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What is the last step in the double-bagging procedure?

  1. Dispose of the bags immediately.

  2. Mark the outer bag and write “DO NOT OPEN!”.

  3. Remove the source from the bag.

  4. Notify a supervisor of the completed task.

The correct answer is: Mark the outer bag and write “DO NOT OPEN!”.

The last step in the double-bagging procedure involves marking the outer bag with "DO NOT OPEN!" This step is critical because it serves as a clear warning and precaution to anyone who may come into contact with the bag, signaling that the contents may be hazardous and should not be disturbed. This labeling helps maintain safety protocols by ensuring that the bag remains sealed until it is processed appropriately. Proper identification of potentially dangerous materials is essential in radiation safety to prevent accidental exposure. The marking eliminates any ambiguity regarding the contents and indicates that specific handling procedures are necessary before opening or disposing of the bag. This step ensures that all personnel follow safety precautions and protects them from potential contamination or exposure to radiation.