Residues and Distribution of Organochlorine Pesticides in Water and Suspended Particulate Matter from Hangzhou Bay, East China Sea

被引：23
|
作者：
Li, Weidong [1 ,3 ]
Yang, Huayun [1 ]
Jiang, Xia [1 ]
Liu, Qi [2 ]
Sun, Yan [1 ]
Zhou, Jiazhong [3 ]
机构：
[1] Hangzhou Normal Univ, Qianjiang Coll, Dept Sci & Technol, 16 Xuelin Rd, Hangzhou 310036, Zhejiang, Peoples R China
[2] Hangzhou Normal Univ, Coll Life & Environm Sci, Hangzhou 310036, Zhejiang, Peoples R China
[3] Zhejiang Univ Technol, Coll Biol & Environm Engn, Hangzhou 310032, Zhejiang, Peoples R China
来源：
BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY | 2016年 / 96卷 / 03期
基金：
中国国家自然科学基金;
关键词：
Organochlorine pesticides; Hangzhou Bay; Water; Suspended particulate matter; PEARL RIVER DELTA; SOUTH CHINA; HEXACHLOROCYCLOHEXANE ISOMERS; SURFACE SEDIMENTS; ESTUARY; DDT; HYDROCARBONS; TRANSPORT; SEAWATER; NORTHERN;
D O I：
10.1007/s00128-016-1739-1
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
The concentrations, distribution, and possible sources of organochlorine pesticides (OCPs) in Hangzhou Bay, East China Sea, were studied by analyzing water column and suspended particulate matter (SPM) samples from 13 sites. The results showed that OCP contamination remains widespread in the area. The OCP concentrations were 2.52-27.99 ng/L in the SPM samples and 1.35-26.36 ng/L in the water column samples. Pattern analysis suggested that both fresh and weathered hexachlorocyclohexane (HCH) were present. Low alpha-HCH/gamma-HCH ratios and high beta-HCH and gamma-HCH levels contributed to the total HCH concentrations in both the water column and SPM samples. High p,p'-dichlorodiphenyltrichloroethane (DDT)/o,p'-DDT ratios and low (dichlorodiphenyldichloroethylene + dichlorodiphenyldichloroethane)/DDT ratios were found, reflecting a "dicofol-type" DDT input pattern, This suggested that new DDT inputs are occurring because of dicofol still being used in the area.
引用
收藏
页码：295 / 302
页数：8
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