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ISSN : 1225-4517(Print)
ISSN : 2287-3503(Online)
Journal of Environmental Science International Vol.29 No.1 pp.109-117
DOI : https://doi.org/10.5322/JESI.2020.29.1.109

Impact of Indoor Pan-frying Cooking Activity on Change of Indoor PM2.5 Concentration Level in Asthmatics' Homes

Su Jung Park,Choon sik Park1),Dae hyun Lim2),Sang woon Lee,So young Jang,Sol Yu,Sung Roul Kim*
Department of Environmental of Health Sciences, Soonchunhyang University, Asan 31538, Korea
1)Department of Internal Medicine, Soonchunhyang Bucheon Hospital, Bucheon 14584, Korea
2)Department of Pediatrics and Environmental Health Center for Allergic Diseases, Inha University hospital, Incheon 22212, Korea
*Corresponding author: Sung-Roul Kim, Department of Environ -mental of Health Sciences, Soonchunhyang University, Asan 31538, Korea Phone : +82-41-530-1249

Abstract

Asthmatics are more susceptible to fine particulate matters (PM2.5), compared to the general population. It has been reported that indoor PM2.5 is mainly generated by combustion of fossil fuels, meat or fish In particular, asthmatics are known to be more susceptible to indoor PM2.5 because 65 ∼ 95% of child or adult asthmatics stay inside the house. Thus, understanding the association between indoor activity patterns and variations in indoor PM2.5 levels is important. The purpose of this study is to determine the distribution of hourly indoor PM2.5 concentrations in asthmatics’ homes, and to evaluate its association with pan-frying cooking activity patterns, the most common PM2.5 emission related activity. From November 2017 to February 2018, real-time PM2.5 concentrations were measured in the living room of each asthmatic’s house (n = 35) for three weeks at 1 minute intervals. At the same time, self-reported daily activity patterns, hourly proportion (%) of cooking activities, were also recorded every hour over three weeks for each patient. In this study, we provided quantitative evidence that the distribution patterns of indoor hourly PM2.5 concentrations were associated with indoor cooking activities, especially in the homes of adult asthmatics. In addition, we observed that PM2.5 emitted by pan-frying could maintain even over up to 2 hour lagtime.

천식 환자 가정 내 굽기조리 활동에 의한 실내 미세먼지(PM2.5) 농도 수준의 변화

박수정,박춘식1),임대현2),이상운,장소영,유솔,김성렬*
순천향대학교 환경보건학과, 1)순천향대 부천병원 호흡기 알레르기내과, 2)인하대학교 소아청소년과

초록

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