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  • Zhang et al Chemosphere

    Rights statement: This is the author’s version of a work that was accepted for publication in Chemosphere. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Chemosphere, 148, 2016 DOI: 10.1016/j.chemosphere.2016.01.051

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Hexabromocyclododecanes (HBCDDs) in surface soils from coastal cities in North China: correlation between diastereoisomer profiles and industrial activities

Research output: Contribution to journalJournal article

Published
<mark>Journal publication date</mark>04/2016
<mark>Journal</mark>Chemosphere
Volume148
Number of pages7
Pages (from-to)504-510
Publication StatusPublished
Early online date4/02/16
<mark>Original language</mark>English

Abstract

Hexabromocyclododecane (HBCDD) is a brominated flame retardant with a wide range of industrial applications, although little is known about its patterns of spatial distribution in soils in relation to industrial emissions. This study has undertaken a large-scale investigation around an industrialized coastal area of China, exploring the concentrations, spatial distribution and diastereoisomer profiles of HBCDD in 188 surface soils from 21 coastal cities in North China. The detection frequency was 100% and concentrations of total HBCDD in the surface soils ranged from 0.123 to 363 ng g−1 and averaged 7.20 ng g−1, showing its ubiquitous existence at low levels. The spatial distribution of HBCDD exhibited a correlation with the location of known manufacturing facilities in Weifang, suggesting the production of HBCDD as major emission source. Diastereoisomer profiles varied in different cities. Diastereoisomer compositions in soils were compared with emissions from HBCDD industrial activities, and correlations were found between them, which has the potential for source identification. Although the contemporary concentrations of HBCDD in soils from the study were relatively low, HBCDD-containing products (expanded/extruded polystyrene insulation boards) would be a potential source after its service life, and attention needs to be paid to prioritizing large-scale waste management efforts.

Bibliographic note

This is the author’s version of a work that was accepted for publication in Chemosphere. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Chemosphere, 148, 2016 DOI: 10.1016/j.chemosphere.2016.01.051