多環芳香族炭化水素および変異原性から見た屋根流出雨水水質の流出特性  [in Japanese] Runoff Characteristics of the Water Quality of Roof Runoff from the Viewpoint of Polycyclic Aromatic Hydrocarbons and Mutagenicity  [in Japanese]

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Author(s)

    • 奥川 光治 OKUGAWA Koji
    • 富山県立大学短期大学部環境工学科 Department of Environmental Technology, College of Technology, Toyama Prefectural University

Abstract

The water quality of roof runoff was investigated. The runoff characteristics of mutagenicity and polycyclic aromatic hydrocarbons (PAHs) with two to five rings were elucidated. The following results were obtained: (1) The runoff of roof deposits depended on their state and rain conditions. (2) The changes in concentration of particulate PAHs corresponded with those of suspended solids, whereas the concentrations of the soluble PAHs decreased with time because of the decrease in the rainwater concentration and the amount of detentions. (3) When the molecular weight of PAH was higher, the ratio of soluble PAH to total PAH became smaller because of the lower water solubility. (4) The partition to particulate phase was observed to be ten- to a thousand-times larger than that in the equilibrium state. (5) The major components of the particulate PAHs were four- to five-ring PAHs, while those of soluble PAHs were two- to three-ring PAHs. (6) The PAHs concentrations and mutagenicities showed a tendency to change similarly in most cases. This suggested that one of the main causes for mutagenicities was a combined effect of PAHs and their derivatives.

Journal

  • Journal of Japan Society on Water Environment

    Journal of Japan Society on Water Environment 25(1), 57-64, 2002-01-10

    Japan Society on Water Environment

References:  21

Codes

  • NII Article ID (NAID)
    10008006395
  • NII NACSIS-CAT ID (NCID)
    AN10372439
  • Text Lang
    JPN
  • Article Type
    NOT
  • ISSN
    09168958
  • NDL Article ID
    6042393
  • NDL Source Classification
    ZN5(科学技術--建設工学・建設業--都市工学・衛生工学)
  • NDL Call No.
    Z16-1045
  • Data Source
    CJP  NDL  J-STAGE 
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