Common Dosimetry Terminology
Badge supplied to a declared pregnant radiation worker to monitor radiation dose to the fetus for the term of the pregnancy.
Lifetime history of occupational exposure to ionizing radiation. NRC Form-4.
Extra badge sent at customer request for assignment to:
- New employees
- Employees who have lost their normal dosimeter
- Spiking - A customer practice of playing a little joke on dosimetry service companies by intentionally exposing a spare dosimeter to radiation to test the processor's ability to evaluate exposed dosimeters.
Dosimeter used to monitor an area. Dose not assigned to a person.
Those portions of the body from the elbows to the knees, including the head.
Dosimeter used to monitor dose to wrist, finger or ankle.
A unit of radiation dose that equates radiation exposure to biological damage. The yearly limit for occupational exposure to ionizing radiation is 5000 mrem.
When a Health Care Professional wears a protective (lead) apron to minimize radiation exposure while working in proximity to a radiation source, a badge is worn on the chest, beneath the apron, and at the collar. A Webster Calculation is then performed to determine the worker's true dose.
Minimum reportable dose
The minimum dose that can be reliably detected.