ASNT Industrial Radiography Radiation Safety Practice Test

The maximum amount of material permitted in a leak test for an exposure device using depleted uranium is 0.005 microcuries (µCi). This limit is established to ensure safety and minimize any potential hazards associated with the presence of radioactive materials.

The rationale behind this strict limit is to control the amount of radioactive contamination that could potentially escape from the device. In the context of industrial radiography, especially when using depleted uranium, monitoring for leaks is crucial to safeguard not only the technicians handling the devices but also the environment. This threshold allows for the detection of any leaks that could pose a significant health risk while still recognizing that some level of radioactive material is accepted in well-maintained devices.

Maintaining the leak test limit at 0.005 µCi reflects a balance between operational practicality and safety considerations. Ensuring compliance with this standard is essential for the integrity of radiographic operations and for maintaining regulatory requirements that protect workers and the public from radiation exposure.