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- W2393069378 abstract "Groundwater is the primary drinking water source for the residents at the Dabaoshan tailing zone and its surrounding areas,To assess of the heavy metal pollution in this region,18 groundwater samples were collected and concentrations of Pb,Cu,Mn,As,and Cd in the samples were measured.Risk assessment was conducted using the environmental health risk assessment model recommended by U S EPA.The results showed that carcinogenic risks caused by the heavy metal are relatively high in the study area.The contents of Pb,Cd,Cu and Mn in groundwater at the Dabaoshan tailing area were 4 times,26 times,28 times,and 312 times higher than the concentrations corresponding to the quality standards of levelⅢgroundwater,indicating that the mining activity greatly affected the groundwater quality.The carcinogen risk values was 103～105 times higher than that caused by non-carcinogenic risks.Moreover,16.7% of the carcinogenic risk values of As exceeded the maximum acceptable levels set by USEPA.And followed the order of AsCd.The mean values of carcinogen risks followed the order of CuPbMn.Most of the carcinogenic risk values(94%)of Mn and Pb exceeded the accepted level 5.05×10-5 a-1 as suggested by International Commission on Radiological Protection.Thus,heavy metal pollution control in this area should be prioritized in the order of CdAsCuPbMn." @default.
- W2393069378 created "2016-06-24" @default.
- W2393069378 creator A5031326676 @default.
- W2393069378 date "2013-01-01" @default.
- W2393069378 modified "2023-09-23" @default.
- W2393069378 title "Assessment of Health Risk from Heavy Metals in Groundwater of the Dabaoshan Tailing Zone and Its Surrounding Areas,Guangdong Province,China" @default.
- W2393069378 hasPublicationYear "2013" @default.
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