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the experiment or demonstration. (c) For the purpose of this section, “student” means an individual who is in training under the direct supervision of a qualified instructor for the safe and effective use of a radiation producing device. (Eff. 4/9/2009, Register 190) Statutory Authority: Authority: AS 18.60.475 AS 18.60.485 7 AAC 18.255. Dose limits for a declared pregnant woman. (a) A registrant shall ensure that a declared pregnant woman is not subject to occupational exposure to radiation that will result in a total dose equivalent to the woman’s embryo or fetus during the entire pregnancy that exceeds 0.5 rem or five millisieverts. (b) The dose equivalent to an embryo or fetus is the sum of the

(1) deep-dose equivalent to the declared pregnant woman; and

(2) dose equivalent to the embryo or fetus resulting from radionuclides in the embryo or fetus and radionuclides in the declared pregnant woman. (c) A registrant shall make efforts to avoid substantial variation above a uniform monthly occupational exposure rate to a declared pregnant woman to satisfy the limit specified in (a) of this section. (d) If the dose equivalent to the embryo or fetus exceeds 0.5 rem or five millisieverts, or is within 0.05 rem or 0.5 millisieverts of the dose, at the time the woman becomes a declared pregnant woman, the registrant is in compliance with (a) of this section if the additional dose equivalent to the embryo or fetus does not exceed 0.05 rem or 0.5 millisieverts during the remainder of the pregnancy. (e) For the purposes of this section, to become a declared pregnant woman, a woman must voluntarily inform the registrant in writing of the woman’s pregnancy and the estimated date of conception. The declaration remains in effect until the declared pregnant woman withdraws the declaration or is no longer pregnant. (Eff. 4/9/2009, Register 190) Statutory Authority: