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.

AR226-3382 HASKELL LABORATORY Common Name: Telomer B Citrate Urethane (TBCU) Chomir.al Name: Poly(difluoromethylene), alpha-fluoro-omega-(2-hydroxyethyl)-, ester with 2,15 -bis(carboxymethyl)-4,13-dioxo-3,14-dioxa-5,12-diazahexadecane1,2,15,16-tetracarboxylic acid CAS Registry No.: 65530-58-7 Chemical Structure: ,o Rf-- CH-2-- CH20-- O - C O CH_ O Il I * II Rf-- CH,-- CH,-- O-C -- C-O-C-NH I -(CH,,2)' 3 CH,, R-f-- CH_2-- CH20-- O -- C,, 0 where Rf = H r CF^~ CF2-- ^ F Physical Properties: Form: Molecular Weight: Boiling Point: Melting Point: Density: Brown solid Approximately 3200 (typical grade) 1.5 g/mL Recommended AEL 0.1 mg/m3 (8- and 12-hour TWA), respirable dust General Toxicity TBCU has very low acute oral toxicity with an ALD in the rat of 25 grams/kg (DuPont, 1976a).

ftfL&ab-bk i 27 000230 fi(L0.H6 - P R O P O SA L FOR FEASIBILITY A SSE SSU E H T Estim ating Exposure, B iopersistence, and Potential liv e r E ffects front W orkplace Exposures to O rganofluorines: A determ ination o f the feasibility o f appropriate analyses of historical surveillance date Introduction Concern regarding organofiuorine exposure (C-8 etc.) is based on the results of rodent testing.

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.

M - 077& TOXICITY TO AQUATIC PLANTS TEST SUBSTANCE____________________________________________ Identity: Mixture containing perfluorooctanesulfonate which may also be referred to as PFOS, FC-95, or as a component of FC-203FC. (1Octanesulfonic acid) (CAS # 2795-39-3).

Wia.6-ozod ACUTE TO XIC ITY TO AQUATIC INVERTEBRATES (DAPHNIA MAGNA) TEST SUBSTANCE_________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-206CE. (1Octanesulfonic acid) (CAS # 2795-39-3).

/\$ $.9.6 - 0 2 2 8 ACUTE TOXICITY TO AQUATIC INVERTABRATES (DAPHNIA MAGNA) TEST SUBSTANCE___________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-600. (1-Octanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro-, potassium salt, CAS # 2795-39-3) Remarks: The 3M production lot number was not noted.

M -0318 A C U T E T O XIC IT Y T O A Q U A T IC IN V E R T E B R A T E S (D A P H N IA M AG N A) T E S T S U B S T A N C E ___________________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which m ay also be referred to a s P F O S , FC-95, or a s a com ponent of FX-3104. (1Octanesulfonic acid) (C A S # 2795-39-3).

TSCA NCIC Notification Form for CB!

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