§ 20.1208. Dose equivalent to an embryo/fetus.
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/us/cfr/t10/s§ 20.1208·A research copy — for the controlling text, always check the official state or federal source. Not legal advice.
(a)The licensee shall ensure that the dose equivalent to the embryo/fetus during the entire pregnancy, due to the occupational exposure of a declared pregnant woman, does not exceed 0.5 rem (5 mSv). (For recordkeeping requirements, see § 20.2106.)
(b)The licensee shall make efforts to avoid substantial variation above a uniform monthly exposure rate to a declared pregnant woman so as to satisfy the limit in paragraph
(a)of this section.
(c)The dose equivalent to the embryo/fetus is the sum of—
(1)The deep-dose equivalent to the declared pregnant woman; and
(2)The dose equivalent to the embryo/fetus resulting from radionuclides in the embryo/fetus and radionuclides in the declared pregnant woman.
(d)If the dose equivalent to the embryo/fetus is found to have exceeded 0.5 rem (5 mSv), or is within 0.05 rem (0.5 mSv) of this dose, by the time the woman declares the pregnancy to the licensee, the licensee shall be deemed to be in compliance with paragraph
(a)of this section if the additional dose equivalent to the embryo/fetus does not exceed 0.05 rem (0.5 mSv) during the remainder of the pregnancy. [56 FR 23396, May 21, 1991, as amended at 63 FR 39482, July 23, 1998]
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§ 20.1208
Dose equivalent to an embryo/fetus.
Fed. Reg.×6
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