Monitoring of organochlorine pesticides in the urban air of Dalian, China with semipermeable membrane devices

查看全文 作　　者：Xiuhua [1]Zhu;Taian [1]Shi;Bernhard [2]Henkelmann;Gerd [2]Pfister;Wei [1]Wang;Jun [1]Mu;Xiaoxiao [3]Li;Liangjun [1]Han;Karl-Werner [2,4]Schramm

机构地区：[1]School of Environmental and Chemical Engineering, Dalian Jiaotong University;[2]Helmholtz Center Munich-German Research Center for Environmental Health (GmbH), Molecular EXposomics (MEX),Ingolstdter Landstr. 1, 85764 Neuherberg, Munich, Germany;[3]Dalian Meteorological Observatory;[4]Department fr Biowissenschaften, Technische Universitt Mnchen, Weihenstephaner Steig 23, 85350 Freising, Germany

出　　处：《Chinese Science Bulletin》索引2014年第59卷第24期,共9页

基　　金：supported by the National Natural Science Foundation of China (20877011);the DAAD (German Academic Exchange Service) Scientific Research Visiting Scholarship and the National High Technology Research and Development Programs of China (2011AA060604) 摘　　要：The concentrations of 28 organochlorine pesticides(OCPs)in the urban air of Dalian,China were measured using semipermeable membrane devices(SPMDs)for the first time.Alpha-hexachlorocyclohexane(a-HCH),b-HCH,pentachlorobenzene(PentCB),hexachlorobenzene(HexCB),4,40-dichlorodiphenyltrichloroethane(4,40-DDT),4,40-dichlorodiphenyldichloroethene,endosulfan-I and endosulfan-II were the predominant OCPs in the urban air of Dalian.The concentration of OCPs sequestrated by SPMDs(CSPMD)ranged from undetected to 56,772 pg SPMD-1and had a linear correlation with the reciprocal of the average ambient atmospheric temperature(1/T).The CSPMDof PentCB and HexCB had negative correlations with T,whereas the other detected OCPs had a positive correlation.The source of HCHs,DDTs,HexCB,PentCB,chlordane,and endosulfan in the air were also evaluated.The OCPs in the urban air of Dalian could be attributed to the seasonal usage of pesticides,combustion,volatilization of aged OCPs from soil,water,plants,and long-range atmospheric transport. 关键词：有机氯农药半透膜装置空气监测城市空气二氯二苯基三氯乙烷大连中国浓度范围

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Monitoring of organochlorine pesticides in the urban air of Dalian, China with semipermeable membrane devices

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