AR226-3139 CONFIDENTIAL SPONSOR ElfAtochemS.A.

tFM recherc/ie AR226-3140 CONFIDENTIAL SPONSOR ElfAtochemS.A.

TRADE SECRET AR226-3177 DuPont-6087 Study Title H-24516: Skin Irritation Test in Rabbits Laboratory Project ED: DuPont-6087 AUTHOR: Carol Finlay, B.A.

AR226 - 3257 439 TRADE SECRET AR2RG 3257 Dupont 11408 Study Title H-25434: Static, Acute, 96-Hour Screening Test to Pimephales promelas Laboratory Project ID: DuPont-11408 AurHoR: Laurie D.

AR28-6 3267 1 AR 226 -- 3269 Determination of Ultravioletspectrum --| --_ DUPONT REPORT # 12734 [--------) vio SPECTRUM Test Guideline(s) aruthsorsisn, PhD. ay irc) ReymondE.

AR226-3351 ES Bioconcentration Screening of Perfluorinated Compounds Using Fathead Minnows Hoke, R., Turner, J.T., Gibson, W.R., Good, R.M., Green, J.W., and Buck, R.C. posto Introduction Perfluorinated compounds have been the focusofincreasing scrutiny by regulatory agencies and the industries that manufacture these compounds.

NORTHERN KENTUCKY OFFICE TAFT, STETTINIUS & HOLLISTER LLP -A R a OR 6 p.1 ~~56",v CLEVELAND, OHIO OFFICE 1717 SUITE 340 3500 BP TOWER 425 WALNUT STREET, SUITE 1800 COVINGTON, KIEVNT4U1C0K 1Y 1-4704 606-331-283 6 200 PUBLIC SQUARE CLEVELAND, OHIO 44114-2302 i~ PP 513-381-2838 216-241-2838 CINCINNATI, OHIO 45202-3957 FAX : 513-381-6613 FAX: 216-241-3707 COLUMBUS, OHIO OFFIC E DAYTON, OHIO OFFICE 513-381-2838 21 EAST STATE STREET 110S NU OR IT THEMA 9I0 N 0 STC RE O ET LF U AM X : 5B 13-38U 1-02S 05 , OHIO 43215-4221 DAYTON, OHIO 45402-1786 937-228-2838 www FAX: 937-228-2816 .taftlaw.com FAX614-221-2838 :614-221-2007 ROBERT A .

- r bE I \8S,FroAEn RliIss 1 " Attachment 2 Aezzg-/776- [ [ r I~ 1 | vc --_ i |- - | [ I te || Air Sampling Fluorochemical Report DuPont Washington Works -- Air Sampling Program Round 8 Exygen Research Report No.

CorporateHealth Physics CorporateOccupadonal Medicine CorporateProduct Responsibility Corporate Toxicology 3M Medical Department 3M Center,220-2E-02 PO Box 33220 St Pa4 MN 55133-3220 651733 1110 AnalysisofSelectedDecatur Employee Serum forSulfonicand Carboxylic ]Fluorochemicals This3M technicarleportanalyzedthe5 highestorganicfluorinceontaininDgecatur employee samplesand analyzedtheserum forperfluorooctanesulfonate, perfluorohexanesulfonaatned perfluorooctanoateI.n decreasingpercentfound, perfluorooctanesulfonactoentributebdetween 55 - 80%, perfluorooctanoatceontributed between 15 - 300/oand perfluorohexanesulfonactoentributed5 - 15% oftheorganic fluorineA.nalyticalmethods used were electroncaptureand microwave plasma detector. 3M T EOCHNICAL REPORT Report Number-. 7230 Date: October 4, 1979 TITLE: Analysis of Selected Decatur Employee serum for Sulfonic and carboxylic pluorocbealeals AE)THORs ABSTRACT: The precence of C and C. sulfonic acids was detected in certain blood samples using bo;g electron capture and microwave plasma detector methods.

STUDY CODE: KOI-1802 ReceiptNo.

MAY,3.ZUUU11:57AM ENVIRONMENTAL2,L3AEB09 NO.1926 P. 2 Tabl2e: later-AsPsraeycisiaonndAccuracfyorPFOS QualitCyontrol SampleIsnRatSomniforStudy#FACT-TOX-111 Run No.

oral Terstoloa Study of T-2999C*C in RALbbits Zxperiment No.: Gonducted At: Dosing Period: Study Director: 06SITBO212 Safety Zvaluation Laboratory Fikex 'fa ratorl", Inc* ft.

InternatioRneaslearcahndDevelopmenCtorporation SPONSOR: COMPOUND: SUBJECT: 3M Company FluoradO Fluorochemical FC-143 Ninety Day Subacute Rat Toxicity Study.

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BIODEGRADATION (301E) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonawthei,ch may alsobe referredtoas PFOS, FC-95, oras a component of FC-203A orof FC-203 NFP. (1-Octanesulfonaicid)(CAS # 2795-39-3).