{"datasetrec":{"DasID":2305,"Acronym":null,"StandardTitle":"Comparison of the TEQ-values pg/g wet weight calculated on the basis of TEF-values from 1998 and 2006 in eels from the Western Scheldt and the channel Ghent-Terneuzen (2006)","OrigTitle":"Vergelijking van de TEQ-waarden pg/g natgewicht berekend op basis van TEF-waarden uit 1998 en TEF-waarden uit 2006 in paling uit de Westerschelde en het Kanaal Gent-Terneuzen (2006)","OrigTitleLangID":41,"OrigTitleLangCode":"nl","OrigTitleLang":"Dutch","OrigTitleLangNL":"Nederlands","VersionName":"1","ContactEmail":null,"VersionDate":null,"VersionDay":10,"VersionMonth":2,"VersionYear":2010,"SizeReference":null,"EngAbstract":null,"EngDescr":null,"OrigAbstract":null,"OrigDescr":"Uit de meetgegevens blijkt, dat de met de TEF’s 2006 berekende gehalten in wilde paling gemiddeld zo’n 40% lager zijn dan die berekend met de TEF’s 1998. De figuur toont de TEQ-waarden in paling berekend op basis van de TEF-waarden uit 1998 en 2006.\r\n\r\nDioxines en dioxineachtige stoffen zijn in verschillende mate giftig. Om de totale dioxinetoxiciteit van een product te kunnen bepalen moeten de mate van toxiciteit van de verschillende stoffen bij elkaar opgeteld kunnen worden. Dat is mogelijk omdat aan alle stoffen een TEF-waarde (Toxische Equivalent Factor) is toegekend, afhankelijk van de\r\ndioxinetoxiciteit van die stof. Deze TEF-waarde is gebaseerd op de dioxinetoxiciteit van het meest toxische dioxine namelijk 2,3,7,8-TCDD. De TEF-waarde van 2,3,7,8-TCDD is gesteld op 1. De dioxinetoxiciteit van de andere dioxines en dioxineachtig stoffen wordt dan uitgedrukt als dioxinetoxiciteit van 2,3,7,8-TCDD.\r\n\r\nVoorbeeld: Stel dat in een visserijproduct 0,3 pg/g 1,2,3,4,7,8-HxCDF wordt aangetroffen. Van 1,2,3,4,7,8-HxCDF is de TEF-waarde vastgesteld op 0,1. De TEQwaarde van 1,2,3,4,7,8-HxCDF wordt dan als volgt berekend: TEF-waarde * gevonden gehalte = TEQ-waarde 0,1*0,3 = 0,03 pg TEQ/g in visserijproduct.\r\n\r\nDe TEQ-waarden van dioxines en dioxineachtige stoffen worden bij elkaar opgeteld om zo de totale dioxinetoxiciteit te kunnen bepalen in een bepaald monster.","Comments":null,"ReleaseDate":null,"ReleaseDate0":null,"OrigDescrLang":"Dutch","EmbargoDate":null,"OrigDescrLangNL":"Nederlands","OrigLangCode":"nl","OrigLangCodeExtended":"dut","OrigLangID":41,"DescrCompFlag":0,"DescrTransFlag":0,"Citation":null,"AccessConstraints":null,"UDate":"2010-02-10","CDate":"2010-02-10","CurrencyDate":null,"RevisionDate":null,"DateLastModified":{"date":"2026-05-14 01:44:00.153333","timezone_type":1,"timezone":"+02:00"},"CheckedFlag":1,"PublicFlag":1,"VlizCoreFlag":1,"MarineFlag":1,"FreshFlag":1,"BrackishFlag":1,"TerrestrialFlag":0,"StatusID":1,"DasType":"Static 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Vervolgonderzoek chemische stoffen in visserijproducten uit de Westerschelde; dioxines (w.o. furanen), PCB's, gebromeerde vlamvertragers en geperfluoreerde verbindingen, 2006. <i>Rapport RIKZ = Report RIKZ</i>, 2007.007. Rijkswaterstaat. Rijksinstituut voor Kust en Zee: Middelburg.  64 pp.","RR":"<b>Van den Heuvel-Greve, M. <i>et al.</i></b> (2007). Vervolgonderzoek chemische stoffen in visserijproducten uit de Westerschelde; dioxines (w.o. furanen), PCB's, gebromeerde vlamvertragers en geperfluoreerde verbindingen, 2006. <i>Rapport RIKZ = Report RIKZ</i>, 2007.007. Rijkswaterstaat. Rijksinstituut voor Kust en Zee: Middelburg.  64 pp.","4":"Vervolgonderzoek chemische stoffen in visserijproducten uit de Westerschelde; dioxines (w.o. furanen), PCB's, gebromeerde vlamvertragers en geperfluoreerde verbindingen, 2006","StT":"Vervolgonderzoek chemische stoffen in visserijproducten uit de Westerschelde; dioxines (w.o. furanen), PCB's, gebromeerde vlamvertragers en geperfluoreerde verbindingen, 2006","5":"Van den Heuvel-Greve, M.; Withagen, L.; Leonards, P.E.G.","RSA":"Van den Heuvel-Greve, M.; Withagen, L.; Leonards, P.E.G.","6":"Gebruikt in deze dataset","DutchTerm":"Gebruikt in deze dataset","7":null,"AnaDate":null,"8":2007,"MonDate":2007,"9":". <i>Rapport RIKZ = Report RIKZ</i>, 2007.007. Rijkswaterstaat. Rijksinstituut voor Kust en Zee: Middelburg.  64 pp.","":". <i>Rapport RIKZ = Report RIKZ</i>, 2007.007. Rijkswaterstaat. Rijksinstituut voor Kust en Zee: Middelburg.  64 pp.","10":null,"doi":null}],"urls":null,"pictures":null,"urlmaps":null,"spatreps":null,"fileformats":null,"resmessage":"","complete":1}