Influence of secondary formation on atmospheric occurrences of oxygenated polycyclic aromatic hydrocarbons in airborne particles

Yuki Kojima, Koji Inazu, Yoshiharu Hisamatsu, Hiroshi Okochi, Toshihide Baba, Toshio Nagoya

    Research output: Contribution to journalArticle

    38 Citations (Scopus)

    Abstract

    Temporal and spatial variations in concentrations of particle-associated polycyclic aromatic hydrocarbons (PAHs) and their nitrated and oxygenated derivatives (nitro-PAHs and oxy-PAHs) were investigated to assess the influence of secondary formation on atmospheric occurrences of oxy-PAHs associated with particulate matter in downtown Tokyo, Japan. The daily variation in concentration of 1,8-naphthalic anhydride (1,8-NA) in summer 2007 was similar to that for 2-nitrofluoranthene (2-NF), a representative secondary formed nitro-PAH, while the variation for benzanthrone (BA) was similar to PAHs. In addition, the concentrations of polycyclic aromatic compounds (PACs) associated with airborne particulate matter decreased in the order of PAHs > BA > 9-fluorenone (9-FO) or 9,10-anthraquinone (9,10-AQ) > 1,8-NA with an increase in distance from the roadside, whereas 2-NF was constant. These results suggest that a considerable fraction of some oxy-PAHs such as 1,8-NA associated with airborne particulate matter in downtown Tokyo originates from atmospheric secondary formation.

    Original languageEnglish
    Pages (from-to)2873-2880
    Number of pages8
    JournalAtmospheric Environment
    Volume44
    Issue number24
    DOIs
    Publication statusPublished - 2010 Aug

    Fingerprint

    PAH
    particulate matter
    particle
    diurnal variation
    temporal variation
    spatial variation
    summer

    Keywords

    • Airborne particles
    • Nitro-PAHs
    • Oxy-PAHs
    • PAHs
    • Tokyo

    ASJC Scopus subject areas

    • Atmospheric Science
    • Environmental Science(all)

    Cite this

    Influence of secondary formation on atmospheric occurrences of oxygenated polycyclic aromatic hydrocarbons in airborne particles. / Kojima, Yuki; Inazu, Koji; Hisamatsu, Yoshiharu; Okochi, Hiroshi; Baba, Toshihide; Nagoya, Toshio.

    In: Atmospheric Environment, Vol. 44, No. 24, 08.2010, p. 2873-2880.

    Research output: Contribution to journalArticle

    Kojima, Yuki ; Inazu, Koji ; Hisamatsu, Yoshiharu ; Okochi, Hiroshi ; Baba, Toshihide ; Nagoya, Toshio. / Influence of secondary formation on atmospheric occurrences of oxygenated polycyclic aromatic hydrocarbons in airborne particles. In: Atmospheric Environment. 2010 ; Vol. 44, No. 24. pp. 2873-2880.
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