P. 1 ~R a~6 ^ 3.~'9a INVESTIGATION OF PERFLUOROCHEMICAL (PFC) CONTAMINATION IN MINNESOTA PHASE ONE Report to Senate Environment Committe e Fardin Oliaei, Ph.D., Former Emerging Contaminants Program Coordinator Don Kriens, M .S ., P.E., Principal Enginee r Katrina Kessler, M .S., Staff Engineer February 2006 ~~.-~, f ?

Forschungsrat Kltetechnik e.V.

3M Corporate Toxicology and 3M Center, Building 0220-06-E-0 3 Regulatory Se rvices St .

6" 3 77,,-) p. 1 -~ V ~2 ~ ACUTE TOXICITY TO THE FRESHWATER AMPHIPOD (Hyalella azteca) TEST SUBSTANC E Identity : Perfluorooctanesulfonate ; may also be referred to as PFOS or FC-95 . (1-Octanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro-, potassium salt, CAS # 2795-39-3 ) Remarks : The test substance is a white powder .

dyneon February 1, 2006 A 3_~1 Compan3, February 1, 2006 MNriereh.eRRnoognn@gganCCthhkecnniggnteplast com rcheng@amj k.interplast.

seFFnrrootmm::: TocSToe:e:nt: SAuSCtbtucja:becjehccmtte:nts: Attachments: CCFrrriiisdswaweyl.ell,lJ, uRRnooebbe1er3rt.t 2008 8:38 PM 'FL"BByriiinlldlnaK,Kyee,MeeiJggcuaahnnanee(l(1BB3iISi,ilI@2s@0S,S0KK8ABiB8InIaN:N3rGC8s..Pcc(ooMPmmC))A:';)'v:JiimWmeKtKozotstsstmmeinitt,hh DGGorrukkgoctst(mMsPimtChi@ At)nm@mmmm.ccoomm)' CLCCyooonvmmnem,mreMeinnitc3tshs1aooennVl;aFFuSoloittltihhsc,EEoAnnmvinvmiiaerrornosnntmm(sMeendPnotcCtaa.lAl )SII;nnKWffrBraae&sstt3tzrrsuMutccettciuunorr,emeDmRReoeeunppgotorsr(ttMd((oP3c3MC:4AVV)aauultlt)) Cover ltr 3M Vault comments.doc; SKB&3M comments.doc eAAttmtaascchheeddthaaerreemttahhie bttrruaanhnsmssiitittsaelhelaettlteerIrsaannnddtchcoeommsmimegnneetndtsscooonnpytthhyeeourreewffieelrreernenccceaenddvepp.rroojSjeecactr.t.yEE1aa0cc0hhkoo5ff0yyooluoungw.ill Hrreaeccveeeiiavveegaarehhaaatrrdwdecceookppeyynodof.f tthhBeeossbee items in the mail but this is what is in the signed copy you will receive.

AR226-1030A034 Study Title Microbial Metabolism (Biodegradation) of Perfluorooctane Sulfonate (PFOS) I.

May 1, 2001 CERTIFIED MAIL Document Processing Center (7407) (Attn: Section 8(e) Coordinator) Office of Toxic Substances US Environmental Protection Agency 401 M Street, SW Washington, DC 20460 Re: TSCA 8(e) NOTICE For: Acute Toxicity Honey Bee Studies on Perfluorooctane Sulfonate, potassium salt, CAS# 2795-39-3 Dear Sir: 3M is submitting the results from recent oral and contact acute toxicity tests performed with 1-octanesulfonic acid, l,1.2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-,potassium salt (CAS No. 2795-39-3) - commonly referred to as PFOS - on honey bees.

ARH2 6 _ 0 6 3 7 ACUTE TO XICITY TO AQUATIC INVERTEBRATES (COROPHIUM VOLUTATOR) TEST SUBSTANCE_______________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95 or as a component of FC-201AF. (1Octanesulfonic acid) (CAS # 2795-39-3).

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i 3M Gieneral Oftfices gHQ- OfOl - O i l 5 May 15,2001 3M Center St.

A A&6 - IIH-D Unclassified Organisation de Coopration et de Dveloppement Economiques Organisation for Economie Co-operation and Development ENV/JM/RD(2002)17/FINAL 21-Nov-2002 English - Or.

Andrea V.

I f DuPont Telom er Inform ation Meeting, M ay 2,2003 NAME O RGANIZATIO N A * . /$/& C o n t a in s N o C B I TELEPHONE # E-M AIL ADDRESS in r o r Kobe-W ^ m jlU U ktTc> (+t& ^~Q f< z x c f - ^ w _t I~ 3> U> uNul l/\fw<A- P z-i/ib g rth ;- h fL iA L& iu k.^ VO - V\l /| / Ia ' ,uT X } O** m ^ a A .

M M 6 _ 13> RECEIVED OPPTNCfC ZWJUL-7 AMII: 00 2 May 2003 ToWMUE1:2P.aaS0Ars.0yhEEiPFnnae.gvsnDttinoroson(ymMn, lmDvianaieCilnnaiCktaa2ol0Ad4Pev6reo70nt4eu0ce5t,iMoNn)WAgency From: Katie Smythe, on behalf of the Telomer Research Program Subject: TRP Document Submission cO0sstuo0un1bmd2mbim1eei.shtotanehTldlafhyveoteoksfenattohhlsrweeuemanETdPemaylAsoab8mrefi-oeee2snrrTiaRsneruceelbolsufmemosairiertoctrsnehtBudiPdnAtiroeoAlscgtdhorcmeahomoAninldgi(u(sTeCtcnrRtsaceFPtydin)v,bfCeoytHhrRtehotehefCceooHTlTrlRdoiROwP2PH.i2n)o6g.n[sTDCtuhoAdecSykf#iesntu6aIm7lD8rm:e-3paO9roi-rPe7tsPswTafor-he2ric0thh0e3is-sealso 231))) 4) 5) IAPAP8Sn-uhosq2rylsvuuiaisTfevbyiioecoeilluawdioRlsti-my8taCS,h-te2htarMaaenAbBmdCiilclcioVAirstoonytlahrfncpyiooourolfmhcP:rlo8raePol-Stu:2ropaserelTAsymArsetcuioAslueorsnssteameesyola(elO3fyarr8rB/ae-l2pEATo.Trloccetxosol)iolhclmoi/tleyMra-saBmFaAiaFxllueicadnonchDto-iool:MsneUiocMflrtopreasHthovomiodeleRt SevpeercsteruMmu,Wtataitoenr Wttmhheeeetfshwiaonmodauslelrdadenopadcopkrfptiersnte.dcfiiinlaegtessohaaltohvniangtgtwheeiatchrehtahsdeteurfduhylalssruetmhpeomrbta.erynPealfeniatdsoerfelaleatstehmdoerftiknonavolewrrevpiifeowyrtouoinfnctelhueeddesadtundtooytghoeetbrhjceeocrptiinyveosf, N(yCoouBnIeh)aouvfnetdhaeenryaTtdStaiCfcfhAice.udltfPiiellesesaoscpeoenlnetitanimgnetihnkefnoaortwmtaacithfioeydnoufcillhaeaismv. eedanaysqCuoenstfiiodnenstaiabloBututshineedsoscIunmfoernmtsatoiornif Best regards, TI RP Administrator