ASNT Industrial Radiography Radiation Safety Practice Test

What is the required leak testing frequency for exposure devices using depleted uranium (DU)?

1. Every 3 months

2. Every 6 months

3. Every 12 months

4. Every 24 months

The correct answer is: Every 12 months

The required leak testing frequency for exposure devices using depleted uranium (DU) is every 12 months. This standard is established to ensure safety and to keep the risk of radioactive leakage to a minimum. Regular leak testing is crucial because it helps to identify any potential issues with the exposure devices that could lead to contamination or unintended radiation exposure. Depleted uranium is a dense material used in some radiographic exposure devices, and it can present unique safety concerns if leakage occurs. By adhering to the annual testing requirement, facilities ensure that their equipment remains safe and effective for industrial radiography applications. Choosing a timeframe shorter than 12 months may unnecessarily increase operational costs without adding meaningful safety benefits, while a longer timeframe could raise safety risks due to undetected leaks. Thus, the 12-month schedule strikes a balance between safety and practicality in the management of these devices.