Abstract
The aim of this study was to evaluate the environmental toxicity of hazardous industrial waste from landfill leachate of the one industrial solid waste center from the Rio Grande do Sul state, Brazil. The physical and chemical characteristics, as well as the ecotoxicity with Daphnia magna and toxicity and mutagenicity with Allium cepa were determined. The results of the row leachate sample indicated that the physical and chemical characteristics are compatible with the limit values imputed for treated wastewaters. Absence of acute ecotoxicity was also detected, however a significant (P<0.01) larger frequency of micronuclei was verified when compared with the results of the negative control, suggesting a genotoxico effect of this wast, although not significant alterations in the mitotic index and root growth was observed.
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