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AR226-2531 TO: B.

AR226-2643 SHI AR226-2643 --92SS0''' PROJECT 1200000GW SAMPLING 8/02 GW SAMPLING 8/02 GW SAMPLING 8/02 GW SAMPLING 8/02 202000GW SAMPLING 8/02 GW SAMPLING 8/02 201000GW SAMPLING 8/02 GW SAMPLING 8/02 212000GW SAMPLING 8/02 GW SAMPLING 8/02 SRCNAME THEME DATESMPL SMPLT WELL1 Groundwater 8/6/2002 FS WELL10 Groundwater 8/6/2002 FS WELL2 Groundwater 8/6/2002 FS WELL3 Groundwater 8/6/2002 FS WELL4 Groundwater 8/6/2002 FS WELL5 Groundwater 8/6/2002 FS WELL6 Groundwater 8/6/2002 FS WELL7 Groundwater 8/6/2002 FS WELL8 Groundwater 8/6/2002 FS WELL9 Groundwater 8/6/2002 FS SAMPLE_NUMBER SH-WELL1 SH-WELL10 SH-WELL2 SH-WELL3 SH-WELL4 SH-WELL5 SH-WELL6 SH-WELL7 SH-WELL8 SH-WELL9 TOP BOTTOM FILTERED T T T T T T T T T T CASNO 3825261 3825261 3825261 3825261 3825261 3825261 3825261 3825261 3825261 3825261 ANALYTE FC-143 FC-143 FC-143 FC-143 FC-143 FC-143 FC-143 FC-143 FC-143 FC-143 RsItPost 306000 698000 697000 31700 243000 1540000 RsItVal UNITS 1200000 NG/L 306000 NG/L 698000 NG/L 697000 NG/L 202000 NG/L 31700 NG/L 201000 NG/L 243000 NG/L 212000 NG/L 1540000 NG/L Hit LAB_ANALYTE 1 FC-143 1 FC-143 1 FC-143 1 FC-143 1 FC-143 1 FC-143 1 FC-143 1 FC-143 1 FC-143 1 FC-143 QUAL EPA QUALJNHOUSE REVIEW METHODNO 01M-008-046 01M-008-046 01M-008-046 01 M-008-046 01 M-008-046 01 M-008-046 01 M-008-046 01 M-008-046 01M-008-046 01 M-008-046 AR226-2643 C8 results Envista 111104.xls Page 1 PREPMTHD PREPREP DRY LAB NUMBER RSLTMOD RESULT UNIT MDL PQL DUPNO None NS 1 L33570-1 1200000 NG/L 500000 1 None NS 1 L33570-10 306000 NG/L 50000 1 None NS 1 L33570-2 698000 NG/L 500000 1 None NS 1 L33570-3 697000 NG/L 500000 1 None NS 1 L33570-4 202000 NG/L 50000 1 None NS 1 L33570-5 31700 NG/L 5000 1 None NS 1 L33570-6 201000 NG/L 50000 1 None NS 1 L33570-7 243000 NG/L 500000 1 None NS 1 L33570-8 212000 NG/L 50000 1 None NS 1 L33570-9 1540000 NG/L 500000 1 SHI C8 results Envista 111104.xls Page 2

r 3 SfM Ammonium Perfluorooctanoate: Cross-Sectional Surveillance in a Community Sample of Clinical Measures of General Health Status Related to a Serum Biomarker of Exposure A Study Protocol Preparedfo r DuPont Haskell Laboratory Newark, Delaware Prepared by The Sapphire Group, Inc.

AR226-2811 DuPont-13788 Trade S ecret Review of Proliferative Lesions of the Exocrine Pancreas in Two Chronic Feeding Studies in Rats with Ammonium Perfluorooctanoate Authors Steven R.

AR226-2841 vy Copies toil Haskell L a b !

FOR DU PONT PSE ONLY AR226-2969 Du Pont BLR 802-91 Study Title Skin Irritation Test vith n Rabbits Author John V.

CCR C ytotest Cell R esearch GmbH & Co.

This study ss Standard (40 CFK 7#, study records.

AR226-3035 DuPont HUI 822-95 HASKELL LABORATORY POR TOXICOLOGY AUD INDUSTRIAL MEDICINE STATIC, ACUTE 48-HOOK SCREENING TEST OF H-21460 Daphnie w a a , CONTINUED Based on visual observations, all solutions were clear, except for 50 mg/L which was slightly cloudy, 500 mg/L which was cloudy, and 5000 mg/L which was cloudy and white in color.

TRADE SECRET AR226-3084 DuPont HL-1997-01291 Study Title H-23004: Oral Approximate Lethal Dose (ALD) in Rats Laboratory Project ID: HL-1997-01291 Author: Tracy A.

CONFIDENTIAL AR226-3110 DPT478/992105 This report is considered by the Study Director to be the `final drift''and has bien submitted fthe Huntingdon Life Scienees.Quality Assurance Department for Audit _ _ The Sponsor is requested to review this document and commnni|aterafi.y coipients^to^fc_S^Jdrectc-,as soon as possible.

AR226-3122 g a ttm ia * u v 5 a c E W j :i3 ^ g iw v s a ^ mr7BTn;p,'iiaBgT.gncnCTO T fa a y ^ j: CONFIDENTIAL DPT 429/984523/AC ACUTE ORAL TO XICITY TO THE RAT (FIXED DOSE M ETH O D) Sponsor DuPont Speciality Chemicals Jackson Laboratory Chambers Works Deepwater NJ 08023 USA Research Laboratory Huntingdon Life Sciences Ltd P.O.

AR226-3144 CONFIDENTIAL SPONSOR Elf Atochem S.A.

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