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| Analysis of radionuclide content in the surface soil of Panjin, China |
| LI Zhengru1,2, HUANG Yanru1, ZHANG Suyalatu2, WANG Dexin2, LI Xue2, MENG Gufu2 |
1. Liaoning Petrochemical University, Fushun 113001 China;
2. Institute of Nuclear Physics, Inner Mongolia University for the Nationalities, Tongliao 028000 China |
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Abstract Objective To measure the specificactivity of natural and synthetic radionuclides in the environmental soil of Panjin, China and determine the content of radionuclides in the surface soil, and to conduct a scientific assessment of the radiation health risks of residents in this area.Methods Thirty-one surface soil samples were collected within the jurisdiction of Panjin, and a high-purity germanium detector was used for γ spectrum analysis to obtain the content of radionuclides and the current environmental radioactivity level. The two independent samples mean t-test was used to compare the specific activity data of radionuclides in soil samples between Panjin and Liaoning Province or China.Results The meanspecific activities of natural radionuclides 238U, 226Ra, 232Th, 40K, and synthetic radionuclide 137Cs in the surface soil samples of Panjin were 18.7 Bq/kg, 19.6 Bq/kg, 23.5 Bq/kg, 604.6 Bq/kg, and 0.9 Bq/kg, respectively. Conclusion The specific activities of natural and synthetic radionuclides in the surface soil samples of Panjin Area at the background level, causing a very low health risk to the people in this area.
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Received: 02 June 2022
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