Document wDz4y9grRzDzqBRxJ9b5vze7J

AR226-2686 CO AR226-2686 Perfluorinated Surfactants 'Dupont / UvA / RIKZ Meeting, 07-05-200; "Perfluorinatecr" surfactants A desk study on the use and environmental effects of perfluorinated surfactants in the Netherlands Floris Hekster & Pirn de Voogt A desk study commissioned by the Dutch Ministry of Transport, Public Works ____ ____ ___and Water Management ____ EID676803 Perfluorinated Surfactants 'Dupont / UvA / RIKZ Meeting, 07-05-2002 Outline of the presentation -y Goals ne ble of contents report / Methodology Available knowledge Remaining questions/ uncertainties A desk study commissioned by the Dutch Ministry ot Transport, Public Wolks ____ __ and Water Management ______ ___ EID676804 Perfluorinated Surfactants ' Dupont / UvA / RIKZ Meeting, 07-05-20 The study has three major goals 1. Overview of available knowledge on: the environmental behaviour the ecotoxicology the occurrence 2. Inventory of the use of PFS in NL 3. Estimation of the emissions of PFS in NL A desk study commissioned by tte Dutch Ministry of Transport, Public Works Water Management ______________and ____________ EID676805 Perfluorinated Surfactants r Dupont / UvA / RIKZ Meeting, 07-05-200; Table of contents report 1. Introduction 2. Physico-chemical properties 3. Sources and emissions to the aq. environment 4. Behaviour in the aq. environment 5. Occurrence in the aq. environment 6. Toxicity in the aq. environment 7. Policy A desk study commissioned by the Dutch Ministry of Transport, Public Works __ Water Management ______________and EID676806 Perfluorinated Surfactants r Dupont / UvA / RIKZ Meeting, 07-05-2002 baia are obtained from ^sciemmc) literature... >OECD hazard assessment ()KCI>((| ^3M/ USEPA database on ECF producQM ^USEPA hazard assessment on PFOAf^ >NCEHS, review on PFAS in the UK > Various publications in: Environmental Science & Technol Journal of Fluorine Chemistry Etc. s-Kissa, Fluorinated surfactants and repellents Material Safety Data Sheets/Product data sheets A desk study commissioned by tie Dutch Ministry ol Transport, Public Worts _____________and Water Management___ ___ EID676807 Perfluorinated Surfactants ''Dupont/ UvA / RIKZ Meeting, 07-05-200; ...and from additional sources > Interviews with: i^ym Chemicals manufa 3M, Asahi, AtoFina, Bayer, Clariant, Daildn. Dupont, Miteni, APl^ Users; Ajax fire systems, Lakatex Representing organisations: NVTF(capen&y), FNL (leather, VEBON (fire fighting, VTN (textile), GOT (carpentry Researchers: ISEGA, universities (Antwerp, Michigan State, Oregon State, ^nterrTePseaR^e^l Viv 'if\A desk study commisstoned by the Dutch Ministry of Transport. Public Works __________ and Water Management____ ___ EID676808 Perfluorinated Surfactants ' Dupont / UvA / RIKZ Meeting, 07-05-20 Available knowledge > Two major production processes: ECF and telomerisation > Biodegradation of EOF products: PFOS and PFOA > Environmental fate modelling based on Kg^ is not applicable > PFOS and to a lesser extend PFOA are globally distributed: Bioaccumulation Long-range air transport > PFOS is moderately toxic, PFOA has a low toxicity > PFOA is weakly carcinogenic > Besides SNUR of USEPA, there is no policy A deffl&iRRiSn(iyet^dby me Dutch Ministry of Transport, Public Works ______________and Water Management_______________ EID676809 Perfluorinated Surfactants ' Dupont / UvA / RIKZ Meeting, 07-05-200; PFS can be used in many plications > Coatings I> Electronics |> Herbicides > Leather > Medical use > Metal Finishing > Oil wells > Polymerisa tion > Wetting agents A desk study commissioned by the Dutch MInlstty o( Transport, Public Works ______________and Water Management______________ EID676810 ^ ntsJH| Perflu orinated Surfacta ^ybupont/LJvA / RIKZ Meeting, 07-05-2002KU Ihe re are 4 maj 0 r1tor--ms-ofy a p Pe;a ranee Mono)meric \ poh/men ^;c)- ^Phosphate ^Both telomer awd ECF products have various forms of WtelB) appearance, wphate dependent on the function A\deskst udycomm sstoned by Ihe Dutch Ministry ol Trvansportt ,p'ubilc Works and Water Management EID676811 Perfluorinated Surfactants ''Dupont/ UvA / R1KZ Meeting, 07-05-200; ' The lire-fighting foam for mobile equipment is changing towards socalled Eco-toam. This contains much less or no PFS " The degradation of polymers might lead to the emission of PFS from polymers. Furthermore impurities can leak from the polymers A desk study commissioned by me Dutch Ministry of Transport, Public Works _____________and Water Management_____________ EID676812 Perfluorinated Surfactants ' Dupont / UvA / RIKZ Meeting, 07-05-200: Some important uncertainties are remaining > Properties of telomer products > Chemical/ biodegradation and degradation products of fluoropolymers > Environmental fate/ distribution mechanisms > Alternative compounds for applications > Use figures for various applications A desk study commissioned by the Dutch Ministry of Transport, public Works Water Management ______________and _____ ___ EID676813