Blood lead levels of residents living around 350 abandoned metal mines in Korea

Title
Blood lead levels of residents living around 350 abandoned metal mines in Korea
Author(s)
사공준김남수[김남수]최재욱[최재욱]홍영습[홍영습]문재동[문재동]이병국[이병국]
Keywords
AU-AG MINE; HEAVY-METALS; RISK-ASSESSMENT; CADMIUM EXPOSURE; HEALTH IMPACT; SOUTH-KOREA; CONTAMINATION; POPULATION; ADULTS; ZINC
Issue Date
201207
Publisher
SPRINGER
Citation
ENVIRONMENTAL MONITORING AND ASSESSMENT, v.184, no.7, pp.4139 - 4149
Abstract
In 2007, as part of the control and prevention of environmental contamination threatening public health, the Korean Ministry of Environment planned to implement a national biomonitoring survey of three metals: lead, cadmium, and mercury in the blood of residents living near 350 abandoned metal mines known to be contaminated and as possible threats to the health of inhabitants. Thus, we investigated demographic and lifestyle variables and blood lead levels in residents living around the mines and compared them against those of control subjects. We measured the blood lead concentrations in 14,849 subjects (14,132 from nearby the 350 abandoned metal mines and 717 subjects from eight control areas). A questionnaire was provided to all subjects to determine gender, age, mining experience, period of time living in the vicinity of mines, smoking status, and personal perception of abandoned mines as a health risk. The geometric means (95% confidence intervals) of the blood lead levels of residents living around the abandoned metal mines and control areas were 3.017 (2.996-3.037 mu g/dL) [female, 2.797 mu g/dL (2.771-2.822 mu g/dL); male, 3.330 mu g/dL (3.298-3.363 mu g/dL)] and 2.757 (2.677-2.837 mu g/dL) [female, 2.604 mu g/dL (2.506-2.700 mu g/dL); male, 2.993 mu g/dL (2.859-3.126 mu g/dL)], respectively. Among residents of the mining areas, nonsmokers and residents who had no mining experience showed significantly lower mean blood lead levels than did smokers, past smokers, and those with mining experience. The mean blood lead concentrations of residents who expressed some concern about the abandoned mines were significantly higher than those of residents without concerns. The mean blood lead concentration of residents living around the abandoned mines was significantly higher than that of residents living in control areas as well as that of the general adult Korean population. We also confirmed that smoking is an important variable to consider, as it increases blood lead concentration.
URI
http://hdl.handle.net/YU.REPOSITORY/27660http://dx.doi.org/10.1007/s10661-011-2250-0
ISSN
0167-6369
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의과대학 > 예방의학교실 > Articles
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