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안상영(Sang-Young An),김모근(Mo-Geun Kim),김옥순(Ouk-Soon Kim),이용직(Yong-Jig Lee),나채근(Chae-Geun Na),이춘우(Choon-Woo Lee),박재형(Jae-Hyung Park) 한국실내환경학회 2006 한국실내환경학회지 Vol.3 No.4
This study was performed to investigate the characteristics of indoor air quality (IAQ) in elementary and middle schools in Gyeongbuk area from July to November 2006 . The measurements of indoor air pollutants were made to cover such components as PM-10, CO₂, CO, NO₂, O₃, HCHO, TVOC, TBC, and Radon from school classrooms. The results of this study can be summarized as follows: all of them were less than IAQ standards of Korea. The mean concentration were measured by 43.0 ㎍/㎥ (PM-10), 745 ppm (CO₂), 56.1 ㎍/㎥ (HCHO), 350 CFU/㎥ (TBC), 0.026 ppm (O₃), 0.6 ppm (CO), and 59.2 ㎍/㎥ (TVOC). Radon was not detected in all surveyed classrooms. The I/O ratio of PM-10 was 0.8∼1.4, while that for HCHO was 5.7∼9.0. Therefore, it was concluded that the indoor pollution of formaldehyde was very serious in classroom.