3M Medical Department Study: T-6295.4 Analytical Report: FACT TOX-002 LRN-U2121 Study Title 104-Week Dietary Chronic Toxicity Study with Perfluorooctane Sulfonic Acid Potassium Salt (PFOS T-6295) in Rats (Covance Study No.: 6329-183) Analytical Laboratory Report Title Determination of the Presence and Concentration of Perfluorooctanesulfonate (PFOS) in Liver and Serum Specimens of Crl:CD(SD) IGS BR Rats Exposed to Perfluorooctane Sulfonic Acid Potassium Salt (PFOS T-6295) Data Requirement Not Applicable Author 3M Environmental Laboratory Study Completion Date At signing Performing Laboratories Liver and Serum Analyses 3M Environmental Laboratory Building 2-3E-09, 935 Bush Avenue St.

Wildlife International, Ltd. "1- Project Number 454A-105 PFOS: A 96-HOUR STATIC ACUTE TOXICITY TEST WITH THE FRESHWATER MUSSEL (Umo complamatus) ADDENDUM WILDLIFE INTERNATIONAL, LTD.

AR226-2088 /^s^f^f-c^ SITE; CHEMICALL: /f-^^ u ^ i m^f ajq/s.f-^s1 .

AR226-2613 1 AR226-2613 C:\Documents and Settings\BARTONC\Desktop\c8\chambers DISPERSION MODELING PROTOCOL Plant-wide C8 Emissions DuPont Chambers Works Facility Deepwater, New Jersey Prepared by: DuPont Engineering Technology (DuET) Environmental Section Wilmington.DE 19898 April 9,2003 DuPont Chambers Works Air Quality Modeling Protocol The following sections describe the dispersion modeling methodology to be employed in order to assess the locations of maximum ambient air concentrations resulting from C8 emissions at the DuPont Chambers Works facility located in Deepwater, New Jersey. 1.

AR226-2649 39 AR226-2649 ISC Modeling Methodology and Results Emission Source Information The ISC3 model was used to calculate ambient ground-level air concentrations and deposition rates for year 2000 actual C8 emissions from the Washington Works site.

^^i^i'^-^^iS'^^.^^^ AR226-2714 AR226-2714 / 2004 43fd SOT Annual Meeting Ythbius mbraoywpserirnwt ibnydocwlickoirncgliocnk tfhfiies 'bXu' tbtuontt.oTnoInretthuerntotpo ltihgehtpcreovmioeursopfathgee, pcalogsee.

Copies to: E.

FOR DU FONT USE ONLY AR226-2755 Copies co:' E.

FOR'DU FONT USE ONLY AR226-2886 Copies to E.

ARRA6-- 330] 483 Araa- 330!

AR226-3347 Analytical challenges in determination of Telo Alcohol and Telomer-derived fluorosurfactan polymers4n biological and environmental ma Bogdan Szostek^^lteith B.

Perluorooctanpsulfonate: PK During Pregnancy and Lactation + Analytical Protocol M. ."

I I PFOS: A 96-Hour StaticAcute ToxicityTest with the Freshwater Mussel (Unio complamatus) I ACUTE TOXICITY TO AQUATIC INVERTEBRATES MUSSEL) (FRESHWATER TEST SUBSTANCE Identity:Perfluorooctanesulfonatmea;y alsobe referredtoas PFOS or FC-95. (1-Octanesulfoniaccid,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro-p,otassium saltC,AS # 2795-39-3) Remarks: The testsubstance isa whitepowder.

3M ENVIRONMENTAL LABORATORY Protocol-AnalyticalStudy QuantitativeAnalysisofPerfluorooctaneSulfonicAcid PotassiumSalt (PFOS, T-6295)inCynomolgus Monkeys FollowingAdministrationofa 4- Week CapsuleToxicityStudy 3M ET & SS StudyNumber: AMDT-041598.1 In-VivoStudyReferenceNumber: Covance6329-222 TestSubstance:PerfluorooctaSnuelfoniAccid PotassiumSalt(PotassiuPmerfluorooctane SulfonateC),F17SO3-K'(PFOS,T-6295) Name and AddressofSponsor: 3M ToxicologyServices Building220-2E-02,3M Center St.Paul,MN 55144-1000 Name and AddressofBiological-PhaFsaecility: Covance LaboratorieIsnc.

AR RRE- HIS --- ~ 19 ~ 000208 L dD SEE Ef E. 1.50 Pont of Nevouns5 Company' -- .