Correlations between dioxin-like and indicators PCBs: Potential consequences for environmental studies involving fish or sediment
2009
Babut, M. | Miege, Cecile | Villeneuve, B. | Abarnou, A. | Duchemin, J. | Marchand, P. | Narbonne, J.F. | Biologie des écosystèmes aquatiques (UR BELY) ; Centre national du machinisme agricole, du génie rural, des eaux et forêts (CEMAGREF) | Qualité des eaux et prévention des pollutions (UR QELY) ; Centre national du machinisme agricole, du génie rural, des eaux et forêts (CEMAGREF) | Physiologie Fonctionnelle des Organismes Marins (PFOM) ; Institut Français de Recherche pour l'Exploitation de la Mer (IFREMER) | Agence de l'Eau Seine-Normandie | École nationale vétérinaire, agroalimentaire et de l'alimentation Nantes-Atlantique (ONIRIS) | Laboratoire de Physico -& Toxico Chimie des systèmes naturels (LPTC) ; Université Sciences et Technologies - Bordeaux 1 (UB)-Centre National de la Recherche Scientifique (CNRS)
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Show more [+] Less [-]English. Among the numerous PCB congeners, most of the dioxin-like PCBs (DL-PCBs) need to be characterized by hyphenated techniques. It has been shown in several instances that these congeners are well related to the total PCB content in fish.We examined datasets collected mainly in France, on freshwater and marine fish and sediments. A statistical model linking DL- and indicator PCBs was developed for a dataset composed of freshwater fishes, and proved to predict well DL-PCBs from indicator PCBs in all other fish sets, including marine ones. Type II error rates remained low in almost all fish sets. A similar correlation was observed in sediments. Non-dioxin-like PCBs elicit various adverse effects and represent 95% of the total PCBs. A European guideline for them is needed; the correlation between DL- and indicator PCBs could help develop this standard in the future.
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