Source identification, contamination status and health risk assessment of heavy metals from road dusts in Dhaka, Bangladesh
文献类型：期刊论文
| 作者 | Nargis, Aklima; Habib, Ahsan; Islam, Md Nazrul; Chen, Kai; Sarker, Md Shafiqul Islam; Al-Razee, A. N. M.; Liu, Wenbin ; Liu, Guorui; Cai, Minggang
|
| 刊名 | JOURNAL OF ENVIRONMENTAL SCIENCES
 |
| 出版日期 | 2022 |
| 卷号 | 121页码:1-16 |
| ISSN号 | 1001-0742 |
| 关键词 | Heavy metal Road dust Dhaka Principal component analysis Pollution status Health risk assessment |
| 英文摘要 | In this study, concentrations of Cr, Mn, Ni, Cu, Zn, Cd and Pb were determined in road dusts collected from different locations in Dhaka to assess source, contamination status and health risk. Energy-dispersive X-ray fluorescence spectroscopy and energy-dispersive X-ray spectroscopy were used to determine Cr, Mn, Ni, Cu, Zn, Cd and Pb and their mean concentrations were 162.27 ?? 29.46, 721.18 ?? 180.14, 35.65 ?? 12.55, 104.56 ?? 128.33, 515.32 ?? 321.90, BDL, and 342.82 ?? 591.20 mg/kg, respectively. Among the heavy metals, highest concentrations of Cu, Zn and Pb were found at urban sites-7 (municipal waste dumping) and 8 (medical waste incineration). Highest concentration of Cr followed by Cu and Zn was found at site-5 (Tejgaon, urban). Principal component analysis revealed that anthropogenic activities are the potential sources for Cr, Ni, Cu, Zn and Pb while earth crust for Mn. Pollution index and pollution load index results suggested that all the sites were contaminated and/or degraded by Cr, Cu, Zn and Pb except sites-9 (urban), 10 (sub-urban), 11 (rural) while sites-7 and 8 (urban) were extremely degraded. For noncarcinogenic health risk, hazard quotient values for dermal were higher compared to that of inhalation/ingestion. Though hazard index values were less than 1 at all the sites, these were at least one order of magnitude higher for children group than that of adult group, thus the children group may face more noncarcinogenic health risk at sites-7 and 8. Values of incremental lifetime cancer risk were from 10-9 to 10-11 showed no carcinogenic health risk by road dusts contaminated with the heavy metals. ?? 2022 The Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences. Published by Elsevier B.V. |
| 源URL | [https://ir.rcees.ac.cn/handle/311016/48514]  |
| 专题 | 生态环境研究中心_环境化学与生态毒理学国家重点实验室 |
| 作者单位 | 1.Chinese Academy of Sciences 2.Xiamen University 3.University of Dhaka 4.Research Center for Eco-Environmental Sciences (RCEES) |
| 推荐引用方式 GB/T 7714 | Nargis, Aklima,Habib, Ahsan,Islam, Md Nazrul,et al. Source identification, contamination status and health risk assessment of heavy metals from road dusts in Dhaka, Bangladesh[J]. JOURNAL OF ENVIRONMENTAL SCIENCES,2022,121:1-16. |
| APA | Nargis, Aklima.,Habib, Ahsan.,Islam, Md Nazrul.,Chen, Kai.,Sarker, Md Shafiqul Islam.,...&Cai, Minggang.(2022).Source identification, contamination status and health risk assessment of heavy metals from road dusts in Dhaka, Bangladesh.JOURNAL OF ENVIRONMENTAL SCIENCES,121,1-16. |
| MLA | Nargis, Aklima,et al."Source identification, contamination status and health risk assessment of heavy metals from road dusts in Dhaka, Bangladesh".JOURNAL OF ENVIRONMENTAL SCIENCES 121(2022):1-16. |
入库方式： OAI收割
来源：生态环境研究中心
浏览0
下载0
收藏0
其他版本
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。