Impact Assessment of Heavy Metals in PM2.5 of Indoor Dust in Xi'an, China

IF 1.6 4区环境科学与生态学 Q4 ENVIRONMENTAL SCIENCES

Aerosol Science and Engineering Pub Date : 2023-10-04 DOI:10.1007/s41810-023-00196-3

Naiwang Yang, Yiyu Wang, Pingqiang Gao, Jiayin Zhang, Wenbin Song, Xuejuan Song, Shiyun Liu, Huijun Su

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引用次数: 0

Abstract

Occurrence, distribution, ecological risk and health risk of chromium (Cr), manganese (Mn), nickel (Ni), copper (Cu), zinc (Zn), lead (Pb), arsenic (As) and cadmium (Cd) in PM2.5 of indoor dusts from Xi’an were determined. All the target elements were detected in the samples, and the maximum Cr, Mn, Ni, Cu, Zn, Pb, As and Cd contents in PM2.5 of dusts were 458, 1005, 115, 604, 2845, 1778, 122.6, and 21.1 mg/kg, respectively. Human activities, industrial produce and traffic could be the main reason for the detection of heavy metals in PM2.5. Cd exhibited significantly high potential ecological risk, which suggested that more attention should be paid to the ecological and environmental effects of Cd pollution. Health risk analysis shows that ingestion of dust particles is the route of exposure for metals in dust, followed by dermal adsorption and inhalation. For children, hazard indexes (HIs) for metals As and Pb were lager than 1, indicating the adverse non-carcinogenic risk for children. Overall, this study provides fundamental information regarding the occurrence, distribution, ecological risk and health risk of heavy metals, which could be helpful for further investigating the health risks of heavy metals in atmospheric environments.

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西安市室内粉尘PM2.5中重金属的影响评价

测定了西安市室内粉尘PM2.5中铬（Cr）、锰（Mn）、镍（Ni）、铜（Cu）、锌（Zn）、铅（Pb）、砷（As）和镉（Cd）的发生、分布、生态风险和健康风险。样品中检测到所有目标元素，粉尘PM2.5中Cr、Mn、Ni、Cu、Zn、Pb、As和Cd的最大含量分别为458、1005、115、604、2845、1778、122.6和21.1 mg/kg。人类活动、工业生产和交通可能是PM2.5中重金属检测的主要原因。镉表现出显著的潜在生态风险，这表明应更多地关注镉污染的生态和环境影响。健康风险分析表明，摄入灰尘颗粒是接触灰尘中金属的途径，其次是皮肤吸附和吸入。对于儿童来说，金属As和Pb的危害指数（HI）大于1，表明儿童有不良的非致癌风险。总之，本研究提供了有关重金属的发生、分布、生态风险和健康风险的基本信息，有助于进一步研究大气环境中重金属的健康风险。

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来源期刊

Aerosol Science and Engineering Environmental Science-Pollution

CiteScore

3.00

自引率

7.10%

发文量

期刊介绍： ASE is an international journal that publishes high-quality papers, communications, and discussion that advance aerosol science and engineering. Acceptable article forms include original research papers, review articles, letters, commentaries, news and views, research highlights, editorials, correspondence, and new-direction columns. ASE emphasizes the application of aerosol technology to both environmental and technical issues, and it provides a platform not only for basic research but also for industrial interests. We encourage scientists and researchers to submit papers that will advance our knowledge of aerosols and highlight new approaches for aerosol studies and new technologies for pollution control. ASE promotes cutting-edge studies of aerosol science and state-of-art instrumentation, but it is not limited to academic topics and instead aims to bridge the gap between basic science and industrial applications. ASE accepts papers covering a broad range of aerosol-related topics, including aerosol physical and chemical properties, composition, formation, transport and deposition, numerical simulation of air pollution incidents, chemical processes in the atmosphere, aerosol control technologies and industrial applications. In addition, ASE welcomes papers involving new and advanced methods and technologies that focus on aerosol pollution, sampling and analysis, including the invention and development of instrumentation, nanoparticle formation, nano technology, indoor and outdoor air quality monitoring, air pollution control, and air pollution remediation and feasibility assessments.