Seasonal Variation and Health Risk Assessment of Heavy Metals in PM2.5 during Winter and Summer over Xi'an, China
文献类型：期刊论文
| 作者 | Gao, Jinjin1; Ren, Huarui1; Lei, Yali1; Liu, Pingping1,2; Pan, Hua1; Zhang, Renjian3; Liu, Hongxia1; Zheng, Chunli1; Zhang, Qian1; Shen, Zhenxing1,2 |
| 刊名 | ATMOSPHERE
 |
| 出版日期 | 2017-05-01 |
| 卷号 | 8期号:5 |
| 关键词 | Pm2.5 Metals Enrichment Factor Non-cancer Risk Cancer Risk |
| DOI | 10.3390/atmos8050091 |
| 文献子类 | Article |
| 英文摘要 | In this study, 24 h PM2.5 (particles with an equivalent diameter equal to or below 2.5 mu m) samples were collected in winter and summer in Xi'an, Northwestern China to characterize the seasonal variations of eleven elements (As, Cd, Cr, Fe, K, Mn, Mo, Pb, Ni, Zn, and Cu) and to evaluate their health risks by using the US EPA (U.S. Environmental Protection Agency) method. Mass concentrations of the elements (except Ni) in winter were much higher than those in summer, with similar variations for both seasons. The levels of elements followed a decreasing order of K > Zn > Fe > Pb > Cr > As > Mn > Cu > Mo > Ni > Cd. According to the enrichment factor (EF) analysis, the highest EF value for Cd inferred that it should be linked with the metal smelting and other anthropogenic sources. In contrast, the EF values of K and Mn (1 < EF < 5) suggested that they were influenced by both natural and anthropogenic sources. The daily average exposure dose for children and adults by different exposure pathways were both ingestion > dermal contact > inhalation. The non-cancer risks for different exposure pathways showed different orders. The non-cancer risks (hazard quotients) were lower than the average risk threshold (1.0) except for As, Pb, and Cr, which require greater attention. Elements of As and Cr were higher than the cancer risk threshold value (1 x 10(-6)), indicating that the cancer risks of PM2.5 elements in Xi'an should be a concern. |
| WOS关键词 | TRACE-ELEMENTS ; MULTIVARIATE-ANALYSIS ; SOURCE IDENTIFICATION ; CHEMICAL-COMPOSITION ; PARTICULATE MATTER ; STREET DUST ; AEROSOL ; CONTAMINATION ; SOIL ; EPISODE |
| WOS研究方向 | Meteorology & Atmospheric Sciences |
| 语种 | 英语 |
| WOS记录号 | WOS:000404059500013 |
| 源URL | [http://ir.ieecas.cn/handle/361006/5446]  |
| 专题 | 地球环境研究所_黄土与第四纪地质国家重点实验室（2010~） |
| 作者单位 | 1.Xi An Jiao Tong Univ, Dept Environm Sci & Engn, Xian 710049, Peoples R China 2.Chinese Acad Sci, Inst Earth Environm, SKLLQG, Xian 710061, Peoples R China 3.Chinese Acad Sci, Inst Atmospher Phys, Key Lab Reg Climate Environm Temperate East Asia, Beijing 100029, Peoples R China |
| 推荐引用方式 GB/T 7714 | Gao, Jinjin,Ren, Huarui,Lei, Yali,et al. Seasonal Variation and Health Risk Assessment of Heavy Metals in PM2.5 during Winter and Summer over Xi'an, China[J]. ATMOSPHERE,2017,8(5). |
| APA | Gao, Jinjin.,Ren, Huarui.,Lei, Yali.,Liu, Pingping.,Pan, Hua.,...&Xu, Hongmei.(2017).Seasonal Variation and Health Risk Assessment of Heavy Metals in PM2.5 during Winter and Summer over Xi'an, China.ATMOSPHERE,8(5). |
| MLA | Gao, Jinjin,et al."Seasonal Variation and Health Risk Assessment of Heavy Metals in PM2.5 during Winter and Summer over Xi'an, China".ATMOSPHERE 8.5(2017). |
入库方式： OAI收割
来源：地球环境研究所
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。