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A GIS-based national emission inventory of major VOCs and risk assessment modeling: Part II — quantitative verification and risk assessment using an air dispersion model

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Abstract

We compiled contour maps of the concentrations of major volatile organic compounds (VOCs) and corresponding chronic inhalation and carcinogenic risks in South Korea for the year 2004. We used the CALPUFF modeling system, an atmospheric dispersion model, to calculate the concentrations of five species of VOCs (benzene, ethylbenzene, styrene, toluene, and xylene). This modeling approach was used to validate the emission rates estimated in Part I of this study. The predicted concentrations show good overall agreement with the observed concentrations. In terms of risk assessment, we studied the chronic and carcinogenic effects on human health based on toxicity data and predicted concentrations of VOCs in ambient air. Risk levels were influenced by regional characteristics and spatial emission patterns. The results of such risk assessments could be used in support of air quality management in South Korea.

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Authors and Affiliations

  1. 311-dong, 416-ho, Chemical & Biological Engineering, Seoul National University, San 56-1, Sillim-9-dong, Gwanak-gu, Seoul, 151-742, Korea

    Byoung Kyu Kwak, Jong Ho Kim & Jongheop Yi

  2. TO21, Lotte Tower 402-Ho, Sindaebang 2-dong, Dongjak-gu, Seoul, 156-711, Korea

    Hyeon-Soo Park & Nam Gyu Kim

  3. National Institute of Environmental Research, Environment Research Complex, Gyeongseo-dong, Seo-gu, Incheon, 404-170, Korea

    Kyunghee Choi

Authors
  1. Byoung Kyu Kwak
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  2. Jong Ho Kim
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  3. Hyeon-Soo Park
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  4. Nam Gyu Kim
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  5. Kyunghee Choi
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  6. Jongheop Yi
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Correspondence to Jongheop Yi.

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Kwak, B.K., Kim, J.H., Park, HS. et al. A GIS-based national emission inventory of major VOCs and risk assessment modeling: Part II — quantitative verification and risk assessment using an air dispersion model. Korean J. Chem. Eng. 27, 121–128 (2010). https://doi.org/10.1007/s11814-009-0306-4

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  • DOI: https://doi.org/10.1007/s11814-009-0306-4

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