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7/ 6/2017 .Significant New Use Rules View Significant New Use Rules Chemical Name: 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-Heptadecafluorooctane-l-sulfonic acid Chemical Identifier: 1763-23-1 Federal Register Citation: 72 FR 57222 October 9 2007; 67 FR 72854 December 9 2002; Code Federal Regulation: 40 CFR 721.9582: Chemical Category: Perfluoro Compounds; What is a Significant New Use Rule (SNUR)?

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BACK TO MAIN STABILITY IN WATER (PHOTOLYSIS) TEST SUBSTANCE Identity: Perfluorooctanesulfonate-potassium salt.

BACK BIODEGRADATION TEST SUBSTANCE Identity: Remarks: N-ethylperfluorooctane sulfonamidoethanol; may also be referred to as N-EtFOSE alcohol. (1-Octanesulfonamide, N-ethyl1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-N-(2-hydroxyethyl)-, CAS # 1691-99-2).

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Toxicological Summary PFOS Dietary Chronic Definitive Reproductive Study: Mallard Test Substance: Perfluorooctancsulfonate (POS) Structure: 1-Octanesulfonic acid, 1,1,2.2,3,3,44,5,5.6,6,1,7,8.8.8-heptadecafluoro, potassium salt.

WATER RESEARCH 41 (2007) 3823-3832 Available at www.sciencedirect.com ;' ScienceDirect journal homepage: w\cw.elsevier.com/locate/watres Natural organic matter fouling of low-pressure, hollow-fiber membranes: Effects of NOM source and hydrodynamic conditions Haiou Huang', NoHwa Leeb, Thayer Young', Amy Gary`, James C.

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AR226-2048 ^ Ta-Wei Fu 07/30/2001 08:01 AM To: cc: Subject John E Crum/SE/DuPont@DuPont Ta-Wel Fu/CL/DuPont@DuPont, Roger J 2ipfel/AE/DuPont@DuPont Re: C-8 sampling D John, Maybe I did not make my points clear on the phone so I would like to clarify it here: 1.

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AR226-2256 Chris E Shoop 02/1 B/2002 12:30 PM To: cc: Subject: Debbie J Mulrooney/AE/DuPorrt@DuPont Robert I Wevodau/SE/DuPont@DuPont, Robert F Pinchot/DEV/AE/DuPont@DuPont Re: Case 10 Questions Q Debbie, The production rates in Case 10 were from forecasts for about 2007.