A new model for polluted soil risk assessment |
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Affiliation: | 1. Department of Chemical Engineering, Thammasat University, Pathumthani 12121, Thailand;2. Department of Environmental Resources Management, Chia Nan University of Pharmacy and Science, Tainan 71710, Taiwan;3. National Center of Excellence for Environmental and Hazardous Waste Management, Thammasat University, Pathumthani 12121, Thailand |
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Abstract: | In this paper, we discuss the most important theoretical aspects of polluted soil Risk Assessment Methodologies, which have been developed in order to evaluate the risk, for the exposed people, connected with the residual contaminant concentration in polluted soil, and we make a short presentation of the major different kinds of risk assessment methodologies. We also underline the relevant role played, in this kind of analysis, by the pollutant transport models. We also describe a new and innovative model, based on the general framework of the so-called Cellular Automata (CA), initially developed in the UE-Esprit Project COLOMBO for the simulation of bioremediation processes. These kinds of models, for their intrinsic “finite and discrete” characteristics, seem to be very well suited for a detailed analysis of the shape of the pollutant sources, the contaminant fates and the evaluation of target in the risk assessment evaluation.In particular, we will describe the future research activities we are going to develop in the area of a strict integration between pollutant fate and transport models and Risk Analysis Methodologies. |
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