Levels of polycyclic aromatic hydrocarbons in Canadian mountain air and soil are controlled by proximity to roads.

Abstract

Concentrations of polycyclic aromatic hydrocarbons (PAHs) were measured in soil and XAD-based passive air samples taken from a total of 22 sites along three transects (Revelstoke, Yoho, and Observation, 6-8 sites for each transect) in the mountains of Western Canada in 2003-2004. Median concentrations in air (4-ring PAHs: 33 pg/m(3)) were very low and… (More)
DOI: 10.1016/j.envpol.2009.05.032

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