AR226-3639 nee TgRel 4 NORTH EEE LL.

3M General Offices = September 21, 2006 3M Center St.

Q) ~ G ' ~ G , " ` p. 1 D~ ~ ~ ~~ v c ) a U 3_'_' ~\ ~ ~S '' _, 1-- ~., ~ _ V `- m , ~ (~ C ' z o Y U

p. 111 3 729 INTERIM REPORT # 23 - Analv03 of Sediment Samnles STUDY TITLE Analysis of Perfluorobutanesulfonate (PFBS), Perfluorohexanesuifonate (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 , DATRAEODIREMENTS EPA TSCA Good Laboratory Practice Standards 40 CFIt 792 STUDY DIRECTOR Jaisirnha Kesari P.E., DEE Weston Solutions, Inc. 140{?

esnencd L N) we'd #0 \ # Anca. meron PFOAPFOSAnalysis Lot#: D8A170279 ' NWTe iololmiamtnhGn reennbniiellrne Tomer Den oia led etn 208 Neuen rst AnhCONOR TOS BAI rms oee2sows.oomna Table Of Contents Standard Deliverables Report Contents (TShtoaRnedpaorrtdCoDveelrpiavgeoraibclonessidaredannogral artofthis `lStlapnadgaersdiDnedlivceartaedbilnophacskTaagbel. oTfhCs roeponrtastroceonmcnupceettd)niss + Table of Contefts Case Narrative Executive Summary - Detection Highlights + Methods Summary * Method/Analyst Summary LotSample Summary Analytical Results QC Data Association Summary + aC Results + Chain-of-Custody Sample Receiving Checklist Total Number of Pages Testamerica 1 DEP2.SDWB-000075 CasDeeANIa7r0r2a1t9ive "QTunealriesMualnsuianlc.luAdeldeisnutlhtiss hreapvoertbheaevefboeunedn1roevmieeewtedalforrecqoumirpelmieanntcseowfilNh EthLeALaabonrdaatonryy `exceptions are noted below. o"Trhisspornespoorrt.shDalilonont bfaeciroerpsroadnudceodineoxtceepsthianvuel,bewietnhopurtovtihdeewd ioneneaacphpdroavtaalshoefetth folaasbsoirsattoinry he merpretaion ofth resuls.

Taft/ Taft Stettinius & Hollister LLP 425 Walnut Street, Suite 1800 /Cincinnati, OH 45202-3957 /Tel : 513 .381 .2838 / Fax : 513 .381 .0205 /www .taftlaw .com Cincinnati / Clevelancl /Columbus / Dayton / Indianapolis / Nortnern Kentucky / Phoenix / Beijing RoBeRT A.

p. 1 Taft/ Taft Stettinius & Hollister LLP 425 Walnut Street, Suite 1800/ Cincinnati, OH 45202-3957 / Tel : 513 .381 .2838 / Fax : 5 13 .381 .0205 /www .taftlaw .com Cincinnati / Cleveland / Columbus / Dayton / Indianapolis / Northern Kentucky / Phoenix / Beijing ROBERT A.

M4* 32-pi-0 YO "McCrea, Deborah" <mccrea@taftlaw .com> 10/05/2009 01 :56 PM To NCIC OPPT@EPA cc "Bilott, Robert A."

Experinent Nou: Conducted At: bates Conducted: Conducted By: Reviewed BY: Jute ocular Irritation Test with 7-349 in Albino Rabbits o88azB001L iSseae.fertpyauLlaB,bvoarlMauitanotnrieiosenost,LaabIonrcatory January 3, 1984 to January 10, 1984 BDooWs. avAarkroer, oItns S TSotxuidcyolDoigriescttor {zaatte KTSeanftorroTnoaxriiceroyl,log5ilst J Acute Toxicology lf we ar Xm.mL..

: Fett pRanco 166 OHIO RIVER WATER SAMPLING .| RESULTS DUPONT WASHINGTON WORKS FACILITY AND THE LETART LANDFILL Date: November 2002 Project No.: DEWW7423 18983635.14000 18983632.00021 am CORPORATE REMEDIATION GROUP An Alliance between DuPont and URS Diamond Barley Mill Plaza, Building 27 Wilmington, Delaware 19805 CONTAIN NO CBI 000028 `SRAT Ono Ruer Wate Samping Results Table of Contents TABLE OF CONTENTS J S---- m--_ 20 C-8 Analyses and Analytical REDOING .vrsnsnn 3 3.0 Ohio River Water C-8 Results Near The Washington Works Facility .......3 : 4.0 Ohio River Water C-8 Results Near the Letart Landfills] 5.0 OhioRiver Parameters...

ee cond TE une LE peermssesesr oingromancam oT, STETTINIUS & HOLLISTER Lv. 1800 FIRSTAR TOWER 425 WALNUT STREET CINCINNATI, OHIO 45202-3957 AR e5a13.S3i8a1s.2a0r3a8ns I {LA awl SE RS aes 226-1170 November 1, 2001 TELECOPY AND REGULAR U.S.

} TAFT, STETTINIUS & HOLLISTER LLP Com ay wl. 425 WALNUT STREET, SUITE 1800 CINCINNATaIxs, $aO13HmaIrOasi4e5n202-3957 ---- ed SZiEuFImia hi RSoCsionnrrgsAu.erBraonm AR226 _ 1188 October 25, 2002 TELECOPY AND REGULAR U.S.

AR226_ 1253 - -- | TSCA NCIC NoriFica-- Tion FORM FOR C-- BJ Documents 1|| DOCKET Numer-- : R32 DocuMENT ConTroL NuMBER--: LZeoeco003 DOCUMENT DATE: "-2-02 DOCUMENT Type: Dect & &IE38 &=5 THEDOCUMENTREFERENCEDABOVE 1S (CBI)unoer SecTion 14 0FTHETOXIC CLAIMED AS CONFIDENTIAL SUBSTANCE C BUSINESS INFORMATION ROTEFSLCETAAS.SCEAANORDRIETDQUIIIMRPSEOSCSEELSPOCAORTSIFOMUSIPNURRACOLEHTPEEICNNATFLFOTRRIMOEASTMIFOPONUR,BLTIHCESDKInSoOCWNLITONRSGOULRaEtASeCsTCtB(ITSOrCBAT)A.IuNNTEAHDUATUTHNOSDREEICRZTEIDON ABLE TO ACCESS THiS DOCUMENT.

AR RRC _ 1228 FINAL REPORT PROTOCOL 418-027 O`WRIATLH (TGHAEVRAEGPE)ROCDOUMCBTIINOEND/DREEVPEELAOTPEMDEDNOTSAELTTOOXXIICCIITTYYSSTCURDEYENOIFNTG7T5E99S.T7 SPONSOR'S STUDY NUMBER: T-7599 FINAL REPORT DATE: 25 MARCH 2003 PROTOCOL 418-027 - ORAL (GAVAGE) COMBINED REPEATED DOSE TOXICITY STUDYOF T 7599.7 WITH THE REPRODUCTION/DEVELOPMENTAL TOXICITY SCREENING TEST SPONSOR'S STUDY NUMBER: T-7599 SUBJECT TABLE OF CONTENTS L SUMMARY AND CONCLUSION Ll.

- .