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KMID : 1156220180440030250
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Journal of Environmental Health Sciences
2018 Volume.44 No. 3 p.250 ~ p.258
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The Characteristics of Indoor Air Quality Variation in Underground Parking Lots of Apartments located in Northern Gyeonggi Province
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Park Hyun-Ku
Jung Yeon-Hoon
Kim Byeong-Lok
Kim Jin-Guil
Shin Hyung-Soon
Lee Sang-Soo
Oh Jo-Gyo
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Abstract
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Objectives: The study examined indoor air quality during daytime and commute times in underground parking lots in five apartments located in northern Gyeonggi province.
Methods: This study examined the temporal characteristics of PM10, CO2, CO, HCHO and VOCs in the indoor air quality of the underground parking lots in five apartments.
Results: PM10 concentration in daytime were ranged from 37.4 to 69.9 μg/m3 which complied with the indoor air quality maintenance standard (200 μg/m3) and Gyeonggi province ordinance standard (180 μg/m3). However PM10 concentrations in commuting time were in range of 447.3~944.0 μg/m3 that exceeded for both criteria. The CO2, CO and HCHO concentrations complied with the standard. The VOCs indicated high tendency in the order of toluene, xylene, ethylbenzene and benzene. This tendency was more apparent in commuting time than daytime.
Conclusion: All indoor parking lots of five apartments were equipped with ventilators. However the most apartment residents did not operate blowers to save electricity and the lack of interest for indoor air quality. In order to improve the indoor air quality of underground parking lots in apartment, operating ventilation system during commuting time is recommended.
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KEYWORD
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PM10, CO2, CO, HCHO, VOCs
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