Berti DuPont Glasgow Labs Adsorption-Desorption Screening Studies of Ammonium Perfluorooctanoate; W illiam R.

Blood 900 Blood 100 Blood 38 Blood 1,900 Blood 4,900 Blood 1,500 Blood 68 Blood 1,000 Blood 820 Blood 1,600 Blood 1,500 Blood 140 Blood 1,900 Blood 2,200 Blood 45 Blood 3,900 Blood 800 Blood 800 1,800 Blood Blood 1,200 Blood 1,500 Blood 180 Blood 1,300 Hood 4,500 Blood 10.000 Blood 1,500 Blood 670 Blood 8.900 Hood A cct # 95240 95240 95240 95240 95240 95240 95240 95240 95240 95240 95240 95240 95240 95240 95240 95240 95240 95240 95240 95240 95240 95240 95240 95240 95240 95240 95240 95240 95240 95240 95240 95240 95240 95240 95240 95240 95240 95240 95240 95240 95240 95240 95240 95240 95240 95240 95240 95240 95240 95240 95240 95240 000259 CONFIDENTIAL Analytical Results of PFOA blood samples 1 C om pany S am pling d a te Dyneon 5/24/00 Dyneon 19.055000 Dyneon Dyneon Dyneon 19.05.2000 19.05.2000 19.055000 Dyneon D yneon control + 5 mgfl control + 10 m g/t Dyneon Dyneon Dyneon 18.055000 control +-5 m g/l control +10 mg/l Dyneon 18.05.2000 Dyneon 18.055000 Dyneon control+ 5 mg/l Dyneon control +10 mg/l Dyneon Dyneon Dyneon Dyneon 18.055000 control + 5 mgfl control + 10 mg/l 17.05.2000 Dyneon Dyneon D yneon Dyneon (\ D yneon Dyneon D yneon 17.05.2000 17.055000 17.05.2000 16.05.2000 16.05.2000 16.05.2000 15.055000 Dyneon 15.055000 Dyneon 15.055000 D yneon 15.055000 DuPont DuPont DuPont DuPont DuPont DuPont DuPont DuPont DuPont DuPont DuPont DuPont DuPont DuPont D uPont DuPont DuPont DuPont DuPont L abo r ID 1019 1018 1015 1017 1016 10162 10163 1014 10142 101 1011 1012 10122 16123 1013 10132 10133 1009 1010 1006 1007 1005 1004 1006 1003 1000 1001 1002 S chiw ant re s u lts m g/l 0.4 0.20 0.10 0.30 0.40 4.8 95 0.40 450 8.60 0.30 0.10 4.3 8.5 050 4 .4 8.8 1.00 0.10 0.20 0.20 050 0.60 0.30 0.10 0.30 0.10 aso NM3 re s u lts m g/l 122180 163023 102935 85472 65970 412933 205669 229213 265542 285566 305155 324507 345523 365165 373145 382970 4011025 21530 425803 0.70 8.30 1.10 0.80 1.30 0.20 1.00 6.00 0.70 0.30 0.30 150 1.00 0.50 0.10 2.40 <0,1 2.30 0.80 0 0 2 0 XT m # tzesvcT S Y JkOQO !

AR226-2509 9 Stephen R Peck 03/07/2002 08:21 PM To: cc: Subject: Yasu Snibuta/SE/DuPon1@DuPont Ta-Wei Fu/SE/DuPont@DuPont, Mohammad Rezaei/SE/DuPont@DuPont Procedure for Analytical Determination of APFO Prnr.p.ritirB for Analvtinal DRtfrminatinr EDD0042621

AR226-2511 <f AkitoAbe 04/01/2002 09:46 PM To: cc: Subject: Stephen R Peck/SE/DiiPont@DiiPont Yoshihiro Hayatsu/PO/DuPont@DuPont, Hidetaka Hiromatsu/PO/DuPorrt@DuPon-t, Paul K Mathur/CL/DuPont@DuPont, Ta-Wei Fu/SE/DuPont@DuPont C-8 analysis at WW lab Steve, I imagine you had enjoyed in your Easter holidays.

Ann Bradley/STB/DUP@DUP,BemartI J R8illy/AE/DuPont@DuPont, DWATKIN8@MA1L.DEP.STATE.WV.US, QDASHER@MAIL.DEP.STATE.WV.US.

Andrew Hartten from DuPont to address the details of the sampling effort Sincerely, Steven E.

Bilott has in excess of 110,000 pages of documents produced by DuPont on the subject ofC-8.

DuPont Internal Report, "Study Of Myocardial Infarction At Washington Works Plant" (1975) (DUPONT910-918);i/ and 2.

Rurak Safety, Health, and Environmental Manager DuPont Fluoroproducte CRPBld.711/2210-C P.O.

AR-226 and/or OPPT-2003-0012 Re: Submission of DuPont Progress Report on Environmental Assessments Pursuant to the APFO Users LOI dated March 14, 2003 Dear Sir/Madam: This progress report is submitted in accordance with commitments made by DuPont in section D2 of the above-referenced APFO Users LOI.

', Gannon J.T.1, and Buck R.C.3 ' DuPont Central Research and Development, Wilmington, USA; 2 DuPont Haskell Laboratory; USA3 DuPont Chemical Solutions Enterprise, USA.

In response to your request, DuPont compiled pertinent documents that provide drinking water monitoring results for drinking water in and around the DuPont Washington Works facility in Parkersburg, West Virginia.

AR226-3176 DuPont-6011 TRADE SECRET Study Title H-24516: Influence on Growth and Growth Rate of the Green Alga Selenastrum capricomutum Laboratory Project ID: DuPont-6011 AUTHOR: Terry Lee Sloman, B.S.

AR226-2292 Chris EShoop 10/17/2002 10:07 AM To: Robert L RitcheyVCL/DuPont@DuPont ck OscarT Garza/AE/DuPont@DuPont, Ta-Wei Fu/SE/DuPont@DuPont, Fred M Lentz/SE/DuPont@DuPont, Karl GKronberg/AE/DuPont@DuPont, Debbie J Mulrooney/AE/DuPont@DuPont, Robert I Wevodau/SE/DuPont@DuPorrt Subject Explanation of input Data for Modeling Studies Bob, Per your request and in preparation for discussions with the Ohio EPA, please see the foltowing descripflon of the development o f the emission numbers used in the modeling studies for 2002 and 2003.

DuPont do Nemours & Co..