Groundwater chemistry and health risks associated with nitrate intake in Hailun, northeast China.
作者： Tian Hui , Sun Qifa , Kang Zhuang , Li Xuguang , Du Jizhong
DOI: 10.2166/WH.2020.050
关键词:
摘要: In order to quantify the hydrochemical characteristics of groundwater in Hailun, analyze process, and evaluate its health risks associated with nitrate intake, 77 shallow samples were collected analyzed. The results show that study area is weakly acidic chemical type was dominated by HCO3-Ca, HCO3•Cl-Ca, HCO3-Ca•Na HCO3•Cl-Ca•Na. Rock weathering dissolution, ion exchange, human activities are main reasons affecting composition Hailun. dissolution process silicate under alkaline conditions source Na. calcite, dolomite, gypsum form water-rock interaction. Results risk assessment HQ value for adult males, females, children, infants range 0-1.52, 0-1.75, 0-3.58 0-6.08, respectively, a mean 0.19, 0.22, 0.44, 0.75, respectively. harm NO3 pollution infant > child female male. this made local governments pay attention drinking water safety issues residents.
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