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Assessment of Indoor Air Quality of Classroom in School by Means of Source Generation - Case Study
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 Title & Authors
Assessment of Indoor Air Quality of Classroom in School by Means of Source Generation - Case Study
Yang Won-Ho; Byeon Jae-Cheol; Kim Young-Hee; Kim Dae-Won; Son Bu-Soon; Lee Jung-Eun;
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Indoor air quality has been addressed as an important atmospheric environmental issue and has caught attention of the public in recent years in Korea. Good indoor air quality in classrooms favour student's learning ability, teacher and staff's productivity according to other studies. In this study, each classroom at four different schools was chosen for comparison of indoor and outdoor air quality by means of source generation types such as new constructed classroom, using of cleaning agents and purchased furniture. Temperature, relative humidity (RH), carbon dioxide , formaldehyde (HCHO), total volatile organic compounds (TVOCs) and particulate matter with diameter less than were monitored at indoor and outdoor locations during lesson. HCHO was found to be the worst among parameters measured in new constructed classroom, HCHO and TVOCs was worst in classroom with new purchased furniture, and TVOCs was worst in classroom cleaned by cleaning agents, Indoor concentrations often exceeded 1500 ppm indicating importance of ventilation. Active activity of students during break time made the concentration higher than a lesson, Improvements and further researches should be carried out considering indoor air quality at schools is of special concern since children and students are susceptible to poor air quality.
Classroom air quality;Carbon dioxide;Formaldehyde;Total volatile organic compounds;
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