Ecotoxicological and human health risk in a petrochemical district of southern Italy.
作者信息
Ausili Antonella, Gabellini Massimo, Cammarata Giuliano, Fattorini Daniele, Benedetti Maura, Pisanelli Barbara, Gorbi Stefania, Regoli Francesco
机构信息
Istituto di Biologia e Genetica, Università Politecnica delle Marche, Ancona, Italy.
出版信息
Mar Environ Res. 2008 Jul;66(1):215-7. doi: 10.1016/j.marenvres.2008.02.062. Epub 2008 Feb 26.
Abstract
An ecotoxicological investigation has been carried in the petrochemical district of Priolo (Sicily, Italy), one of the largest in Europe. Results indicated a severe mercury contamination in sediments sampled near a chloro-alkali plant. A clear bioavailability of this element was demonstrated in mussels Mytilus galloprovincialis (both native and translocated) and the benthic fish Mullus barbatus, which also exhibited marked genotoxic damages. The elevated mercury concentrations in marine organisms are a serious concern for human health; according to the national average fish consumption, the provisional tolerable weekly intake (PTWI) of Hg would be easily exceeded by at least 4 to 12 fold. Such toxicological risk is of particular importance for pregnant women, being possibly involved in the elevated frequency of neonatal malformations.
摘要
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