AR226-3211 DuPont-2923 Supplement No. 1 TRADE SECRET Study Title H-23961: Biopersistence Screening 10-Dose Oral Gavage Study in Rats Supplement No. 1 Laboratory Project ID: DuPont-2923 AUTHOR: Carol Finlay, B.A.

TRADE SECRET Study Title H-24002: Biopersistence Screening 10-Dose Oral Gavage Study in Rats Supplement No. 1 Laboratory Project ID: DuPont-2926 DuPont-2926 Supplement No. 1 AR226-3216 AUTHOR: Carol Finlay, B.A.

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September 29,2006 Page 3 ATTACHMENT 2 Tables and excerpts from the draft protocols that contain raw data C-8 blood levels.

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ervkes" Created with Analyst Reporter Printed: 14/02/2010 6:41:00 PM Project Data File Acquisition Method Ewan's Projects\PFCs 020810b\CalLong.wiff PFCkinetexLong.dam Result Table Algorithm Used Instrument Name 02081 OSamplesLong.rdb IntelliQuan API 5000 Sample Name Acquisition Date Acquisition Method Sample ID Sample Comment PFC 5.0ppb 2/8/2010 6:45:29 PM PFCkinetexLong.dam LCMS2-85D Injection Vial Injection Volume Sample Type Dilution Factor Weight to Volume 5 5 Standard 1.00 0.00 Results Summary Analyte Name Analyte RT (Expected) PFOA 1 1.39 (1.36) PFNA 1 2.30 (2.42) PFOS 1 2.36 (2.53) PFDA 1 3.34 (3.34) PFUnA 1 4.12(4.06) PFDS 1 4.13(4.10) PFDoA 1 4.76 (4.63) PFTrA 1 5.29 (5.14) PFTeA 1 5.76 (5.74) IS Name 13C-PFOA 13C-PFNA 13C-PFOS 13C-PFDA 13C-PFUnA 13C-PFOS 13C-PFDOA 13C-PFDoA 13C-PFDOA IS Area 2766100 2154600 6761100 2111500 172740 6761100 199680 199680 199680 Analyte Area 651680 1218400 3709300 1041800 848100 3957300 578950 408680 278340 Exp Cone (ng/mL) 5.000 5.000 5.000 5.000 5.000 5.000 5.000 5.000 5.000 Calc.

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