[Hyperchloremia in bromide poisoning].
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Adult↗
Biomedical subjects
A Despres
Publications and source records attributed to A Despres.
An ALARA approach to the radiological control of foodstuffs following an accidental release.
This article presents a methodology based on two complementary approaches, thus allowing a selection of maximal concentration in foodstuffs for determining appropriate countermeasures. The first approach is based on a minimal and maximal per capita intervention level and takes into account the annual intake of each product. The second one is based on a cost-benefit analysis, comparing the advantages of a countermeasure concerning those products presenting a contamination higher than a given maximal concentration (in terms of reduction of cost of the detriment associated with the risk), with its drawbacks (in terms of cost of the products) in order to select the "ALARA" maximal concentration. This second approach is used as a complement to the first one. The results obtained through these two approaches are given for four products (milk, meat, fresh vegetables, and corn) and two nuclides (Cs-137 and I-131). These are presented for various scenarios: one or various products contaminated by one or various radionuclides. It is concluded that these two approaches are complementary, the first one being related to individual risk and the second to collective risk. Therefore, these approaches are both of interest in the context of the elaboration of modalities for the radiological control of foodstuffs following an accidental release and both methods may be useful for determining appropriate countermeasures.
Accidents↗
[Exposure of industrial origin. Transfer to the environment].
The purpose of this paper is to show how to assess the consequences of gaseous and liquid releases. The following points are studied successively: --atmospheric dispersion and depletion process, in order to evaluate wet and dry deposition; --marine diffusion in order to evaluate the contamination of aquatic products; --the different models permitting to assess the contamination of vegetal and animal products; --the models used for the doses calculations resulting from external exposure due to the plume or the deposit. The calculation of the individual and collective effective dose equivalents is presented for each pathway to man.
Air Pollution, Radioactive↗