A back-of-the-envelope calculations makes that 700 mSv per year (simply: .08 mSv x 24 hours x 365 days).That is a serious dose, but not as bad as it initially sounds.
En cálculos rápidos, eso supone 700 mSv por año (simplemente 0.08 mSv x 24 horas x 365 días).