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KMID : 0357520140370030233
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Journal of Radiological Science and Technology
2014 Volume.37 No. 3 p.233 ~ p.238
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Lee In-Ja
Jung Yu-Jin
Kim Chung-kyung
Kim Hee-Sol
Yoon Hyeo-Min
Park Da-Jeong
Ko Yo-Han
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Abstract
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The amount of environmental radiation was measured in the indoor(basement) and outdoor(rooftop) of the two buildings of the University (the old building and the new building) in Suwon City, Gyeonggi Province. Measuring the environmental radiation dose from the first week of April 2013 to last week of March 2014, Twice a week, one year. The measured results were as follows. 1. The average annual environmental radiation of the two buildings were 0.169727μSv/hr. The lowest value was 0.0760μSv/hr whereas the highest value was 0.3000μSv/hr. 2. The amount of environmental radiation dose was 0.176373999μSv/hr in the old building and the amount of environmental radiation dose was 0.163052885μSv/hr in the new building. The old building environmental radiation dose was higher then the new building. 3. The month of the lowest amount of environmental radiation dose in a year was November resulting in 0.152844μSv/hr whereas May was found the month of the highest amount of environmental radiation dose showing with 0.197222μSv/hr. 4. The amount of environmental radiation dose in the indoor(basement) was 0.164649μSv/hr and the amount of environmental radiation dose of the outdoor(rooftop) was 0.174779μSv/hr. And the outdoor(rooftop) was higher than the indoor(basement). 5. Depending on seasonal, the lowest amount of environmental radiation dose was in winter with 0.1632μ Sv/hr while spring was the season with the highest amount of environmental radiation dose with 0.183846μSv/hr. The measured amount was high in the order of spring, summer, autumn, and winter.
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KEYWORD
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Environmental radiation dose, Indoor(basement), Outdoor(rooftop), depending on seasonal
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