Spatiotemporal Characteristics and Health Risk Assessment of Heavy Metals in PM2.5 in Zhejiang Province

被引:45
|
作者
Wang, Xiaofeng [1 ]
He, Shengliang [1 ]
Chen, Shuchang [2 ]
Zhang, Yongli [3 ]
Wang, Aihong [4 ]
Luo, Jinbin [5 ]
Ye, Xialiang [6 ]
Mo, Zhe [1 ]
Wu, Lizhi [1 ]
Xu, Peiwei [1 ]
Cai, Gaofeng [1 ]
Chen, Zhijian [1 ]
Lou, Xiaoming [1 ]
机构
[1] Zhejiang Prov Ctr Dis Prevent & Control, Binsheng Rd 3399, Hangzhou 310051, Zhejiang, Peoples R China
[2] Hangzhou Ctr Dis Control & Prevent, Mingshi Rd 568, Hangzhou 310021, Zhejiang, Peoples R China
[3] Zhoushan Ctr Dis Control & Prevent, Wengshan Rd 568, Zhoushan 316021, Peoples R China
[4] Ningbo Ctr Dis Control & Prevent, Yongfeng Rd 237, Ningbo 315010, Zhejiang, Peoples R China
[5] Jinhua Ctr Dis Control & Prevent, Jinou Rd 1366, Jinhua 321002, Peoples R China
[6] Lishui Ctr Dis Control & Prevent, Shouerfu Rd 28, Lishui 323000, Peoples R China
基金
中国国家自然科学基金;
关键词
PM2.5; heavy metals; health risk assessment; pollution assessment; CHEMICAL-COMPOSITION; PARTICULATE MATTER; AIR-POLLUTION; PM10; EPISODE; CHENGDU; IMPACT; AREAS;
D O I
10.3390/ijerph15040583
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
The spatiotemporal characteristics and human health risks of 12 heavy metals (Al, As, Be, Cd, Cr, Hg, Mn, Ni, Pb, Sb, Se, and Tl) in fine particulate matter (PM2.5) in Zhejiang Province were investigated. The annual average PM2.5 concentration was 58.83 mu g/m3 in 2015 in Zhejiang. Element contents in PM2.5 varied greatly with the season and locations. Al, Pb, and Mn were the most abundant elements among the studied metal(loid)s in PM2.5. The non-carcinogenic risks of the 12 elements through inhalation and dermal contact exposure were lower than the safe level for children and adults. However, there were potential non-carcinogenic risks of Tl, As, and Sb for children and Tl for adults through ingestion exposure. The carcinogenic risks from As, Be, Cd, Cr, Pb, and Ni through inhalation exposure were less than the acceptable level (1 x 10-4) for children and adults. Pb may carry a potential carcinogenic risk for both children and adults through ingestion. More attention should be paid to alleviate non-carcinogenic and carcinogenic health risks posed by particle-bound toxic elements through ingestion exposure.
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页数:18
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