Which personnel should be required to wear a dosimeter?

The requirement for personnel to wear a dosimeter is based on their potential exposure to radiation. Those who are likely to receive 10% or more of the annual effective dose limit are the individuals for whom monitoring is essential. This threshold is significant because it helps ensure that radiation exposure remains within safe levels for occupational health.

Wearing a dosimeter allows for accurate measurement and assessment of radiation exposure over time. By focusing on those who might exceed this threshold, facilities can implement appropriate safety measures and training to minimize risk. It's a proactive approach aimed at protecting staff members who are more likely to encounter significant radiation while performing their duties, particularly in environments where fluoroscopy is routinely utilized.

The other scenarios describe broader or more limited criteria that do not sufficiently address the specific need for monitoring based on potential dose exposure, which is critical for maintaining safety standards in radiological practices.