6 _ II^B FINAL REPORT IN VIVO RAT MICRONUCLEUS ASSAY COVANCE STUDY: 22900-0-4540ECD STUDY SCHEDULE: Study Initiation Date: 18-Oct-2001 Initial Dose Date: Study Termination Date: Final Report Date: 23-Oct-2001 19-Nov-2001 25-Jan-2002 rc<Us3s2sy3 G>?

| Andrew S Hartten 11 /0r2002 08:55 AM f To: Vic E KleInfelter/AE/DuPont@DuPont cc: Seiichi Tanaka/PO/DuPont@DuPont.

FOSA 3M FLUOROCHEMICAL SUBMISSIONS February, 2002 - May 11, 2004 TOXICOLOGY, EPIDEMIOLOGY AND MEDICAL SURVEILLANCE Click on Study Title to View Report Perfluorooctanesulfonamide Toxicokinetic Study 1.

3M Strategie Toxicology Laboratory Study Title: Acute Inhalation Limit Toxicity Study of Perfluoroctanesulfonyl Fluoride (POSF) T-7098.3 Test Number (sample): T-7098.3 (Perfluoroctanesulfonyl Laboratory Project Identification: ST64 In-Life Initiation Date: 5/1/2001 In-Life Completion Date: 5/14/2001 Fluoride(POSF) Research Client: 3M Specialty Materials Division 3M Center Building 236 Saint Paul, MN 55133-3220 Testing Laboratory: 3M Strategic Toxicology Laboratory 3M Center Building 270-SB-181 1 Saint Paul, MN 55133-3220 Study Director: Andrew M.

AR226-2576 GIST Telephone Conference Minutes January 30,2002 Participants Dave Watkins-WVDEP George Dasher - WVDEP Don Criss - WVDEP Dr.

AR226-2598 REVISED GROUNDWATER FLOW MODEL DUPONT WASHINGTON WORKS WASHINGTON, WV Date: January 2003 Project No.: 18983635 7423 CORPO RATE REM EDIATION G R O U P An Alliance between DuPont and UPS Diamond Barley Mill Plaza, Building 27 Wilmington, Delaware 19805 A SH 020280 E D 630708 Revised Groundwater Flow Modal Introduction TABLE OF CONTENTS 1.0 Introduction,-,*.... ........................*****................................ ................................... j 2.0 Site Setting, Geology, and Hydrogeology...................................................................4 2.1 Site Setting.................................................... ......................................... ...........* 2.3 Hydrogeology......................................................................................... 3.0 Primary Data Sources............ ....................................................................................2 5 4.1 ModelDomain and Discretization................................. 9 4.2 Boundary Conditions.... ................................................ ................................. 4.2.1 No Flow Boundaries 4.2.2 Ohio R iver....................... 1 4.2.3 Minor Surface Water Features............................................................ 12 4.2.4 Pumping Wells........ ............................................. 13 4.3 Main Input Values....,...... ............................... ...............*.............................^ 4.3.1 Hydraulic Conductivity......................................................................16 4.3.2 Recharge........ ........................ 1 5.0 Groundwater Model Calibration............ ......................... . - ...................... --......

<r 1 AR226-3171 TRADE s e c r e t Study TMe Authors Valentine O.

3M 3M Corporate Toxicology and Regulatory Services 3M Center, Building 0220-06-E-03 St.

3M Corporate Toxicology and Regulatory Services 3M Center, Building 0220-06-E-03 ` St.

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INTERIM REPORT #24 - Analysis of Water.

SEVERN TRENT LABORATORIES ANALYTICAL REPORT JOB NUMBER: 238586 Prepared For: Weston Solutions, Inc. 1400 Weston Way Building 5-2 West Chester, PA 19380-1499 Project: Confidential Decatur - FC Investigation Attention: Jai Kesari Date: 07/29/2005 Signature Name: Richard C.

SEVERN TRENT LABORATORIES ANALYTICAL REPORT JOB NUMBER: 244436 Prepared For: Weston Solutions, Inc. 1400 Weston Way Building 5-2 West Chester, PA 19380-1499 Project: Confidential Decatur - FC Investigation Attention: Jai Kesari Date: 03/06/2006 Signature Name: Richard C.

SEVERN TRENT LABORATORIES ANALYTICAL REPORT JOB NUMBER: 245318 Prepared For: Weston Solutions, Inc. 1400 Weston Way Building 5-2 West Chester, PA 19380-1499 Project: Confidential Decatur - FC Investigation Attention: Jai Kesari Date: 04/07/2006 Signature Name: Richard C.

71 pp Ann K.