Comment on ‘Update of 40K and 226Ra and 232Th series gamma-to-dose conversion factors for soil’


Checking the range of radioactive source needed for the air kerma to reach its asymptotic limit.


A letter to the editor of the Journal of Environmental Radioactivity on the article: E. Gasser, A. Nachab, A. Nourreddine, Ch. Roy, and A. Sellam, ‘Update of 40K and 226Ra and 232Th series γ-to-dose conversion factors for soil’, J. Environ. Radioactiv. 138, 68-71 (2014), DOI: 10.1016/j.jenvrad.2014.08.002.

A. Malins, M. Machida & K. Saito
Journal of Environmental Radioactivity 144, 179-180 (2015)

DOI: 10.1016/j.jenvrad.2015.01.009
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