Abstract
The concentration of radon daughters in outdoor air in Montreal was measured almost daily over a 1 year period from April 1988 to March 1989. The values measured displayed a mean of 1.2 mWL (0.25 μJ/m3), a median of 0.7 mWL (0.15 μJ/m3), a mode of 0.6 mWL (0.12 μJ/m3) and standard deviation of 1.2 mWL (0.25 μJ/m3). The concentrations increase with increasing temperature and with decreasing barometric pressure. They decrease with the amount of precipitation. Wind velocity had little effect on the concentrations.
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Zikovsky, L., Chah, B. Effects of meteorological conditions on outdoor radon daughters concentrations in Montreal. Journal of Radioanalytical and Nuclear Chemistry, Articles 161, 351–355 (1992). https://doi.org/10.1007/BF02040481
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DOI: https://doi.org/10.1007/BF02040481