Butyltin compounds in sediment and fish from the Polish Coast of the Baltic Sea |
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Authors: | Kurunthachalam Senthilkumar Carolyn A Duda Daniel L Villeneuve Kurunthachalam Kannan Jerzy Falandysz John P Giesy |
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Institution: | (1) Department of Zoology, and Institute for Environmental Toxicology, Michigan State University, National Food Safety and Toxicology Center, 48824 East Lansing, MI, USA;(2) Department of Environmental Chemistry and Ecotoxicology, University of Gdańsk, Ul. Sobieskiego 18, PL 80-953 Gdańsk, Poland;(3) 213 National Food Safety and Toxicology Center, Michigan State University, 48824 East Lansing, MI, USA |
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Abstract: | Concentrations of mono- (MBT), di- (DBT), and tri-(TBT) butyltin compounds were measured in eggs, liver, and muscle of nine
species of fish from four regions of the Baltic Sea - the Firth of Vistula, the Gulf of Gdańsk, Puck Bay, and the mouth of
the Vistula River. The overall concentration ranges among all the fish sampled from the four sites were: < 7 to 79 ng/g for
MBT, 6 to 1100 ng/g for DBT, 7 to 3600 ng/g for TBT, and 16 to 4800 ng/g for total BTs, on a wet wt basis. The highest concentration
of total BTs was found in herring liver from the Firth of Vistula (4800 ng/g, wet wt) and in roach muscle from Puck Bay (3300
ng/g, wet wt), while the least concentration was found in burbot eggs and liver from the Vistula River (39 and 32 ng/g, wet
wt, respectively). TBT was the major form of BTs present in most samples analyzed. Sediment samples collected from shipyards
in the Gulf of Gdańsk contained butyltin concentrations ranging from 1.2 to 46 μg/g (dry wt) for MBT, 2.0 to 42 μg/g for DBT,
and 2.6 to 40 μg/g for TBT. As with the fish, the majority of the BTs in sediment were present as TBT, which suggested recent
exposure of the aquatic environment of the region to TBT. |
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Keywords: | Aquatic contamination Baltic Sea Butyltin dibutyltin fish Helsinki Commission monobutyltin organotin Poland sediment TBT tributyltin |
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