Controlled areas are areas in which persons may receive an effective Measure of a radiation effect to be indicated more precisely... of more than 6 millisievert or higher organ doses than 45 millisievert for the eye lens or 150 millisievert for the skin, the hands, the forearms, the feet and ankles in a calendar year. In this context, the external and internal Energy dispersion through matter or space. In atomic physics... exposure is to be considered. A reactor period of 40 hours per week and 50 weeks per calendar year for remaining in a certain area is decisive for the determination of the limit for controlled area or A monitoring area is a radiation protection area for which f..., if no other reliable data on time of staying is available. Controlled areas must be fenced off and identified. Access is permissible only with observation of special Radiation protection deals with the protection of individual... regulations.