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Profiles, source identification and health risks of potentially toxic metals in pyrotechnic-related road dust during Chinese New Year
Shaochen Yang;  Ping Li;  Jinling Liu;  Xiangyang Bi;  Yongqiang Ning;  Sheng Wang;  Pengcong Wang
2019
Source PublicationEcotoxicology and Environmental Safety
Volume184Pages:1-10
Abstract

Potentially toxic metal (PTM) pollution in road dust is of great concern, however, our understanding of PTMs released by pyrotechnic displays and their adverse impacts on human health in road dust is limited. Here, we studied PTM pollution levels and Pb isotope signatures in pyrotechnic ash and road dust (aged dust and pyrotechnic-influenced dust) samples from eight cities in China during Chinese New Year and carried out a human health risk assessment. Pyrotechnic ash had higher values of Cr, Co, Ni, Cu, Zn, As, Sr and Pb but lower values of Mn and Cd than Chinese background soil. Pyrotechnic-influenced dust had significantly higher Cu and Cr values than aged dust, with enrichment of Sr, Cu, Pb, Cr and Ni in road dust after pyrotechnic displays. Both 208Pb/206Pb and Sr values were used to confirm the presence of pyrotechnic ash in road dust. A positive matrix factorization demonstrated that pyrotechnic events contributed 70.1%, 50.4%, 36.6% and 35.5% of the Sr, Cu, Cr and Pb values to these road dust, respectively. We found that non-carcinogenic and carcinogenic risks related to PTMs in road dust were at safe levels during the Chinese New Year, although both risks were elevated following pyrotechnic events. Typically, PTM pollutants related to pyrotechnic events contributed 33.99% to non-carcinogenic and 21.83% to carcinogenic risks, suggesting that more attention needs to be paid to this source of PTM pollution in China. Current results improve our understanding of PTM pollution in pyrotechnic-influenced road dust and health risks related to pyrotechnic displays in China.

KeywordPotentially Toxic Metal pyrotechnic Display road Dust human Health Risk
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.gyig.ac.cn/handle/42920512-1/10152
Collection环境地球化学国家重点实验室
Affiliation1.Hubei Key Laboratory of Critical Zone Evolution, School of Earth Sciences, China University of Geosciences, Wuhan, 430074, China
2.State Key Laboratory of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang, 550081, China
Recommended Citation
GB/T 7714
Shaochen Yang;Ping Li;Jinling Liu;Xiangyang Bi;Yongqiang Ning;Sheng Wang;Pengcong Wang. Profiles, source identification and health risks of potentially toxic metals in pyrotechnic-related road dust during Chinese New Year[J]. Ecotoxicology and Environmental Safety,2019,184:1-10.
APA Shaochen Yang;Ping Li;Jinling Liu;Xiangyang Bi;Yongqiang Ning;Sheng Wang;Pengcong Wang.(2019).Profiles, source identification and health risks of potentially toxic metals in pyrotechnic-related road dust during Chinese New Year.Ecotoxicology and Environmental Safety,184,1-10.
MLA Shaochen Yang;Ping Li;Jinling Liu;Xiangyang Bi;Yongqiang Ning;Sheng Wang;Pengcong Wang."Profiles, source identification and health risks of potentially toxic metals in pyrotechnic-related road dust during Chinese New Year".Ecotoxicology and Environmental Safety 184(2019):1-10.
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