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Titre :
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Accumulation of polycyclic aromatic hydrocarbons in semipermeable membrane devices and caged mussels (Mytilus edulis L.) in relation to water column phase distribution
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Auteurs :
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J. Axelman ;
K. Naes ;
C. Naf ;
D. Broman
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Type de document :
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article/chapitre/communication
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Année de publication :
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1999
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Format :
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p. 2454-2461
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Langues:
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= Anglais
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Catégories :
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EAU
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Mots-clés:
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MILIEU AQUATIQUE
;
POLLUTION DE L'EAU
;
DERIVE AROMATIQUE
;
POISSON
;
MYTILUS EDULIS
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Résumé :
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Semipermeable membrane devices (SPMDs) and blue mussels (Mytilus edulis L.) were deployed at a site contaminated by discharges of polycyclic aromatic hydrocarbons (PAHs) from an aluminium reduction plant, and at a reference site. The accumulation of PAHs in SPMDs versus mussels, along with the ability of the two matrices to predict contaminant concentrations in the ambient environment, were evaluated through concurrent measurements of particulate, dissolved, and colloidal PAHs in the water column. Analysis of the results showed that blue mussels were more efficient at sequestering PAHs than were SPMDs. The PAH profile (i.e., the relative abundance of individual PAHs) in the two matrices were similar, but differed significantly from the profile in the dissolved phase. Further, back-calculation of the ambient dissolved concentrations from SPMDs indicated systematic overtrapping with increasing hydrophobicity.
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Source :
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Environmental Toxicology and Chemistry, vol.18, n°11
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