Document VGgQJGbqXZMpZLZYar9NQ5pqg

RECYCLED CD AR226-2686 AR226-2686 Perfluorinated Surfactants rDupont / UvA / RIKZ Meeting, 07-05-2002 Perfluorinated surfactants A desk study on the use and environm ental effects o f perfluorinated surfactants in the Netherlands Floris Hekster & Pim de Voogt A desk study commissioned by th e Dutch Ministry of Transport, Public Works and W a te r Managem ent__________________________ E ID 6 7 6 8 0 3 1 Perfluorinated Surfactants rDupont / UvA / RIKZ Meeting, 07-05-2002 Outline of the presentation Goals " M iib ! ie of contents report Methodology Available knowledge Remaining questions/ uncertainties A desk study commissioned by the Dutch Ministry of Transport, Public W orks and W a te r Managem ent__________________________ EID 676804 Perfluorinated Surfactants rDupont / UvA / RIKZ Meeting, 07-05-20021 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 th e Dutch Ministry of Transport, Public W orks _________ and W a te r M anagem ent__________________________ EID 676805 3 Perfluorinated Surfactants rDupont / UvA / RIKZ Meeting, 07-05-20021 Table of contents report 1. Introduction 2. Physico-chemical properties 3. Sources and emissions to the aq. environm ent 4. Behaviour in the aq. environment 5. Occurrence in the aq. environm ent 6. Toxicity in the aq. environment 7. Policy A desk study commissioned by the Dutch Ministry of Transport, Public W orks ___________ and W a te r M anagem ent__________________________ EID 676806 Perfluorinated Surfactants rDupont / UvA / RIKZ Meeting, 07-05-20021 Data are obtainea Trom ^scientific) literature... >OECD hazard assessment nrni((A on PFOS >3M/ USEPA database on ECF p ro d u c^j >USEPA hazard assessment on P F O A ^ j >NCEHS, review on PFAS in the UK > Various publications in: Environmental Science & Technol Journal of Fluorine Chemistry Etc. HR s -Kissa, Fluorinated surfactants and repellents Material Safety Data Sheets/ Product data sheets A desk study commissioned b y the Dutch Ministry of T ran sp o rt Public W orks ________ and W a te r M anagem ent__________________________ EID 676807 Perfluorinated Surfactants Dupont / UvA / RIKZ Meeting, 07-05-2002 ...and from additional sources > Interviews with: mm * Chemicals manufa 3M , Asahi, AtoFina, Bayer, Clariant, Daikin, Dupont, M iteni, APM U s e r s ! A jax fire systems, Lakatex Representing organisations: N V T F (carpentry), FN L {leather), V E B O N {fire fighting), V T N {textile), G U T (carpentry) Researchers: IS E G A , Universities (Antwerp, M ichigan State, O regon State, >lnterrifR$fj^e A desk study commissioned by the Dutch Ministry of Transport, Public Works a n d W a te r M anagem ent__________________________ EID 676808 Perfluorinated S urfactantsl rDupont / UvA / RIKZ Meeting, 07-05-2003 Available knowledge > Two major production processes: ECF and telomerisation > Biodegradation of ECF products: PFOS and PFOA > Environmental fate modelling based on 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 d e f 5 B x R B S n ( i y t ^ d by Die Dutch Ministry of Transport, Public Works _______ anti W a te r M anagem ent___________________________ _ E ID 6 7 6 8 0 9 Perfluorinated Surfactants rDupont / UvA / RIKZ Meeting, 07-05-2002J PFS can be used in many ,,applications > Coatings > Electronics | > Herbicides > Leather > Medical use > Metal Finishing s > Oil wells > Polymerisa tion > Wetting agents A desk study commissioned by the Dutch Ministry of Transport, Public W orks and W a te r M anagem ent__________________________ E ID 6 7 6 8 1 0 w si*m >aasiaaiiSis-:' Perfluorinated Surfactants Dupont / UvA / RIKZ Meeting, 07-05-2002| M There are 4 major forms o f appearance Monomeric Polymeri Co- Phosphate Both telomer and ECF products have various forms o f rrylate) appearance, >sphate dependent on the function A desk study commissioned by the Dutch Ministry of Transport, Public W orks __________ and W a te r M anagem ent__________________________ EID 676811 Perfluorinated Surfactants Dupont / UvA / R1KZ Meeting, 07-05-2002| PFS is used in the Netherlands No (rrpsl nswatow^rs I2 9 to n w w th $ -3 iftti0 ftp !lp n e 5 Yes IJ rfn M ifix iflp fffe lB fltfi& fa p tt M ? tones Gusopolpna W cbwi Viais e iip in t W eartfpsitecfn&yef D e g ra & S n tfp ty n e /* ^u s e tK r^B & n M s g g jg s m i^ S ia P F S ? ." - * * irrth : r <?< *n ti*n 'v a *r . i' . h Yes : tOGtcmessfii 1%iaortpclfnief fta tfijw c id jire s LH nw ijfn^e jT iS T ofiJsei'ed fits Via isein^anl W or<f|ffllK fttb |fir < ^ J \ gLrfJ>r t - 4 n W W H ^ MBbr ? * * ,i* j* U C * -- b V ia tse rpiri M S S JKT > * The fire-fighting foam for mobile equipment is changing towards so- called Ecofoam. 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 the Dutch Ministry of T ran sp o rt Public W orks and W a te r M anagem ent___________________________ EID 676812 1 ___________________________ 1 ^ Perfluorinated Surfactants X if Dupont / UvA / RIKZ Meeting, 07-05-2002 151 X q Some important uncertainties are ^ remaining > Properties of teiom er products > Chem ical/ 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 W orks _______ and W a te r Managem ent_________________________ E ID 6 7 6 8 1 3