Distribution Characteristics and Risk Assessment of Polycyclic Aromatic Hydrocarbons in Soils of a Steel Enterprise in East China

To meet the goal of sustainable development, many large steel enterprises in China have been relocated, leaving serious polycyclic aromatic hydrocarbon (PAH) pollution problems at the abandoned sites. In this study, the spatial distribution and potential health risks of PAHs in soils of a large stee...

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Bibliographic Details
Published in:Bulletin of environmental contamination and toxicology 2021-05, Vol.106 (5), p.873-877
Main Authors: Xie, Meng, Zhang, Shouwen, Cui, Zhaojie, Cao, Xiufeng
Format: Article
Language:English
Subjects:
Aquatic Pollution
Canada
Carcinogens
China
Coking
Earth and Environmental Science
Ecotoxicology
Environment
Environmental Chemistry
Environmental Health
Environmental Monitoring
Health risks
Iron and steel plants
Pollution
Polycyclic aromatic hydrocarbons
Polycyclic Aromatic Hydrocarbons - analysis
Risk Assessment
Soil
Soil Pollutants - analysis
Soil Science & Conservation
Soils
Spatial distribution
Steel
Sustainable development
Waste Water Technology
Water Management
Water Pollution Control
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Summary:To meet the goal of sustainable development, many large steel enterprises in China have been relocated, leaving serious polycyclic aromatic hydrocarbon (PAH) pollution problems at the abandoned sites. In this study, the spatial distribution and potential health risks of PAHs in soils of a large steel enterprise in East China were studied. The total concentrations of 16 PAHs ranged from 93.96 to2.61E + 05 μg/kg. A total of 54.84% of the samples reached the level of severe pollution, with coking plants and iron works showing much more serious problems than other areas. The contribution levels of PAHs with high molecular weights were high, especially those of 4-ring PAHs. The toxic equivalent concentrations exceeded the values recommended by the Canadian guide. The average carcinogenic risk value of the whole region was greater than 10 –6 , indicating high carcinogenic risk. The above assessment indicates that the area must be remediated before further development occurs.
ISSN:0007-4861
1432-0800
DOI:10.1007/s00128-021-03193-9