16 Del. Admin. Code § 4465-D-12.0

Current through Register Vol. 28, No. 7, January 1, 2025

Section 4465-D-12.0 - Dose Equivalent to an Embryo/Fetus

12.1 The licensee or registrant shall ensure that the dose equivalent to an embryo/fetus during the entire pregnancy, due to occupational exposure of a declared pregnant woman, does not exceed 5 millisievert (0.5 rem, or 500 millirem). See subsection 39.4 for recordkeeping requirements. See Appendix D for "Sample Letter for Declaring Pregnancy - Confidential, Protected Health Information".

12.2 The licensee or registrant 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 subsection 12.1.

12.3 The dose equivalent to the embryo/fetus is the sum of:

12.3.1 The deep dose equivalent to the declared pregnant woman; and

12.3.2 The dose equivalent resulting from radionuclides in the embryo/fetus and radionuclides in the declared pregnant woman.

12.4 If the dose equivalent to the embryo/fetus is found to have exceeded 5 millisieverts (0.5 rem, or 500 millirem), or is within 0.5 millisieverts (0.05 rem, or 50 millirem) of this dose, by the time the woman declares the pregnancy to the licensee or registrant, the licensee or registrant shall be deemed to be in compliance with subsection 12.1. if the additional dose to the embryo/fetus does not exceed 0.5 millisievert (0.05 rem, or 50 millirem) during the remainder of the pregnancy.

Radiation Dose Limits for Individual Members of the Public

16 Del. Admin. Code § 4465-D-12.0

19 DE Reg. 140 (8/1/2015)
22 DE Reg. 401 (11/1/2018) (Final)