1 ^ *"'s~ ' * ` '** ,* i "% 5wOi^iC*VC.O:ill# intracompany memo : /V Mr.

AR A56 - 0lOl ACUTE TO XIC ITY 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 -3041. (1Octanesulfonic acid) (CAS # 2795-39-3).

AR fi.S.6 - 0 *\o2> ACUTE TOXICITY TO AQUATIC INVERTEBRATES (DAPHNIA MAGNA) TEST SUBSTANCE___________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-3041. (1Octanesulfonic acid) (CAS # 2795-39-3).

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

: July 31, 1981 0: FLUOROPOLTMERS PRODUCTION, TECHNICAL AND MECHANICAL SUPERVISION FROM: RB.

Pathology and Toxicology Riker Laboratories, Inc. r"s Building 270-3S-05, 3M Center 'I St.

Afc 6 .

AR - 09/7 TO XICITY TO AQUATIC PLANTS 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).

A IW 6 - 5 I5 .

AR226-2066 WASHINGTON WORKS INDUSTRIAL HYGIENE REPORT FROM 1-Jan-1988 TO 31-Oct-1991 31-Oct--1991 Page 1 AREA?

FOR DU PONT USE ONLY AR226-2938 Du Pont HLR 55-89 Study Title StatljcAcute96^Hou^C50*of to Fathead!

TO XIC ITY TO AQUATIC PLANTS TEST SUBSTANCE Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FX-3103. (1Octanesulfonic acid) (CAS # 2795-39-3).

*\.- PRESS QUERY COMPANY (Unit or Corporate): Corporate SUBJECT: AMA, Dioxin & Monsanto REPORTER & MEDIA: Sharon Cohen, Chicago AP (312) 781-0511 TIME & DATE: 6/23/83 6:15 p.m.

'" Monsanto **K>V SAU?

/ / ito 7 ' V- D.-- L O C A T I O N -- f H O N C R.