Use of the "Common calculation base for determination of radiation exposure due to radioactive exhaust air or from surface water (Guideline to § 45 German Radiation Protection Ordinance)" for ongoing
The Radon Exposition of the population Recommendation by the German Commission on Radiological Protection Adopted at the 29 th Meeting of the SSK on 24/25 April 1980 DE (not accessible) [PDF, 33KB] Ab