经过筛选确定苯系物、多环芳烃、有机氯农药、多氯联苯和挥发性卤代烃为主要污染物。

The main pollutants are benzene serial materials, polycyclic aromatic hydrocarbon, organochlorine insecticide, PCB and volatile halogenated hydrocarbon.

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介绍了水体中污染物的种类，详述了辽河流域受到多环芳烃类、有机氯农药、多氯联苯及其他有毒有害物的污染情况。

The species of pollutants in the water body were introduced, and the occurrence of PAHs, OCPs, PCBs and other toxic substances in Liaohe Basin was reviewed.

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介绍了水体中污染物的种类，详述了辽河流域受到多环芳烃类、有机氯农药、多氯联苯及其他有毒有害物的污染情况。

The species of pollutants in the water body were introduced, and the occurrence of PAHs, OCPs, PCBs and other toxic substances in Liaohe Basin was reviewed.

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