3M MEDICAPLroDtoEcPolAfRoTr MStEuNdTy,NoC.OTR-7P1O32R.2A;TSET-T3O9XICOLOGY PHARMSTA UDYC OFPO ERFK LUOI ROOCNTANE ESUT LFOI NAMC IDE INRATS TSchlpereaarogabunjeceecDtaainvwedloebfiyotrlhaoitgssisctaaufldtpyeearrisssitiosntageslnesceeoosrasflPtdehoerspfeol.tueoAnrntoailoayclstfiaosnorefoStauhlleafbossneoarrmupimtd,ieov(neP,ruF,rOuirSniaArn)yeaainnnmddafrfosoceasl PmfeoFrtOhpoSodtAesn.itsiPatrlheemveiutolautbisomslatitutedeimseesotoafbfPotFlhiOetSeNA-inetwahitylsllb(de1e,rp2i)ev;rafhtoiovrwemeoevfdebrP,yFLtOhCeSMAanSahlayavtniecdaclpoetnrechclahupiosqdoutdehheeurtsed in PptehFreOfsleSsutAourdotiooecrstwaenaesssultuofhnoialnbalitvesetse(ouePdFeaOtnSed)cs.teaaNlrlocphpofthoearnrtmioaatclhoemkreitpnaoebstosiilcbiltseteu,mdeiitenascblohuladivitenegsyeitnbteheenurdionneesocna lafeenvcdeelst.

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gr 25, 1399812:41PK POREDICAL 220 ZF 02c@oucuTess + E7zi77s %0. 0773 5253 ' REPORT EVALUATION OF THE MUTAGENIC ACTIVITY OF 1.6506 IN AN JVNITRO MAMMALIAN CELL GENE MUTATION TEST WITH L5178Y MOUSE LYMPHOMA CELLS (WITH INDEPENDENT REPEAT) NNOOTTOOXX SPurbosjteacntce22738475481 * page 1 of 31 - , ~ ._ 738 MZ emiroars ag i asa samen2een i : ry i --_--r-i80b i 001362 UN 25, 1398912: 41PM POHEDouICAL 220 JFE Q2ENMOUTERSTERS+ 67331773 Ho.0mE3 E3 T-6906 S-T_ATEMENT OF GLP CoupLIANCE NOTOX Project 223458 !

- IB AR226-1389 | | | .

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WATER SOLUBILITY (BY ANALYSIS OF TOC) ITEEsSTTSSuUBBsStTANNCCEE 000 Identity: PPeOrSfFl,uoorrooFcXt-a8n.es(i1f-oOncytlafnleusoruildfeo;nmyafyluaolrsidoe,be referred to as 315.172)..2.3.3,4,45,56,6,7,7,8,8,8-heptadecafluoro-, CAS # 307- Remarks purity.

BEHR - 0800-373 75 OAR26-0958 ogy AL Draft Report ". ;: 26-Week Capsule Toxicity Study with Perfluorooctane Sulfonic Acid Potassium Salt (PFOS; T-6295) in Cynomolgus Monkeys ePa-OTS Le : 000811795V i g & =z PREPARED FOR: TM COVANCESSTUYDY NUMBER: VOLUME 3 ox 1] 2x 33% 2 CL 003138 SOVANTETM Sponsor: 3M St.

ENVIRONMENTAL PHYSICAL/CHEMICAL, FATE, EFFECTS AND MONITORING STUDIES BIODEGRADATION BACK TO COMPOUNDS STUDY TITLE COMPOUND LABORATORY REPORT NUMBER SUMMARIES Biodegradation Executive Summary The Aerobic Biodegradation of N-EtFOSE Alcohol by the Microbial Activity Present in Municipal Waste Water Treatment Sludge N-EtFOSE E00-2252 Robust Summary The 18-Day Aerobic Biodegradation Study of PerfluorooctanesulfonylBased Chemistries 18 Day PFOS 18 Day PFOA 18Day FOSA 18Day N-EtFOSAA 18 Day N-EtFOSA 18 Day N-EtFOSE The 35-Day Aerobic Biodegradation Study of PFOS PFOS E01-0415 E01-0444 Robust Summary Robust Summary

j NorthwestBioanalytical f RSetpuodryt NNoo..NNWWB'BRS0010--006951 Quantitative Determination of PFOS and Related Compounds Serum and Plasma by LC/MS/MS in Human Sample Analysis Report EPI-0012 for Protocol Northwest Bioanalytical (NWB) A Division of NWT Inc. 1121 East 3900 South Salt Lake City, UT 84124 PREPARED FOR: 3M Company Epidemiology, Medical Department 220-3W-05 St.

ACHARLESRIVER COMPANY PATHOLOGY PEER REVIEW REPORT 26-WEEK CAPSULE TOXICI(TAYPFSOT)UIDNYCWYINTOHMAOMLMGOUNSIUMMONPKEERYFSLUOROOCTANOATE `Covance Study Number 6329-231 OBJECTIVE oaAbnjmdeicctthrieovsetcwooopfiactnhipemeaerlresvritehevawitewhwaaodsfattnhoeucnaoslncfthiiesmdsuuaelsneddfrsfoaucmrrtiahlfleircheie(gl1hu0-c5idd7oa2st1ee aainnfidmpao1ls0ss5,i7bsl2ee4,l)ewctatheosd spcaeotrntferodorlmceadan.uismoaTlhsoe,f moriboufnandimialys 105721 and 10724.

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AR226-2653 43 AR226-2653 ISC Modeling Methodology and Results Introduction This report summarizes dispersion modeling that was completed for the DuPont Washington Works facility to demonstrate that the emission limits included in Permit Application 1823C for the Thermal Converter complies with the C-8 assessment oftoxicity (CAT) recommended airborne screening level of 1.0 ug/m3 at the property line fence.

FOR bU FONT USE ONLY AR226-2885 Copies to' E.