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KMID : 1156220160420020118
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Journal of Environmental Health Sciences
2016 Volume.42 No. 2 p.118 ~ p.125
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Indoor air pollution in ger, a traditional type of residence in Mongolia
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Lee Bo-Ram
Chimeddulam Dalaijamts
Jargalsaikhan Khishigt
Lee Ki-Young
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Abstract
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Objectives: The traditional type of residence in used in Mongolia, called a ger, is an important residential form and applies coal combustion for cooking and heating. The combustion of coal in ger is the major source of indoor air pollution. The purposes of this study were to measure indoor air pollution in ger and determine the effect of cooking 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 or February 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. The average indoor PM2.5 concentration in the eight ger was 119.8 μg/m3 and ranged from 69.4 to 202.7 μg/m3. The peak 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 for cooking and heating.
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KEYWORD
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Black carbon, household combustion, indoor air quality, Mongolia, pm2.5
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