A R m - 0 H6f| Attachments to Letter to C.

3M General Offices 3M Center St.

OEPA/DuPont Off-site Water Sampling Review ^ ;:.i .. i: ' - s -" '' -' " ' :.: i;: ' ,'*. ..- ' ...

October 31, 2006 Charles M.

Andrea V.

A t ^ 3-6 "McCrea, Deborah" <mccrea@taftlaw.com> 06/12/2009 03:54 PM To NCIC OPPT@EPA cc "Bilott, Robert A."

P-1 "McCrea, Deborah" < m ccrea@ taftlaw .com > 12/14/2009 03:38 PM To NCIC O PPT@ EPA cc "Bilott, Robert A." < bilott@taftlaw.com> bcc Subject 12/14/2009 Letter To EPA Docket Center f i / L Z I G ' 3> 9 x l Taft/ Deborah McCrea / Legal Assistant Taft Stettinius & Hollister LLP 425 Walnut Street, Suite 1800 Cincinnati, Ohio 45202-3957 Tel: 513.381.2838 Fax: 513.381.0205 www.taftlaw.com / mccrea@taftlaw.com Internal Revenue Service Circular 230 Disclosure: As provided for in Treasury regulations, advice (if any) relating to federal taxes that is contained in this communication (including attachments) is not intended or written to be used, and cannot be used, for the purpose of (1) avoiding penalties under the Internal Revenue Code or (2) promoting, marketing or recommending to another party any transaction or matter addressed herein.

INTERIM REPORT #3 - Analysis of Fish and Clam 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 June 17, 2008 TESTING FACILITY MPI Research, Inc. 3058 Research Drive State College, PA 16801 Phone: 814-272-1039 STUDY SPONSOR 3M Company 3M Building 0236-01-B-10 St.

\P NAME ORGANIZATION ^VoCTJsnI l^ JU r "T jW\ '^>iaAuaQ/A ------------- 1---------\-------------1 - ^ S .

pr _ i.

2pco 3M @-33 SKaatheVriinsePEr.esRiedcentt, PhD. 3nMd ESnuvlilryonSmeervnitcaels Technology gGH-R 1102-00373 LEH - 9B0ui0ldBiunsgh4A2.v3e6n.e36 S Raansr ss me Ge343L CERTIFIED MAIL October 30, 2002 AR 26_ 1/38 Contain NO CB) o 5 Document Processing Center (7407M) OEfPfAiceEaofsPt--olRloutoimon6P4r2e8veAntttin:onSaencdtiToonx8i(ccs) U12S00EPPeAnnsylvania Ave, NW Washington, DC 20460-0001 son =o ih i=S uh 5 `TSCA (E) SUBSTANTIAL RISK NOTICE ON: Reference SEHQ ~1180-373, 374 Perfluorohexane sulfonate potassium salt Dear Sir: R3eMprroedcuecnttliyves/pDoenvseolroepdmaennt"aOlraTlox(iGcaivtaygSec)reCeonmibnignTeedstR"eSpteuadtyedofDpoesreflTuooxriocihteyxawniethsutlhfeonate Lpaobtoarsastiourmiessa,ltH(oPrsHhSa)m,, TP-e7n7n0s6y.lvTanhiea.stuTdhyewparselciomnidnuacrtyeddraafttArregsuusltReisncelaurdceh cCehratrailnesfiRnidvienrgs that appear appropriate for TSCA section 8(e) submission.

ronnie once omaiii wes #R226 _ 1162 TAFT, STETTINIUS & HOLLISTER LLP aoggmonacme 425 WALNUT STREET, SUITE 1800 CINCINNATI, OHIO 45202-3957 Fasx 51m3.38n1.0205 cunnyesisenasgon ond Fait Soups AusS0i0 i wwwtaflaw com aE RSo8os1er3rg6A7e..nB0i8cL%oormT August 26, 2002 = CERTIFIED MAIL NO. 7002 0860 0006 6119 4910 RETURN RECEIPT REQUESTED IclRoISASSuRbCmission Desk 6301 Ivy Lane, Suite 300 Greenbelt, MD 20770 = 33 a 32 Eza 3% 5= Re: IRIS Sa ubmiss sion IN nventoo ry ford Perflg uoroocp tandics Acid-2Amm6 oniuy m Salt IRIS Submission Desk: On April 12. 2002, we submitted information to you in connection with the referenced IRIS Submission Inventory, pursuant to a January 9, 2002 notice in the Federal Register (627 Fed.

Common SENTUY 43014704 SEER, gl ff TAFT, STETTINIUS & HOLLISTER LLP 425 WALNUT STREET, SUITE 1800 CINCINNATI, OHIO 45202-3957 Faxs5123z81.0205 entation com ARR26 -- 1163 andipucsamn: EC Ea EL, Rowl(soEtra@miesArt.o0Lw6oc%ormy zy December 16, 2002 CERTIFIED MAIL NO. 7002 0860 0006 6119 4484 RETURN RECEIPT REQUESTED Mary Dominiak United States Environmental Protection Agency COfhfeimciecoaflPoClolnuttriooln,DiPvriesvieonntion and Toxics 1200 Pennsylvania Avenue, N.W.

.

HRARG -- 1278 OTHER HALOGENATED POPs OF CONCERN THE FIRST ENVIRONMETAL SURVEY OF PERFLUOROOCTANE SULFONATE (PFOS) AND RELATED COMPOUNDS IN JAPAN Sachi Taniyasu', Kurunthachalam Kannare, Yuich Hori' andNobuyashiYamashita' National InstituteofAdvanced Industrial Science and Technology (AIST), 16-1, Onogawa, Tsukuba, "NatTiooanraalkiF3o0o5d-8S5a6fe9tJyAaPnAdNToxicology Center, Michigan State University, East Lansing, Michigan, USA Introduction havePerrefcleuiovreodocwtoarnledsuwlifdoenataett(enPtFiOonS)duarnidnrgeltahteedlapsetrtfhlrueoeriyneaatresd.cTohmipsoculnasdsso(fe.cg.hePmFiHcaSl,sPiFsBaSl,soPFbeOiAn)g ernefveirrroendmetnotaalsly"pPeCrsBissteonft, tbhieoatcwceunmtuylatfiirvset, caenndtuarrye".potTehnetisaellycohmarpmofuunld. sToaxriecitgyloobfaltlhyesedicshtreimbiuctaelds, enneveidrsonfmuernthtearl diinsvtersitbiugtaitoinono.fpCeorfmlpuaorriendatweidtchocmhploournindaste(dPFanCd) birpoomoirnlayteudndeorrsgtaonoidc.cSoumlfpoonuynld-s,bastheed rTeuloartoecdhceommicpaolusndhasvheabveeenbepernoduusceeddwainddeuvsaerdieftoyr oovfearpp4l0icyaetairosns(1s.ucThhe1sprcoodautcitnsgscofnotratienxitniglePs,FpOaSpearnsd, 5_5 apancdkmagaimnmg,alfsirte-hfrioguhgthinag nfooanm-si,phderrbliactieddesmaencdhapensitsicmiodfes.sccPuRmOalSathiaosnb.ePeenfflouournidntaoteadcccuommuploatuendisn bhiarvdes 52 3 37% ebxeteenntsahnodwnmatgonciotnucdeentorfaetneviirnotnhmeenbtlaoloddiasntdribliuvteironofofhPuFmCasnswaasndunwiklndoliwfne (1).