1. School of Marine Sciences, Ningbo University, Ningbo 315211, China;
2. Ningbo Institute of Ocean and Fishery, Ningbo 315012, China;
3. Ningbo Monitoring Information Center of Ocean and Fishery, Ningbo 315141, China
Abstract:Implementing gas chromatography-mass spectrometry(GC-MS) into determination of 19 kinds of chlorophenols(CPs) of 18 stations on the south bank of Hangzhou Bay, the total range of Chlorophenols is from 16.71 to 2.181×104ng·L-1. structurally, the seawater on the south bank of Hangzhou Bay is dominated by low chlorinated chlorophenols. Determining the distribution principal and pollution situation by using Principal Component Analysis, in that way, Chlorophenols can be divided into two groups, which are high and low levels, 22-chlorophenol, 4-chlorophenol and 2, 4, 6-trichlorophenol are the major chlorophenols pollution. The order of pollution level from high standard to low standard is Zhenhai >Yuyao >Cixi. Among them, the pollution of Zhenhai Xinhongzha sea area, Zhenhai Niluoshan, Cixi Danshuihong littoral zone and Yuyao Huangjiabu are comparatively serious. Processing the Ecological Risk Assessment by using risk quotient has figured out environmental risks of chlorophenols on the south bank of Hangzhou Bay in some degree, which needs the further monitoring and appropriate measures to reduce pollution.
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