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室内环境中通过灰尘摄入和手-口接触带来的阻燃剂人体暴露风险

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茹淑玲, 贾慧凝, 李鑫, 郑晓波, 解启来. 室内环境中通过灰尘摄入和手-口接触带来的阻燃剂人体暴露风险[J]. 环境化学, 2019, (10): 2247-2255. doi: 10.7524/j.issn.0254-6108.2018113002
引用本文: 茹淑玲, 贾慧凝, 李鑫, 郑晓波, 解启来. 室内环境中通过灰尘摄入和手-口接触带来的阻燃剂人体暴露风险[J]. 环境化学, 2019, (10): 2247-2255. doi: 10.7524/j.issn.0254-6108.2018113002
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RU Shuling, JIA Huining, LI Xin, ZHENG Xiaobo, XIE Qilai. Human exposure to flame retardants via dust ingestion and hand-to-mouth contact in indoor environment[J]. Environmental Chemistry, 2019, (10): 2247-2255. doi: 10.7524/j.issn.0254-6108.2018113002
Citation: RU Shuling, JIA Huining, LI Xin, ZHENG Xiaobo, XIE Qilai. Human exposure to flame retardants via dust ingestion and hand-to-mouth contact in indoor environment[J]. Environmental Chemistry, 2019, (10): 2247-2255. doi: 10.7524/j.issn.0254-6108.2018113002
shu

室内环境中通过灰尘摄入和手-口接触带来的阻燃剂人体暴露风险

  • 华南农业大学资源环境学院, 广州, 510640

    • 通讯作者: 解启来, E-mail: xieql@scau.edu.cn
  • 基金项目:

    广东省自然科学基金（2016A030310440）和广州市珠江新星项目（201806010185）资助.

Human exposure to flame retardants via dust ingestion and hand-to-mouth contact in indoor environment

  • The College of Natural Resources and Environment of South China Agricultural University, Guangzhou, 510640, China

    • Corresponding author: XIE Qilai, xieql@scau.edu.cn
  • Fund Project: Supported by the National Natural Science Foundation of Guangdong, China (2016A030310440) and the Pearl River Nova Program of Guangzhou, China (201806010185).

  • 摘要: 本研究在广州市某高校随机选取17间大学宿舍进行灰尘取样，同时对居住于宿舍的32名在校学生进行手部擦拭取样.分析了室内灰尘和人手表面的阻燃剂（flame retardants，FRs）的含量水平和组成特征，并估算了灰尘摄入和手-口接触两种不同评估途径的日暴露量.多溴联苯醚（polybrominated diphenyl ethers，PBDEs）、磷酸酯阻燃剂（phosphorus flame retardants，PFRs）、德克隆（dechlorane plus，DP）、1，2-双（2，4，6-三溴苯氧基）乙烷（1，2-bis（2，4，6-tribromophenoxy）ethane，BTBPE）和十溴二苯乙烷（decabromodiphenyl ethane，DBDPE）在室内灰尘和手表面中均有检出.两种介质中的FRs组成相似，都主要包括BDE 209、DBDPE、PFRs，其中∑PFRs和DBDPE在两种介质中检出浓度最高，在灰尘中的中值浓度分别为1294 ng·g-1和1751 ng·g-1，在手表面的中值浓度分别为277 ng·m-2和41.7 ng·m-2.手-口接触摄入的FRs暴露量与灰尘摄入的FRs暴露量相当.在FRs的暴露风险评估中，手-口接触途径带来的FRs的暴露不容忽视.
    Abstract: In the present study, dust samples were collected from 17 college dormitories in a university located in Guangzhou. Hand wipe samples were also collected from 32 students residence in these dormitories. The levels and compositions of flame retardants (FRs) in dust and hand wipe samples were investigated. The human exposure to FRs via dust ingestion and hand-to-mouth contact was also estimated. Polybrominated diphenyl ethers (PBDEs), phosphorus flame retardants (PFRs), dechlorane plus (DP), 1,2-bis(2,4,6-tribromophenoxy) ethyl (BTBPE) and decabromodiphenyl ethane (DBDPE) were detected in all samples of indoor dust and hand wipes. The main FRs were BDE 209, DBDPE and PFRs in both dust and hand wipes. ∑PFRs and DBDPE had the highest concentrations in dust and hand wipes. The median concentrations of ∑PFRs and DBDPE were 1294 ng·g-1 and 1751 ng·g-1 in dust, and 277 ng·m-2 and 41.7 ng·m-2 in hand wipes, respectively. The daily exposure values via hand-to-mouth exposure were comparable with the daily exposure values via dust intake. The human exposure to FRs via hand-to-mouth transfer should be of concern.
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  • 收稿日期:  2018-11-30

室内环境中通过灰尘摄入和手-口接触带来的阻燃剂人体暴露风险

    通讯作者: 解启来, E-mail: xieql@scau.edu.cn
  • 华南农业大学资源环境学院, 广州, 510640
  • 收稿日期:  2018-11-30
基金项目:

广东省自然科学基金（2016A030310440）和广州市珠江新星项目（201806010185）资助.

摘要: 本研究在广州市某高校随机选取17间大学宿舍进行灰尘取样，同时对居住于宿舍的32名在校学生进行手部擦拭取样.分析了室内灰尘和人手表面的阻燃剂（flame retardants，FRs）的含量水平和组成特征，并估算了灰尘摄入和手-口接触两种不同评估途径的日暴露量.多溴联苯醚（polybrominated diphenyl ethers，PBDEs）、磷酸酯阻燃剂（phosphorus flame retardants，PFRs）、德克隆（dechlorane plus，DP）、1，2-双（2，4，6-三溴苯氧基）乙烷（1，2-bis（2，4，6-tribromophenoxy）ethane，BTBPE）和十溴二苯乙烷（decabromodiphenyl ethane，DBDPE）在室内灰尘和手表面中均有检出.两种介质中的FRs组成相似，都主要包括BDE 209、DBDPE、PFRs，其中∑PFRs和DBDPE在两种介质中检出浓度最高，在灰尘中的中值浓度分别为1294 ng·g-1和1751 ng·g-1，在手表面的中值浓度分别为277 ng·m-2和41.7 ng·m-2.手-口接触摄入的FRs暴露量与灰尘摄入的FRs暴露量相当.在FRs的暴露风险评估中，手-口接触途径带来的FRs的暴露不容忽视.

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