The Content of Selected Heavy Metals and Polycyclic Aromatic Hydrocarbons (PAHs) in PM<sub>10</sub> in Urban-Industrial Area
2020
Natalia Zioła | Krzysztof Słaby
This research concerns the measurement of daily PM<sub>10</sub> concentrations and the assessment of heavy metals and polycyclic aromatic hydrocarbons (PAHs). The measurements were carried out in the urban-industrial area in southern Poland in the period from February to December 2019 (covering heating and non-heating seasons). The metal content of As, Cd, Pb, Ni, Co, Cr, Cu, Zn, V, was estimated using mass spectrometry with inductively excited plasma (ICP-MS), and that of Au and Mg using atomic emission spectrometry with induced plasma (ICP-OES). Analysis of selected PAHs (Naph, Acy, Ace, Fl, Phen, An, Fluo, Pyr, BaA, Chry, BbF, BkF, BaP, IcdP, DahA, BghiP) was performed using a gas chromatograph coupled with mass spectrometry (GC-MS). The share of the analyzed metals in PM<sub>10</sub> concentrations was ~ 1.37% in the entire measurement period, ~ 1.09% in the heating season and ~ 1.55% in the non-heating one. High concentrations of aluminum and chromium, observed over the measurement period, indicate the presence of strong anthropogenic sources of both metals. In the case of PAHs in PM<sub>10</sub>, the average total share of the analyzed was ~ 1.25%, while this share slightly increased in the heating season (average: ~ 2.19%) compared to non-heating (average: ~ 0.63%).
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