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  • Title: Dustfall Heavy Metal Pollution During Winter in North China.
    Author: Xiong QL, Zhao WJ, Guo XY, Shu TT, Chen FT, Zheng XX, Gong ZN.
    Journal: Bull Environ Contam Toxicol; 2015 Oct; 95(4):548-54. PubMed ID: 26215458.
    Abstract:
    In order to study heavy metal pollution in dustfall during Winter in North China, forty-four dustfall samples were collected in North China Region from November 2013 to March 2014. Then forty trace elements content were measured for each sample by inductively coupled plasma-mass spectrometry. Finally, the contamination characteristics of the main heavy metals were studied through a multi-method analysis, including variability analysis, Pearson correlation analysis and principal component analysis. Results showed that the relative contents of cadmium (Cd), zinc (Zn), copper (Cu), bismuth (Bi), lead (Pb) exceeded the standards stipulated in Chinese soil elements background values by amazing 4.9 times. In this study, conclusions were drawn that dustfall heavy metal pollution in the region was mainly caused by transport pollution, metallurgy industrial pollution, coal pollution and steel industrial pollution.
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