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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NORTHERN KENTUCKY OFFICE SUITE 340 1717 DIXIE HIGHWAY COVINGTON, KENTUCKY 41011-4704 606-321-2833 513-381-2838 FAX: 513-381-6613 Robert a .

S(f March 24, 2003 To: Mary F.

r t R S . 6 _ /ms Telomer Research Program Ciariant Report Title: In Vivo Rat Micronucleus Assay Author(s): Gregory L.

ARJJ6-H55 PFOS: A REPRODUCTION STUDY WITH THE NORTHERN BOBWHITE FINAL REPORT WILDLIFE INTERNATIONAL, LTD.

AR226-2133 Test Results Sample Date Rang concentration Range Action Level Industrial H ygiene 1/ 1/2002 11/ 2 2 /2 0 0 2 100% Sample D t Sample# Duration Type Employee Name Peis Chemical BTO : 08 LOC : 045 TEFLON B-162 ROOF 2nd Level - General & HSV Unite 3/5/2002 10445 0/11/2002 10514 9/11/2002 10631 360 A 360 A 360 A C-8/FC-143 C-8/FO-143 C-8/FC-143 BTO: 08 LOC: 048 TEFLON B-162 OUTSIDE SMOKING AREA - 2ND LEVEL 3/5/2002 10446 5/11/2002 10515 9/13/2002 1063?

Ta~Wei F u 10/11/02 11:57 AM To: Katsunosuke Kitagawa/PO/DuPont@DuPont cc: Hidetaka Hiromatsu/PO/DuPont@DuPont Subject Re: C-8 in the AirD Kitagawa-san, It is rather complicated to explain on paper concerning the C EG issue.

AR226-2582 Ohio Envtronmanial Protection Agency TO: Dave Watkins, Division of Water Resources, W VD EP FROM: Steve Williams, Division of Drinking and Ground Waters, S E D O DATE:March 12,2002 RE: Ohio River Water Sampling Proposal The Division of Drinking and Ground Waters and Division of Surface Water at the Ohio EPA Southeast District Office K S S i i , inter-office communication Proposai for the Washington Works Facility and the Letart Landfill", The following comments are Ohio EPA 's recommendations for additional samples to more thorouahlv define the extent of C-8 In the Ohio River. 1.