Missing Tc-99m Generator

Print View Posted on: 19 December 2018

Event Date: 18 December 2018 Event Type: Radiation Source
Event Location: Switzerland, Sion, nuclear medicine institute INES Rating: 1 (Provisional)

On 18 December 2018, a Tc-99m generator was reported missing after delivery early in the morning by a nuclear medicine institute in Sion (Switzerland). The generator from the company BE-Imaging (approx. 15cm x 30cm) contains 35.4 GBq Mo-99. An investigation was opened by the police to determine the circumstances of this event and a call for witnesses was launched.

INES Rating: 1 - Anomaly (Provisional) as per 19 December 2018
Release beyond authorized limits? No
Overexposure of a member of the public? No
Overexposure of a worker? No

Contamination spread within the facility? No
Damage to radiological barriers (incl. fuel damage) within the facility? No

Degradation of Defence In-Depth Yes

Person injured physically or casualty? No
Is there a continuing problem? Yes

Nicolas Stritt
Federal Office of Public Health FOPH (Switzerland)

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