Journal of Korean Society of Occupational and Environmental Hygiene (한국산업보건학회지)

Korean Industrial Hygiene Association (한국산업보건학회)
권호 표지

Contribution of Workplace and House Indoors for Personal Nitrogen Dioxide Exposure in Office Workers According to Season

계절에 따른 사무실 근로자의 이산화질소 노출에 대한 직장 및 주택실내 기여도

  • Yang, Wonho (Department of Occupational Health, Catholic University of Daegu) ;
  • Kim, Dongkeon (Department of Occupational Health, Catholic University of Daegu) ;
  • Hong, Gayeon (Department of Occupational Health, Catholic University of Daegu) ;
  • Kim, Sunshin (Department of Occupational Health, Catholic University of Daegu) ;
  • Ahn, Hogi (Department of Occupational Health, Catholic University of Daegu)
  • 양원호 (대구가톨릭대학교 산업보건학과) ;
  • 김동건 (대구가톨릭대학교 산업보건학과) ;
  • 홍가연 (대구가톨릭대학교 산업보건학과) ;
  • 김순신 (대구가톨릭대학교 산업보건학과) ;
  • 안호기 (대구가톨릭대학교 산업보건학과)
  • Published : 2012.06.30
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Abstract

People are exposed to air pollution from a range of indoor and outdoor sources. Concentration of nitrogen dioxide $(NO_2)$, which is hazardous to health, can be significant in both types of environment. This paper reports on the measurement and analysis of indoor and outdoor $NO_2$ concentrations and their comparison with measured personal exposure in house and workplace indoors with 28 office workers during winter and summer seasons. Time activity patterns were used to determine the effects of these factors on personal exposure. The residential indoor and office indoor times were $12.29{\pm}1.58,$ $7.86{\pm}1.97$ hours in winter and $11.04{\pm}2.18,$ $8.26{\pm}2.04$ hours in summer, respectively. Measured residential indoor, outdoor and office indoor, personal exposure $NO_2$ concentrations were $23.10{\pm}8.46$ ppb, $23.97{\pm}6.86$ ppb, $21.91{\pm}11.50$ ppb, $22.08{\pm}8.64$ ppb in winter, and $19.94{\pm}6.04$ ppb, $21.21{\pm}6.84{\pm}$ ppb, $22.55{\pm}9.54$ ppb, $27.45{\pm}8.96$ ppb in summer, respectively. Contributions of residential and office indoor $NO_2$ concentration on personal exposure were estimated by 57.98%, 35.62% in winter and 37.38%, 28.97% in summer, respectively.

Keywords

References

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