External dose due to natural radioactivity in soil or rock
- External dose due to natural radioactivity in soil or rock
-
External dose due to natural radioactivity in soil or rock
source dose in mSv per year
ordinary regions 0.25–1.6
active regions
granite in France 1.8–3.5
houses in Switzerland (alum shale) 1.58–2.2
monazite alluvial deposits in Brazil mean 5; max 10
monazite sands, Kerala, India 3.7–28
See as table:
* * *
Universalium.
2010.
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