Occurrence of organochlorine insecticides, PCBs and PCB congeners in waters and sediments of the Ebro River (Spain)

被引:135
作者
Fernández, MA [1 ]
Alonso, C [1 ]
González, MJ [1 ]
Hernández, LM [1 ]
机构
[1] CSIC, Inst Organ Chem, Dept Instrumental Anal & Environm Chem, Madrid 28006, Spain
关键词
D O I
10.1016/S0045-6535(98)00167-2
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Organochlorine insecticides and poychlorinated biphenyls (PCBs) were measured in water and sediment samples taken from thirteen sites along the Ebro River (Spain), the most agricultural and industrial basin in the North of the Iberian Peninsula. Concentrations of 10 insecticides, PCBs and 13 PCB congeners were determined; grouping all chemicals by structural affinity, these can be arranged in descending order as follow: PCBs > total DDT > total cyclodiene insecticides > total HCH. Higher levels of organochlorine pollutants were detected in sediments from the middle and lower parts of the stream where are located the main important inputs in Ebro River. (C) 1998 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码:33 / 43
页数:11
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