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RADON-222 IN SOIL-GAS MEASUREMENTS BY COMPACT DISCS. COMPARISON TO DIFFUSION CHAMBER MEASUREMENTS
K Mitev1, S Georgiev1, I Dimitrova1
1Faculty of Physics, Sofia University 'St. Kliment Ohridski', Bulgaria.
Radiation Protection Dosimetry
|June 13, 2018
Summary
This study compared compact disc (CD) and diffusion chamber radon-222 (222Rn) measurements in soil gas. Temperature correction is crucial for accurate CD measurements of soil gas radon.
Area of Science:
- Environmental Science
- Geophysics
- Radiological Science
Background:
- Radon-222 (222Rn) is a naturally occurring radioactive gas found in soil.
- Accurate measurement of soil gas 222Rn is important for various environmental and health studies.
- Compact discs (CDs) offer a potential method for measuring 222Rn, but their accuracy needs validation.
Purpose of the Study:
- To evaluate the performance of compact discs (CDs) for measuring radon-222 (222Rn) in soil gas.
- To compare CD measurements with a standard diffusion chamber method.
- To determine the influence of environmental factors, such as temperature, on CD measurements.
Main Methods:
- Simultaneous measurements of 222Rn in soil gas were conducted using both CDs and diffusion chambers.
- Measurements were performed across three distinct terrains characterized by high, medium, and low 222Rn concentrations.
- Data analysis focused on correlating results from the two measurement techniques and assessing the impact of temperature.
Main Results:
- A good correlation was observed between the radon-222 (222Rn) measurements obtained using compact discs (CDs) and the reference diffusion chambers.
- The study identified temperature as a significant factor influencing the accuracy of CD measurements.
- Effective temperature correction is necessary for reliable CD-based soil gas 222Rn quantification.
Conclusions:
- Compact discs (CDs) demonstrate good correlation with diffusion chambers for measuring soil gas radon-222 (222Rn).
- Temperature correction is essential for accurate radon measurements using CDs exposed in soil.
- CDs can be a viable tool for soil gas 222Rn monitoring when appropriate corrections are applied.
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