Source:Journal of Environmental Radioactivity, Volume 164
Author(s): Yan-Jun Huang, Gui-Yin Guo, Yi He, Li-Tao Yang, Zhen Shan, Chao-Feng Chen, Zhi-Hong Shang-Guan
In this paper, three different widely-used measurement techniques for environmental gamma dose rate were studied and compared, i.e., the thermoluminescent dosimeter, the portable survey meter and the spectrometric analysis. Thirteen investigation sites were selected, and the TLDs were arranged to accumulate the radiation signals during an interval of about one quarter, the instant dose rates by using a portable survey meter were collected around the site, and top surface soils were sampled in the surroundings for radionuclides analyzing in laboratory. The results from these methods were compared, which revealed high correlations. The differences and possible uncertainties for the three methods were analyzed, inspired a further study should be conducted to have more successful estimation of dose rate in surface air.
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