실내환경 및 냄새 학회지 제19권 제2호 (p.128-136)

도시고속도로에 인접한 주거건물의 실내공기오염

Indoor air pollution in a residential building near the urban expressway
키워드 :
Indoor air pollution,Indoor to outdoor concentration ratio (I/O ratio),Residential building,Urban expressway,Vehicle exhaust

목차

Abstract
1. 서 론
2. 연구방법
   2.1 측정위치 및 시기
   2.2 측정장비
3. 연구결과 및 고찰
   3.1 실내 공기질의 주간 변화
   3.2 실내외 CO2농도 및 온도의 일변화
   3.3 실내외 입자상 오염물질의 일변화
   3.4 주중과 주말의 시간대별 실내외 오염물질 농도의 변화
4. 결 론
References

초록

The urban expressway is widely used to avoid traffic jams in highly-populated urban areas. However, vehicle exhaust can be easily transported to the neighboring area including residential buildings. In this study, we investigated the transport and penetration of vehicle exhaust into the nearby high-story residential building. Black carbon (BC) and lung deposited surface area (LDSA) concentrations were monitored every 1 min using an aethalometer (AE51, Magee) and a nanoparticle aerosol monitor (AeroTrak 9000, TSI), respectively. For comparison, the measurement was carried out in both the living room and balcony of the apartment from January 18 to January 25, 2016. The CO2 concentration indicated the presence of residents in the living room and transport of vehicle exhaust from the roadway in the balcony. Its diurnal variation showed a significant difference between weekdays and the weekend, implying the different time activity of residents and traffic volume. BC and LDSA concentrations were 1.4±1.5 μg/m3 and 53.9±45.0 μm2/cm3 indoors, and 1.9±1.0 μg/m3, 76.2±34.5 μm2/cm3 outdoors, respectively. The indoor to outdoor concentration ratios range from 0.6 to 0.8, indicating the significant influence of outdoor vehicle exhaust. The highest concentrations of BC and LDSA were observed in the morning rush hours, except for those indoors during the weekend. In particular, the outdoor effect is significant during the morning rush hours. Indoor air quality management is urgently needed for residents living near the urban expressway.