Status, distribution, source, and risk of polychlorinated biphenyl levels in soils of five cities from the Hexi Corridor, Northwest China

Jia, Zhanrong; Yuan, Longmiao; Jiang, Yufeng; He, Rui chun; Ding, Wenxuan

doi:10.1007/s10661-022-10891-2

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Cited by 3 publications

References 33 publications

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Occurrence and Toxicity of Organic Microcontaminants in Agricultural Perspective: An Overview

Gosai,

Jadeja,

Sharma

et al. 2024

Organic Micropollutants in Aquatic and Terrestrial Environments

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Occurrence and Toxicity of Organic Microcontaminants in Agricultural Perspective: An Overview

Gosai,

Jadeja,

Sharma

et al. 2024

Organic Micropollutants in Aquatic and Terrestrial Environments

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Organochlorine pesticides and polychlorinated biphenyls in sediments of the Lanzhou reach of Yellow River (China): Spatial distribution, sources and risk assessment

Yuan,

Wu,

Shi

et al. 2024

Marine Pollution Bulletin

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Pollution status, distribution, source analysis, and risk assessment of OCPs in soil from the Hexi Corridor in Northwest China

He,

Yuan,

Jiang

et al. 2023

J Environ Expo Assess

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Since OCPs with different historical usage and atmospheric input may show varied environmental behaviors and risks to the local residents and relevant research on underdeveloped areas in the middle latitudes of China is lacking, it is essential to classify the contamination status and sources of OCPs from these middle latitudes areas and to evaluate the related health risks to humans. Fifty soil samples were collected and analyzed within five cities in the Hexi Corridor in Northwest China. The ranges of ∑24OCPs, ∑DDTs, and ∑HCHs concentrations in the soil samples were 23.1-393 ng/g, 4.96-167 ng/g, and 3.40-97.5 ng/g, respectively. The residual OCPs in soil were dominated by DDTs and HCHs, accounting for 38.7% and 16.1% of ∑24OCPs. Source analysis shows that the HCHs come from historical application and possible recent pesticide use, and DDTs are mainly from early application residues that formed in aerobic environments created by agriculture ploughing, which aerates the soil. The risk assessment showed that the soil in the Hexi Corridor may have a potential risk of residual OCPs, and the carcinogenic risk (CR) was 1.90 × 10-7-6.12 × 10-7 for adults and 5.6 × 10-7-1.8 × 10-6 for children, but the hazardous index (HI) was 0.0093 to 0.2817 for adults and 0.032 to 0.932 for children. Only a few samples showed values higher than the acceptable range for children. Therefore, in this study area, there is a low health risk to local residents. Nevertheless, our results provide a strong rationale for ongoing risk assessment and management and, hopefully, eradication of OCPs in the environment.

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Status, distribution, source, and risk of polychlorinated biphenyl levels in soils of five cities from the Hexi Corridor, Northwest China

Cited by 3 publications

References 33 publications

Occurrence and Toxicity of Organic Microcontaminants in Agricultural Perspective: An Overview

Occurrence and Toxicity of Organic Microcontaminants in Agricultural Perspective: An Overview

Organochlorine pesticides and polychlorinated biphenyls in sediments of the Lanzhou reach of Yellow River (China): Spatial distribution, sources and risk assessment

Pollution status, distribution, source analysis, and risk assessment of OCPs in soil from the Hexi Corridor in Northwest China

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