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A series of investigations performed on the sediments of the Venetian Lagoon are described regarding their environmental contamination status in the context of the 'Sistema Lagunare Veneziano' Project. Five monitoring areas have been selected in the lagoon: Porto Marghera, Dese, Sacca Sessola, Chioggia and Canale Grande on the basis of an earlier performed sediment screening sampling and in July 1994 34 sediment samples were taken in a sampling campaign. The sediments have been analysed for their polychlorinated biphenyl (PCB) content and chlorinated pesticide content. Organochlorine compounds were found to accumulate in the central area of the lagoon between the City and the industrial site of Porto Marghera, most probably the result of water mass displacement process in the hydrobiologically complex lagoon system rather than due to point sources.

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Authors: ZANZOTTERA S ET AL, JRC Ispra (IT);BIANCHI M, Ecoconsult, Gavirate (IT);CAPODAGLIO G ET AL, Università di Venezia, Centro di Studio sulla Chimica e le Tecnologie per l'Ambiente, CNR (IT)
Bibliographic Reference: Article: Atti Convegno Progetto Sistema Lagunare Veneziano Consiglio Nazionale delle Ricerche - Roma
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