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RECYCLED AR226-2670 DuPont Legal Andrea V Malinowski * Corporate Counsel DuPont Legal D-8078 E.

AR226-2818 The Embryo-Fetal Toxicity and Teratogenic Potential of Ammonium Perfluorooctanoate (APFO) in the Rat (Work Done for Hire) Robert E.

AR226-2885 E.

AR226-2919 FOR DU PONT USE ONLY E .

AR226-3035 DuPont HUI 822-95 HASKELL LABORATORY POR TOXICOLOGY AUD INDUSTRIAL MEDICINE STATIC, ACUTE 48-HOOK SCREENING TEST OF H-21460 Daphnie w a a , CONTINUED Based on visual observations, all solutions were clear, except for 50 mg/L which was slightly cloudy, 500 mg/L which was cloudy, and 5000 mg/L which was cloudy and white in color.

AR226-3038 Study Title Skin Irritation Test with H-2I460 in Rabbits Laboratory Project ID Haskell Laboratory Report No. 83-96 Author Tracy A.

TRADE SECRET DuPont HL-1997-00716 AR226-3076 Study Title H-22762: Skin Irritation Test in Rabbits Laboratory Project E): HL-1997-00716 AUTHOR: Carol Finlay, B.A.

AR226-3226 FINAL REPORT IN VIVO RAT MICRONUCLEUS ASSAY COVANCE STUDY: 22900-0-4540ECD STUDY SCHEDULE: Study Initiation Date : 18-Oct-2001 Initial Dose Date: 23-Oct-2001 Study Termination Date: 19-Nov-2001 Final Report Date: 25-Jan-2002 STUDY DIRECTOR.

7 3X7U- 456 Un7.G~3S.7lf DuPont-9478 TRADE SECRET Study Title 90-Day Oral Gavag[eSuSbtucdhyroinnicRTatosxicity Volume 3 of 3 Laboratory Project ID: DuPont-9478 Test Guidelines: UO.PSP.TESPA87H0.e3a1l0th0E(1ff9e9c8ts) Test Guidelines Au th o r: Gregory S.

r H Mt _ TRADE SECRET M ZZ6 -A 23 DuPont-12991 Study Title H-25767: Static, Acute, 96-Hour Screening Test with Rainbow Trout, Oncorhynchus mykiss Authors: Barbra D.

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3M ENVIRONMENTAL LABORATORY REPORT NO.

P-1 AR226-3586 January 30, 2006 70Q ~O lo-l^5l DuPont Corporate Remediation Group Barley Mill Plaza - Bldg. 19 4417 Lancaster Pike Wilmington, DE 19805 GS FE3 - ' ;.

P-1 ^ 3 6 . 2> 83 INTERIM REPORT # 23 - Analysis o f Sediment Sample STUDY TITLE Analysis o f Perfluorobutanesulfonste (PFBS), PeriluorohexanesuLfonate (PFHS), and Perfluorooctanesulfbnate (PFOS) in Water, Soil, Sediment, Fish, Clams, Vegetation, Small Mammal liv er and Small Mammal Serum 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 May 2,2006 PERFORMING LABORATORY Exygen Research 3058 Research Drive State College, PA 16801 Phone: 814-272-1039 STUDY SPONSOR 3M Company 3M Building 0236-01-B-10 S i Paal,M N 55144 Phone: 651-733-6374 pro ject Protocol Number: P0001131 Exygen Study Number: P0001131 Total Pages: 110 P-2 Interim Report #23 - Analysis of Sediment Samples Exygen Study No.: P0001131 QUALITY ASSURANCE STATEMENT Exygen Research's Quality Assurance Unit reviewed Exygen Study Number P0001131, entitled, "Analysis o f Perfluorobutanesulfonate (PFBS), Perfluorohexanesulfonate (PFHS), and Perfhiorooctanesulfonate (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".