VAPOR PRESSURE TEST SUBSTANCE Identity:N-Ethylperfluorooctanesulfonamidmea;y alsobe referredtoas U 1464, ETFOSA, ETPOSA, F-6309, or FX-1 2. (1Octanesulfonamide,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro-N-ethylC-A,S # 4151-50-2) Remarks: Materialisa whitesolid.Report statesthatsample purityis 99% based on informationsuppliedby Sponsoes representativeT.he lot number was not recorded.

C-- 17-1?

Acute oral Toxicity Screen with T-3066CoC in Albino Rats 01981 Experiw.nt No.: Conducted At: Dates Conducted: Conducted By: 0981AR0146 Safety Evaluation Laboratory R:Lker Laboratories, Inc.

MICROBICS MICROTOX@) TOXICITY TEST TEST SUBSTANCE Identity:Perfluorodecanesulfonatea,mmonium salt;may also be referred toas PFDS, FC-1 20, or 3M Sample J2905-1.(1-Decanesulfonic acid,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,1100-,10, heneicosafluoro-a,mmonium salt,CAS # 67906-42-7) Remarks: Test sample isa mixtureofthe testsubstance inwater and butylcellosolve(approximately25% testsubstance,37.5% butyl cellosolveand 37.5% water).Allvaluesreportedrelatetothismixture.

ACUTE TOXICITY TO FISH TEST SUBSTANCE Identity:Perfluorooctanoiaccid,ammonium salt;may alsobe referredto as PFOA ammonium saltA,mmonium perfluorooctanoateF,C116, FC-126, FC-169, or FC-143.

ACUTE TOXICITY TO AQUATIC INVERTEBRATES (ACARTIA TONSA) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may also be referredtoas PFOS, FC-95, or as a component ofFC-203. (1Octanesulfonicacid)(CAS # 2795-39-3).

MICROBICS MICROTOXO TEST SUBSTANCE.

TOXICITY TO AQUATIC PLANTS TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may alsobe referredto as PFOS, FC-95, oras a component ofFC-603EF. (1Octanesulfonicacid)(CAS # 2795-39-3).

1f @ i ARRR_G 3406 10 000133 | RE | | D | !

<n. ' 3M Rese I SITING 4g 026 = 3ST7S \\ FFT RE Certified Mail December 19, 2005 4EuWQl-JAFR I-FL 3TY ZeHR_ 1208- 00374 DRoocoumme6n4t28Prosesing Center (Mail Code 7407M) Attention: TSCA 8() Coordinator OU1fS2f.0i1cEeCnoovnfPisortloitlnumutetiniotonanAlPvPrerenovuteeenc,ttiNio.onn.aAngdeTnocxyics Washington, D.

P. 1 o~ nON~ January 30, 2006 AR226-3586 DuPont Corporate Remediation Grou p Barley Mill Plaza - Bldg . 19 4417 Lancaster Pike Wilmington, DE 19805 G6 F E ~ - ` 5 : 0 5 I III I VIA OVERNIGHT MAi t: Ii111111lI 1i1 IlII,1ilHI III,il TSCA Confidential Business Information EPA Docket OPPT-2003-0012 Center (7407M) c/o Ms .

p. 1 TAFT, STETTINIUS & HOLLISTER LL P NORTHERN KENTUCKY OFFICE CLEVELAND, OHIO OFFICE SUITE 340 3500 BP TOWE R 1717 DIXIE HIGHWAY COVINGTON, KENTUCKY 41011-4704 425 WALNUT STREET, SUITE 1800 200 PUBLIC SQUARE CLEVELAND, OHIO 44114-2302 606-331-2838 216-241-283 8 513-381-2838 FAX : 513-381-6613 CINCINNATI, OHIO 45202-3957 FAX : 216-241-3707 COLUMBUS, OHIO OFFICE DAYTON, OHIO OFFICE SUITE 900 110 NORTH 513-381-2838 21 EAST STATE STREET : 513-381-0205 COLUMBUS, OHIO 43215-4221 MAIN FS AX TREET 614-221-2838 DAYTON, OHIO 45402-1786 FAX :614-221-2007 937-228-2838 www.taftlaw .co m FAX: 937-228-2816 1-9 c2 a 6 3 ROBERT A . (513) 357-963 8 bilott@taftlaw.com BILOTT !!

5M ComPpagaenly Date: May 16,2006 EpFiIdeNmiAolLogRy,E2P20O-3RW-T05 Med3iMcalCoDmeppaarntyment St.

p. 1 N U~ --i z N N N N N N N N CD 'p (p D(7 p O O O O 0 O O O ~ (n--13 D-~ O 0000 0000 w ~ .fD p>p<D (3) 0) O 0) ~ O 01 W 0) 3 tD < ( 3 m 00O0000 r!

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) .