PMID- 33176912
OWN - NLM
STAT- MEDLINE
DCOM- 20210121
LR  - 20210121
IS  - 1879-1298 (Electronic)
IS  - 0045-6535 (Linking)
VI  - 267
DP  - 2021 Mar
TI  - Atmospheric concentrations and temporal trends of polychlorinated biphenyls and 
      organochlorine pesticides in the Arctic during 2011-2018.
PG  - 128859
LID - S0045-6535(20)33057-5 [pii]
LID - 10.1016/j.chemosphere.2020.128859 [doi]
AB  - Passive air samples were deployed in Ny-Alesund and London Island (Svalbard, High 
      Arctic) annually for seven years (2011-2018) to investigate concentrations, 
      temporal trends and potential sources of selected persistent organic pollutants 
      (POPs). Nine polychlorinated biphenyls and twelve organochlorine pesticides were 
      detected in all samples, with 3,3'-dichlorobiphenyl (PCB-11) being the prevalent 
      congener. Concentrations of most compounds were declining. The ratio of the alpha- 
      and gamma-isomer of hexachlorocyclohexane (HCH) in Arctic air was comparable with 
      that in technical HCH mixtures, but higher than that in the atmosphere of other 
      countries, thereby indicating the impact of historical use as well as the 
      possible photoisomerization of the gamma- into the alpha-isomer. The parent 
      dichlorodiphenyltrichloroethane (DDT) was always less abundant than its 
      degradation products dichlorodiphenylethylene (DDE), indicative of the impact of 
      aged DDT sources in the Arctic atmosphere. However, o,p'-/p,p'-DDT ratios suggest 
      only a minor contribution of dicofol-type DDT. A slightly declining temporal 
      trend of the trans-chlordane/cis-chlordane ratio indicated the impact of 
      secondary sources. The atmospheric distribution of the investigated POPs in the 
      Arctic was mainly attributed to long-range atmospheric transport, whereas the 
      influence of human activities from the scientific research stations was minor.
CI  - Copyright (c) 2020 Elsevier Ltd. All rights reserved.
FAU - Hao, Yanfen
AU  - Hao Y
AD  - State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research 
      Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 
      100085, China; University of Chinese Academy of Sciences, Beijing, 100049, China.
FAU - Li, Yingming
AU  - Li Y
AD  - State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research 
      Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 
      100085, China; University of Chinese Academy of Sciences, Beijing, 100049, China. 
      Electronic address: ymli@rcees.ac.cn.
FAU - Wania, Frank
AU  - Wania F
AD  - Department of Physical and Environmental Sciences, University of Toronto 
      Scarborough, 1265 Military Trail, Toronto, M1C 1A4, Ontario, Canada.
FAU - Yang, Ruiqiang
AU  - Yang R
AD  - State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research 
      Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 
      100085, China; Institute of Environment and Health, Hangzhou Institute for 
      Advanced Study, University of Chinese Academy of Sciences, Hangzhou, 310000, 
      China.
FAU - Wang, Pu
AU  - Wang P
AD  - Institute of Environment and Health, Jianghan University, Wuhan, 430056, China.
FAU - Zhang, Qinghua
AU  - Zhang Q
AD  - State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research 
      Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 
      100085, China; University of Chinese Academy of Sciences, Beijing, 100049, China; 
      Institute of Environment and Health, Hangzhou Institute for Advanced Study, 
      University of Chinese Academy of Sciences, Hangzhou, 310000, China.
FAU - Jiang, Guibin
AU  - Jiang G
AD  - State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research 
      Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 
      100085, China; University of Chinese Academy of Sciences, Beijing, 100049, China.
LA  - eng
PT  - Journal Article
DEP - 20201104
PL  - England
TA  - Chemosphere
JT  - Chemosphere
JID - 0320657
RN  - 0 (Air Pollutants)
RN  - 0 (Hydrocarbons, Chlorinated)
RN  - 0 (Pesticides)
RN  - DFC2HB4I0K (Polychlorinated Biphenyls)
SB  - IM
MH  - *Air Pollutants/analysis
MH  - Arctic Regions
MH  - Environmental Monitoring
MH  - Humans
MH  - *Hydrocarbons, Chlorinated/analysis
MH  - London
MH  - *Pesticides/analysis
MH  - *Polychlorinated Biphenyls/analysis
MH  - Svalbard
OTO - NOTNLM
OT  - Arctic
OT  - Atmosphere
OT  - Organochlorine pesticides
OT  - Polychlorinated biphenyls
OT  - Temporal trend
COIS- Declaration of competing interest The authors declare that they have no known 
      competing financial interests or personal relationships that could have appeared 
      to influence the work reported in this paper.
EDAT- 2020/11/13 06:00
MHDA- 2021/01/22 06:00
CRDT- 2020/11/12 05:32
PHST- 2020/08/27 00:00 [received]
PHST- 2020/10/29 00:00 [revised]
PHST- 2020/11/02 00:00 [accepted]
PHST- 2020/11/13 06:00 [pubmed]
PHST- 2021/01/22 06:00 [medline]
PHST- 2020/11/12 05:32 [entrez]
AID - S0045-6535(20)33057-5 [pii]
AID - 10.1016/j.chemosphere.2020.128859 [doi]
PST - ppublish
SO  - Chemosphere. 2021 Mar;267:128859. doi: 10.1016/j.chemosphere.2020.128859. Epub 
      2020 Nov 4.