Assessment of sources and health risks of heavy metals in metropolitan household dust among preschool children: The LEAPP-HIT study

Chi Sian Kao, Ying Lin Wang, Chuen Bin Jiang, Pei Ju Tai, Yi Hua Chen, Hsing Jasmine Chao, Yu Chun Lo, Zeng Yei Hseu, Hsing Cheng Hsi, Ling Chu Chien

研究成果: 雜誌貢獻文章同行評審

摘要

The most common construction material used in Taiwan is concrete, potentially contaminated by geologic heavy metals (HMs). Younger children spend much time indoors, increasing HM exposure risks from household dust owing to their behaviors. We evaluated arsenic (As), cadmium (Cd), and lead (Pb) concentrations in fingernails among 280 preschoolers between 2017 and 2023. We also analyzed HM concentrations, including As, Cd, Pb, chromium (Cr), nickel (Ni), copper (Cu), zinc (Zn), iron (Fe), and manganese (Mn), in 90 household dust and 50 road dust samples from a residential area where children lived between 2019 and 2021 to deepen the understanding of sources and health risks of exposure to HMs from household dust. The average As, Cd, and Pb concentrations in fingernails were 0.12 ± 0.06, 0.05 ± 0.05, and 0.95 ± 0.77 μg/g, respectively. Soil parent materials, indoor construction activities, vehicle emissions, and mixed indoor combustion were the pollution sources of HMs in household dust. Higher Cr and Pb levels in household dust may pose non-carcinogenic risks to preschoolers. Addressing indoor construction and soil parent materials sources is vital for children's health. The finding of the present survey can be used for indoor environmental management to reduce the risks of HM exposure and avoid potential adverse health effects for younger children.
原文英語
文章編號120015
期刊Journal of Environmental Management
352
DOIs
出版狀態已發佈 - 2月 2024

ASJC Scopus subject areas

  • 環境工程
  • 廢物管理和處置
  • 管理、監督、政策法律

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