/Docs/OTF/org/iaea/GSR3/Footnote/55.md
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TiFootnote 55
secOn the assumption of an equilibrium factor for 222Rn of 0.4 and an annual occupancy of 7000 h, the value of activity concentration due to 222Rn of 300 Bq/m3 corresponds to an annual effective dose of the order of 10 mSv.
[OTF/Z/Base]