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| | Abstract | | The dose of gamma rays in a concrete building and a back natural forest was measured for tackling an environmental radioactive exposure problem. The number of the gamma rays in 50KeV-3.0MeV energy range was measured using portable gamma-rays-analysis equipment. In the number of total gamma rays, the maximum was 482,358 in the building, and the minimum was 358,366 in the forest. Moreover, the minimum number of total gamma rays in the building was 404,001, and the maximum number of total gamma rays in the forest was 388,167. The results suggest that the gamma rays exposure risk may increase in concrete building. |
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