| Título: | Monitoring of toxic chemical in the basin of Maringá stream - doi: 10.4025/actascitechnol.v34i3.10302 |
| Autores: |
Freire, Rosane; Universidade Estadual de Maringá Schneider, Roselene Maria; Universidade Estadual de Maringá Freitas, Fabrício Hernandes de; Universidade Estadual de Maringá Bonifácio, Cássia Maria; Universidade Estadual de Maringá Tavares, Célia Regina Granhen; Universidade Estadual de Maringá |
| Fecha: | 2012-05-28 |
| Publicador: | Acta Scientiarum. Techonology |
| Fuente: |
 |
| Tipo: |
monitoramento; análises laboratoriais |
| Tema: |
3.07.00.00-0 water pollution; environmental impact; metals, glyphosate Engenharia Química |
| Descripción: | This study aimed to track the spatial and temporal variations of toxic chemical compounds, such as the metals Al, Cd, Pb, Cu, Cr, Mn, Zn and the pesticide glyphosate, in Maringá stream and in a stretch of Pirapó river. The results pointed out that, in the case of metals, one of the possible sources of these elements is associated to agricultural activities. For glyphosate, were not found concentrations above those established by the Brazilian Water Quality Legislation (CONAMA 357/2005). Concerning this, we emphasized that the impact caused by the agrochemical on water quality should be evaluated considering the adverse effects to the environment caused by its degradation, that produces recalcitrant and surfactant compounds that may be even more toxic for humans and aquatic environment. |
| Idioma: | Inglés |