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Human Risk Assessment of Arsenic and Heavy Metal Contamination and Estimation of Remediation Concentration within Abandoned Metal Mine Area
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 Title & Authors
Human Risk Assessment of Arsenic and Heavy Metal Contamination and Estimation of Remediation Concentration within Abandoned Metal Mine Area
Lee, Sang-Woo; Kim, Jeong-Jin; Park, Mi Jeong; Lee, Sang-Hwan; Kim, Soon-Oh;
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 Abstract
This study was initiated to propose the method for human risk assessment suitable to metal mine area. Using a variety of exposure parameters extracted from the investigation of abandoned metal mines, the proposed method was applied to assess the risk of As and heavy metal contamination for inhabitants (male and female adults and child) within an abandoned mine area. Based on the results of risk assessment, in addition, target remediation concentrations of each media (soil, groundwater, and surface water) were estimated. The results indicate that total carcinogenic risk (TCR) and hazard index (HI) representing carcinogenic and non-carcinogenic risks, respectively, were calculated to exceed the tolerable levels (1.00E-6 and 1) with regard to two exposure pathways (groundwater and crop intakes) and As. Thus, the human risk of study area was evaluated to be significant. Based on the target risk (TR) for carcinogens, the remediation concentrations of soil were computed to be 6.83~6.85 mg/kg and 18.41~18.46 mg/kg for As and Pb, respectively. In terms of target hazard index (THI) for non-carcinogens, the remediation concentrations of soil were calculated to be 17.38 mg/kg for Cu and 9.13 mg/kg for As.
 Keywords
human risk assessment;abandoned metal mine;arsenic and heavy metal contamination;carcinogenic risk;non-carcinogenic risk;remediation concentration;
 Language
Korean
 Cited by
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