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New brominated flame retardants and dechlorane plus in the Arctic: Local sources and bioaccumulation potential in marine benthos
P. Carlsson, B. Vrana, J. Sobotka, K. Borgå, P. Bohlin Nizzetto, Ø. Varpe,
Language English Country England, Great Britain
Document type Journal Article
- MeSH
- Amphipoda MeSH
- Bromobenzenes analysis MeSH
- Hydrocarbons, Chlorinated analysis MeSH
- Halogenated Diphenyl Ethers analysis MeSH
- Environmental Monitoring methods MeSH
- Polycyclic Compounds analysis MeSH
- Flame Retardants analysis MeSH
- Animals MeSH
- Check Tag
- Animals MeSH
- Publication type
- Journal Article MeSH
- Geographicals
- Arctic Regions MeSH
- Svalbard MeSH
The aim of the present study was to investigate the presence and bioaccumulation of new flame retardants (nBFRs), polybrominated diphenyl ethers (PBDEs) and dechlorane plus (DDC-CO) in the marine environment close to an Arctic community. Passive sampling of air and water and grab sampling of sediment and amphipods was used to obtain samples to study long-range transport versus local contributions for regulated and emerging flame retardants in Longyearbyen, Svalbard. BDE-47 and -99, α- and β-tetrabromoethylcyclohexane (DBE-DBCH), syn- and anti-dechlorane plus (DDC-CO) were detected in all investigated matrices and the DDC-COss at higher concentrations in the air than reported from other remote Arctic areas. Water concentrations of ΣDDC-COSs were low (3 pg/L) and comparable to recent Arctic studies. ΣnBFR was 37 pg/L in the water samples while ΣPBDE was 3 pg/L. In biota, ΣDDC-COSs dominated (218 pg/g ww) followed by ΣnBFR (95 pg/g ww) and ΣPBDEs (45 pg/g ww). When compared with other areas and their relative distribution patterns, contributions from local sources of the analysed compounds cannot be ruled out. This should be taken into account when assessing long-range transport of nBFRs and DDC-COs to the Arctic. High concentrations of PBDEs in the sediment indicate that they might originate from a small, local source, while the results for some of the more volatile compounds such as hexabromobenzene (HBBz) suggest long-range transport to be more important than local sources. We recommend that local sources of flame retardants in remote areas receive more attention in the future.
Akvaplan niva Fram Centre P O Box 6606 Langnes 9296 Tromsø Norway
Norwegian Institute for Air Research P O Box 100 2027 Kjeller Norway
University of Oslo Section for Aquatic Biology and Toxicology P O Box 1066 0316 Oslo Norway
References provided by Crossref.org
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- $a New brominated flame retardants and dechlorane plus in the Arctic: Local sources and bioaccumulation potential in marine benthos / $c P. Carlsson, B. Vrana, J. Sobotka, K. Borgå, P. Bohlin Nizzetto, Ø. Varpe,
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- $a The aim of the present study was to investigate the presence and bioaccumulation of new flame retardants (nBFRs), polybrominated diphenyl ethers (PBDEs) and dechlorane plus (DDC-CO) in the marine environment close to an Arctic community. Passive sampling of air and water and grab sampling of sediment and amphipods was used to obtain samples to study long-range transport versus local contributions for regulated and emerging flame retardants in Longyearbyen, Svalbard. BDE-47 and -99, α- and β-tetrabromoethylcyclohexane (DBE-DBCH), syn- and anti-dechlorane plus (DDC-CO) were detected in all investigated matrices and the DDC-COss at higher concentrations in the air than reported from other remote Arctic areas. Water concentrations of ΣDDC-COSs were low (3 pg/L) and comparable to recent Arctic studies. ΣnBFR was 37 pg/L in the water samples while ΣPBDE was 3 pg/L. In biota, ΣDDC-COSs dominated (218 pg/g ww) followed by ΣnBFR (95 pg/g ww) and ΣPBDEs (45 pg/g ww). When compared with other areas and their relative distribution patterns, contributions from local sources of the analysed compounds cannot be ruled out. This should be taken into account when assessing long-range transport of nBFRs and DDC-COs to the Arctic. High concentrations of PBDEs in the sediment indicate that they might originate from a small, local source, while the results for some of the more volatile compounds such as hexabromobenzene (HBBz) suggest long-range transport to be more important than local sources. We recommend that local sources of flame retardants in remote areas receive more attention in the future.
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- $a Varpe, Øystein $u Akvaplan-niva, Fram-Centre, P.O. Box 6606 Langnes, 9296, Tromsø, Norway; University Centre in Svalbard (UNIS), Department of Arctic Biology, P.O. Box 156, 9171, Longyearbyen, Svalbard, Norway.
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