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A Study for the Indoor Air Concentration of VOCs and HCHO in Newly Built and Remodeled Classrooms  

Park, Jeong Ho (Department of Environmental Engineering, Gyeongnam National University of Science and Technology)
Yang, Su Myoung (Air Quality Research Center, Gyeongnam National University of Science and Technology)
Publication Information
Journal of Korean Society of Occupational and Environmental Hygiene / v.23, no.3, 2013 , pp. 222-228 More about this Journal
Abstract
Objectives: The indoor air quality of newly-built (NC) and remodeled (RC) school classrooms was assessed. The primary aim was to show correlations between volatile organic compounds (VOCs) and formaldehyde (HCHO) pollutant levels. Methods: This study investigated the indoor air concentrations of VOCs and HCHO at 26 sites of newly built and 68 sites of remodeled classrooms located in South Gyeongsang Province between 2010 and 2012. VOCs in the indoor air were determined by adsorbent tube (Tenax TA) and automatic thermal desorption coupled with GC-MS analysis. Target analytes were five VOCs: benzene, toluene, ethylbenzene, xylene, and styrene. HCHO was collected with a 2,4-DNPH cartridge and analyzed by HPLC. Conclusions: This study estimated that indoor VOCs and HCHO concentrations in the classrooms were mainly affected by interior building materials and classroom equipment. For proper indoor air quality in schools, classroom air should be improved through reduction of hazardous materials by adequate ventilation, selecting environmental friendly materials, etc.
Keywords
newly built and remodeled classroom; indoor air; VOCs; HCHO;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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