a. The limit value for workers over the age of 18 years is set to 20 mSv per calendar year. b. The radiation dose to the lens of the eye shall not exceed 20 mSv per calendar year. c. The radiation dose for the skin, hands and feet shall not exceed 500 mSv per calendar year. d. For apprentices aged between 16 and 18 who employ radiation sources in their education, dose limits of 5, 15 and 50 mSv, respectively, per calendar year shall apply instead of the doses listed under (a)-(c). e. In the case of pregnant women, the dose for the foetus shall not exceed 1 mSv for the remaining part of the pregnancy, i.e. from the time that pregnancy is confirmed.