AR226-2209 Roger J Zipfel 11/02/2001 04:23 PM * To: Debbie J Mulrooney/AE/DuPont@DuPont cc: Subject: Info on C-8 density Debbie, attached is the msds for C-8 in the powder form, it says that the solids density is 0.4-0.5. i think this is the bulk density of the powder.

AR226-2257 /F Steven H Swearingen L' 02/20/2002 09:43 AM To: Debbie J Mu Irooney/AE/DuPontSj'DuPont cc: Robert F Pinchot/DEV/AE/DuPont@DuPont, Todd M Krieger/AE/DuPont0DuPont Subject: Environmental Impact Study Several months ago for Rob Pinchot you did a screening study of ground level exposures for APF0.

Fluoropolymers Monitoring Technical Group September 18, 2003 AR226-2338 ASH026929 ro coo CD o to oCD Agenda Program Overview - EPA Suggested Priority Change Discussion Landfills Soil Sampling Biota Sampling ASH026930 tHOo 00 o tMo o Possible Sources of Exposure ASH026931 HHN) a> No> APFO M anufacture Fluoropolymer Summary Processing * Articles of Commerce *- APFO Manufacture 99% Reduction in emissions as compared to prior manufacture Air dispersion modeling Water monitoring - Prior Manufacturer - New technology baseline Program Plant Design LOI LOI/other LOI TimmsrT * t * * In place Complete Ongoing Ongoing ASH026933 Ni HU) -CJO oHUOJ >99% E m issions Rduction APFO M anufacture A ir Dispersion M odeling Water Monitoring Fluoropolymer Summary Processing Articles of Commerce LOI ECA Non-Fluoropolymer Products Program Timing Commitment to not sell APFO outside fluoropolymer industry LOI Ongoing ASH026935 N>H01 CO o (J1 Eoi jOo (-* 01 ASH026936 >99% Emissions Reduction Air Dispersion M odeling Water Monitoring Fluoropolymer Summary Processing F luoropolym er M anufacture Dry R esin P r o c essin g Aqueous R esin P r o c essin g Articles of Commerce LOI ECA ^' IS> X Fluoropolymer Manufacture Program Timing Global Material Balance pre-LOI Complete 50% Emissions Reduction pre-LOI 2006 Commitment 2002 Status - 48% reduction from the baseline Monitoring/Modeling Commitments - Air dispersion modeling LOI 12/31/03 ASH026937 - Groundwater LOI/other Ongoing - Soil Other (Today) MCO COD H-J CO - Landfill Other (Today) >99% Emissions Reduction APFO M anufacture Air Dispersion Modeling Water Monitoring LOI ECA Fluoropolymer Summary F lu o olym er] cts Processing/Articles o f Commerce Program Timing Articles of commerce testing - "New" Articles of Commerce - "Aged" Articles of Commerce Dispersion processors material balance Incineration testing LOI ECA LOI ECA 12/31/03 2004 12/31/03 6/30/04 >99% Emissions Reduction APFO M anufacture Air Dispersion M odeling Water Monitoring LOI EGA Fluoropolymer Summary >50% Emissions Reduction Fluoropolym er M anufacture Air Dispersion Modeling Water Sampling/ Monitoring --------- ----------------------- Articles o f Commerce Testing Dispersion Processors Material Balance Aged Articles o f Commerce Testing Incineration Testing EPA Proposal Delay "Articles of Commerce" testing and goal date and accelerate "Air dispersion modeling" at Fluoropolymer manufacturing sites in order to expedite the process to determine if additional monitoring (and ECA) is needed at these facilities.

AR226-2475 V -'T Ta-Wei Fu 07/20/2000 11:47 AM ?

AR226-2574 GROUNDWATER INVESTIGATION QUALITY ASSURANCE PROJECT PLAN FOR WASHINGTON WORKS PLANT Date: January 2002 Project No.: D6WW7423.U1 E !'

AR226-2808 DuPont-11561 TRADE SECRET Study Title H-24750: Biopersistence Screening 10-Dose Oral Gavage Study in Rats Laboratory Project ID: DuPont-11561 Author: Carol Finlay, B.A.

tfppTC ^ o o 3 o O f^ P-1 NORTHERN KENTUCKY OFFICE SUITE 340 1717 DIXIE HIGHWAY COVINGTON, KENTUCKY 41011-4704 606-331-2838 513-381-2838 FAX: 513-381-6613 DAYTON.

TSCA Document Processing Center Attn: Section 8(e)/FYI M2.Z6 - 373V August 10,2006 Page 4 of 10 Attachment 1 July 19, 2006 "Note for settling parties" from the Science Panel (1 page) Note for settling parties We have prepared some outline protocols for several interlinked research components addressing the potential health effects of exposure to C8 around the Washington Works plant.

r P-1 HK' - O cZo 7 - 7 //- M Jjb' 377y DuPont Haskell Laboratory for Health and Environmental Sciences Elkton Road, P.O.

EOS-0210 Interim Report #18 Northern Alabama Potable Witter Systems, December 2005 Interim Report #18: Analysis of Water Samples from Northern Alabama Potable Water Systems, December 2005 Study Title A nalysis of Perfluo robutanesulfonate (PFBS), Perfluorohexanesulfonate (PFHS), an d Perfluorooctanesulfonate (PFOS) in Wate r , So il, S edim ent, Fis h , Clam s, V eg etatio n , Sm all Mam m al Liver an d Sm all Mam m al S erum Using LC/MS/MS FOR THE 3M DECATUR MONITORING PROGRAM Data Requirement EPA TSCA Good Laboratory Practice Standards 40 CFR 792 Author M ichelle D.

Diabetes Care Publish Ahead of Print, published online December 29, 2008 Perjluoroalkyl chemicals, glucose homeostasis and metabolic syndrome Association Among Serum Perfluoroalkyl Chemicals, Glucose Homeostasis and Metabolic Syndrome in Adolescents and Adults Running title: PeruofGplkyl chemicals, glucose homeostasis and metabolic syndrome Chien-Yu Lin1-2'3, MD, MPH; pau-Chung Chen2, MD, PhD; Yu-Chuan Lin2' 4, MD; Lian-Yu Lin, MD, PhD5 1, Department of Internal iMedicine o f Nephrology, En Chu Kong Hospital, Taipei County, Taiwan 2, Institute of Occupational Medicine and Industrial Hygiene, National Taiwan University College of Public Health, Taipei, Taiwan 3, School o f Medicine, Fu Jen Catholic University, Taipei County, Taiwan 4, Department of Pediatrics, Taipei City H ospita*>Zhongxiao Branch, Taipei Taiwan 5, Department of Internal Medicine o f Cardiology, National Taiwan University Hospital, Taipei, Taiwan Corresponding author: Lian-Yu Lin E-mail: hspenosf5tvahoo.com.tw Submitted 3 October 2008 and accepted 17 December 2008.

SEVERN TRENT LABORATORIES ANALYTICAL REPORT JOB NUMBER: 245986 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: 05/05/2006 Signature Name: Richard C.

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35pp. 3M Katherine E.

3M ENVIRONMENTAL LABORATORY REPORT NO.