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THE CD/DVD METHOD AS A TOOL FOR THE HEALTH PHYSICS SERVICE AND VENTILATION DIAGNOSTICS IN UNDERGROUND MINES
1Mining and Geology University 'St. Ivan Rilski', Sofia, Bulgaria.
Radiation Protection Dosimetry
|June 15, 2018
Summary
Compact discs/digital versatile discs (CD/DVDs) offer a sensitive, cost-effective method for passive radon and thoron detection in mines. They also aid in mine ventilation diagnostics by pinpointing radon contamination sources.
Area of Science:
- Environmental Science
- Radiation Detection
- Mining Engineering
Background:
- Radon (222Rn) and thoron (220Rn) are radioactive gases posing risks in underground mines.
- Accurate passive radiation monitoring is crucial for occupational safety and environmental assessment.
- Existing detection methods can be costly or less sensitive for widespread deployment.
Purpose of the Study:
- To evaluate the efficacy of CD/DVDs as passive detectors for radon (222Rn) and thoron (220Rn) in underground mine environments.
- To compare the performance of CD/DVD detectors with conventional diffusion chambers.
- To investigate the potential of CD/DVDs for ventilation diagnostics and identifying radon sources.
Main Methods:
- Deployment of CD/DVDs as passive detectors under real environmental conditions in underground mines.
- Simultaneous measurements using conventional diffusion chambers for comparative analysis.
- Analysis of CD/DVD data to assess radon and thoron levels and their correlation.
- Specific studies in mine galleries to evaluate CD/DVDs for ventilation diagnostics.
Main Results:
- CD/DVDs demonstrated good correspondence with conventional diffusion chambers, indicating reliable detection capabilities.
- No significant correlation was observed between radon (222Rn) and thoron (220Rn) levels when measured by CD/DVDs.
- CD/DVDs proved effective in identifying sources of radon contamination, supporting ventilation diagnostics.
Conclusions:
- CD/DVDs present a viable, sensitive, and cost-efficient alternative for passive radon and thoron monitoring in underground mines.
- The technology is suitable for assessing environmental radiation and can be integrated into mine safety protocols.
- CD/DVDs offer a practical tool for mine ventilation system evaluation and management of radon exposure.
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