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노선진(Sun-Jin Noh),정경식(Kyung-Sick Jung),서승표(Seung-Pyo Seo),손부순(Bu-Soon Son),이종화(Jong-Wha Lee),이치원(Che-Won Lee) 대한환경위생공학회 2006 대한환경위생공학회지 Vol.21 No.1
This study is measured in at ozone concentrated places in school and outside of school where places that use copy machine and the others do not use one. Library copy room, Search room, Y-copy, J-copy, R-shop are the places using copy machines and Search room, K-apt, J-billiard hall are the opposite. The measurement was held three times a day-the morning, the afternoon and the evening-once for each at indoor and outdoor. 8 places were lower than domestic ozone concentration standard(0.06ppm). The indoor ozone concentration average was the highest in Search room of school and was the lowest in Library restroom. The outdoor ozone concentration average was the highest in J-billiard hall.