Stolen gamma densitometer

Print View Posted on: 16 October 2017

Event Date: 14 April 2017 Event Type: Radiation Source
Event Location: France, South of France / Valérian Company INES Rating: 1 (Final)

During the night of 13 to 14 April 2017, a gamma densitometer (Troxler 3440), which was used on a levelling work site, has been stolen from its storage location (Southern France).
It contains 2 radiation sources as follows :
1 Cesium 137 of 296 MBq activity
1 Americium/Beryllium 241 of 1480 MBq activity
The device has not been recovered.

INES Rating: 1 - Anomaly (Final) as per 14 April 2017
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? No

Julien Husse
Autorité de Sûreté Nucléaire (ASN)
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