Abstract：
:Hexabromocyclododecane (HBCD) and tetrabromobisphenol A (TBBPA) were measured in surface sediments in the Pearl River Delta, southern China. The concentrations ranged from 0.06 to 304 ng/g dry weight for TBBPA and from 0.03 to 31.6 ng/g for total HBCD. The correlations between the TBBPA and HBCD concentrations were significant in rivers (Dongjiang, Zhujiang, Beijiang, and Dayanhe Rivers) with local input sources but not significant in the Xijiang River and Pearl River Estuary without local sources. HBCD was dominated by γ-HBCD (averaged 52.5-75.0%), whereas α-HBCD contributions were relatively high in sediments from the urban areas. The enantiomeric fractions of γ-HBCD in the sediments (averaged from 0.431 ± 0.035 to 0.479 ± 0.010) differed significantly from that in HBCD technical product except for samples from the e-waste area (Dayanhe River, 0.488 ± 0.091). This suggests that enantioselective biotransformation of HBCD occurs in the aquatic environment in this region.
journal_name
Mar Pollut Bulljournal_title
Marine pollution bulletinauthors
Feng AH,Chen SJ,Chen MY,He MJ,Luo XJ,Mai BXdoi
10.1016/j.marpolbul.2012.03.008subject
Has Abstractpub_date
2012-05-01 00:00:00pages
919-25issue
5eissn
0025-326Xissn
1879-3363pii
S0025-326X(12)00128-2journal_volume
64pub_type
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