Gunter Oberdorster <Gunter_Oberdor3ter@urmc.rochester.edu> on 05/30/2001 03:00:43 PM To: Rudolph Valentine/AE/DuPont cc: Subject: PTFE data Dear Rudy: Attached you will find the revised table of the whole-body exposures of rats to PTFE fumes including the information you requested in your e-mail of May 11, 2001, i.e., results of individual rats and their exposure conditions.

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3M FLUOROCHEMICAL SUBMISSIONS February, 2002 - May, 2004 INDEX OF 3M'S 2002-2004 AR-226 DOCKET SUBMISSIONS BY DATE Back to Menu MAY 2002 Click on Study Title to View Report May 10, 2002 May 10, 2002 Submission Cover Letter Addendum, Supplement to the Two-Generation Reproduction Study of Ammonium Perfluorooctanoate in Rats Previously Submitted to the Docket on April 2, 2002: Final Report, Protocol 418-020, Argus Research, Charles River Laboratories, May 1, 2002.

Larry K.

TherImmune R esearch C orporation smosso. 3M Corporate Toxicology Building 220-2E-02, 3M Center St.

AR226-2110 Test Results Industrial Hygiene Sample Date Range Concentration Range 1/12 12/312 Action Level 100% ---.-.IV.

AR226-2324 Charles J Zarzecki 04/03/2003 01:34 PM To: cc: Subject: Catherine A Barton/AE/DuPont Re: Beychok Article 0 ) Cathie, l think they are really not 2separate issues.

AIQY 123 H xm rntan ^OMoiaMma AR226-2497 08/31/01 1 1 :0 1 0 :0 2 /13 N 0:1S0 MW &-j' Tl> x i'-'-'' . . . _ * * jn ir r '- ir t August 22,2001 SU rS v'1> *" Ms.

AR226-2509 # # Stephen R Peck 03/07/2002 08:21 PM To: Yasu Shibuta/SE/DuPont@DuPont cc: Ta-Wei Fu/SE/DuPont@DuPont, Mohammad Rezaei/SE/DuPont@DuPont Subject: Procedure for Analytical Determination of APFO Procedure for Analytical Determinatior EDD0042621

AR226-2573 COMPILATION OF HISTORICAL C-8 DATA DUPONT WASHINGTON WORKS MAIN PLANT AND LANDFILLS Date: January 2002 Project No: D6WW7423 h^ CORPORATE REMEDIATION GROUP An A lliance between DuPont a n d URS Diam ond Bailey MWM eza, Building 27 Wilmington, Dataware 19805 JSO0X5042 1D 62 777 TABLE OF CONTENTS 1.0 Introduction......................... ................................. . ........... . 1-1 1.1 Document Organization................................ ............1-1 1.2 C-8 Historical Laboratory Analysis.............. 1.3 Physicochemical Data for Ammonium Perfluorooctanoate (C-8) .. ............1-2 1.4 References....................................................... .................................. ............1-2 2.0 Washington Works Main Plant...................................................... 2.1 Introduction.,....... ................................................... .............. 2.2 Environmental Setting.................................. ........................ 2.2.1 Geology.,............................................................... 2.2.2 Hydrology, Hydrogeology and Groundwater Flow 2.3 Water Quality........................... ............................................. 2.3.1 Surface Water Quality...................................... 2.3.2 Groundwater Quality........................................ 2.3.3 Drinlring/Tap Water Quality............................. 2.4 Site Conceptual Model................................................... 2.5 Data Gaps *****..

TRADE SECRET Study Title H-24159: Biopersistence Screening 10-Dose Oral Gavage Study in Rats Supplement No. 1 Laboratory Project ID: DuPont-4182 DuPont-4182 Supplement No. 1 AR226-3217 A u t h o r : Carol Finlay, B.A.

3M Company Page 1 Date: May 16.2006 FINAL REPORT Epidemiology', 220-3W-05 Medical Department 3M Company St.

Katherine E.

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