_ iO 2 3M Company EPI-0013 Page 1 of 36 FINAL REPORT Epidemiology Medical Department 3M Company St.

M a t e - IIA7 UNITED STATES ENVIRONMENTAL PROTECTION AGENCY WASHINGTON, D.C. 20460 .

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Final Report July 2003 AR226-1521 STUDY OF THE ATMOSPHERIC FATE OF FLUORINATED ALCOHOLS RECEIVED OPPT NCIC 03 SEP 30 PM 13:30 CNRS-LCSR Contract with RAND Corp. for the Telomer Research Program Study of the atmospheric fate of fluorinated alcohols FOREWORD This work has been carried out by Georges Le Bras (principal investigator, CNRSLCSR), Valrie Bossoutrot (Post-doc, CNRS-LCSR) and Isabelle Magneron (Post-doc, CNRS-LCSR).

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^ e 2 Z < W 7 / gAT3TMACFHLMUOERNOTCTHOELMEITCTAELRSOUFBMMaISyS1I1O,N2004 BIBLIOGRAPHY OF PUBLISHED LITERATURE AEMmleedpx.lao6ny0de:ee7rs2B2o-Hf7,a2O9P.lesrefnluGorWoo,cBtaunrersisulJpMho, nMylanFdluelorJiHd,eaMndanMufaancdteulriJnSg(F2a0c0i3li)t.y.MOocrctaulpit.yEonfviron. aAGnsrdilmaTmser,cuhMdn,.oaKlno.dgKyMh3aa7lri:tlh,a4R3Je5.i8Sn-hh4oe3al6dr1eA.r .(2R0a0s3m).uAsstemno, sJpohhenriAc.PCeurfllbueorrtosocnar,bJoonhsn.

S R P T T -74H MIN 315/022356 PERFLUOROOCTANESULFONYL FLUORIDE (POSF) T 'lf c ^ l.3 IN VITRO M AM M ALIAN CHROM OSOM E ABERRATION TEST IN HUMAN LYM PHOCYTES Sponsor 3M Center 3M Corporate Toxicology Building 220-2E-02 St Paul MN 55133-3220 USA - n e /sc-i Page 1 of 31 Research Laboratory Huntingdon Life Sciences Ltd Woolley Road Alconbury Huntingdon Cambridgeshire PE28 4HS ENGLAND Report issued 22 October 2002 MIN 315/022356 CONTENTS Page CONTENTS................................................................................................................................. 2 COMPLIANCE WITH GOOD LABORATORY PRACTICE STANDARDS....................... 4 QUALITY ASSURANCE STATEMENT................................................................................. 5 RESPONSIBLE PERSONNEL.................................................................................................. 6 SUMMARY................................................................................................................................. 7 INTRODUCTION........................................................................................................................ 8 TEST SUBSTANCE.................................................................................................................... 10 EXPERIMENTAL PROCEDURE.............................................................................................. 11 ASSESSMENT OF RESULTS................................................................................................... 15 MAINTENANCE OF RECORDS............................................................................................. 15 RESULTS..................................................................................................................................... 16 CONCLUSION............................................................................................................................ 17 REFERENCES............................................................................................................................. 18 : 2: MIN 315/022356 COMPLIANCE WITH GOOD LABORATORY PRACTICE STANDARDS The study described in this report was conducted in compliance with the following Good Laboratory Practice standards, with the exceptions stated below, and I consider the data generated to be valid.

AR226-2116 Tesi Results Sample Date Range Concentratloa Range Action Level Industrial Hygiene 1/1ADO 12/3100 100% Sample Dt Sample# Duration Type Employee Name BTO: 08 TEFLON LOC: 045 BLOG. 162 ROOF-GENERAL 2/3/00 9393 360 A 5/12/00 9408 360 A 8/7/00 9611 360 A 11/13/00 9742 360 A ' Petrs Chemical C-fl/FC-143 C-8/FC-143 C-8/FC-143 C-6/FC-143 BTO : 08 TEFLON LOC; 048 B-162 OUTSIDE SMOKING AREA - 2ND LEVEL 1/6/00 3356 360 A 2/3/00 9394 360 A 3/6/00 9443 360 A- 5/12/00 9499 360 A 8/7/00 0812 360 A 11/9J0O 0724 360 A C-8/F-143 C-8/FC-143 C-8/FC-143 C-8/FC-143 C-8/FC-143 C-a/FC-143 BTO: 08 LOC: 101 TEFLON P/S - TFE FIELD OPERATOR (08PA) 3 34707 360 P COX, JOHN A 7/10/00 35087 360 P SKILES, JAMES S 10/1000 35395 360 P COX, JOHN A 08PA C-8/FC-143 08PA C-8/FC-143 08PA C-fi/FC-143 BTO: 06 LO C: 1Q2 TEFLON P/S - HFP FIELD OPERATOR (03PB) 2/2/00 34583 5/12/00 34880 360 P WALKER, PATRICK M 360 P MOON, GARY E 8/7/00 35134 11/9/00 3S488 360 P YOUNG.

AR226-2260 C hris E S ho op 02/20/2002 0 5:20 P M ..... ........; _____ ___________ I _____ Tocc: Subject: Robert F Pinchot/DEV/AE/DuPont@DuPont, Debbie J Mulrooney/AE/DuPont@DuPont Robert I Wevodau/SE/DuPont@DuPont, Ravinder Singh/CL/DuPont@DuPont, George L Clowes_Jr/CL/DuPont@DuPont, Stephen J Gissy/AE/DuPont@DuPont Emission Estimates for 2003 Production Rob / Debbie, Here's the file to use for emission estimates based on 2003 production forecasts.

AR226-2317 Charles J Zarzecki 03/26/2003 11:02 AM To: Ann K Masse/HO/DuPont@DuPont cc: Catherine A Barton/AE/DuPont Subject Washington W orks C 8 Modeling Report Ann, As we had promised, attached is the modeling report that Debbie Mulrooney wrote for the modeling she did for Washington Works.

AR226-2318 AIR QUALITY DISPERSION MODELING ANALYSIS OF 8 EMISSIONS DuPont Fayetteville, North Carolina Facility Prepared by: Charles J.

Air Dispersion M odeling Verification Study Oct 22,2003 g tNoa toJ AR226-2346 EXP015790 O b jective Compare results from ambient air sampling and air dispersion modeling to understand how modeling predictions relate to measured ambient air concentrations to0^too1\ to EXP015791 Verification Study Scope Air Sampling Program Analytical Methods Modeling Analysis of Results oNm two EXP015792 Air Sampling Locations Simultaneous coverage of all 4 major wind directions (N, S, E, W) Capture point of predicted maximum concentration from modeling Include co-located samplers at predicted maximum Total of six locations IaoMm to EXP015793 Air Sampling Loc ASH026725 EXP015794 ASH026726 EXP015795 | /* Air Sampling Strategy Measure ambient air levels i 24-hour sampling duration Seven (7) sampling events scheduled over 6 weeks Vary day of week to capture variations in daily operations (none expected) and variations in meteorology Record site-specific meteorological and operational data EXP015796 Monitoring Strategy: Samples taken every 6 days for 6 weeks.

AR226-3194 DuPont-6543 TRADESECRET Study Title H-24949: Biopersistence Screening 10-Dose Oral Gavage Study in Rats Laboratory Project ID: DuPont-6543 Author: Carol Finlay, B.A.

Society of Environmental Toxicology & Chemistry Summary of DuPont Presentations AR226-3343 SETAC Europe 27 April - 1 May, 2003 Hamburg, Germany Biotransformation of the fluorotelomer 8-2 Telomer B Alcohol (8-2 TBA) in bacterial culture WangN.1, Folsom P.W. ', Szostek B.2, Capka V.2, Larsen B.S.1, Gannon J.T.1, and Buck R.C.3 1DuPont Central Research and Development, Wilmington, USA;2DuPont Haskell Laboratory; USA DuPont Chemical Solutions Enterprise, USA.