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It is very important to know the fate of a chemical in the regional or universal environment to control the hazardous chemicals. The fate modelling is the most effective method to predict the concentrations in ecosystem. It is possible to find the most effective policy to control the chemicals harmful to ecosystem including human being to apply the several management scenarios simulated by the fate model. The method is very useful to make a decision making.
Organotin compounds are widely used as antifouling paint to prevent adherence of sedentary organisms to ship hull and other structural surfaces immersed in seawater. Organotins such as tributyltin(TBT) and triphenyltin(TPT) are considered to be dangerous chemicals because of their deleterious effects on non-target marine organisms.
In this study, the fate of tributyltin(TBT) compounds was simulated by using basin-wide ecological model(BAWEM) coupled with the three-dimensional eco-hydrodynamic model to predict the concentrations of TBT compounds in multi-medias such as water, sediment, organisms in JInhae Bay, Korea,
The model was calibrated with the data surveyed in the study area. The computed tidal currents at two levels obtained by M2 tide on a three-dimensional hydrodynamic model were in good agreement with the observed currents. The simulated results of TBT compound were fairly good coincided with the observed values within the same order. For the control of TBT compound, the risk assessment and management based on the recent toxicological data, the exposure levels in ecosystem and the alternative scenarios should be performed.

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UCI(KEPA) : I410-ECN-0101-2009-472-016829639