Contamination by Persistent Organochlorines and Butyltin Compounds in the West Coast of Sri Lanka

Concentrations of polychlorinated biphenyls (PCBs), dichlorodiphenyl trichloroethane and its metabolites (DDTs), isomers of hexachlorocyclohexane (HCHs), hexachlorobenzene (HCB), chlordane compounds (CHLs) and butyltin compounds (mono-, di- and tributyltin) were determined in biota and sediments col...

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Bibliographic Details
Published in:Marine pollution bulletin 2001-03, Vol.42 (3), p.179-186
Main Authors: Guruge, K.S, Tanabe, S
Format: Article
Language:English
Subjects:
Animal, plant and microbial ecology
Animals
Applied ecology
Biological and medical sciences
butyltin
butyltins
Ecotoxicology, biological effects of pollution
Environmental Monitoring
Fishes
Fundamental and applied biological sciences. Psychology
Geologic Sediments - analysis
hexachlorocyclohexane
Insecticides - analysis
Marine and brackish environment
Mollusca
Organotin Compounds - analysis
PCBs
pesticides
POPs
rabbit fish
Seawater
Siganus
Sri Lanka
Tropical Climate
Water Pollutants, Chemical - analysis
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Summary:Concentrations of polychlorinated biphenyls (PCBs), dichlorodiphenyl trichloroethane and its metabolites (DDTs), isomers of hexachlorocyclohexane (HCHs), hexachlorobenzene (HCB), chlordane compounds (CHLs) and butyltin compounds (mono-, di- and tributyltin) were determined in biota and sediments collected from locations on the west coast of Sri Lanka. The PCB concentrations found in fish from the Kelani River mouth were higher than those from other Asian developing countries. The pattern of organochlorine accumulation was in the order of PCBs > DDTs > CHLs > HCHs > HCB, and resembled those reported for most developed countries. The accumulation pattern of butyltins in fish was in the order of TBT > DBT > MBT suggesting recent exposure to TBT sources. Total butyltin concentrations found in rabbit fish liver (11–38 μg/g wet wt), collected from the Colombo dockyard, could be the highest ever reported for fish in the world.
ISSN:0025-326X
1879-3363
DOI:10.1016/S0025-326X(00)00140-5