Organochlorine pesticide and heavy metal residues in some edible biota collected from Quanzhou Bay and Xinghua Bay,Southeast China

查看全文 作　　者：Mangala [1]Yatawara;Odhiambo Joshua [1]Owago;Julia E [1]Burnet

机构地区：[1]Key Laboratory of Biogeology and Environmental Geology of Ministry of Education

出　　处：《Journal of Environmental Sciences》索引2010年第22卷第2期,共7页

基　　金：supported by the National Natura Science Foundation of China (No.40473043) 摘　　要：In order to assess the contamination of edible marine organisms in Quanzhou and Xinghua Bays,Fujian Province,China,concentrations of organochlorine pesticides(hexachlorocyclohexane isomers or HCHs and dichlorodiphenyltrichloroethane isomers/derivatives or DDTs) and heavy metals(Cu,Pb,Zn,As,Cr,Cd,Ni and Hg) in 13 species collected from different sites in the bays were analyzed by GC-ECD and ICP-MS.The concentration of the sum of DDTs exceeded that the sum of HCHs in the samples.Most of the organisms showed higher levels of DDTs than the first level criterion(10 ng/g) for marine biological quality in China(GB 18421-2001) but conformed to the first level criterion(20 ng/g) for HCHs.The estimated mean daily uptake of pesticides was below the level for minimal risk to the consumers.The levels of Cd,As and Pb in most organisms from both bays were markedly elevated and above the recommended legal limits for human consumption.Our results showed the need for routine monitoring of marine species contamination to ensure public and environmental health. 关键词：海洋生物污染有机氯农药中国海洋可食用泉州湾重金属残留兴化湾重金属浓度

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Organochlorine pesticide and heavy metal residues in some edible biota collected from Quanzhou Bay and Xinghua Bay,Southeast China

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