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RECEIVED OPPGaqaparison of PFOS Ecotoxicological Testing Results Effect Concentrations Calculated Using Different Sample Purity 00SYorBet genpposredconeoxcntwhaetr onnosmi,) Pomme Tironou pure Resa EEpr]Us] [Wastowster bacteria OECD209) rece Jf pee ee Tee [[fShaiestnosnsatugmhcoasptrcoinccoonrtntiont{etesOhOwSaotorrogrmogans=gaoe) ||J --------e ----|] ------ f[fiiormeEb0o,0ECGeqnsocmcomomnnmtaaomren Ti J s wmavg Twrmem]] f[[popoowtteesseoomviEooe,eenJ a5 uComrtonra e {| sn] orogawn |msmomir] [[[fzeestomerSsSa8omm0sSEsoCsmyecrtuotto6etscCrooonTttaeeeasmnctaoiogsaenat) JJ J 63 rion | e sp oeriosone | mmaLt] [Mysidopsisbahia(marineshrimp) fosooomboee JI ---------- --------=--| 7 [[[pfioooteooPPotEvvCe,ghGhGSCeopndieenesctashoesgnea) [Colo compiamatsfreshwatermuse J|IJ| eo0oe9p6 |t e5e5ee ----|--] moer || JI =| fffoorsmeoosssshmraenuonco_eesG Coe to T I | mei---- w --m -- a-- ] [[f[ setteEyuivreEpCr,oo c5s%cCoomntigoEncrob rain2on9,a) tJe IJ30n T e e p m r ----p--u|] [Pimephales promeias (fatheadminnow) JI fovosernorc TT --------| [fete iriCy G5 Conbdoncomiona) [| 95 wom | er orm | mor | [osmnsToren rentoes Jos ge ------2--| [Avian Dietary Toxioty Tests [| NT --ET-- ---- [Bute MarsDuck LC.y(35% Conboorcamers) [poe Mors DuckNomortyconconabion || 26 none) | enwooo | mgrg JI 6Temp | | fb[fJ eeoveeBcsoobunontitomsQcuoaatloLnC (36ty%cConbrioncnomen) ||J70y(ioa-zow |e 713 (e iss--zm--|2 mong] torSot evi gy [ourAfocua Sods [Watesoni (rostmaterponte) [WatesoyrushwotespomodtmnonGie) Door sob sotvotocnenGtr) se] Jr [re Te] [| woTem Ty] le ais mer] ee

3M ENVIRONMENTAL LABORATORY METHOD ANALYSIS OF POTASSIUM PERFLUOROOCTANESULFONATE OR OTHER FLUOROCHEMICALS IN LIVER EXTRACTS USING HPLC-ELECTROSPRAY/MASS SPECTROMETRY Method Number: ETS-8-7.0 Adoption Date: 0F[2219% Author: Lisa Clemen, Glenn Langenburg Approved By: 7 2 1p Laboratory ager ftom tr Group Leader nh Clysnee Technical Reviewer Revision Date: NA 2h for Date 2/4139 Date o7lilpy Date 1.0 SCOPE AND APPLICATION 1.1 S'HcPoLpCe-:elTehcitsromseptrhaoyd/miasssfosrptehcetraonmaeltyrsyi.s of liver extracts for fluorochemical surfactants using 1.2 Applicable Compounds: Fluorochemical other ionizable compounds.

;| LL Sim AR126-00T8 Eis - 00 Laboratory Report LCMSMS Analysis of Extracts reported in: "Preliminary Report Analysis of i Perfluorinated Compounds in Environmental Samples" by P.

r| - AR226-1407 | | | ARBRE --~ 1407 INTHE CIRCUIT COURT OF WOOD COUNTY, WEST VIRGINIA ' JACK W.

10 " AR A26 -- 1437 | TSCA NCIC NOTIFICATION FORM FOR CBI DOCUMENTS k= -- DOCKET NUMBER: AR R26 DOCUMENT CONTROL NUMBER: __b 30300000352 DOCUMENT DATE: 2-34-02 DOCUMENT TYPE: doc tt & E23 @3 35g2 = 33 "s= RELEASEOR DISCLOSURE OF SUCH INFORMATION.

Cn o 3p ARa26.

Wildlife International, Ltd. ae Prost Number 454C-107 "DETERMINATION OF THE WATER SOLUBILITY OF PFOS BY THE SHAKE FLASK METHOD ADDENDUM `WILDLIFE INTERNATIONAL, LTD.

AR226-2570 j^drewSl^artten^ _____ To: Mary A Kais6r/AE/DuPont@DuPont cc: John R Bowman/AE/DuPont@DuPont Subject" Sampling Program 'l6/6T/2Mr05T6'2 PM t Mary, I'm a little concerned about the decision to contract Battellle to provide sampling services related to the Consent Order.

AR226-2766 FOR DU FONT USE ONLY E.

Fluoroche Samples.

Submitted to: BIOSEARCH, INC.

-4 HAZLOTON L"BDPffDRIES ANFERICA INC Chemica&l BioMedicaSlcienceDsivision @'N@iol orK.I-NSsMoAN BLVD. - P.O.BOX 7545 * MADISON, WISCONSIN 63707 PHONE (6082)41-4471* TLX 703956HAZRAL MDS UD FINAL REPORT ROGER PERKINS MINNESOTA MINING & TOXICOLOGY ST.

1) OECD 423-OPPTS 870.1100, Acute oral toxicity (rat), 132-002 Acute Oral Toxicity Study of T-7485 Administered to Spraque-Dawley Rats Study Number: 132-002 ACUTE ORAL TOXICITY STUDY OF T-7485 ADMINISTERED TO SPRAGUE-DAWLEY RATS STUDY NUMBER: 132-002 SANITIZED SPONSOR 3M Corporate Toxicology 3M Center, Building 220-2E-02 P.O.Box 33220 St.