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Indoor PM2.5 Concentrations in Different Sizes of Pubs with Non-comprehensive Smoke-free Regulation

비 포괄적인 금연정책을 시행한 호프집의 면적에 따른 실내 PM2.5 농도

Kim, Jeonghoon;Lim, Chaeyun;Lee, Daeyeop;Kim, Heyjin;Guak, Sooyoung;Lee, Na Eun;Kim, Sang Hwan;Ha, Kwon Chul;Lee, Kiyoung
김정훈;임채윤;이대엽;김혜진;곽수영;이나은;김상환;하권철;이기영

  • Received : 2015.03.04
  • Accepted : 2015.04.21
  • Published : 2015.04.28

Abstract

Objectives: The Korean government implemented a smoke-free regulation for pubs with a net indoor area of ${\geq}100m^2$ on January 1, 2014. The purpose of this study was to determine the indoor levels of concentrations of particulate matter smaller than $2.5{\mu}m$ ($PM_{2.5}$) in implemented and non-implemented pubs in Seoul and Changwon. Methods: $PM_{2.5}$ concentrations in fifty-two $100-150m^2$ (implemented) and fifty-seven < $100m^2$ (non-implemented) pubs were measured. A real-time aerosol monitor was used to measure $PM_{2.5}$ concentrations. Field technicians recorded characteristics of the pubs including net indoor area, indoor volume and presence of smoking rooms and counted the number of burning cigarettes, patrons and vents. Results: Differences between indoor and outdoor $PM_{2.5}$ concentrations in $100-150m^2$ and < $100m^2$ pubs were not significantly different in each city. Smoking was observed in 33% of $100-150m^2$ pubs and 51% of < $100m^2$ pubs. Average differences between indoor and outdoor $PM_{2.5}$ concentrations in the $100-150m^2$ and < $100m^2$ pubs were $79.2{\mu}g/m^3$ and $155.6{\mu}g/m^3$, respectively. When smokers were not observed, differences between indoor and outdoor $PM_{2.5}$ concentrations ware $12.4{\mu}g/m^3$ in $100-150m^2$ pubs and $24.5{\mu}g/m^3$ in < $100m^2$ pubs. Conclusion: Although the regulation was implemented only in ${\geq}100m^2$ pubs, a higher difference between indoor and outdoor $PM_{2.5}$ concentrations was observed in implemented and non-implemented pubs with smokers. Strict implementation of the regulation in all pubs is needed for better indoor air quality.

Keywords

Indoor air quality;$PM_{2.5}$;Pub;Secondhand smoke;Smoke-free regulation

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  1. Health Effects of Smoke-free Legislation in Public Places vol.8, pp.1, 2017, https://doi.org/10.25055/JKSRNT.2017.8.1.1