Taking a region as an example,the evaluation of soil heavy metal pollution was studied.First of all,the basic situation and research methods of this region are briefly introduced,and then the damage of soil heavy metals in this region is evaluated from many aspects.There are various potential hazards of different degrees in this area.In terms of ecological hazards,Cd is the most affected,followed by Mn,Cu,Pb and Zn.In terms of health risks,there are mainly three kinds of heavy metal hazards,and the impact degree is from low to high:cutaneous respira-tory intake,direct intake and respiratory system intake.
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