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Assessment of 20 Organochlorine Pesticides (OCPs) Pollution in Suburban Soil in Tianjin, China

Assessment of 20 Organochlorine Pesticides (OCPs) Pollution in Suburban Soil in Tianjin, China

Jungang Lv, Rongguang Shi, Yanming Cai, Yong Liu, Zhaohong Wang, Jimin Feng, Meng Zhao

Bull Environ Contam Toxicol. 2010 Aug;85(2):137-41.

PMID: 20571759

Abstract:

Soil contamination with organochlorine pesticides has aroused worldwide concerns considering their high toxicities and long-term persistence. In this study, 87 representative soil samples from suburban areas (Xiqing, Dongli, Jinnan, Beichen) of Tianjin, the third biggest city in China, were collected to evaluate the pollution of 20 organochlorine pesticides. Surface soil samples were air-dried and sieved. Ultrasonic extraction was used for organochlorine pesticides preparation prior to analysis with gas chromatography-mass spectrometry. It was revealed that p,p'-DDE, p,p'-DDD, o,p'-DDT, o,p'-DDD, hexachlorobenzene, dicofol and beta-HCH were seven pesticides detected most frequently. DDTs, HCHs and hexachlorobenzene were the predominant pesticide pollutants in soil. Spatial variation of these organochlorine pesticides in soil was illustrated; Pollution levels, characteristics and possible sources were also investigated. Most of other 13 kinds of pesticides were detected and the frequencies of detection were calculated to reveal the pollution status, which ranged from 0.0% (aldrin, dieldrin and endrin) to 34.5% (p,p'-DDT). These data were helpful to figure out the pollution of organochlorine pesticides and could be further used to evaluate the health risk associated with soil pollution.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AS2121237	Chlorinated Pesticides in Soil			Price

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