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Taking Zibo Dawu Water Source Area as the research area, with the help of MapGIS and SPSS analysis tools, the health risks Make an evaluation. The results showed that As, Pb, and Ni belonged to the risk-free level, Hg reached a high-risk level, and Cd reached a medium risk level. The source of Cr is similar to Ni, Cd, Pb, As, the source of Ni is similar to Cd, Pb, and the source of Pb is similar to Hg. The comprehensive non-carcinogenic risk indexes of heavy metals for adults and children are 7.94E-03 and 3.38E-03, respectively, and there is no non-carcinogenic risk; the total carcinogenic risk indexes of heavy metals for adults and children are 5.52E-06 and 4.23E-06, respectively , There is a carcinogenic risk that the human body can bear, and the main influencing factors are Ni and Cr. Skin contact is the main way for heavy metals to cause health risks.
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