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| A summary analysis of laboratory comparison of environmental γ-radiation dose rate |
| LU Ying, TU Xingming, WEN Fuping |
| China Institute of Atomic Energy, Beijing 102413 China |
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Abstract Objective Check the reference unit environment γ-radiation dose rate measurement level, and continuously improve the monitoring capability to ensure the accuracy of the data.Methods Organized an inter-laboratory comparison of environmental γ-radiation dose rates across the country, and evaluated the results using a quartile of robust Z-ratio scores.Results The overall rejection rate is 3.3%, the acceptance but warning rate is 7.2%, and the acceptance rate is 89.4%.Conclusions The overall comparison results are good, and the participating instruments can basically meet the needs of environmental surface γ-radiation dose rate monitoring.
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Received: 12 March 2020
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