALYTICAL SERVICES Contract No.: 191 Lab Sample 10: L7652-27R2 Matrix: SERUM Sample Size: 100 mL Sample Receipt dele: 10-Mar-2QQS Initial Calibration Dale: BRACKETING CAL Extraction Oats: Analysis Date: 21-Apr-2005 22-Apr-2005 Time: 1:37:18 Im liumani ID: LC Column ID: LC-MSVMS CIB.ZorbaxXDB Extract Volume (mL): 2 Sampla Daiaflle: PFSSG_858S047 Injection Volume (jjL): 30 0 Blank Data Filename: PFSSGJD58S026 Dilution Factor: Concentration Units : N/A ngML Multiple CaL data FBenamss: PFS5G_058S029 PFS5G 0S8SO38 PFS5G_058S050 COMPOUND LAB FLAG' CONC FOUND DETECTION LIMIT RETENTION TIME PFPaA PFHxA PFHpA PFOA PFNA PFDA PFUnA PFDoA PFBS PFHxS PFOS U U 0839 786 1.07 0.488 0.198 0044 0.117 173 112 0312 0.103 00608 00510 00417 0.0168 00079 00102 00588 0.128 0204 387 538 5.73 606 6.40 6.76 304 552 622 LABELED COMPOUND 13C-PFOA 13C-PFDA LAB FLAG' SPIKE CONC.

INTERIM REPORT #26 - Analysis of Groundwater Samples STUDY TITLE Analysis of Perfluorobutanesulfonate (PFBS), Perfluorohexanesulfonate (PFHS), and Perfluorooctanesulfonate (PFOS) in Water, Soil, Sediment, Fish, Clams, Vegetation, Small Mammal Liver and Small Mammal Serum Using LC/MS/MS for the 3M Decatur Monitoring Program DATA REQUIREMENTS EPA TSCA Good Laboratory Practice Standards 40 CFR 792 STUDY DIRECTOR Jaisimha Kesari P.E., DEE Weston Solutions, Inc. 1400 Weston Way West Chester, PA 19380 Phone: 610-701-3761 INTERIM REPORT COMPLETION DATE January 9, 2007 PERFORMING LABORATORY Exygen Research 3058 Research Drive State College, PA 16801 Phone: 814-272-1039 STUDY SPONSOR 3M Company 3M Building 0236-01-B-10 St.

Katherine E.

TestAmerica THE LEADER IN ENVIRONMENTAL TESTING ANALYTICAL REPORT PFOA/PFOS Analysis Lot#: D8E020218 William Grennille Town of Newton 39 Trinity Street Newton, NJ 07860 TestAmerica Denver Michelle A.

P-1 "McCrea, Deborah" <mccrea@taftlaw.com> 10/29/2009 10:08 AM To N CIC O P P T @ E P A c c "Bilott, R o b ert A."

Company Sanitized.

3M ENVIRONMENTAL LABORATORY REPORT NO.

INTERIM REPORT #1 - Analysis of Decatur Surface Water and Sediment Samples STUDY TITLE Analysis of Perfluorobutanesulfonate (PFBS), Perfluorohexanesulfonate (PFHS), and Perfluorooctanesulfonate (PFOS) in Water, Soil, Sediment, Fish, and Clams Using LC/MS/MS for the 3M Decatur Monitoring Program DATA REQUIREMENTS EPA TSCA Good Laboratory Practice Standards 40 CFR 792 STUDY DIRECTOR Jaisimha Kesari P.E., DEE Weston Solutions, Inc. 1400 Weston Way West Chester, PA 19380 Phone: 610-701-3761 INTERIM REPORT COMPLETION DATE March 18, 2008 TESTING FACILITY MPI Research, Inc. 3058 Research Drive State College, PA 16801 Phone: 814-272-1039 STUDY SPONSOR 3M Company 3M Building 42-02-E-27 St.

3M Specialty Materials 3M Center St.