Assessment of metallic element contamination in sediments from the Santos - São Vicente Estuarine System

Quimica nova

Hortellani, Marcos Antonio¹  Sarkis, Jorge E. S.¹  Abessa, Denis M. S.²  Sousa, Eduinetty C. P. M.³ 

[1] Instituto de Pesquisas Energéticas e Nucleares, São Paulo, Brasil;Universidade Estadual Paulista, São Vicente, Brasil;Universidade de São Paulo, São Paulo, Brasil

关键词: sediments;    metal contamination;    normalization.;   

DOI  :  10.1590/S0100-40422008000100003

学科分类：化学（综合）

来源: Sociedade Brasileira de Quimica

【 摘 要 】

Three approaches were applied to evaluate metalcontamination in 41 sediment samples from the Santos – São Vicente EstuarineSystem: normalization to Al, statistical analysis and sediment quality guidelines(SQGs). The results showed increases in the concentrations of Zn, Ni, Pb, Cd,Cr and Hg, which seemed to be associated with human activities. The levels ofAl, Fe and Co probably were associated with crustal material or natural weatheringprocesses. About 45% of the samples presented concentrations exceeding TEL-ERL,levels occasionally associated with adverse biological effects. Four of thesesamples presented concentrations above PEL-ERM, levels frequently associatedwith adverse biological effects.

【 授权许可】

CC BY