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Issue 3, 2012
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Sources and distribution of hexabromocyclododecanes (HBCDs) in Japanese river sediment

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Abstract

The distribution of hexabromocyclododecane (HBCD) in the sediment of three Japanese rivers with different characteristics (i.e., population and potential source in the catchment) was investigated and compared with the results estimated using a multimedia fate model (ChemCAN). High concentrations of HBCD in sediments in the range of 134–2060 ng g−1 were found in a river receiving textile wastewater. This contrasted with the much lower concentrations (0.8–4.8 ng g−1) observed for an urban river (with a surrounding population of 1.8 million). The medians of observed HBCD concentrations in each river were close to those estimated based on the assumed input source (e.g., 1810 ng g−1 for the observed median concentration, and 1436 ng g−1 for the estimation, in the Kuzuryu River). These results demonstrated the importance of considering source contributions of HBCD, including both industrial and consumer sources, to aquatic environments, for reliable risk management.

Graphical abstract: Sources and distribution of hexabromocyclododecanes (HBCDs) in Japanese river sediment

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Publication details

The article was received on 31 Jul 2011, accepted on 19 Dec 2011 and first published on 30 Jan 2012


Article type: Paper
DOI: 10.1039/C2EM10621C
Citation: J. Environ. Monit., 2012,14, 901-907
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    Sources and distribution of hexabromocyclododecanes (HBCDs) in Japanese river sediment

    S. Managaki, I. Enomoto and S. Masunaga, J. Environ. Monit., 2012, 14, 901
    DOI: 10.1039/C2EM10621C

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