Document pmKJjqoyzXYmg9XvqgrEaGZaE

AR226-3345 Perfluoroalkylated Substances in the Environment: What are they? Where do they come from? Where do they go? What do we know about them? TEYCV 1 v 2/n -~ X/& ^| R. BUCk , F. HGkStQf2, P. de VOOQI? fDuPwrfChemteB/Sofuft^eirfwpf^lMhitootOT.DBtowarBUM.Z&wSTO P^uo(fidlq1>MfubfUoH(ITAS)ucipfddlym<ton^^il^mamdevmetyrfc^-ulppU<^(HBtthi^UllE(Kh^^ palanamcc. loxicoloecri tnd envirnnnicnU] bdavinr. Toma, Udi piper will begin by nivira^the'cltsin-rfPFASaildlhCTproaollodilciwhowlhcBlubittnnamu^ BndfBH:, AlIhou^oiJytiimil^numteoreBi^B]phyiiB3dHmcddaIimii^>)^thBhinqxi^BB(inq^ lavilonmiatdmcdiBiouib.iitti^EisaswilhBadMIhouipiBdi^imnMrxuby, FMCMI^ OTeiarouitTOOticria-Hilow. AciteITMalylonidBi^ii>!lolaw.Whi!cBobimmhi^lb^Ecteiffiiu3tai<danwt!^hncb^ -[hae,iBjbaTMcnin;mta]lfiCtlBCllbydiiriaTMt[iloccaanB [ilccsvininmnilviB!htacBK3ndFTMldBlnovervin UK di0agd!y framolhci lion-jiolu IXEIIUC mioocm nnn-oquacd tndoqioiedteHnia populttiOtu. laEEneniI.Pi'ASicmcBndcbloniccsoIciuniyloaquBlii; l uid aiinnluclioii whUe pafliiorooclmoic ttadfTTOA) Im been found lo be wcUy ctidnGEcnic in rcpctlHl- Perfluoroalkylated Substances Where do they go? Perfluoroalkylated Substances : What do we know about them? ehaviour in the Environment naf easily Drediclabie > WAS aUbManccs BIC compfcK proAld mi)(aota > PariiHonine is not Bolely cCTtttoHed by hydrophiiic and IiyA^phohic K^-laitdQSARnninttSKiliabIn SoracPFASituyaaipaihimIhewnIfifluuii lcngTMaB,lTMpori -mssitt c.F.^HiaVMi.c.i-^Or'WHiiaiiaiiOii >Adsorplion luubMaobioicdfa-l'l-'OSBidTcbnicH Pl-'OSiiiKpKadlnciilupmivanit.K'danciliiniliBgancniallcread Bshaviourinthe Environment - ateilmliiniylB'ralnsiiilnBttnaalAtnAiiion nispnttKTMIkyliiiainB;CFA-"'*k"TMn'ii'lB'Bilc'la . ECFiTMiri>ABrKfaLip,rfbuTMllyl>dfTMte>,urfpcrflucTMll animiylttel t DiocanccntisyonFadorlBC!') PFOS-SCI.OQ>. ETOA-l. C,H|^ii/Mpii"-lJ}ro PFOS IBS been delected m humans around the globe. ? Occnpationally exposed PF06:0.14-2.l9ppni(3Mi Pl-1M:t).l-lj.8ppm(3M,DuPcnl) > Genera! public PF06: 17-53 ppfa(3M, U.S. tnly) PFOA:3-I7ppb (3M,U.S.only) tChl>Aifc8,BClp~.AJ3 Jjt-aiiMe) ^ Environmental Effects Conclusions & Future Efforts Many data are stiii lacking to complete an accurate environmental assessment - product mixtures complicate the ability to obtain data - predictive models do not have sufficient real data to be useful Industrial companies and consortia are working to develop additional data GIobai regulatory agencies are interested and actively seeking additional information PFOS is a PBT chemical and is globally distributed Acknowledgements '/Tie University of Amsterdam desk study on PerfliioroaikylatedSubstances in the Netherlands Knvironment way supportedby the Dutch National Institute for Coastal A Marine Management, ItlKZ. Thanks to DitPorst and 'Hie Tetomer Research Program for providing data regarding Tdrnner substances.