Module 3: Radiation Limits and Administrative Control Levels
Declared pregnant worker: Embryo/fetus
After a female worker voluntarily notifies her employer
in writing that she is pregnant, she is considered a
declared pregnant worker. For the purposes of
radiological protection of the fetus/embryo, DOE
requires a special limit for dose to the fetus/embryo. In
addition, the DOE RCS recommends that the employer
provide the option of a mutually agreeable assignment of
work tasks, with no loss of pay or promotional
opportunity, such that further occupational radiation
exposure is unlikely.
This declaration may be revoked, in writing, at anytime
by the declared pregnant worker.
For a declared pregnant worker who continues working
as a radiological worker, the following radiation dose
limit will apply.
The dose equivalent limit for the embryo/fetus (during
the entire gestation period) is 500 mrem.
Measures must be taken to avoid substantial variation
above the uniform exposure rate necessary to meet the
500 mrem limit for the gestation period.
b) The DOE RCS recommends that efforts be made to avoid
exceeding 50 mrem/month to the embryo/fetus of the
declared pregnant worker.
2) If the dose equivalent to the embryo/fetus is
determined to have already exceeded 500 mrem when a
worker notifies her employer of her pregnancy, the
worker shall not be assigned to tasks where additional
occupational radiation exposure is likely during the
remainder of the pregnancy.