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Analysis of Size-resolved Indoor and Outdoor Particle Sources to Indoor Particles in a Child-care Center
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 Title & Authors
Analysis of Size-resolved Indoor and Outdoor Particle Sources to Indoor Particles in a Child-care Center
Park, Seong-Jun; Kim, Ji-Hye; Joe, Goo-Sang; Yeo, Myoung-Souk; Kim, Kwang-Woo;
The particle is one of the major air pollutants, and many studies have reported that particles may cause the cardiovascular and respiratory diseases. Indoor particles have different sources, chemical composition, and biological effects according to particle size. Especially, infants and children who seem to be most vulnerable to the air pollutants spend most times in a Child-care center. Therefore, It is necessary to investigate the particle sources to control indoor particles in a Child-care center. The aim of this study is to identity size-resolved particle sources of indoor and outdoor to indoors in a Child-care center. Indoor and outdoor particle number concentrations were measured simultaneously for five days by using Optical Particle Counter while every indoor activity is documented. The results show that fine particles(, , ) have a strong relationship with outdoor particle concentration, on the other hand, coarse particles(, , ) have a strong relationship with indoor source. In other words the major source of indoor fine particles from outdoor and coarse particles from indoor.
Indoor Air Quality;Particle;Source Correlation;Child-care Center;
 Cited by
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