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KMID : 1156220160420030224
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Journal of Environmental Health Sciences
2016 Volume.42 No. 3 p.224 ~ p.233
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Urinary Arsenic Concentrations among Residents in the Vicinity of a Chungcheongnam-do Province Industrial Complex Area
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Kim Hee-Chan
Roh Sang-Chul
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Abstract
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Objectives: The purpose of this study was to evaluate the relationship between residential surroundings, such as a power plant, steel mill and petrochemical facilities, and urinary arsenic concentrations in Chungcheongnamdo Province, Korea.
Methods: Stratified by fish consumption and residential district, median and maximum block sampling was applied. A total of 346 spot urine samples were speciated for As5+, As3+, monomethylarsonic acid(MMA), dimethylarsonic acid (DMA) and arsenobetaine (AsB). Exposure assessment was based on questionnaires including data on sex, age, current tobacco use, fish consumption, type of water consumed, and occupational category.
Results: Urinary As5+ + As3+ + MMA + DMA concentrations of people living in the vicinity of a power plant (GM=50.39 μg/g) were 61% higher than those of people living in the inland area according to median block sampling. Urinary As5+ + As3+ + MMA + DMA + AsB concentrations of people living in the vicinity of industrial complex area were higher than those of people living in the inland area according to block sampling by median and maximum.
Conclusion: Urinary arsenic concentrations of people living in vulnerable areas such as around industrial complexes, especially power plants, were higher than those of people living in an inland area.
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KEYWORD
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Arsenic species, biomarker, Chungcheongnam-do Province industrial complex, environmental exposure, urine
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