Evaluation of Areas Under the Influence of a Coal-fired Power Plant Through Genotoxicity Assay
DOI:
https://doi.org/10.5132/jbse.2007.02.013Palabras clave:
soil samples, coal bottom ash, Salmonella/microsome assay, aqueous extracts, organic extractsResumen
Ashes originated from coal burning may contain in its constitution several substances with genotoxic potential, including organic compounds and heavy metals. These ashes are launched in the environment by power plants and may contaminate its surrounding areas. In Brazil, there are no works evaluating the environmental impacts in the area under influence of coal-fired power plants using the Salmonella/microsome assay. Therefore, the aim of this research is to evaluate the genotoxic potential of soil samples adjacent to a coal-fired power plant and of a coal bottom ash deposit in process of recuperation through this bioassay. Superficial soils samples will be collected in areas under influence of a coal-fired power plant in Rio Grande do Sul state, and then organic and aqueous extracts for the Salmonella/microsome with the strain TA98, TA100, TA97a and possibly YG1021 and YG1024, which allow the assessment of nitroderivatives. The results of this work may contribute for the implementation of this bioassay in the biomonitoring of soils.
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Derechos de autor 2007 Ecotoxicology and Environmental Contamination
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