杭州市公共场所内空气中PBDEs污染特征及暴露

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摘要为评估杭州市典型室内公共场所空气中多溴联苯醚（PBDEs）的污染现状，2016年5~8月和9~12月期间，采用空气被动采样技术（PUF-PAS）在17家室内公共场所总计采集54个空气样品，经样品预处理和GC-ECD分析后，结果表明，5类环境空气样品中∑₁₄PBDEs浓度均值大小依次为网咖（2470.43pg/m³）>建材市场（1119.87pg/m³）>电子市场（660.84pg/m³）>商场（478.37pg/m³）>图书城（182.18pg/m³）.最主要的特征单体均为BDE-209，占总量的36.79%~56.21%，BDE-47、BDE-99、BDE-153、BDE-183也是PBDEs在空气中较主要的同系物，其最高浓度分别占7.77%，7.56%，6.32%和7.73%.评估PBDEs人群暴露水平的结果表明，网咖内暴露水平最高，图书城则为最低，其浓度分别为570.10和44.79pg/（kg×d）.室内空气中，对人群PBDEs总摄入量贡献最高的特征单体是BDE-209，平均水平为18.44~323.70pg/（kg×d），最低的则为BDE-183，平均水平为1.75~20.05pg/（kg×d），目前杭州市各典型室内公共场所PBDEs人群暴露水平相比美国环境保护署（EPA）提出的参考剂量较低.

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	金漫彤
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	郑艳霞
	沈学优

关键词 ：多溴联苯醚, 典型室内公共场所, 大气被动采样技术, 污染现状, 室内空气, 暴露水平

Abstract：In order to investigate the contaminant status of PBDEs in indoor air from Hangzhou, 54samples were collected by PUF-PAS from 17indoor public places from May to August and September to December in 2016, after pretreatment and GC-ECD analysis of samples, the results revealed that the geometric means of 14PBDE congeners in air samples from five typical indoor public places were in the order of netcafes (2470.43pg/m³) > building materials markets (1119.87pg/m³) > electronic markets (660.84pg/m³) > shopping malls (478.37pg/m³) > libraries (182.18pg/m³). BDE-209 was the dominant congener of PBDEs that accounting for 36.79%~56.21%, and BDE-47, BDE-99, BDE-153, BDE-183also made a significant contribution with their highest concentration of 7.77%, 7.56%, 6.32%, 7.73% of the total PBDEs, respectively. The calculation inhalation exposure revealed that the exposure level of PBDEs in netcafes was the highest and in library was the lowest, with the value of 570.10pg/(kg·d) and 44.79pg/(kg·d), respectively. Moreover, BDE-209 contributed of the total intake of PBDEs was the highest with the value of 18.44~323.70pg/(kg×d) while the value of BDE-183 was the lowest with the value of 1.75~20.05pg/(kg×d), the exposure level of PBDEs in the studied indoor public places were lower than the reference dose of EPA.

Key words： polybrominated diphenyl ethers typical indoor public places passive atmospheric sampling contaminant status indoor air exposure levels

收稿日期: 2017-10-21

:	X131
	X820.4

基金资助:国家重点研发计划项目（2016YFC0207103）；浙江省自然科学基金资助项目（LY16B070012）；浙江工业大学环境科学与工程省重中之重学科开放基金资助项目（20150326）

作者简介: 金漫彤(1967-),女,浙江杭州人,博士,教授,主要研究方向为污染控制与资源化.

引用本文:

金漫彤, 郦林军, 滕丹丹, 郑艳霞, 沈学优. 杭州市公共场所内空气中PBDEs污染特征及暴露[J]. 中国环境科学, 2018, 38(6): 2022-2031. JIN Man-tong, LI Lin-jun, TENG Dan-dan, ZHENG Yan-xia, SHEN Xue-you. Contamination characteristic and exposure of PBDEs via air in indoor public places in Hangzhou. CHINA ENVIRONMENTAL SCIENCECE, 2018, 38(6): 2022-2031.

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http://www.zghjkx.com.cn/CN/ 或 http://www.zghjkx.com.cn/CN/Y2018/V38/I6/2022

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