i Z -45 R C V I* 79 E. ] .

AR226-2794 FOR DU PONT USE ONLY Approximate Lethal Concentration by Inhalation (ALC) of Haskell Laboratory Peport No. 293-85 MR No U E.

Ar s.a.6 - OlifJl 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-203C and L-5440. (1-Octanesulfonicadd, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-, potassium salt, CAS # 2795-39-3) Remarks: The 3M production lot number was not noted.

-AH AS.G _ o 8 0 5 TO XICITY TO AQUATIC PLANTS TEST SUBSTANCE_______________________________________________ Identity: A mixture containing perfluorooctanesulfonate; may also be referred to as PFOS, FC-95, or as a component of FC-206C and 81-2/8. (1-Octanesulfonicacid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-, potassium salt, CAS # 2795-39-3) Rem arks: The test sample is FC-206C.

W einberg Consulting Group Inc. 2828 Pennsylvania Avenue NW, Suite 301 Washington, D.C. 20007 (202) 342-6513 LAWYERS1WORK PRODUCT PRIVILEDGED AND CONFIDENTIAL O ctober 31, 1983 Dr.

1 IN THE CIRCUIT COURT TWENTIETH JUDICIAL CIRCUIT OF ILLINOIS 2 ST.

from <NAME-LOCATION--PHONEl D.

FROM <N A M E -- L O C A T I O N -- P H O N E > Dept, of Medicine & Environmental Health D A T E : December 2, 1983 SU BJEC T DIOXIN RESEARCH R EFER EN CE T O G.

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1 IN THE ,,CIRCUIT COURT TWENTIETH JUDICIAL CIRCUIT OF ILLINOIS 2 ST.

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Monsanto' THOM IM K .E -LO C A T IO N --PH O N I D.

1 1 IN THE CIRCUIT COURT TWENTIETH JUDICIAL CIRCUIT OF ILLINOIS 2 ST.