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Updated: Aug 24, 2026

Clean Sampling and Analysis of River and Estuarine Waters for Trace Metal Studies
Published on: July 1, 2016
Studies of channel sediments contaminated with organics and heavy metals
Maria Claudia Barbosa1, Márcio de Souza Soares de Almeida, Digna Faria Mariz
1Civil Engineering Program, COPPE-Graduate School of Engineering, Federal University of Rio de Janeiro, P.O. Box 68506, 21945-970 Rio de Janeiro, Brazil.
Abstract:
The paper discusses the geo-environmental studies carried out to revitalise a silted up channel in Guanabara Bay. A dredging operation has been planned to remove about 1.5 million cubic meters of contaminated sediment. Investigations were performed to characterise the sediment in terms of its physical and chemical properties and to evaluate the presence of heavy metals and organic compounds, particularly polycyclic aromatic hydrocarbons PAH. Finally, dredging and disposal schemes are briefly outlined based on measured contamination levels.
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