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ATTACHMENT TO LETTER TO C.

Centre Analytical Laboratories, Inc. 3048 Research Drive Phone: (814) 231-8032 State College, PA 16801 www.centrelab.com Fax: (814) 231-1253 or (814) 231-1580 Analytical Report Fluorochemical Characterization of Water and Sediment Samples Port St.

/ JaceAnalytical" -- Fi el dServices Division I 3M Prepared by: Pace Analytical Services, Inc.

AR226-1030A008 BACK TO MAIN Summary of Nave Rat/Rat Chow/Fish Meal Study Analyses Conducted by the 3M Environmental Lab (prepared 03/01/01) Nave Rats (Taken from summary report issued in 1998.)

BACK TO MAIN Larry R.

AR226-1030A031 BACK TO MAIN Analytical Data Summary PFOS, Primary Standard - Test Control Reference #TCR-00017-046 S o lu b ilit y in W a t e r , Na t u r a l S e a w a t e r , an A q u e o u s So lu tio n of 3.5% S o d iu m C h lo ride, and n-O ctano L with S ubsequent Calculation of the n-O c tan o l:Water Pa r t it io n Co e ff ic ie n t (KoW) of PFO S fo r each of t h e A q u e o u s Ma t r ic e s Author Mark E.

BACK TO MAIN - 1- PERFLUOROOCTANESULFONATE AND RELATED FLUOROCHEMICALS IN OYSTER, CRASSOSTREA VIRGINICA, FROM THE GULF OF MEXICO AND CHESAPEAKE BAY John P.

BACK TO MAIN ACCUMULATION OF PERFLUOROOCTANESULFONATE AND RELATED FLUOROCHEMICALS IN FISH TISSUES John P.

BACK TO MAIN BACK TO MAIN I.

BACK TO MAIN PFOS: A 7-DAY TOXICITY TEST WITH DUCKWEED (Lemna gibba G3) FINAL REPORT WILDLIFE INTERNATIONAL, LTD.

BACK TO MAIN SANITIZED REPORT EXPLORATORY 28-DAY ORAL TOXICITY STUDY WITH TELOMER ALCOHOL, TELOMER ACRYLATE.

3M Medical Department Study: T-6316.7 BACK TO MAIN Analytical Report: FACT TOX-098 LRN-U2402 Study Title Oral (Gavage) Developmental Toxicity Study of 2(N-Ethylperfluorooctanesulfonamido)-ethanol in Rats Analytical Laboratory Report Title Determination of the Concentration of PFOS, PFOSA, PFOSAA, and EtFOSE-OH in the Sera and Liver of Crl:CDBR VAF/Plus Rats Exposed to N-EtFOSE-OH 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.

r--- ----------- - Corporate Health Physics Corporate Occupational Medicine Corporate Product Responsibility Corporate Toxicology 3M Medical Department 3M Center, 220-2E-02 PO Box 33220 St.

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