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Winter-to-winter variations in indoor radon
D G Mose1, G W Mushrush, S W Kline
1Center of Basic and Applied Science, George Mason University, Fairfax, VA 22030.
Journal of Toxicology and Environmental Health
|January 1, 1989
Summary
Indoor radon levels in Virginia and Maryland are influenced by weather. A warmer, drier winter in 1987-1988 led to a significant 25% decrease in indoor radon compared to the previous year.
Area of Science:
- Environmental Science
- Public Health
- Atmospheric Science
Background:
- Indoor radon concentrations are known to fluctuate seasonally.
- Weather patterns significantly impact indoor radon levels in residential environments.
Purpose of the Study:
- To investigate the relationship between weather variations and indoor radon concentrations.
- To analyze the unexpected decrease in indoor radon levels between two consecutive winters.
Main Methods:
- Monitoring indoor radon concentrations in northern Virginia and central Maryland.
- Correlating radon data with meteorological records for the winters of 1986-1987 and 1987-1988.
Main Results:
- Indoor radon levels exhibit a strong dependence on weather conditions, with higher concentrations in winter and lower in summer.
- The winter of 1987-1988 was warmer and drier than 1986-1987.
- A significant decrease of approximately 25% in indoor radon was observed between the winter of 1986-1987 and 1987-1988.
Conclusions:
- Warmer and drier winter weather conditions can lead to substantial reductions in indoor radon.
- The observed winter-to-winter decrease in radon levels mimics seasonal variations, highlighting the sensitivity of indoor radon to meteorological factors.