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Published on 23/04/2010 at 16:32

Raw materials containing naturally occurring radionuclides

Some industrial processes concentrate natural radionuclides contained in raw materials, manufactured products or production waste. ASN worked in collaboration with IRSN, the French National Institute for Radiation Protection and Nuclear Safety, to assess the exposure of workers and the population at large to this “technologically enhanced natural radioactivity” [1].

Published on 07/04/2010 at 16:09

Presentation of the ASN annual report 2009 to the french Parliament (I)

The ASN Commission and its president, André-Claude Lacoste, today presented the ASN report on "The State of Nuclear Safety and Radiological Protection in France in 2009" to Members of Parliament from the Parliamentary Office for the Evaluation of Scientific and Technical Choices (OPECST).

Published on 06/04/2010 at 16:03

Medical imaging: international harmonisation of practices

At a colloquium organised by the World Health Organisation (WHO), 1-3 March 2010, in which the French Nuclear Safety Authority (ASN) participated, representatives of 23 international organisations and learned societies agreed on a "roadmap" aimed at both establishing international good practice guidelines for medical imaging issues and at facilitating their implementation. The "roadmap" also envisages monitoring and evaluation of the impact of this approach for the various clinical situations.

Published on 26/03/2010 at 15:36

ASN publishes report on operating experience feedback

On 20 March 2009, Strasbourg University Hospital reported a greater than normal number of side effects in patients being treated in a radiology department for arteriovenous malformations in the brain. To gain further information, ASN performed investigations and assessments from which it derives conclusions in a report now available at its website,

Published on 17/02/2010 at 10:43

Quarterly assessment of radiotherapy events (fourth quarter of 2009)

Between October 1 and December 31, 2009, 15 radiotherapy events were classified as level 1 on the ASN-SFRO scale[1]. These events, not expected to have any impact on patients’ health, are nonetheless analysed so as to determine the consequences thereof (particularly in terms of organisation) and to prevent them from recurring.

Published on 29/12/2009 at 14:56

Reduction in the threshold for taking stable iodine

On 18 August 2009, the nuclear safety authority adopted a decision reducing the intervention level for the taking of stable iodine (potassium iodide) in the event of a nuclear accident.

Published on 16/12/2009 at 14:50

Management of waste containing enhanced natural radioactivity

By application of the decree of 16 April 2008, setting out the instructions relating to the national plan for the management of radioactive waste (PNGMDR), ASN produced a report on management solutions for waste containing enhanced natural radioactivity.

Published on 30/11/2009 at 12:27

Quarterly report on Grade-1 radiotherapy events (third quarter of 2009)

Between 1 July and 30 September 2009, 9 events were classified as Grade 1 on the ASN-SFRO scale. These events, not expected to have health consequences for patients, are nonetheless analysed for lessons learned (particularly in terms of organisation) and to ensure they do not reoccur.