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이산화질소의 농도에 따른 흡연자와 비흡연자간의 개인노출평가
권은경 ( Eun Kyoung Kwon ),양원호 ( Won Ho Yang ),정준호 ( Jun Ho Jung ),윤성옥 ( Sung Uk Youn ),명선 ( Seon Myung ),임성국 ( Sung Guk Im ) 대구가톨릭대학교 자연과학연구소 2008 자연과학연구논문집 Vol.6 No.1
Indoor air quality can be affected by indoor sources, ventiliation, decay, and outdoor levels. Various indoor and outdoor combustion sources make nitrogen dioxide(NO2), which is a by-product of high temperature fossil fuel combustion. Especially, the smoking has been identified as one of the major factors contributing to personal NO2 exposures. In this study, we assessed the personal exposure to NO2 with measurements of indoor and outdoor NO2 levels in residence, workplace NO2 levels, house characteristics, and questionnaire, comparing the smoker with non-smoker Personal exposure concentrations were significantly correlated with NO2 concentrations of workplace in both smoker and non-smoker with correlation coefficients of 0.981 and 0.988, respectively. According to -t-test analysis, personal NO2 levels of smoker higher than personal NO2 levels of smoker higher than personal NO2 levels of non-smoker in the same workplace(p=0.002). Therefore, it is suggested that smoking should be considered to reduce the personal exposure to air pollutants.