Strahlenschutz - Instituts für Medizinische Physik

Natural background radiation:
3 mSv/y.
(range: 1-1010 mSv/y.)
Senior author: A. Niroomand-Rad
Natural background radiation levels
“… in Ramsar are approximately 55-200 times higher
than that of the global average rate.” (typ. 260 mSv/y.)
“… no increased level l of chromosome aberrations.
… It can be concluded that prolonged exposure …
decreases the frequency of chromosome aberration and
the cancer incidence rate.”