Atmospheric concentrations of halogenated flame retardants at two remote locations: The Canadian High Arctic and the Tibetan Plateau
作者： Hang Xiao , Li Shen , Yushan Su , Enzo Barresi , Maryl DeJong
DOI: 10.1016/J.ENVPOL.2011.09.041
关键词:
摘要: Atmospheric concentrations of halogenated flame retardants (FRs) were monitored for approximately one year at two remote stations, namely Nam Co on the Tibetan Plateau and Alert in Canadian High Arctic. BDE-47 99 dominant polybrominated diphenyl ether (PBDE) congeners both sites. PBDE generally lower than those Alert. While significant seasonal variations observed PBDEs Alert, FR showed no seasonality, even though air masses originated from distinctly different regions during seasons. This suggests that FRs Tibet do not have regional sources, but are reflective truly global background contamination. Three new FRs, 1,2-bis(2,4,6-tribromophenoxy)ethane (BTBPE), 2-ethyl-1-hexyl-2,3,4,5-tetrabromobenzoate (EHTeBB) bis(2-ethyl-1-hexyl)tetrabromophthalate (TBPH) detected relatively high is first report these atmosphere potential long-range atmospheric transport.
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