DuPont Engineering July 22,2002 AR226-2609 OuPont Engineering BurloyMill PlKt.Blds.27 Lincastrr Pjk6 & Rtg. 141 Wilffiingtmi, DE 1S805 Mr.

AR226-2636 24 AR226-2636 MARCH 2003 2ND ROUND C-8 SAMPLING DUPONT FAYETTEVILLE WORKS FAYETTEVILLE, NORTH CAROLINA Date: June 2003 Project No.: 18983753.00037 CORPORATE REMEDIATION GROUP An Alliance between DuPont and URS Diamond Barley Mill Plaza, Building 27 Wilmington, Delaware 19805 March 2003 2nd Round C-8 Sampling Introduction On March 27th 2003, gromidwater was sampled from four monitoring wells at the DuPont Fayetteville Works, m addition, a combined surface and wastewater sample was collected above Outfall-002.

AR226-2668 58 AR226-2668 Particle Size Distribution ofPFOA in Ambient Air Data Summary and Analysis May 2004 Prepared for DuPont Fluoroproducts Washington Works 8480 Dupont Road Washington, WV 26181 Prepared By DuET - Reaction Engineering DuET - Environmental Engineerim SUMMARY A sampling program was conducted to evaluate the particle size distribution (PSD) ofPFOA in ambient air at the Washington Works site.

^ 1 RECYCLED %;^-.- AR226-2696 00 EMSER 70-03/4842 AR226-2696 STUDY PROTOCOL ACCELERATED BIODEGRADATtON OF 8-2 TELOMER B ALCOHOL SPONSOR E.

f #R226_27/6 3 | Maas. 2716 AMMONIUM PERFLUOROOCTANOATE: CROSS-SECTIONAL SURVEILLANCE INA COMMUNITY SAMPLE OF CLINICAL MEASURES OF GENERAL HEALTH STATUS RELATED TO A SERUM BIOMARKER OF EXPOSURE A STUDY PROTOCOL Preparedfor DuPont Haskell Laboratory Newark, Delaware Prepared by The Sapphire Group, Inc.

Analysis #0615.01 Revision 01 Supersedes Date: None Effective Date: Page 1 of 16 M,.-- 0,. 9,, AR226-2725 2,,0,.,0,,1 FG-143 in WaterWastewater by SPME/GCMS Reference: 1.

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AR226-3107 | : aaes ek Ce = -- = Ee ee ee ee Cn IREE e Ey y: Es ee i = Penal en hee q - L -- e ee nt pie n nTSOaon \ Capa lr { Li ead i CONFIDENTIAL DPT 430/984441/SE SKIN IRRITATION TO THE RABBIT Sponsor DuPout';Speciality Chemicals Jackson Laboratory Chambers Works Deepwater NJ 08023 USA Research Laboratory Huntingdon Life Sciences Ltd' P.O.

AR226-3180 DuPont-6405 TRADE SECRET Testing Guidelines International Conference on Harmonisation (ICH) of Technical Requirements for Registration of Pharmaceuticals for Human Use.

AR226-3186 TRADE SECRET Study Title H-24616: Subchronic Toxicity 90-Day Gavage Study in Rats with One-Generation Reproduction Evaluations Volume 3 of 5 Laboratory Project ID: DuPont-4739 DuPont-4739 TEST GUIDELINES: U.S.

AR226-3187 DuPont-4739 TRADE SECRET Study Title H-24616: Subchronic Toxicity 90-Day Gavage Study in Rats with One-Generation Reproduction Evaluations Volume 4 of 5 Laboratory Project ID: DuPont-4739 TEST GUIDELINES: U.S.

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

AR226-3361 Measured vs.

L Rcpo Perflt Sainp and Ser-.ice.% St. 77N*fl4-24 3M LaWratDryRepit LCMSMS Analysisof ixtractsreportedin:"PreliminaryReport Analysisof PerfluorinatedCompounds inEnvironmentalSamples" by P.

ACUTE TOXICITY TO FISH TEST SUBSTANCE Identity:N-methylperfluorooctanseulfonamidoethanolm;ay also be referredtoas N-MEFOSE Alcohol,FC-790, or FM-3925.