Journal
ENVIRONMENTAL MONITORING AND ASSESSMENT
Volume 188, Issue 9, Pages -Publisher
SPRINGER
DOI: 10.1007/s10661-016-5518-6
Keywords
Polycyclic aromatic hydrocarbons; Urban green space; Soil; Concentration; Incremental lifetime cancer risks
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Funding
- Joint Construction Project of Beijing
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A comprehensive investigation of the levels, spatial distribution of polycyclic aromatic hydrocarbons (PAHs) in urban green space soils of Beijing, China, was conducted, and the potential human health risks associated with the levels observed were addressed. The objective of this study was to determine concentration, spatial distribution, and health risk of 15 PAHs in 121 surface soil (05 cm) samples collected from four types of green space, such as park green space (PGS), roadside green space (RDS), residential green space (RGS), and attached green space (AGS). Results showed that the highest concentrations of 15 PAHs was in soils of RDS, followed by RGS, PGS, andAGS. The level of PAHs pollution was seriously and mainly distributed in the central and southwest of the city. Incremental lifetime cancer risks (ILCRs) associated with exposures to PAHs in soil was calculated separately for children and adults under normal and extreme conditions. The results showed that ILCRs for urban green space soil of Beijing were low under normal conditions. But individual samples are seriously polluted, and its potential health risks cannot be ignored.
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