What does Potential Overexposures refer to?

• A. Exceeds dose limits set by CFR 20 & AFMAN 48-148
• B. Greater than normal exposures specific to individual work center
• C. Exposures from start of year
• D. Lifetime exposure report

Answer: (A)

The key idea is recognizing what counts as a potential overexposure: a situation where the radiation dose that could be received might exceed the regulatory limits. In radiation safety, dose limits are established to protect workers, and a potential overexposure is treated as a near-miss that requires prompt action—adjusting procedures, improving shielding, or changing work practices to keep future exposures within the allowed limits.

This concept aligns with the rule that potential overexposures are tied to exceeding dose limits set by regulations, such as CFR 20 and AFMAN 48-148. It’s not about a current, measured dose being high, but about the possibility of exceeding the allowed dose if corrective steps aren’t taken.

The other options don’t fit because they describe different ideas: exposure that’s simply greater than normal for a given work center isn’t inherently tied to regulatory limits; exposures from the start of the year refer to annual dose accumulation, not a near-miss situation; and a lifetime exposure report is a record of total accumulated dose over a person’s career, not a prospective risk.