What cumulative exposure limit is recommended for a person who is 30 years old?

The recommended cumulative exposure limit for a radiation worker is typically calculated based on age, using the guideline of 1 rem per year of age. For a person who is 30 years old, this means a cumulative limit of 30 rem (1 rem multiplied by age, which is 30 in this case). This standard is designed to help manage the long-term effects of radiation exposure and to minimize the risk of developing radiation-related health issues over a lifetime.

The choice of 30 rem aligns with the focus on a balance between allowing individuals to work safely with radiation while still protecting their health. Understanding the concept of cumulative exposure limits is crucial as it underscores the importance of monitoring radiation exposure throughout one’s career, particularly in fields such as healthcare, industry, and research, where radiation is commonly used.