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Health risk assessment by CRPS and the numerical model for toluene in residential buildings

  • Choi, Haneul (Dept. of Architectural Engineering, Yonsei Univ.) ;
  • Kim, Hyungkeun (Dept. of Architectural Engineering, Yonsei Univ.) ;
  • Kim, Taeyeon (Dept. of Architectural Engineering, Yonsei Univ.)
  • 투고 : 2017.09.06
  • 심사 : 2017.10.16
  • 발행 : 2017.10.31

초록

Purpose: Indoor air quality in residential buildings needs to be evaluated over the long term. In previous research, there has been an attempt to perform the health risk assessment of pollutants by using numerical models as a method of long-term evaluation. However, the numerical model of this precedent study has limitations that do not reflect the actual concentration distribution. Therefore, this study introduces the CRPS index, constructs a numerical model that can reflect the concentration distribution, and then presents a more accurate health risk assessment method using it. At this time, the pollutants are toluene, which is a typical material released from building materials. Method: CRPS index was applied to existing numerical model to reflect concentration distribution. This was used to calculate concentrations at adult breathing area and to use them for exposure assessment in a health risk assessment. After that, we entered adult data and conducted a health risk assessment of toluene. Results: The non-carcinogenic risk of toluene was calculated to be 0.0060. This is 5% smaller than the existing numerical model, meaning that it is more accurate to predict the pollutant risks. This value is also lower than the US EPA reference value of 1. Therefore, under the conditions of this study, long-term exposure of adults to toluene has no impact on health.

키워드

참고문헌

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