| 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 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 orga ... | 2001 | 11381872 |