AR226-2283 M ark H R u ssell 05/06/2002 11:20 AM To: Catherine A Barton/AE/DuPont@ DuPont cc: Subject: M odeling so il concentrations Cathy, I tried calling you but you w eren't in.

AR226-2325 ^ John W M ilro yJII 04/03/2003 05:41 PM To: co: Subject: Catherine A Barton/AE/DuPont@ DuPont Stephen R Hastings/DDE/DuPont@ DuPont, Ann K Masse/HO/DuPont@ DuPont, Charles J Zarzecki/AE/DuPont@ DuPont Re: Data fo r a ir dispersion modeling D This is the data for DuPont Dow, building 1163, C 8 release to the am osphere.

DuPont Engineering AR226-2575 DuPont Engineering Barley M il P la za -B ld g . 27 Lancaster Pike &Rte, 14!

AR226-3168 DuPont-4292 TRADE SECRET Study Title H-24267: Two-Week Inhalation Toxicity Study in Male Rats Laboratory Project ID: DuPont-4292 AUTHOR: David P.

t i u ; t i n ' t it *i r i tt** ' M V' Mt' 't '< l\:>ii * 1 \ " June to ,2006 x *|3f 1 ,i*- I f 1 Document Control Office Docket AR-226 EPA Hast Building, Room 6428 1201 Constitution Ave., NAV, Washington, DC 20460 Phone: 202-564-8030 Attention: OPPT Docket No.

P-1 ENVIRONMENT CANADA AND HEALTH CANADA CONSULTATIONS ON THE PROPOSED ACTION PLAN FOR PERFLUOROCARBOXYLIC ACIDS AND PRECURSORS REPORT OF CONSULTATION MEETING Ottawa, Ontario, Canada February 6 and 7,2006 P-2 Table of Contents INTRODUCTION............................................................................................................... 2 WELCOME/OBJECTIVES..............................................................................................3 PART 1 THE SCIENTIFIC CONTEXT................................................................... 4 PFCAs and Precursors: Simplified Terminology/Sources and Fate...............................4 Environmental Fate of Fluorotelomer Based Substances...............................................5 External Review and Science Update............................................................................. 8 PART 2 THE REGULATORY CONTEXT.............................................................. 8 Assessment and Management of Substances.................................................................. 9 PART 3 PROPOSALS ON PFCAs AND PRECURSORS...................................... 9 Overview o f Proposed Action Plan................................................................................. 9 Proposed Action Plan: New Substances....................................................................... 11 FEEDBACK ON PROPOSED ACTIONS FOR NEW SUBSTANCES.............12 Process for preparing a Regulatory Impact Analysis Statement.................................... 13 Proposed Action Plan: Existing Substances...................................................................14 FEEDBACK ON PROPOSED ACTIONS FOR EXISTING SUBSTANCES .. 14 Proposed Action Plan: Research and International Cooperation..................................16 CLOSING COMMENTS AND NEXT STEPS............................................................. 18 APPENDIX A: Consultation Agenda APPENDIX B: List of Participants Environment Canada Health Canada - PFCAs and Precursors: Action Plan Consultations - Report page 1 P-3 INTRODUCTION In 2004, the New Substances Program of Environment Canada and Health Canada assessed four new substances which are considered sources of perfluorinated carboxylic acids (PFCAs).

P-1 COMPANY SANITIZED - Does not contain TSCA Confidential Business Information (CBI) DAUUN AZza _ 3730 fi o>2 <> DAIKIN AMERICA, INC. 905 State Docks Road (35601) P.O.

Betty Boros-Russo - PFOA From: To: Date: Subject: <Laura.Vancho@amwater.com> <Betty.Boros-Russo@dep.state.nj.us> Wed, Dec 26, 2007 10:23 AM PFOA Hope you are enjoying the holidays.

CONFIDENTIAL, SUBJECT TO PROTECTIVE ORDER IN ROWE/COLES NJAWWestem Sample Date System Location Sample Type PFOA/PFOS Monitoring Prep Date Analysis Date Surrogate Recovery <%> RESULT (U0/ PFOA PFOS 2006-2007 Comments 06/23/06 03/13/07 04/17/07 03/13/07 03/13/07 03/13/07 07/06/06 03/13/07 04/17/07 Western DRRWTP Effluent Western DRRWTP Effluent Western DRRWTP Effluent Wstern DRRWTP Filtered Western DRRWTP Settled Western DRRWTP Inlet Western DRRWTP Intake Western DRRWTP Intake Western DRRWTP Intake SW.

SEVERN TRENT LABORATORIES ANALYTICAL REPORT JOB NUMBER: 239579 Prepared For: Weston Solutions, Inc. 1400 Weston Way Building 5-2 West Chester, PA 19380-1499 Project: Confidential Decatur - FC Investigation Attention: Sue Stefanosky Date: 09/09/2005 Signature Name: Richard C.

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AR226_ 1057 ft. sERoor-15057 sw @UPIND3 sanuary 17,2002 aor Eros 5 wpele DRArtootceofnumtmieo8ofnn4:t2P88oP(relo)ceCeonsosrPidrniognvaCetemonirtoenr (Mail Code and Toxics 7407M).

foes R226 -- 359 SRPT T7001 MIN 315/022356 PERFLUOROOCTANESULFONYL FLUORIDE (POSF) T-Tebl> IN VITRO MAMMALIAN CHROMOSOME ABERRATION TEST IN HUMAN LYMPHOCYTES Sponsor 33MMCCeanrtpeorrt Toxicology SBiupilding T0250 UMsNa551333220 Page t0r3t ResearchLaboratory WHouomilnlgydRoenaLidfe Sciences Ld AHocnoinnbguiroyn PCeaamstradkgesire ENGLAND Reporsued 22 Osober 2002 001542 CONTENTS MIN3157022356 Page COMPLIANCEWITHGOODLABORATORY PRACTICESTANDARDS... 4 QUALITYASSURANCESTATEMENT. ccm eS RESPONSIBLE PERSONNEL... 6 INTRODUCTION sss 8 EXPERIMENTALPROCEDURE...