j . acAx .s 'ifVc.

AR226-2113 Industrial Hygiene Sample Date Range Concentration Range Action Level 1/1/86 100% 12X31/86 Sample Dt Sam ple# Duration Type Employee Name B T O : OS TEFLON LO C : 7D1 FINE PO W DER DRYER-EAST SID E #2 3/5/86 46263 950 Z 6/486 43264 360 z earns 46265 330 z 8/8/86 46273 390 z 8/5/88 40272 390 z 8/10/86 46271 360 z 8/116 46270 390 z 8/12/86 46269 350 z 8/13/86 46268 390 z 8/16/86 46267 390 z 8/25/86 46266 330 z 9/12/86 46275 360 z 9/15/86 46274 360 z 11/9/86 46276 330 z 11/22/86 46277 375 z Pere Chemical C-S/FC-143 C-S/FC-143 C-8/FC-143 C-8/FC-143 C-S/FC-143 C-S/FC-143 C-S/FC-143 C-S/FC-143 C-S/FC-143 C-S/FC-143 C-8/FC-143 C-S/FC-143 C-S/FC-143 C-S/FC-143 C-S/FC-143 BTO: 03 TEFLON LOG: 702 FINE POWDER DRYER CONTROL ROOM (ALSO SEE TTFC1 8/12/86 36601 350 z C-S/FC-143 8/13/86 36600 390 z C-S/FC-143 8/16/86 36599 390 z C-S/FC-143 10/24/86 36602 300 z C-S/FC-143 11/13/86 36604 255 z C-S/FC-143 BTO: 08 TEFLON LOG: 703 FINE POWDER PACKOUT ROOM 2/26/86 34534 390 z 5/21/85 3453?

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).

AR226-2790 FOR DU PONT USE ONLY Approximate Lethal Concentration by Inhalation (ALC) of Ammonium Periluorononanoate (C-9) Haskell Laboratory Report No. 293-85 E.

FOR DU PONT USE ONLY AR226-2792 Subchronic Inhalation Toxicity of iln Rats Haskell Laboratory Report No. 273-85 MR No E.

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

% 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 .

AR226-3139 CONFIDENTIAL SPONSOR Elf Atochem S.A.

TRADE SECRET Study Title H-23960: Biopersistence Screening 10-Dose Oral Gavage Study in Rats Laboratory Project ID: DuPont-2922 AR226-3152 DuPont-2922 Author: Carol Finlay, B.A.

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.