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Profile of Organochlorine Pesticides in Soil Cores from Some Hotspot Areas of Beijing, China
Cheng, Hang-Xin; Li, Xing-Hong; Wang, Ya-Ping; Zhao, Chuan-Dong; Liu, Ying-Han; Chen, Hong-Han; Xu, Xiao-Bai
2011-08-01
Source PublicationBULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY
Volume87Issue:2Pages:175—179
AbstractFor the valid use of urban land and the safety of public health, an extensive contamination survey of organochlorine pesticides from five soil cores was conducted in the highly urbanized areas of Beijing in China. For topsoils in five soil cores, level of aHCHs and aDDTs varied from 0.174 to 4,783 ng g(-1) and 0.62 to 57,849 ng g(-1), respectively. The profile in topsoil of cores displayed that levels of pollutants in four soil cores from the urban areas with dense population are higher than that from outskirts. The depth characteristics of pollutants indicated that the level of aHCHs and aDDTs in BY and WU was close to/below the background value of soil in China (50 ng g(-1)), but those in some soil samples from A, B and ZX core, especially A and B, was above the threshold value for the soil safety (1,000 ng g(-1)). In views of the usage history of the land and profiles of contaminants, the source in A and B probably came from the dumped waste chemical materials in the old chemical factories. The study of soil cores sampled revealed the existence of chemical "time bomb" in urban regions of Beijing. Also, the finding indicated the absolute necessity of assessing the soil quality with the unprecedented land use changes in the big city community.
Department环境化学与生态毒理学国家重点实验室
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Document Type期刊论文
Identifierhttps://ir.rcees.ac.cn/handle/311016/7018
Collection环境化学与生态毒理学国家重点实验室
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GB/T 7714
Cheng, Hang-Xin,Li, Xing-Hong,Wang, Ya-Ping,et al. Profile of Organochlorine Pesticides in Soil Cores from Some Hotspot Areas of Beijing, China[J]. BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY,2011,87(2):175—179.
APA Cheng, Hang-Xin.,Li, Xing-Hong.,Wang, Ya-Ping.,Zhao, Chuan-Dong.,Liu, Ying-Han.,...&Xu, Xiao-Bai.(2011).Profile of Organochlorine Pesticides in Soil Cores from Some Hotspot Areas of Beijing, China.BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY,87(2),175—179.
MLA Cheng, Hang-Xin,et al."Profile of Organochlorine Pesticides in Soil Cores from Some Hotspot Areas of Beijing, China".BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 87.2(2011):175—179.
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