Legacy and novel brominated flame retardants in air of Ny-Alesund, Arctic from 2011 to 2019

被引：7

作者：

Xiong, Siyuan ^{[1
,2
,3
]}

Hao, Yanfen ^{[4
]}

Fu, Jianjie ^{[1
,2
,3
]}

Wang, Pu ^{[4
]}

Yang, Ruiqiang ^{[2
,3
]}

Pei, Zhiguo ^{[2
,3
]}

Li, Yingming ^{[2
,3
]}

Li, An ^{[5
]}

Zhang, Qinghua ^{[1
,2
,3
]}

Jiang, Guibin ^{[2
,3
]}

机构：

[1] UCAS, Hangzhou Inst Adv Study, Sch Environm, Hangzhou 310024, Peoples R China

[2] Chinese Acad Sci, Res Ctr Ecoenvironm Sci, State Key Lab Environm Chem & Ecotoxicol, Beijing 100085, Peoples R China

[3] Univ Chinese Acad Sci, Beijing 100049, Peoples R China

[4] Jianghan Univ, Sch Environm & Hlth, Hubei Key Lab Ind Fume & Dust Pollut Control, Wuhan 430056, Peoples R China

[5] Univ Illinois, Sch Publ Hlth, Chicago, IL 60612 USA

来源：

ENVIRONMENTAL POLLUTION | 2022年 / 313卷

基金：

中国国家自然科学基金;

关键词：

Remote regions; Air pollution; PBDEs; NBFRs; Temporal variations; POLYBROMINATED DIPHENYL ETHERS; PERSISTENT ORGANIC POLLUTANTS; ATMOSPHERIC CONCENTRATIONS; TEMPORAL TRENDS; HUMAN EXPOSURE; ORGANOCHLORINE PESTICIDES; MULTIYEAR MEASUREMENTS; DECHLORANE PLUS; PBDES; ORGANOPHOSPHATE;

D O I：

10.1016/j.envpol.2022.120195

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Concentrations of polybrominated diphenyl ethers (PBDEs) and novel brominated flame retardants (NBFRs) in the atmosphere of Ny-& ANGS;lesund, Svalbard, were investigated. Passive air samples were collected for eight consecutive one-year periods from August 2011 to August 2019 at seven Arctic sampling sites. High-resolution gas chromatography coupled with high-resolution mass spectrometry (HRGC-HRMS) and gas chromatography coupled with election capture negative ionization mass spectrometry (GC-NCI-MS) were employed for PBDE and NBFR analysis, respectively. The median concentrations of E11PBDEs and E6NBFRs were 0.6 pg/m3 and 4.0 pg/ m3, respectively. Hexabromobenzene and BDE-47 were the most abundant NBFR and PBDE congeners in the atmosphere, accounting for 31% and 24% of ENBFR and EPBDE concentrations, respectively. ENBFR concen-tration was approximately six times higher than that of EPBDEs in the same samples. Among NBFRs, the con-centrations of 1,2,3,4,5-pentabromobenzene, 2,3,4,5,6-pentabromobenzene, and 2,3-dibromopropyl-2,4,6-tribromophenyl ether showed increasing temporal variations, with estimated doubling times of 3.0, 3.3, and 2.8 years, respectively. The concentrations of almost all PBDE congeners showed a decreasing variation, with halving times ranging from 2.1 to 9.5 years.

引用

页数：8

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