News release: Low levels of PFBA found in six cities' wells in southeast metropolitan area P ;PgJ I of 4 ~<222(_ ~ 7.50 4;V~ '~ . ~.,:, < . .

E054210 Interim Re ort #I8 Notthem Alabama Potable Water Systems, Decemger 2005 Interim Report #18: Analysis of Water Samples from Northern Alabama Potable Water Systems, December 2005 Study Title ANALYSIOSF PERFLUOROBUTANESULFON(PAFTBES), PERFLUOROHEXANESULFONATE (PFHS), AND PERFLUOROOCTANESULFONATE (PFOS) IN WATER, SOIL, SEDIMENT, FISH, CLAMS, VEGETATION, SMALL MAMMALIVER AND SMALL MAMMASLERUM USING LC/MS/MS FOR THE 3M DECATURMONITORINGPROGRAM Data Requirement EPA TSCA Good Laboratory Practice Standards 40 CFR 792 Author Michelle D.

3M General Offices 3M Center p. 1 St.

M- INNESOTA (~ QD) ures Minnesotarsncomsarrer Pollution Control Agency SPECIAL"REPORT =J YUE Use off tthhe MMiinneessootta Ennvviirroonmmeennttaall Reessppoonnssee,, "CThoeoMmminpnepesoentansEsanvatirtioimoenntalaRenspdonsCCe noodmmLipabplilliitiyance AAccccoouunntt ((SSuppeerrffuundd)} The Minnesota Environmental Response and Liability Act (MERLA) of 198 cabled the Emvironnensl IN GL ARecstp(oMnsEeR,LCA)oofm19p83 eesatannbdlisCshoemadplthtieaEnicnevoAircocnnomu.ennttal [AAA UMA MERLA Account Expenditures and Income for FY 2002 (RC(AoencsAtcprooocunlnsAect)g,aaCeonnnoddcmuayauput(enthhnMoosrPtariCitzzieA)oed)nd,tttahhoneeMsdMipCneinnonednmseofpsutloinatadansPPcoreolAlloluumcttciitooohunnent PBBaaollaaPnnicceeoFFYooerrawwraarArdddi77-t11.m-0e011ot Sine.000 240000 AChAacoczccnaootrurudonnolttuAsttogoiseninnvcuveysetsb(itMiggasPattCoeetaArann)caddotoncnctsllaepemcaaeinnnnedaupnpftusrrsnee.dlleseaafssreeossmooffthe Plus Prior Year Adjustment -- Adjusted Balance-- Forward -- 10839000 Adjusted Balance Forward 240,000 hazardous substances or contaminants.

DDEEPPAARRTTM MEENNTT OOFF HHEEAALLTTHH Health isk Assessment UnHHie,eaaElltnthhviBBraaossneemddeGnGutiuadildaaHnnecaceletffhoorDriW Wvaiatsteoenrr Health Risk Assessment Unit, Environmental 6512014899 Health Division 651-201-4899 WWeebb PPuubbliliccaattiioonn DDaattee:: AAuugguusstt 22001177 TTooxxiiccoollooggiiccaall SSuummmmaarryy ffoorr:: PPeerrfflluuoorroobbuuttyyrraattee cCaAsS:: 337755-.2222-44 SSyynnoonnyymmss:: PPeerrfflluuoorroobbuuttaannooiicc AAcciidd ((PPFFBBAA)),, PPeerrfflulouroorbuotbyuritcyaarccididc,, HHeepptatafflluuoorroobbuuttyyrriicc aacciidd AAccuuttee NNoonn--CCaanncceerr HHeeaalltthh BBaasseedd VVaalluuee ((nnHHBBVVAaca~ete)) == NNoott DDeerriivveedd ((IInnssuuffffiicciieenntt DDaattaa))** "a*While nWdhailsesaudmdeeevsveeslltooeppammdeyennstttaaalltsscttuoudnddyyiiitsiaaovnvasatiihlaaabbtlleecffaoonrrnPPoFtFBBbAA,e, aaachhhuuimmeaavnne eefqrquouimivvaaalleeonnnt.t dddooassyeee((xHHpEEoDDs)u)rffeoo.rrmmBssastthehed a bbaaassissmnooeffattnhhehrrueemffeaerrneennhcceeaddloofstesee.of e3a3snddtdaaiyymassasstssteuteemeaaedsdsyys-tssthtetaaaanttdeesytccesooatndnayttdeiistitocooanntnssedwwitdoiooouusnllesddsbtbhieseaentesocsttataaanbbvnllaiossithhaebebleddewawicTiththhhieiinnvseh~d5o9-rftr-11o55emrdaaamyysosH.n.AeAAL-ttdaatsthhyseeeesppxsrrpmeeoessseneuntnrteti.ttnim icBmoaerespetothhdraeoteniinnfafoomrirmnmefaaaotntriiomohnanutmninoeeanccneerssehssgaaaalrrfryy-dliittfoenogof developmental effects estimate less than steady-state doses is not available.

BACK TO MAIN 3M Environmental Laboratory Report No.

BACK TO MAIN Fluorochemical Decomposition Processes - April 4,2001 David A.

3M Medical Department Study: T-6889.3 Analytical Report: FACT TOX-026 LRN-U2782 Study Title 26-Week Capsule Toxicity Study with Ammonium Perfluorooctanoate (APFO/POAA) in Cynomolgus Monkeys Amended Analytical Laboratory Report Title Determination of the Presence and Concentration of Perfluorooctanoate Fluorochemical in Liver, Serum, Urine and Feces Samples Data Requirement Not Applicable Author 3M Environmental Laboratory Analytical Phase Completion Date June 11, 2001 Performing Laboratories Liver, Serum and Urine Analyses Feces Analyses 3M Environmental Laboratory Centre Analytical Laboratories, Inc.

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RECEIVE^ oppt cbe 2003 OCT 2 9 AH IP 01 AR226-1542 STATUS REPORT COMBINED REPEATED DOSE TOXICITY STUDY WITH REPRODUCTION/DEVELOPMENTAL TOXICITY SCREENING TEST WITH T-7601 ADMINISTERED BY ORAL GAVAGE IN WISTAR RATS November 4,2003 8:25AM NOTOX Project 385717 NOTOX Substance 113769/B Page 1 of 7 T-7.601 NOTOX Project 385717 Study start: Start mating: Necropsy of males Delivery of litters Necropsy of females and pups Allocation: Group 1 2 3 4 Dose level mg/kg b.w.

AR226-1741 Toxicological Summary PFOS Dietary Chronic Definitive Reproductive Study: Mallard 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.

Multiple Chemicals 3M FLUOROCHEMICAL SUBMISSIONS February, 2002 - May, 2004 ENVIRONMENTAL STUDIES Click on Study Title to View Report PAGE 1 Environmental Monitoring 1.