A lU 76-o io G > - )3 T O X IC IT Y T O A Q U A T IC P L A N T S (E.G., A L G A E ) T E S T S U B S T A N C E __________________________________________________ Identity: Perfluorooctanesulfonate; m ay a lso be referred to a s P F O S or FC-95. (1-Octanesulfonicacid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro-, potassium salt, C A S # 2795-39-3) R e m a rk s field: The test substance is a white powder (3M Lot 583) of uncharacterized purity.

Submitted to: BIOSEARCH, INC.

Pathology and Toxicology Riker Laboratories, Inc.

H- NOTOX Safety & Environmental Research B.V.

3M Medicine, Health Physics Industrial Hygiene, Toxicology 3M Medical Department 3M Center, Building 220-2E-02 PO Box 33220 ~ St.

Phone Conversation Report f erni 0 / r wCOPi 3M 2?

FINAL MULTI-CITY STUDY FIELD REPORT FOR MOBILE ALABAMA AND PENSACOLA FLORIDA - BATTELLE DUXBURY ACTIVITIES for .

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BACK TO MAIN Centre Analytical Laboratories, Inc. 3048 Research Drive State College, PA 16801 www.centrelab.com ^P hone: (814) 231-8032 Fax: (814) 231-1253 or (814) 231-1580 Analytical Report Fluorochemical Characterization of Sediment and Sludge Samples Cleveland, TN (W1973) Centre Analytical Laboratory Report No. 023-014Q (Revision 1) Revision Date 3/27/01 Testing Laboratory Centre Analytical Laboratory, Inc. 3048 Research Drive State College, PA 16801 3M Environmental Laboratory Contact Kent R.

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BACK TO MAIN Im p in g er Studies o f V o la tility o f FC -95 and FC -143 Intoduction and Purpose: Thermospray mass spectrometry was used to quantitate a number of samples for FC-143 and FC-95.

BACK TO MAIN 3M Medical Department Study: T-6314.1 Analytical Report: FACT TO X-028 LRN-U2636 Study Title Determination of the Presence and Concentration of PFOS, PFOSA, M556, and M570 in the 13-Week Dietary Study of Crl:CD (SD) IGS BR Rats Analytical Laboratory Report Title Determination of the Presence and Concentration of Perfluorooctanesulfonate, Perfluorooctanesulfonylamide, M556 and M570 in Liver and Sera Samples Data Requirement Not Applicable Author 3M Environmental Laboratory Study Completion Date February 23, 2001 Performing Laboratories Liver and Sera Analyses Liver and Sera Extractions 3M Environmental Laboratory Building 2-3E-09, 935 Bush Avenue St.

PFOS ATTACHMENT TO LETTER OF JANUARY 30, 2002 3M FLUOROCHEMICAL SUBMISSION BIBLIOGRAPHY Perfluorooctanesulfonate Case MT, York RG, and Christian MS (2001).

AKKi - o a Q '1 XToxicity to Algae (Selenastrum capricornutumj'tqr PM-3820 (28% PFOS) EnviroSystems of Resource Analysts, Inc.)

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