몽골 울란바토르 시 전통 주거공간의 실내공기 오염 기초조사
Indoor air pollution in ger, a traditional type of residence in Mongolia
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Objectives: The traditional type of residence in used in Mongolia, called a ger, is an important residential formand applies coal combustion for cooking and heating. The combustion of coal in ger is the major source of indoorair pollution. The purposes of this study were to measure indoor air pollution in ger and determine the effect ofcooking and heating activities. Methods: Indoor temperature, relative humidity, particulate matter less than 2.5 μm (PM2.5) and black carbon(BC) were continuously measured for 24 hours in eight ger. The measurements were conducted in January orFebruary 2015. Heavy metals in PM2.5 filter samples were analyzed by ICP-MS. Results: Average indoor temperature and relative humidity were 19.6 ±4.6°C and 21.4±5.2%, respectively. Theaverage indoor PM2.5 concentration in the eight ger was 119.8 μg/㎥ and ranged from 69.4 to 202.7 μg/㎥. Thepeak concentrations of PM2.5 and BC during cooking and heating periods were several times higher than the 24-hour average concentration. Conclusion: The major contributor to indoor PM2.5 and BC concentrations in the ger was coal combustion forcooking and heating.
Abstract
Objectives: The traditional type of residence in used in Mongolia, called a ger, is an important residential formand applies coal combustion for cooking and heating. The combustion of coal in ger is the major source of indoorair pollution. The purposes of this study were to measure indoor air pollution in ger and determine the effect ofcooking and heating activities. Methods: Indoor temperature, relative humidity, particulate matter less than 2.5 μm (PM2.5) and black carbon(BC) were continuously measured for 24 hours in eight ger. The measurements were conducted in January orFebruary 2015. Heavy metals in PM2.5 filter samples were analyzed by ICP-MS. Results: Average indoor temperature and relative humidity were 19.6 ±4.6°C and 21.4±5.2%, respectively. Theaverage indoor PM2.5 concentration in the eight ger was 119.8 μg/㎥ and ranged from 69.4 to 202.7 μg/㎥. Thepeak concentrations of PM2.5 and BC during cooking and heating periods were several times higher than the 24-hour average concentration. Conclusion: The major contributor to indoor PM2.5 and BC concentrations in the ger was coal combustion forcooking and heating.
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