% AR226-2836 CCopies to : E.

AR226-2892 E.

AR226-2924 CENTRAL RESEARCH AND DEVELOPMENT DEPARTMENT HASKELL LABORATORY FOR TOXICOLOGY AND INDUSTRIAL MEDICINE THE EFFECT OF PARTICLE OF A 1ATION TOXICITY INTRODUCTION . in this study nad been shown to be extremely tjoxic by inhalation when tested as a highly respirable aerosol (ALC of 4Z mg/m ).

Study Sponsor: Issue Date: Document Reference No.: ELFATOCHEM 14-Dec-95 95/S A E K /13 7 2 /A M P AR226-3033 Bacterial Growth Inhibition Author(s): A .M .

9 457 TRADE SECRET M 2 - 3A 7r DuPont-8685 Study Title H-24678: Two-Week Inhalation Toxicity Study in Male Rats Laboratory Project ID: DuPont-8685 Author: David P.

479 /"N TRADE SECRET DuPont-11671 fiK S L ifi-W Study Title H-25499 and H-25500: Subchronic Toxicity 90-Day Gavage Study in Male Rats Laboratory Project ID: DuPont-11671 A u t h o r : Linda A.

AK H>- tZ 000462 4 AS6 _ f y S WASHINGTON WORKS 'TEFLON*' AREA EMPLOYEE BLOOD LEVELS PERIOD 1984-86 1987-88 1989 1990 1991 POPULATION 108 58 41 21 3 < =1PPH <%> 67 50 59 90 N/A < =5PPM (%) 92 90 83 100 N/A C:s l g 1/2/92 000463 LIVER STUDY OF WASHINGTON WORKS EMPLOYEES EXPOSED TO C-8. 1/15/81 OBJECTIVE: DETERMINE IF OCCUPATIONAL EXPOSURE TO C-8 ADVERSELY AFFECTS LIVER FUNCTION AS MEASURED BY BLOOD LEVELS OF SCOTr LDH, AP, AND BILIRIBIN.

000716 HECYCLED I t ili ~9W6W v-> * AR *(>- S W Susan S Mileti 03121/2000 05:09 PM To: cc: Subj Geny & Steve, below is the summary of the CW and 3M Employee blood data.

SEVERN TRENT STL STL Chicago 241 / Bond Street University Park, IL 6 0 4 6 6 Tel: 78 5 3 4 5 2 0 0 Fax: 70S 5 3 4 5211 www.stl-inc.com SEVERN TR ENT L A B O R A I:o r i e iW :\, JOB NUMBER: 232676 P r e p a r e d.

SEVERN T RENT STL STL Chicago 2 41/ Bond Street University Park, IL 6046b Tel: 708 534 5200 Fax; 708 534 5211 www.si/-jnc.com s iv e r n it r e M ANALYTICAL ::JOB :N C M B E K : i-2;33 6 2 9 Prepar ed For : ' /Weston o 1u tion s , Inc . 1,400 West o n Way Building " 5-2... ..

A R X -o '33 G-C Final Report Salmonella - Escherichia co/zTMammalian-Microsome Reverse Mutation Assay with PFOS PREPARED FOR: 3M Corporate Toxicology COVANCE STUDY NUMBER: 20784-0-409 001923 C O V A trc > THE DEVELOPMENT SERVICES COMPANY FINAL REPORT SALMONELLA - ESCHERICHIA C0Z//MAMMALIAN-MICROSOME REVERSE MUTATION ASSAY WITH PFOS AUTHOR Michael S.

3M Medical Department Study: T-6295.10 AR226-1030A003 BACK TO MAIN Analytical Report: FACT TOX-099 LRN-U2400 Study Title Oral (Stomach Tube) Developmental Toxicity Study of PFOS in Rabbits Analytical Laboratory Report Title Determination of the Concentration of Potassium Perfluorooctanesulfonate (PFOS) Fluorochemical in Rabbit Liver and Serum Specimens Data Requirement Not Applicable Author 3M Environmental Laboratory Analytical Phase Completion Date at signing Performing Laboratories Liver and Serum Extractions Liver and Serum Analyses Pace Analytical Services, Inc.

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NOTICE: This compact disk (CD) contains information that 3M is voluntarily submitting as part of continuing discussions with the EPA regarding fluorochemistry.