C.

S/23/80 PERSONAL & CONFIDENTIAL cc.

BACK TO MAIN TOXICITY TO AQUATIC PLANTS (SELENASTRUM CAPRICORNUTUM) TEST SUBSTANCE Identity: Perfluorooctanoic acid, tetrabutylammonium salt; may also be referred to as PFOA tetrabutylammonium salt, tetrabutylammonium perfluorooctanoate, N2803-2, or as a major component of L -13492.

BACK TO MAIN Analytical Report Fluorochemical Characterization of Sediment, POTW Sludge, and Landfill Leachate Samples Mobile, AL (W2151) Centre Analytical Laboratory Report No. 023-014s (Revision 1) Revision Date 3/28/01 Testing Laboratory Centre Analytical Laboratory, Inc. 3048 Research Drive State College, PA 16801 ~ 3M Environmental Laboratory Contact Kent R.

TO: TECHNICAL COMMUNICATIONS CENTER - 201-2CN (Importaiit - I f roport i s printed on bod, sides o f paper, send tw copies to rcc

Sponsors: APME Ad-Hoc APFO Toxicology Working Group FINAL REPORT Study Title: 26-Week Capsule Toxicity Study with Ammonium Perfluorooctanoate (APFO) in Cynomolgus Monkeys Author: Peter J.

3M Medical Department Study: T-6316.1 3M Medical Department Study: T-6316.1 Analytical Report: FACT-TOX-003 LRN-U2104 Analytical Report: FACT TOX-003 LRN-U2104 Study Title 104-Week Dietary Carcinogenicity Study with Narrow Range N-Ethyl PerfluorooctanesulfonamidoEthanol in Rats Analytical Laboratory Report Title Determination of the Presence and Concentration of PFOS, PFOSA, PFOSAA, EtFOSE-OH, M556, and PFOSEA in Serum and Liver Samples of Crl:CD@(SD)IGS BR Rats Exposed to N-Ethyl PerfluorooctanesulfonamidoEthanol Data Requirement Not Applicable Author 3M Environmental Laboratory Study Completion Date JuAntes0ig6n,in2g001 Performing Laboratories Liver and Serum Analyses JI 3M Environmental Laboratory Building 2-3E-09,935 Bush Avenue St.

Studs NO.T-6316.9: DT21 Fluorochemical (FC) Levels in Naive Rats Final Report, Revision A January 09,2002 In-Life Start Date: July 8,1998 In-Life End Date: July 28, 1998 Study Location: 3M Strategic Toxicology Laboratory Corporate Toxicology 3M Medical Department 3M Center, Building 270-SB-314 St.

I ros: NORTHERN 'AREPRODUCTION BSOTBUWDHYIWTIETH THE FINAL REPORT WILDLIFE INTERNATIONAL, LTD.

AR226-2044 y Jack L Offenberger 07/07/99 01:68PM To: cc: Subject: Lester H Marks/AE/DuPont@OuPont, Stephen J Devries/CL/DuPont@DuPont, James W Hunt/Cl-/DuPont@DuPont, Partick J Cavanagh/CUDuPont@DuPont, Kevin C Rent2sch/AE/DuPont@DuPont Lauren D Andwson/AE/DuPont@>DuPont.

AR226-2057 C-B PERSONAL AIR MOUTOMN8 3ATA NASHIN6TON WORKS - BTO COPOPTMERS ORSA <A88) (AEa.

AR226-2328 ^ J Bart Ruiter 04/08/2003 07:34 AM To: cc: Subject: Maria S Angelo/AE/DuPont@DuPont, Richard S Vickery/AE/DuPontQDuPont, Thomas R Morgan/AE/DuPont@DuPont, Mary A Kaiser/AE/DuPont@DuPont Stephen W Gonstable/AE/DuPont@DuPont, Catherine A Barton/AE/DuPont@DuPont, Robert A Reich/AE/DuPont@DuPont Charnbers Works: Effluent and River Draft Sampling Plan Maria, Rick and Tom I upgraded the Phase I sampling plan for the effluent and river based on your comments.

AR226-2360 E.!.

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