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题名: Perfluoroalkyl acids (PFAAs) in indoor and outdoor dusts around a mega fluorochemical industrial park in China: Implications for human exposure
作者: Su, Hongqiao; Lu, Yonglong; Wang, Pei; Shi, Yajuan; Li, Qifeng; Zhou YunQiao(周云桥); Johnson, Andrew C.
刊名: ENVIRONMENT INTERNATIONAL
出版日期: 2016-09
卷号: 94, 期号:0, 页码:667-673
关键词: PFOA ; C4-C7 PFCAs ; Indoor dust ; Outdoor dust ; Mega fluorochemical industrial park
DOI: 10.1016/j.envint.2016.07.002
部门归属: 城市与区域生态国家重点实验室
英文摘要: The manufacture of fluorochemicals can lead to high levels of perfluoroalkyl acids (PFAAs) contaminating the surrounding environment and consequently elevated exposure to the local residents. In this study, measurements of PFAAs associated with indoor and outdoor dusts around a mega fluorochemical industrial park (FIP) were made. Perfluorooctanoic acid (PFOA) and short-chain perfluoroalkyl carboxylic acids (C4-C7 PFCAs) were the predominant forms in all samples. The signature of the PFAAs in dusts in the local area matched that found within the FIP complex. The contamination plume in the local area could be linked to the prevailing wind direction starting from the FIP. The dust concentrations decreased exponentially with distance from the FIP (noticeably in the first 5 km). PFAAs contamination could be detected at the furthest location, 20 km away from the FIP. The concentrations of PFAAs were higher in indoor dust (73-13,500 ng/g, median: 979 ng/g) than those in outdoor dust (5-9495 ng/g, median: 62 ng/g) at every location. The highest estimated daily intake of PFOA via dust ingestion (26.0 ng/kg.bw/day) was for toddlers (2-5 years) living 2 km away from the HP, which is posing human health risk, though exposure remains within the provisional tolerable daily intake values. (C) 2016 Elsevier Ltd. All rights reserved.
收录类别: SCI
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内容类型: 期刊论文
URI标识: http://ir.rcees.ac.cn/handle/311016/35638
Appears in Collections:城市与区域生态国家重点实验室_期刊论文

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Recommended Citation:
Su, Hongqiao,Lu, Yonglong,Wang, Pei,et al. Perfluoroalkyl acids (PFAAs) in indoor and outdoor dusts around a mega fluorochemical industrial park in China: Implications for human exposure[J]. ENVIRONMENT INTERNATIONAL,2016,94(0):667-673.
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