ArticleEnvironmental geochemistry and health2026
Linking magnetic susceptibility with polycyclic aromatic hydrocarbon concentrations in urban road dust: a proxy-based approach for contamination monitoring.
Article in Environmental geochemistry and health, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
This study evaluated 57 road dust samples collected in Warsaw, Poland, focusing solely on the < 0.2 mm grain size fraction for the analysis of polycyclic aromatic hydrocarbons (PAHs). The total PAH concentration (∑16PAH) ranged from < LOQ to 12.0 mg/kg (mean = 3.56 mg/kg), with the highest levels observed in areas with dense traffic and limited dispersion of contamination. Acenaphthene (Ace), fluorene (Flu), and phenanthrene (Phe) were the most abundant compounds, while high-molecular-weight PAHs constituted approximately 55.2% of the total PAHs. Diagnostic isomer ratios (e.g., IP/(IP + BghiP)) consistently indicated mainly pyrogenic origins. Magnetic susceptibility (χ), normalized for the proportion of fine particles (χ
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