p. 1 'f P, ~~~ _ 6,76 ENVIRONMENT CANADA AND HEALTH CANAD A CONSULTATIONS ON THE PROPOSED ACTION PLAN FOR PERFLUOROCARBOXYLIC ACIDS AND PRECURSOR S 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 of Proposed Action Plan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Proposed Action Plan : New Substances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 FEEDBACK ON PROPOSED ACTIONS FOR NEW SUBSTANCES . . . . . . . . . . . . 1 2 Process for preparing a Regulatory Impact Analysis Statement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Proposed Action Plan : Existing Substances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 FEEDBACK ON PROPOSED ACTIONS FOR EXISTING SUBSTANCES . . 1 4 Proposed Action Plan : Research and International Cooperation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 CLOSING COMMENTS AND NEXT STEPS . . . .. .. . ... . . . . . ... . . .. . . . . . . . . .. . . . . . . . . . . . . . .. . . . ... . . . . . . 18 APPENDIX A : Consultation Agend a APPENDIX B : List of Participants Environment Canada Health Canada - PFCAs and Precursors : Action Plan Consultations - Report page 1 p. 3 INTRODUCTIO N 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 Katherine E .

BACK TO MAIN BIODEGRADATION (Acclimated Activated Sludge and Sediment Cultures) TEST SUBSTANCE Identity: Perfluorooctanesulfonate; may also be referred to as PFOS or FC-95. (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 test substance is a white powder.

02/28/2001 ENVIRONMENTAL LABORATORY ARCHIVED FINAL REPORT B1ACK TO MAIN LAB REQUEST NO. 8442 REQUESTOR NAME: EAR DEPARTMENT: 0535 PROJECT NO: 9970012600 DATE RECEIVED: 0 9 / 0 7 / 1 9 8 2 DESC: ENVIRONMENTAL SCREEN ON L-6778 CONTRACT LAB(S): EXP COMP DATE: 11/12/1982 DATE COMPLETED: 1 1 / 0 9 / 1 9 8 2 PROJECT LEAD: PHONE NO: 3M FAX NO: 651-778-6176 EVAPORATE TO DRYNESS UNDER AIR OR N2.

Final Report Mortality Study of Workers Employed at the 3M Cottage Grove Facility BACK TO MAIN Submitted by: Bruce H.

~ ~~ ~ ~~~ BACK TO MAIN 3M Medical Department Study: T-6314.1 Analytical Report: FACT TOX-028 LRN-U2636 Study Title Determinationof the Presence and Concentration of PFOS, PFOSA, M556, andM570 in the 13-Week Dietary Study of Crl:CD@(!

SELECTED FLUOROCHEMICALS IN THE DECATUR, ALABAMA AREA Prepared for: 3M St.

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AR226-2282 pTTP""- j~T'" ,4^ Debbfe J Mulrooney 1..^ " 05/03/2002 03:23 PM s To: cc: Subject: DilROBERTS@mail.dep.state.wv.us Bernard J ReilIy/AE/DuPont@DuPont Robert F PinchoVDEV/AE/DuPont@DuPont Little Hocking Receptor Grid Dave, In our meeting in Charleston last week you asked if I could provide to you the receptor grid that I used for modeling deposition in the Little Hocking watershed (as shown in Figure 3 in our draft report).

AR226-2311 P PaulR Jann 03/13/2003 01:27 PM To: crc Subject: Catherine A Barton/AE/DuPont@DuPont Wilfred K Whitcraft/AE/DuPont@DuPont, Charles J Zaizecki/AE/DuPont@DuPont, Mark C Hause/DuPontQDuPont Re: air monitoring D Cathy.

AR226-2519 Ta-Wei Fu 11/12/02 02:13 PM To: Charles J Noelke/AE/DuPont@DuPont cc: Steven H Swearingen/AE/DuPont@DuPont Subject: Eureka!

AR226-3149 DuPont-3871 TRADE SECRET Study Title H-23960; In Vitro Mammalian Chromosome Aberration Test in Chinese Hamster Ovary (CHO) Cells Authors Ramadevi Gudi, Ph.D.

AR226-3206 TRADE SECRET Study Title H-24042: Biopersistence Screening 10-Dose Oral Gavage Study in Rats Supplement No. 1 Laboratory Project ID: DuPont-2931 AUTHOR: Carol Pinlay, B.A.

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aerf March 21, 2003 ARas6 -- 1220 To: Mary F.