Distribution of hexabromocyclododecane in Detroit River suspended sediments
Marvin, CH; Tomy, GT; Alaee, M; MacInnis, G
HERO ID
1927800
Reference Type
Journal Article
Year
2006
Language
English
PMID
| HERO ID | 1927800 |
|---|---|
| In Press | No |
| Year | 2006 |
| Title | Distribution of hexabromocyclododecane in Detroit River suspended sediments |
| Authors | Marvin, CH; Tomy, GT; Alaee, M; MacInnis, G |
| Journal | Chemosphere |
| Volume | 64 |
| Issue | 2 |
| Page Numbers | 268-275 |
| Abstract | The distribution of hexabromocyclododecane (HBCD) isomers (alpha, beta and gamma) was determined in Detroit River suspended sediments using liquid chromatography tandem mass spectrometry (LC/MS/MS). Individual isomers of HBCD were measured at concentrations ranging from <0.025 to 1.9 ng/g (dry wt.) for the alpha-isomer, <0.025 to 0.28 ng/g for the beta-isomer, and <0.025 to 2.3 ng/g for the gamma-isomer. Concentrations of total HBCD ranged from <0.075 to 3.7 ng/g. Roughly two-thirds of HBCD profiles in suspended sediments were dominated by the gamma-isomer, and were similar to profiles of commercial technical mixtures. Profiles in the remaining samples were dominated by the alpha-isomer. The beta-isomer was consistently detected at substantially lower levels than the other isomers; this isomer is a minor constituent in the commercial technical mixtures. Seasonal sampling showed significant shifts in the relative ratios of the HBCD isomers. The spatial distribution of HBCD in the Detroit River was similar to other persistent organic pollutants (e.g., PCBs), and showed a strong association with urban/industrial activities in the watershed. However, the highest HBCD concentrations (2.6-3.7 ng/g) were associated with areas of contemporary industrial activity, and were much lower than maximum concentrations of PCBs (2.2 microg/g) found in areas of the Detroit River associated with historical industrial activity. |
| Doi | 10.1016/j.chemosphere.2005.12.011 |
| Pmid | 16442148 |
| Wosid | WOS:000238933400010 |
| Is Certified Translation | No |
| Dupe Override | No |
| Conference Location | Toronto, Canada |
| Conference Name | 3rd International Workshop on Brominated Flame Retardants |
| Conference Date | June 6-9, 2004 |
| Is Public | No |
| Language Text | English |
| Keyword | HBCD; flame retardant; PCBs; Detroit River; suspended sediment; environment concentration |
| Is Peer Review | No |
| Relationship(s) |
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