Spatial distribution and vertical profile of polybrominated diphenyl ethers, tetrabromobisphenol A, and decabromodiphenylethane in river sediment from an industrialized region of South China.
Polybrominated diphenyl ethers (PBDEs), tetrabromobisphenol A (TBBPA), and decabromodiphenylethane (DBDPE) were detected in fifteen surface sediments and two sediment cores collected from a river in one heavily industrialized region of South China. TBBPA and DBDPE were detected with concentrations ranging from 3.8 to 230 ng/g dw and from 23 to 430 ng/g dw, respectively. Sigma tri-hepta-BDEs and Sigma nona-deca-BDEs ranged from 0.7 to 7.6 ng/g dw and from 30 to 5700 ng/g dw, respectively. Sigma tri-hepta-BDEs showed an increasing trend whereas for Sigma nona-deca-BDE two sediment cores revealed a decreasing trend in more recent sediment layers which may attributed to the introduction of DBDPE. The rapid increasing trend for TBBPA and DBDPE in recent sediment layers well reflected the rising demand of these two compounds in study area.
Zhang
Xiu-Lan
XL
State Key Laboratory of Organic Geochemistry, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China.
Luo
Xiao-Jun
XJ
Chen
She-Jun
SJ
Wu
Jiang-Ping
JP
Mai
Bi-Xian
BX
D001969:Bromobenzenes / Q000032:analysis; D002681:China; D004784:Environmental Monitoring / Q000379:methods; D005411:Flame Retardants / Q000032:analysis*; D019015:Geologic Sediments / Q000737:chemistry*; D055768:Halogenated Diphenyl Ethers / Q000032:analysis*; D007220:Industrial Waste / Q000032:analysis*; D011075:Polybrominated Biphenyls / Q000032:analysis; D045483:Rivers; D012989:Soil Pollutants / Q000032:analysis*
D001969:Bromobenzenes; D005411:Flame Retardants; D055768:Halogenated Diphenyl Ethers; D007220:Industrial Waste; D011075:Polybrominated Biphenyls; D012989:Soil Pollutants; C491509:decabromodiphenyl ethane; C020806:tetrabromobisphenol A