Metal and trace element assessments of bottom sediments from medium Tietê River basin, Sao Paulo State, Brazil: part II

被引：0

作者：

D. I. T. Favaro

F. R. Rocha

M. Angelini

H. R. A Henriques

J. S. Soares

P. S. C. Silva

S. M. B. Oliveira

机构：

[1] IPEN - CNEN/SP,Centro do Reator de Pesquisa

[2] Universidade de São Paulo,Instituto de Geociências

来源：

Journal of Radioanalytical and Nuclear Chemistry | 2018年 / 316卷

关键词：

Metals; Trace elements; Bottom sediments; Tietê River; Enrichment factor; Geoaccumulation index;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

Concentration of metals in 15 bottom sediment samples from Tietê River, a significantly polluted river, were assessed. Total and partial trace element concentrations were determined, and As, Cd, Cr, Cu, Ni and Zn were found above local reference values. These metals were also higher than the threshold effect level (TEL) in some sampling points and Zn was higher than probable effect level (PEL) oriented values in almost all sampling points. The most polluted points were identified from Tietê to Barra Bonita Counties. Regarding sediment quality, this river is still polluted and precautions to minimize environmental problems caused by toxic metals to biota and to human health are necessary.

引用

页码：805 / 818

页数：13

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