What information on radioactivity around nuclear facilities?

This article treats the information given on radioactivity around the nuclear installations and gives an extract of the recommendation of the High Committee for the transparency and information on the nuclear safety. The regulatory obligations are reported and discussed through the example of the Tricastin event. The accessibility of information could be improved and it matters that this information is more understandable for the public. Beyond expectations, information must be more credible in the public eyes. (N.C.)