PCDD/F and PCB multi-media ambient concentrations, congener patterns and occurrence in a Mediterranean coastal lagoon (Etang de Thau, France) - Université Clermont Auvergne Accéder directement au contenu
Article Dans Une Revue Environmental Pollution Année : 2008

PCDD/F and PCB multi-media ambient concentrations, congener patterns and occurrence in a Mediterranean coastal lagoon (Etang de Thau, France)

Résumé

Ambient concentrations, congener patterns and multi-media distribution of PCDD/Fs and PCBs were determined in air, water, sediment and mussels in a semi-enclosed marine ecosystem (Thau lagoon, France). sum2,3,7,8-PCDD/F and sum7ICES PCB air concentrations (0.2-1.4 and 31-57 pg m-3, respectively) were typical of rural areas. Concentrations in the water column were very low for PCDD/Fs (163-476 fg L-1) and low for PCBs (138-708 pg L-1). PCDD/F and PCB concentrations found in surface sediment (0.15-1.6 and 2.5-33 ng g-1 d.w., respectively) and mussel (13-21 pg g-1 d.w. and 10-39 ng g-1 d.w., respectively) were medium levels. PCDD/F congener patterns observed in air, water particulate phase and sediments were similar suggesting direct coupling among these compartments and atmospheric inputs of PCDD/Fs into the lagoon. Conversely, for the same set of samples, similar patterns were not observed for PCBs in the mentioned compartments.
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Dates et versions

hal-02138514 , version 1 (06-01-2023)

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Javier Castro-Jiménez, G. Deviller, M. Ghiani, R. Loos, G. Mariani, et al.. PCDD/F and PCB multi-media ambient concentrations, congener patterns and occurrence in a Mediterranean coastal lagoon (Etang de Thau, France). Environmental Pollution, 2008, 156 (1), pp.123-135. ⟨10.1016/j.envpol.2007.12.019⟩. ⟨hal-02138514⟩
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