PCBs occurrence in marine bivalves and fish from Todos os Santos Bay, Bahia, Brazil

In order to evaluate contamination by polychlorinated biphenyls (PCBs) in a tropical bay exposed to different anthropogenic pressures, samples of bivalves: mangrove oyster (Crassotrea rhizophorae), mangrove mussel (Mytella guyanensis)and clams (Anomalocardia brasiliana), were collected in different...

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Bibliographic Details
Published in:Marine pollution bulletin 2020-05, Vol.154, p.111070-111070, Article 111070
Main Authors: Santos, L.L., Miranda, D., Hatje, V., Albergaria-Barbosa, A.C.R., Leonel, J.
Format: Article
Language:English
Subjects:
Anthropogenic factors
Biota
Bivalves
Bivalvia
Brackishwater molluscs
Clams
Contamination
Dry weight
Estuaries
Estuarine dynamics
Fish
Health risks
Ingestion
Lipids
Mangroves
Marine fish
Marine fishes
Marine molluscs
Mollusks
Northern Hemisphere
PCB
Polychlorinated biphenyls
POPs
Regions
Seafood
Seafoods
Shellfish
Sulfuric acid
Sulphuric acid
Tropical bay
Tropical climate
Water purification
Weight
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Summary:In order to evaluate contamination by polychlorinated biphenyls (PCBs) in a tropical bay exposed to different anthropogenic pressures, samples of bivalves: mangrove oyster (Crassotrea rhizophorae), mangrove mussel (Mytella guyanensis)and clams (Anomalocardia brasiliana), were collected in different parts of Todos os Santos Bay, Bahia, Brazil. In addition, samples of bivalves and fish, purchased from a seafood market in the city of Salvador were analyzed to evaluate human exposure to PCBs through ingestion. Identification and quantification of PCBs were done by GC/MS after microwave extraction and purification with sulfuric acid. In bivalves, concentrations ranged from
ISSN:0025-326X
1879-3363
DOI:10.1016/j.marpolbul.2020.111070