FOR DU PONT USE ONLY AR226-2966 Du Pont HLO 706-91 Study T itle 100-Person Repeated In s u lt Patch T est w ith Study Com pleted On October 11, 1991 C ontracting L aboratory B iosearch, In c.

TRADESECRET AR226-3083 DuPont H L-1997-01226 Study Title H-22994: Eye Irritation Test in Rabbits Laboratory Project ID: HL-1997-01226 Author: Tracy A.

A R & & 6 - OZZS ACUTE TOXICITY TO FISH (FATHEAD MINNOW) TEST SUBSTANCE___________________________________________ _ Identity: Mixture containing perfluorooctanesulfonate which may also be referred to as PFOS, FC-95, or as a component of FC-3003. (1Octanesulfonic acid) (CAS # 2795-39-3).

AR226-2040 I'-' ir OFFENBJL 09/22/98 01:48 PM To: BROWNAL, ROGERSJD , RURAK , MORRISWC cc: MAJTSORR, MAHANEY , PLAYTIS , SZAKATBK , ZIPFEL Subject: C-8 The Industrial Hygiene Air Sampling results for c-8 in some sample locations are higher this year then they were last year.

AR226-2365 Manage Existing C-8 Products arid processes The meeting will be held at 8:00 am on April 2, 1998 in CAP 702-1242 (contact is Pinchot) with an audio connection, to WW (B21 Downstairs Small Cfi @ 883-3615, contact is Chapman) and Rik Brandenburg at dw (947-1648).

AR226-2799 i Study Title Repeated ** Dose ... ..

AR226-3139 CONFIDENTIAL SPONSOR Elf Atochem S.A.

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A R n Q'oofy PFOS: A 96-HOUR STATIC ACUTE TOXICITY TEST WITH THE SALTWATER MYSID (Mysidopsis bahia) FINAL REPORT WILDLIFE INTERNATIONAL LTD.

Kendall B.

BACK TO MAIN MULTI-CITY STUDY FIELD REPORT FOR CLEVELAND TENNESSEE AND DECATUR ALABAMA - BATTELLE DUXBURY ACTIVITIES for Project Number N100672-01 submitted to July 9,1999 Prepared by Scott C.

AR1U-00^3 PFOS: A 96-HOUR STATIC ACUTE TOXICITY TEST WITH THE FATHEAD MINNOW {Pimephales promelas) FINAL REPORT WILDLIFE INTERNATIONAL LTD.

m Z 'O ift Pathology Associates International A Company of Science Applications International Corporation SECOND DRAFT CELL PROLIFERATION REPORT 104-WEEK DIETARY CHRONIC TOXICITY AND CARCINOGENICITY STUDY W ITH PERFLUOROOCTANE SULFONIC ACID POTASSIUM SALT (PFOS;T-6295) IN RATS COVANCE STUDY NUMBER 6329-183 PREPARED FOR: 3M TOXICOLOGY SERVICES BUILDING 220-2E-02, 3M CENTER ST.

Corporate Occupational Medicine 3M Center, Building 220-3W-05 St.

Afi Jt%-053S MICROTOX TOXICITY TEST TEST SUBSTANCE Identity: Perfluorooctylsulfonate, didecyldimethylammonium salt; may also be referred to as Fluoroalkyl ammonium derivative. [1Decaminium, N-decyl-N,N-dimethyl-, salt with 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-1 octanesulfonic acid (1:1), CAS # 251099-16-8] Remarks: The 3M production lot number was Lot 1.