期刊
ENVIRONMENTAL POLLUTION
卷 159, 期 6, 页码 1577-1583出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.envpol.2011.02.054
关键词
Flame retardants; PBDE; Hexabromobenzene; 2,3-Dibromopropyl-2.4.6-tribromophenyl ether; Air-seawater exchange; Arctic
The spatial distribution of polybrominated diphenyl ethers (PBDEs) and several alternative non-PBDE, non-regulated brominated flame retardants (BFRs) in air and seawater and the air-seawater exchange was investigated in East Greenland Sea using high-volume air and water samples. Total PBDE concentrations ((10PBDEs)-P-6) ranged from 0.09 to 1.8 pg m(-3) in the atmosphere and from 0.03 to 0.64 pg L-1 in seawater. Two alternative BFRs, Hexabromobenzene (HBB) and 2,3-dibromopropyl-2,4,6-tribromophenyl ether (DPTE), showed similar concentrations and spatial trends as PBDEs. The air seawater gas exchange was dominated by deposition with fluxes up to -492 and -1044 pg m(-2) day(-1) for BDE-47 and DPTE, respectively. This study shows the first occurrence of HBB, DPTE and other alternative flame retardants (e.g., pentabromotoluene (PBT)) in the Arctic atmosphere and seawater indicating that they have a similar long-range atmospheric transport potential (LART) as the banned PBDEs. (C) 2011 Elsevier Ltd. All rights reserved.
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