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논문 기본 정보

자료유형
학술저널
저자정보
송승환 (서울대학교) Altangerel Bataa (서울대학교) 김동현 (서울대학교) 김문희 (서울대학교) 김민정 (서울대학교) 이나현 (서울대학교) 이미래 (서울대학교) 전슬기 (서울대학교) 채희연 (서울대학교) 정현희 (서울대학교) Delgerzul Lodoisamba (Mongolian National University of Medical Sciences) Davaalkham Dambardarjaa (Mongolian National University of Medical Sciences) 이기영 (서울대학교)
저널정보
서울대학교 보건환경연구소 보건학논집 보건학논집 제57권 제2호(통권 제83호)
발행연도
2020.12
수록면
9 - 16 (8page)
DOI
10.17262/KJPH.2020.12.57.2.9

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Objectives: In the ger district of Ulaanbaatar, raw coal was used as fuel for heating and cooking. In May 2019, the Mongolian government replaced raw coal with processed coal to improve air quality. The aim of this study was to determine difference of PM<SUB>2.5</SUB> and CO concentrations in gers using raw coal and processed coal. Methods: In 48 gers, PM<SUB>2.5</SUB> and CO concentrations was measured during daytime using a real-time monitor. Behavioral factors were observed during the measurement. Surveys were conducted on residents' indoor air quality satisfaction and coal replacement time. The measured PM<SUB>2.5</SUB> concentrations was compared with the PM<SUB>2.5</SUB> concentrations using raw coal in the past. Multiple regression analysis was conducted to identify the factors expected to affect PM<SUB>2.5</SUB> when replaced with processed coal. Situational factors identified in cases of CO concentrations higher than 10 ppm were determined. Results: The average concentrations of PM<SUB>2.5</SUB> and CO in gers with processed coal were 41.2±25.7 μg/m³ and 2.0±1.3 ppm, respectively. The indoor PM<SUB>2.5</SUB> concentrations with processed coal was significantly lower than the level with raw coal. The important factors affecting indoor PM<SUB>2.5</SUB> concentrations were using candle, smoking, adding fuel, cooking, and ventilation. The CO concentrations was generally low. High peak CO concentrations were observed with the stove opening and cooking using gas. Conclusion: Indoor PM<SUB>2.5</SUB> concentrations in ger was significantly reduced by use of processed coal. Factors affecting indoor PM<SUB>2.5</SUB> concentrations such as using candle, smoking, adding fuel were similar to those identified in gers with raw coal. The CO concentrations in gers was low level without human health effects, however inappropriate operation could cause high CO level and adverse health effects.

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Abstract
Introduction
Methods
Results
Discussion
Conclusion
References

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