Journal
BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY
Volume 85, Issue 2, Pages 190-194Publisher
SPRINGER
DOI: 10.1007/s00128-010-0083-0
Keywords
Soil; PAH; Spatial distribution; Sources
Categories
Funding
- National Natural Science Foundation of China [20807053]
- Ministry of Science and Technology, China [2007 CB407301]
- Chinese Academy of Sciences [KZCX1-YW-06-03]
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The present study characterized the distribution, sources as well as carcinogenic potency of PAHs in surface soil from metropolitan region of northern China. The total PAHs in topsoil ranged from 322.6 to 23244.7 mu g kg(-1). The mean and median concentrations of 16 PAHs were 1040.8 and 626.7 mu g kg(-1), respectively. Source analysis revealed that pyrogenic sources played a major role at the locations and pyrogenic PAHs were mainly from incomplete combustion of coal, biomass and petroleum. The calculated mean BaP-equivalent values for individual carcinogenic PAHs were 148.4 mu g kg(-1).
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