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Badges must be exchanged at the required frequency, either monthly or quarterly. When you are first given your badge, you will be told how often to exchange it. Badges are exchanged during the 1st week of each month.

How long are dosimeters good for?

A dosimeter (including a control dosimeter) is considered lost if it is not returned to LANDAUER within 90 days after the end wear date, and damaged if it is not returned in good condition.

Are radiation badges required?

Who needs a dosimeter? Radiation workers who operate x-ray machines, flouroscopy units, certain unsealed and sealed radioisotopes or are exposed to other sources of gamma or high energy beta radiation are generally required to wear one or more dosimeters.

Where should you wear your radiation badge?

The best place to wear the badge is on the neck or chest facing the radiation source. If the worker has a lead apron, then the badge should be worn over the apron, and not underneath it.

How do radiation monitoring badges work?

A radiation dosimeter badge does not protect the worker from radiation, but detects and measures radiation to which you have been exposed. The badge will detect high energy beta, gamma or x-ray radiation. These dosimeters cannot detect low energy beta radiation from some isotopes including tritium (H-3).

How often are dosimeters changed?

Dosimeters are exchanged every three months in the beginning of January, April, July and October. Fetal dosimeters are exchanged on the first of every month (or the first business day thereafter).

When should a dosimeter badge be worn?

Wear your badge every day while working. Place in a radiation-free area after working hours. Do not remove the badge from your workplace. Place the badge in the neck or chest area, facing the radiation source.

When should film badges be worn?

Individuals are required to obtain and wear radiation badges to monitor exposure if they: Operate fluoroscopic x-ray units or work in areas where fluoroscopic x-ray units are used. Operate therapeutic x-ray units. Administer radiopharmaceuticals to patients.

How often should a dosimeter badge be turned in?

Return the badge ON TIME each month that it is due – by the 5th day of the start of each monitoring period. You may be subject to paying a late fee if your badge is not returned on time. If you are issued a ring dosimeter, wear it on your dominant hand, with the label section towards the palm of the hand.

When should you wear a dosimeter?

You are required to wear a dosimeter while working in or visiting areas that are defined as: Radiologically Controlled Areas. Radioactive Material Storage Areas. Radiation, High Radiation, and Very High Radiation Areas.