Control of Aerosol and Gaseous Compounds of Iodine Isotopes in the Ventilation System of the IVV-2M Reactor Facility
The activity of the aerosol form and gaseous compounds of iodine isotopes in the ventilation system of the IVB-2M reactor facility has been estimated. The contributions of aerosol and gaseous forms of iodine to the total volumetric activity have been determined simultaneously. Criteria of homogeneity of sorbed iodine compounds are determined by analyzing the dependence of the activity distribution over the layers of a multilayer filter. The study allowed determining the form in which radioactive iodine is supplied to the space above the surface of the coolant water-cooled pool type research reactor. It is shown that iodine activity in the air of the ventilation system of the reactor facility is mainly due to gaseous hardly absorbable compounds.