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Summertime Characteristics of Atmospheric Polycyclic Aromatic Hydrocarbons in a Coastal City of Northern Poland

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  • Patrycja Siudek

    (Institute of Meteorology and Water Management—National Research Institute, Waszyngtona 42, 81-342 Gdynia, Poland)

Abstract

Parent polycyclic aromatic hydrocarbons (PAHs) in the gas and particle fraction were measured between May and August 2021 at a coastal urban site in Poland, to examine their chemical characteristics, distribution, sources, deposition fluxes and interactions with basic meteorological drivers. The mean concentration of PAHs in the gas phase was significantly higher (26.26 ± 15.83 ng m −3 ) than levels measured in the particle phase (1.77 ± 1.26 ng m −3 ). The highest concentration in the gas phase was found for phenanthrene (Phe), followed by fluoranthene (Flt), acenaphthene (Ace) and naphthalene (Naph). The contribution from each group of PAHs to the total particulate phase accounted for 50%, 25%, 14% and 12% for 3-, 4-, 5- and 6-ring compounds, respectively. The mean ΣPAH deposition flux was 59 ± 24 ng m −2 day −1 . During the whole field campaign, the efficient removal of PM-bound PAHs was typically observed after precipitation events. Based on statistical analysis, it was found that 4-ring PAHs were less effectively removed (25%) by daily precipitation as compared to 5- and 6-ring components, whose fluxes decreased by 32% and 53%, respectively. This study revealed local urban sources such as vehicular emissions, coal-fired power plants, shipping activities, docks/ports infrastructure and municipal solid waste recycling units as predominant contributors to PM-bound and gas-phase PAHs.

Suggested Citation

  • Patrycja Siudek, 2023. "Summertime Characteristics of Atmospheric Polycyclic Aromatic Hydrocarbons in a Coastal City of Northern Poland," IJERPH, MDPI, vol. 20(5), pages 1-11, March.
    • Handle: RePEc:gam:jijerp:v:20:y:2023:i:5:p:4475-:d:1085999
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    References listed on IDEAS

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    1. Ivana Jakovljević & Zdravka Sever Štrukil & Ranka Godec & Ivan Bešlić & Silvije Davila & Mario Lovrić & Gordana Pehnec, 2020. "Pollution Sources and Carcinogenic Risk of PAHs in PM 1 Particle Fraction in an Urban Area," IJERPH, MDPI, vol. 17(24), pages 1-21, December.
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