Characteristics and human inhalation exposure of ionic per- and polyfluoroalkyl substances (PFASs) in PM10 of cities around the Bohai Sea: Diurnal variation and effects of heating activity
文献类型：期刊论文
| 作者 | Liu, Yang; Liu, WeiJian; Xu, YunSong; Zhao, YongZhi1; Wang, Pei2; Yu, ShuangYu; Zhang, JiaoDi; Tang, Yi3; Xiong, GuanNan; Tao, Shu |
| 刊名 | SCIENCE OF THE TOTAL ENVIRONMENT
 |
| 出版日期 | 2019-10-15 |
| 卷号 | 687页码:177-187 |
| 关键词 | Ionic PFASs in PM10 Bohai Sea Rim Heating activity Diurnal variation Potential source Health risk |
| ISSN号 | 0048-9697 |
| 英文摘要 | Atmospheric PM10 (particulate matter with aerodynamic diameter <10 mu m) samples were collected in the cities along the Bohai Sea Rim during heating and non-heating periods, and ionic per-and polyfluoroalkyl species (PFASs) in the PM10 were measured. The total concentration of ionic PFASs ranged from 21.8 to 87.0 pg/m(3), and the mean concentration of ionic PFASs during the day (42.6 pg/m(3)) was slightly higher than that at night (35.1 pg/m(3)). Generally, diurnal variations in the levels of ionic PFASs were consistent with those in the PM10 concentrations. Perfluorooctanoic acid (PFOA, 23.5-33.7%), perfluoropentanoic acid (PFPeA, 28.3-39.9%) and perfluorobutyric acid (PFBA, 17.1-20.1%) accounted for the dominant compositional contributions. Significant positive correlations (p < 0.05) between the main components of PFASs and O-3 implied that oxidative degradation (O-3 served as the main oxidant) in the period of non-heatingmay affect the short-chain PFASs. The clustering analysis of a 72-h backward trajectory indicated that cross-provincial transport contributed to ionic PFASs at the sampling sites. Compared with ingestion via daily diet, the inhalation of PM10 exhibited an insignificant contribution to the estimated average daily intakes (ADIs) of PFASs by different age groups. In addition, the calculated hazard ratios (HRs) for the non-cancer respiratory risk, based on the air concentrations of PFOA and perfluorooctane sulfonate (PFOS), also manifested lower non-cancer risk through inhalation exposure. Capsule: The effects of heating and non-heating activity and diurnal variation on the concentrations of PFASs, dominated by PFOA, PFPeA, and PFBA in PM10, were determined, and atmospheric trans-provincial input served as an important source. (C) 2019 Elsevier B.V. All rights reserved. |
| 源URL | [http://ir.rcees.ac.cn/handle/311016/42388]  |
| 专题 | 生态环境研究中心_城市与区域生态国家重点实验室 |
| 作者单位 | 1.Peking Univ, Key Lab Earth Surface & Proc, Coll Urban & Environm Sci, Beijing 100871, Peoples R China 2.Ctr Environm Engn Assessment, Qiqihar 161005, Heilongjiang, Peoples R China 3.Chinese Acad Sci, Res Ctr Ecoenvironm Sci, Beijing 100085, Peoples R China 4.Tsinghua Univ, Sch Environm, State Key Joint Lab Environm Simulat & Pollut Con, Beijing 100084, Peoples R China |
| 推荐引用方式 GB/T 7714 | Liu, Yang,Liu, WeiJian,Xu, YunSong,et al. Characteristics and human inhalation exposure of ionic per- and polyfluoroalkyl substances (PFASs) in PM10 of cities around the Bohai Sea: Diurnal variation and effects of heating activity[J]. SCIENCE OF THE TOTAL ENVIRONMENT,2019,687:177-187. |
| APA | Liu, Yang.,Liu, WeiJian.,Xu, YunSong.,Zhao, YongZhi.,Wang, Pei.,...&Liu, WenXin.(2019).Characteristics and human inhalation exposure of ionic per- and polyfluoroalkyl substances (PFASs) in PM10 of cities around the Bohai Sea: Diurnal variation and effects of heating activity.SCIENCE OF THE TOTAL ENVIRONMENT,687,177-187. |
| MLA | Liu, Yang,et al."Characteristics and human inhalation exposure of ionic per- and polyfluoroalkyl substances (PFASs) in PM10 of cities around the Bohai Sea: Diurnal variation and effects of heating activity".SCIENCE OF THE TOTAL ENVIRONMENT 687(2019):177-187. |
入库方式： OAI收割
来源：生态环境研究中心
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