Abstract
In order to deeply analyze the influencing factors and main sources of soil heavy metal pollution in Huangdao District of Qingdao, 35 soil samples collected from the electronic information area of Haier Industrial Park and Aokema Industrial Park in Huangdao District were selected as the research objects, and the significant biological toxicity of Cd, Cr, Cu, Hg, Ni, Pb, Zn, As in the soil samples were analyzed and the result shows that the variation coefficients of Cr and Ni were examined high, which indicated that the pollutants mainly came from the production and processing activities in the electronic information area. Besides, in accordance with the soil risk assessment level, the analysis of heavy metal pollution status and human health risks of the site in the electronic information area were accomplished and also alarmingly conveyed an obvious risk carcinogenic grade of Cr and As with the “hand-mouth exposure” as the transmission routine of the highest carcinogenic risk level, which urges us to be vigilant.
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