2011•Anhui nongye kexueRequires access
Characterization of Polynuclear Aromatic Hydrocarbons(PAHs) Pollution in Soils from Bainyin City
Peng Xiao-chun
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Abstract
The characterizations of polynuclear aromatic hydrocarbons(PAHs) pollution in soils from Bainyin City were investigated.A total of 23 soil samples were collected from the sites representative of the region for the analysis of the contents of 16 PAHs listed in US EPA priority pollutant list.The results showed that the total concentrations of PAHs in soil samples were ranged from 64.96 to 3 043.86 ng/g.52.2%,13.0% and 21.7% soil samples were in slight,moderate and heavy level of PAHs pollution,respectively.The average degree of PAHs occurred in various soils followed the sequence: sediment samples urban area industrial area sewage irrigation area.The contents of PAHs with four and over four aromatic rings were predominant in the soil samples.Coal,wood and fossil fuels combustion were the dominant sources of PAHs in the study areas with the source apportionment.