AR226-2483 fii July 16, 2001 C E R T IF IE D M A IL RET U R N R E C E IP T R E Q U E ST E D M s.

AR226-2812 DuPont-12944 TRADE SECRET Study Title Perfluorooctanoic Acid: Relationship Between Repeated Inhalation Exposures and Plasma PFOA Concentration in the Rat Author: Paul M.

SEVERN TRENT LABORATORIES ANALYTICAL REPORT JOB NUMBER: 244404 Prepared For: Weston Solutions, Inc. 1400 Weston Way Building 5-2 West Chester, PA 19380-1499 Project: Confidential Decatur - FC Investigation Attention: Jai Kesari Date: 02/28/2006 Signature Name: Richard C.

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AR&&6 - 2393APR2k PH 2; 2 7 Telomer Research Program O A tK m ABC SAX ULAS9 COA*WNV Clariant Analysis ofTelomer-Based Products and Telomer-Treated Articles Scope and Rationale The Telomer Research Program (TRP)1has studies underway to investigate the potential formation and/or release of perfluorooctanoic acid (PFOA) from telomer-based products and consumer articles treated with such products.

ffi'ZS. _ 13 II UNITED STATES ENVIRONMENTAL PROTECTION AGENCY WASHINGTON, D.C. 20460 A P R 1 5 2003 M "O O ro ZS3 TO "O m ~oo -irn ~zxo O p<n oO ro XT MEMORANDUM SUBJECT: Preliminary Risk Assessment of the Developmental Toxicity Associated with PFOA (Perfluorooctanoic Acid) anthitrSaits FROM: Kevin Y.

'rom 0#mfb j Reaiy an 10/04/2001 07 C2 PM rc a: Suoject Za*><J M Ruffc< Ag/DuPontigOuPont Rooeh F P'nchot/DEV'AE/D jPont@QuPont, M Ann Brici*y'ST8/0U3<i}DUP.

Attachment 1 Page 1 May 19,2004 AIR DATA DUPONT WASHINGTON WORKS SITE This submittal summarizes available information from the following two data collection efforts, both of which are associated with PFOA in air at the DuPont Washington Works site: 1.

PFOA: Lactational and Placental Transport Pharmacokinetic Study in Rats DuPont-13309 #22kr 1 5 5 1 \ TRAD^S^CRET oH*v> ' - < t ' 4 ( /. j'C-1 ,.

Page 1 FINAL REPORT Epidemiology, 220-3W-05 Medical Department 3M Company St.

3M Company Page 1 of 63 FINAL REPORT Epidemiology, 220-3W-05 Medical Department 3M Company St.