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Avaliação da contaminação do Igarapé do Sabino (Bacia do Rio Tibiri) por metais pesados, originados dos resíduos e efluentes do Aterro da Ribeira, em São Luís, Maranhão

2009; Brazilian Chemical Society; Volume: 32; Issue: 4 Linguagem: Inglês

10.1590/s0100-40422009000400025

ISSN

1678-7064

Autores

Antonio Eduardo Lopes Campos, Gilvanda Silva Nunes, José Crediciomar Silva de Oliveira, Ilda Antonieta Salata Toscano,

Tópico(s)

Water Quality and Pollution Assessment

Resumo

This work aimed to carry out an environmental monitoring in sabino narrow river (affluent of Tibiri Basin, in São Luís -MA, Brazil), in order to verify the main environmental impacts caused by effluent residues from Ribeira landfill.Chemical analysis and bibliographic and cartographic researches on this ecosystem were also carried out.In addition, heavy metals, such as Hg, Pb and Zn, were investigated in water samples by ICP-MS technique.It was observed that the contents of such heavy metals were above the tolerance limits established by the Brazilian legislation, showing a strong impact level on the evaluated ecosystem.

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