Ak 2.6 - Q Z $ 0 ACUTE TOXICITY TO AQUATIC INVERTABRATES (DAPHNIA MAGNA) TEST SUBSTANCE____________________________________________ Identity: A mixture containing periluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-600. (1-Octanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro-, potassium salt, CAS # 2795-39-3) Remarks: The 3M production lot number was not noted.

M S ik 6 -0 S jS ' ACUTE TOXICITY TO FISH (FATHEAD MINNOW) TEST SUBSTANCE___________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-600. (1-Octanesulfonic acid, 1,1 ,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro-, potassium salt, CAS # 2795-39-3) Remarks: The 3M production lot number was 628.

AR SLSLG-Ogtf ACUTE TOXICITY TO FISH (FATHEAD MINNOW) TEST SUBSTANCE__________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-600. (1-Octanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro-, potassium salt, CAS # 2795-39-3) Remarks: The 3M production lot number was not noted.

A R RS.& _ 0 9 l6 ACUTE TO XICITY TO FISH (FATHEAD MINNOW ) TEST SUBSTANCE________________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FX-3104. (1Octanesulfonic acid) (CAS # 2795-39-3).

AKlK> _ I07 'fi\2 m & d - k o UNITED STATES ENVIRONMENTAL PROTECTION WASHINGATGOENNDC.YC., 20460 APR %5 2 ro OFFIC " F PREVENTION, P CIDES AND TOXIC SU \NCES NOTE SUBJECT: Summary of March 7, 2001, meeting with Fluoropolymer Manufacturing Group TO: AR-226 FROM: Mary F.

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Corporate Health Physics Corporate Industrial Hygiene & Ergonomics Corporate Occupational Medicine Corporate Toxicology 3M Medical Department 3M Center, Building 220-2E-02 PO Box 33220 ' - ' St.

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, POTW Sludge, and Landfill Leachate Samples Mobile, AL (W2151) Centre Analytical Laboratory Report No. 023-014S (Revision 1) Revision Date 3/28/01 Testing Laboratory Centre Analytical Laboratory, Inc. 3048 Research Drive State College, PA 16801 3M E nvironm ental Laboratory C ontact Kent R.

, / ^P ace Analytical" j-- J Field Services Division r i i 3M1 % #1W 1 i i BACK TO MAIN PaceAnalytical Services, Inc. 1700 Elm Street, S uite 200 M inneapolis, M N 55414 Phone: 612.607.1700 Fax: 612.607.6444 Port St.

BACK TO MAIN Centre Analytical Laboratories, Inc. 3048 Research Drive State College, PA 16801 www.centrelab.com ^P hone: (814)231-8032 Fax: (814) 231-1253or (814) 231-1580 Analytical Report Fluorochemical Characterization of Surface Water Samples Cleveland, Tennessee (W1973) Centre Analytical Laboratory Report No. 023-014A (Revision 1) Revision Date 3/21/01 Testing Laboratory Centre Analytical Laboratory, Inc. 3048 Research Drive State College, PA 16801 3M Environmental Laboratory Contact Kent R.

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

ACUTE TOXICITY TO FISH TEST SUBSTANCE Identity: Perfluorooctanesulfonate, DEA salt; may also be referred to as PFOS DEA salt, FC-99, or 3M Sample No. 2. (1-Octanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-, compd. with 2,2'-iminobis[ethanol] (1:1), CAS # 70225-14-8) Remarks: Test sample is a mixture of the test substance in water (approximately 25% test substance and 75% water).

A fm G - c r a G -s ' Final Report Unscheduled DNA Synthesis in Rat Liver Primary Cell Cultures With PFOS PREPARED FOR: 3M Corporate Toxicology COVANCE STUDY NUMBER: 20784-0-447 THE DEVELOPMENT SERVICES COMPANY FINAL REPORT UNSCHEDULED DNA SYNTHESIS IN RAT LIVER PRIMARY CELL CULTURES WITH PFOS AUTHOR Maria A.

27,2000 One Generation Reproduction Study of PFOS Mevalonic Add/Cholesterol Challenge and NOEL Investigation in Rats Draft Study Outline fS -2- Study Objectives: This study will serve as a follow-up study to Combined Oral (gavagel Fertility.