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Published on: September 7, 2019
Uncertainty evaluation in radon concentration measurement using charcoal canister
G Pantelić1, M Eremić Savković2, M Zivanović1
1University of Belgrade, Vinča Institute of Nuclear Sciences, Mike Petrovića Alasa 12-14, 11001 Belgrade, Serbia.
Active charcoal detectors measure radon concentration in homes by adsorbing radon and measuring gamma radiation. The study found that measurement uncertainty is independent of the peak area determination method used in gamma spectrometry.
Area of Science:
- Environmental Science
- Radiation Detection
Background:
- Radon gas poses health risks in dwellings.
- Active charcoal detectors are a common method for radon testing.
- Accurate measurement of radon concentration is crucial for public health.
Purpose of the Study:
- To identify contributions to measurement uncertainty in active charcoal radon detectors.
- To evaluate different methods for gamma spectrometry analysis of radon daughters.
- To assess the impact of peak area determination on radon concentration and uncertainty.
Main Methods:
- Utilized active charcoal detectors for radon adsorption.
- Employed gamma spectrometry to measure radon daughters.
- Analyzed measurement uncertainty based on radon activity concentration calculation.
- Compared various methods for defining the region of interest in gamma spectrometry.
Main Results:
- Identified key factors contributing to measurement uncertainty.
- Evaluated the effectiveness of different gamma spectrometry analysis techniques.
- Demonstrated that radon activity concentration and associated uncertainties are independent of the peak area determination method.
Conclusions:
- The choice of peak area determination method does not affect the accuracy of radon concentration measurements using active charcoal detectors.
- Understanding and quantifying measurement uncertainty is essential for reliable radon monitoring.
- Further research can focus on optimizing other aspects of the radon detection process.
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