Restricted accessResearch articleFirst published online 2012-07
Concentrations and Profiles of Polychlorinated Dibenzo-p-Dioxins and Dibenzofurans in Air and Soil Samples in the Proximity of a Municipal Solid Waste Incinerator Plant
This study investigated the influence of polychlorinated dibenzo-p-dioxins and dibenzofurans (PCDD/Fs) in the waste gas from an incinerator on the surrounding environment. A series of air and soil samples were collected at distances from 1.35 to 4.72 km from a typical municipal solid waste incineration plant along the prevailing north wind direction. Concentrations of PCDD/Fs in the ambient air samples ranged from 0.23 to 1.66 pg I-toxic equivalent (TEQ)/m3, with an average of 0.82 pg I-TEQ/m3; while concentrations in the soil samples varied from 0.54 to 1.96 pg I-TEQ/g, with an average of 1.33 pg I-TEQ/g. Principal component analysis and hierarchical cluster analysis showed that the municipal solid waste incinerator has a potential influence on the environmental level of PCDD/Fs, and that emissions from traffic also play an important role.
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