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KMID : 1024519970060060637
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Journal of the Environmental Sciences
1997 Volume.6 No. 6 p.637 ~ p.644
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Influence on the Indoor Air Quality by Ambient Air during the Summer Season
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Lee Hak-Sung
Kang Byung-Wook
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Abstract
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The purpose of thins study was to quantitatively determine the Indoor Infiltration of pollutants of outdoor origin. The relationship between Indoor and outdoor air is dependent, to a large extent. on the rate of k exchange between these two environments. Mean Indoor/outdoor ratios measured from thins study were: 0.70 for HNO3; 1.60 for HNO2: 0.56 far SOg: 1.30 for mf3: 0.96 for PM2.5(dP<2.5mm: 0.89 for SO4a’: 0.87 for NO3· and 0.79 for NH4 ’Mean Indoor concentrations for PMa s, SO4a., HNO9, NO3 and NIL’ were similar to outdoor levels. Indoor HNO2 and mB3 values were h19her than outdoors. However, the Indoor level of SO2 was lower than ambient level.
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KEYWORD
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Relationship between indoor and outdoor air, acidic gases and aerosols
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