International Journal of Safety

The Korean Society of Safety (한국안전학회)
권호 표지

Environmental Distribution of Air Pollutants and Environmental Risk Assessment in Regional Scale

  • Matsumoto, Fumio (Research Institute for Environmental Sciences and Public Health of Iwate Prefecture) ;
  • Saito, Mitsugu (Research Institute for Environmental Sciences and Public Health of Iwate Prefecture) ;
  • Otsuka, Naohiro (Research Institute for Environmental Sciences and Public Health of Iwate Prefecture)
  • Received : 2010.02.26
  • Accepted : 2010.05.27
  • Published : 2010.06.30
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Abstract

We measured the concentrations of air pollutants at several residential sites, roadside sites and industrial sites in Iwate Prefecture, Japan. And the concentration distributions of air pollutants were estimated by atmospheric dispersion model using air emissions data. Based on those results, we calculated environmental risk of air pollutants emitted in Iwate Prefecture. As a result, it was found that the surround of factories with high emissions and highly toxic chemicals and the roadsides were high risk area, benzo(a)pyrene, formaldehyde and ozone exceeded the $10^{-5}$ risk level. Moreover, we tried to use "Loss of life expectancy: LLE" for an index to explain those risk to general public intelligibly. The total LLE of the carcinogenic chemicals was about 8.6 hours. Moreover, LLE of ozone was about 9.2 hours. Ozone has a big influence compared with the carcinogenic chemicals.

Keywords

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