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Characteristics of PM 2.5 -Bound Polycyclic Aromatic Hydrocarbons and Nitro-Polycyclic Aromatic Hydrocarbons at A Roadside Air Pollution Monitoring Station in Kanazawa, Japan

Author

Listed:
  • Wanli Xing

    (Graduate School of Medical Sciences, Kanazawa University, Kanazawa 920-1192, Japan)

  • Lulu Zhang

    (Graduate School of Medical Sciences, Kanazawa University, Kanazawa 920-1192, Japan)

  • Lu Yang

    (Graduate School of Medical Sciences, Kanazawa University, Kanazawa 920-1192, Japan)

  • Quanyu Zhou

    (Graduate School of Medical Sciences, Kanazawa University, Kanazawa 920-1192, Japan)

  • Xuan Zhang

    (Graduate School of Medical Sciences, Kanazawa University, Kanazawa 920-1192, Japan)

  • Akira Toriba

    (Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Kanazawa 920-1192, Japan)

  • Kazuichi Hayakawa

    (Institute of Nature and Environmental Technology, Kanazawa University, Kanazawa 920-1192, Japan)

  • Ning Tang

    (Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Kanazawa 920-1192, Japan
    Institute of Nature and Environmental Technology, Kanazawa University, Kanazawa 920-1192, Japan)

Abstract

Polycyclic aromatic hydrocarbons (PAHs) and nitro-PAHs (NPAHs) in PM 2.5 samples were collected at a roadside monitoring station in Kanazawa, Japan, in every season from 2017 to 2018. Nine PAHs and five NPAHs were determined using high-performance liquid chromatography with fluorescence detection and chemiluminescence detection, respectively. The mean concentrations of PAHs and NPAHs were highest in winter and lowest in summer. Fluoranthene and pyrene were the dominant PAHs and 1-nitropyrene was the dominant NPAH in all seasons, and these compounds were mainly emitted by diesel vehicles. The concentration ratio of benzo( a )pyrene (BaP) to benzo( ghi )perylene (BgPe) ((BaP)/(BgPe)) and of indeno(1,2,3- cd )pyrene (IDP) to the sum of IDP and benzo( ghi )perylene (BgPe) ((IDP)/((IDP)+(BgPe0) might still be useful indicators for identifying traffic emission sources today. Moreover, our results showed that the carcinogenic risk in all seasons was below the acceptable limit set by the WHO.

Suggested Citation

  • Wanli Xing & Lulu Zhang & Lu Yang & Quanyu Zhou & Xuan Zhang & Akira Toriba & Kazuichi Hayakawa & Ning Tang, 2020. "Characteristics of PM 2.5 -Bound Polycyclic Aromatic Hydrocarbons and Nitro-Polycyclic Aromatic Hydrocarbons at A Roadside Air Pollution Monitoring Station in Kanazawa, Japan," IJERPH, MDPI, vol. 17(3), pages 1-11, January.
    • Handle: RePEc:gam:jijerp:v:17:y:2020:i:3:p:805-:d:313701
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    Citations

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    Cited by:

    1. Hao Zhang & Xuan Zhang & Yan Wang & Pengchu Bai & Kazuichi Hayakawa & Lulu Zhang & Ning Tang, 2022. "Characteristics and Influencing Factors of Polycyclic Aromatic Hydrocarbons Emitted from Open Burning and Stove Burning of Biomass: A Brief Review," IJERPH, MDPI, vol. 19(7), pages 1-17, March.
    2. Lu Yang & Lulu Zhang & Hao Zhang & Quanyu Zhou & Xuan Zhang & Wanli Xing & Akinori Takami & Kei Sato & Atsushi Shimizu & Ayako Yoshino & Naoki Kaneyasu & Atsushi Matsuki & Kazuichi Hayakawa & Akira To, 2020. "Comparative Analysis of PM 2.5 -Bound Polycyclic Aromatic Hydrocarbons (PAHs), Nitro-PAHs (NPAHs), and Water-Soluble Inorganic Ions (WSIIs) at Two Background Sites in Japan," IJERPH, MDPI, vol. 17(21), pages 1-16, November.

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