A busy radiopharmacy needs sealed Tc-99m vials that passed their expiration date moved out of active stock. The safety officer requires that the material stay in the department until surveys read background and that each held container remain traceable. Which handling plan meets these radioactive materials requirements?

The correct plan holds each expired vial in labeled, shielded storage within the department, keeps its identity traceable during the hold, and delays disposal until a survey reads background; removing or defacing the radioactive label before discarding avoids marking released material as radioactive. Keeping the labels intact preserves traceability but misses the required label-disposition step and can misidentify discarded material. Transferring documented vials in approved, shielded packaging to a licensed radioactive-waste contractor may be an appropriate waste route, but it moves the material out of the department while activity remains detectable, contrary to the safety officer’s requirement. Logging the vials in decay-in-storage and surveying the room is not enough: a room-background reading does not establish that the vials themselves read background, since shielding, distance, or the room’s general field can make that result misleading. Exam caveat: “background” is not a universal numerical release threshold; applicable regulations, license conditions, and survey procedures govern the measurement and release. Practical check: match each container’s ID to the waste log, survey the vial or package with an appropriate instrument using a documented method, and confirm the required result before removing labels or discarding it.