| 요약2 |
The following is a summary of research and measures on indoor environments of twenty Child Care Centers located in Seoul ; The brightness, which ranged from 297(lux) to 243 (lux), does not enough to the criteria 300(lux). the noise level in class room at school turned out 58(dB) in average, which appeared to exceed the minimum standard of 55(dB), three measures of Total volatile organic chemicals (TVOC), Nitrogen dioxide (NO2), and Carbon dioxide (CO2), all exceeded recommended standard. However, the level of Particulate dust (PM10) and Formaldehyde (HCHO) stayed lower than criterion of 100 ㎍/㎥ |