AR22~1846 . }i sos: APILOT REPRODUCTION STUDY WITH THE MALLARD FINAL REPORT `WILDLIFE INTERNATIONAL, LTD.

Report 01-1256 PFOS: A Reproduction Study with the Mallard Study Title PFOS: A RANEAPLRYOTDIUCCATLIPOHNASSTEURDEYPWOIRTTH FTOHRE MALLARD.

NORTHERN KENTUCKY OFFICE SUITE 340 1717 DIXIE HIGHWAY COVINGTON, KENTUCKY 41011-4704 606-331 -2838 513-381-2838 FAX: 513-381-6613 DAYTON, OHIO OFFICE SUITE 900 110 NORTH MAIN STREET DAYTON, OHIO 45402-1 786 937-228-2838 FAX: 937-228-2816 ROBERTA.

AR226-2039 INTEROFFICE MEMORANDUM Date: Prom: 21-Sep-1998 12:30pm EDT JACK OFFENBERGER OFFEMBJL Dept: Tel No: COPOLYMERS B-180T 863-4959 TO: 4 addressees CC; 5 addressees Subject: C-8 I have made charts showing the C-8 sample results for the past five years.

AR226-2158 / Oscar T Garza 07/12/2001 08:05 AM To: cc: Subject: Karl G Kronberg/AE/DuPont@DuPont, Chris E Shoop/AE/DuPont@DuPont Robert L Ritchey/CL/DuPont@DuPont Re: Surfactant Modeling Note #2 - Possible Funding Request Fyi -Trini Forwarded by Oscar T Garza/AE/DuPont on 07/12/2001 07:03 AM - Robert F Pincnot 07/12/2001 07:23 Aim To: cc: Subject: David M Rurak/AE/DuPont@DuPont Oscar T Garza/AE/DuPont@DuPont Re: Surtactant Modeling Note #2 - Possible Funding Request Q Dave, Yes it does.

AR226-2357 /y Andrew S Hartten ""'"" 02/20/2004 10:46 AM To: cc: Subject: Mark Houlday/AE/DuPont@DuPont Re: Proposed Monitoring Locations-Need to Discuss Please print, thanksl -------------------- Forwarded by Andrew S Hartten/AE/DuPont on 02/20/2004 10:50 AM -------------------------- "Steve Williams" <steve.williams@epa.state.oh.us> on 02/19/2004 05:46:26 PM To: cc: Subject: <Libelo.laurence@epamail.epa.gov>, Andrew S Hartten/AE/DuPont@DuPont Re: Proposed Monitoring Locations-Need to Discuss Andrew and Laurence, Unfortunately, my schedule will not allow me to attend or tie in by phone to the meeting on February 26.

AR226-2433 EPA/STATE..'.SsOr'TiFICATIONON FC-143 RESULTS ON LOCAL LANDFILL (Letter.

AR226-2441 TO: Rik Brandenburg INTEROFFICE MEMORANDUM Date: Froy: Dept: Tel No; 20-Mar-1997 14;42 C.de Heer HEERC RSD Lab Hoofdgebouw 31-786301944 ( BRANDERA ) Subject; C8 in P27-1047 dispersie Rik, voor het dispersie monster P27-1047 uit de U.S.A. heb ik de volgende CS-gehaltes gevonden: Hethyleenblauw methode: C8 = 998 en 999 ppm ' GC-methode: C8 = 955, 900 en 1041 ppm jij Zoals je ziet in beide gevallen veel hoger dan de U.S.A.

AIQY -'OOWIt ^123 AR226-2468 08/29/00 07:540:02/02 N0:125 -8- IfftXaMLAMEEILL 3SSQ.

AR226-2489 OiiPtffl Waslincrer!

AR226-2523 I I THIRD QUARTER 2003 C-8 SURFACE WATER AND GROUNDWATER I MONITORING REPORT I FOR WASHINGTON WORKS FACILITY AND LOCAL, LETARTAND DRY RUN LANDFILLS I WASHINGTON, WV I I I Date: October 2003 Project No.: D6WW7423.01 18983632.00028 18983633.00Q26 18983634.00026 I I I CORPORATE REMEDIATION GROUP An Alliance between DuPonf and UffS Diamond I Barley Mill Plaza, Building 27 Wilmington, Delaware 19805 I I I ASH026479 EID779761 EID779761 I sudac waist IwuS Ommdwatef htonltorir^ RepMt Table of Contents TABLE OF CONTENTS I 1.0 Introduction.......................... 2.0 C-8 Analytical Reporting.,...

AR226-2623 11 Draft: Prepared at the Request of Council AR226-2623 Data and Modeling Procedures Dispersion modeling was performed using the U.S.

AR226-2671 61 AR226-2671 SOIL COLUMN LEACHING STUDY FOR PFOA Date: August 2004 Project No.: 507423 18983990.04006 CORPORATE REMEDIATION GROUP An Alliance between DuPont and URS Diamond Barley Mill Plaza, Building 27 Wilmington, Delaware 19805 1.0 STUDY PURPOSE & PRINCIPLE A soil column leaching study for perfluorooctanoic acid (PFOA) was designed by DuPont to determine the vertical mobility or leaching of air deposited ammonium perfluorooctanoate (APFO)/rainwater mobilized PFOA through clayey silt and silty clay soil.

AR3RG. 4705 27 Arar. 2708 Duron 14365 `TRADE SECRET Study Title Hydrolytic Stability of H-25435 as a Functionof pH TEST GUIDELINES: OECD Guideline 111 AUTHOR: Bogdan Szostek, Ph.D.

AR226-2960 DU FONT USE ONLY Du Font HLR 457-91 Study Title STATIC, ACUTE, 48- AND 64-HOUR EC50 O^II^JUr10 Paphnia aagna Data Requirement Organisation tor Economic Co-Operation and DevelopfBent (OECD) GuiHeifne for' festTng ChemicaTsY 2'02' Author Kevin N.