A monitoring area is a radiation protection area for which fixed dose limit values are valid and which is subject to monitoring according to stipulated regulations. In adaptation to the Euratom basic standards, a monitoring area is a radiation protection area that does not belong to the controlled area and in which persons in a calendar year may receive an effective dose of more than 1 millisievert or higher organ doses than 15 millisievert for the eye lens or 50 millisievert for the skin, hands, forearms, feet and ankles.