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Health risk assessment of uranium intake from private residential drinking groundwater facilities based on geological characteristics across the Republic of Korea

Authors
 Shervin Hashemi  ;  Inkyu Shin  ;  Soon-Oh Kim  ;  Woo-Chun Lee  ;  Sang-Woo Lee  ;  Do Hwan Jeong  ;  MoonSu Kim  ;  Hyun-Koo Kim  ;  Jiyeon Yang 
Citation
 SCIENCE OF THE TOTAL ENVIRONMENT, Vol.913 : 169252, 2024-02 
Journal Title
SCIENCE OF THE TOTAL ENVIRONMENT
ISSN
 0048-9697 
Issue Date
2024-02
MeSH
Drinking Water* ; Environmental Monitoring ; Groundwater* ; Radioisotopes ; Republic of Korea ; Risk Assessment ; Uranium* / analysis ; Water Pollutants, Chemical* / analysis
Keywords
Aquifer ; Drinking groundwater ; Exposure assessment ; Geological characteristics ; Risk assessment ; Uranium
Abstract
Groundwater contributes to an average of 8 % of the total water source capacity in the Republic of Korea. Hence, private residential households in rural areas in Korea are still using groundwater for drinking without any regular water quality inspection. This can increase the risk of exposure to natural radionuclides like uranium through drinking groundwater. This study investigated the uranium level in drinking groundwater all over the country by analyzing 11,451 samples from private residential drinking groundwater facilities and compared the exposure amount and its associated carcinogenic and non-carcinogenic risk based on the geological characteristics of the aquifer. Results yield that although the average hazard quotient (HQ) and excess cancer risk (ECR) of exposure to natural uranium through drinking groundwater were respectively below 1 and 1 × 10-6 and do not indicate a potential health hazard, significantly high HQ and ECR up to respectively 70 and 4 × 10-4 in samples where the aquifer is the Jurassic granite observed. Accordingly, regular water quality investigation and onsite treatment methods are required to provide healthy drinking water in such areas.
Full Text
https://www.sciencedirect.com/science/article/pii/S0048969723078828
DOI
10.1016/j.scitotenv.2023.169252
Appears in Collections:
1. College of Medicine (의과대학) > Research Institute (부설연구소) > 1. Journal Papers
Yonsei Authors
Yang, Ji Yeon(양지연)
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/199813
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