title: [Ranking of radionuclides and pathways according to their contribution to the dose burden to the population resulting from NPP releases].
abstract: Approaches are described towards estimating the consequences of radioactive contamination of ecosystems by nuclear fuel cycle enterprises with the rationale for the optimal specification level for nuclear power plants (NPP) operating in the normal mode. Calculations are made based on the initial data of the IAEA project, INPRO ENV, dealing with the ranking of radionuclides escaping to the environment from the operating NPPs. Influence of various factors on rankings of radionuclides and pathways of public exposure is demon- strated. An important factor is the controlled radionuclide composition of atmospheric NPP releases. It has been found that variation in the dose coefficients for some radionuclides leads to significant changes not only in the ranking results but also in the estimates of total dose burdens. Invariability is shown of the estimation concerning the greatest contribution of the peroral route to the population dose of irradiation in the situation considered. A conclusion was drawn on the need of taking into consideration uncertainties of different factors when comparing effects on the environment from enterprises of conventional and innovative nuclear fuel cycles.
authors.forename: S I
authors.initials: SI
authors.lastname: Spiridonov
authors.forename: E I
authors.initials: EI
authors.lastname: Karpenko
authors.forename: L A
authors.initials: LA
authors.lastname: Sharpan
mesh_terms: D017753:Ecosystem; D004781:Environmental Exposure; D006801:Humans; D053858:Metabolic Networks and Pathways; D055848:Nuclear Power Plants; D009688:Nuclear Reactors; D011153:Population; D011829:Radiation Dosage; D018788:Radioactive Hazard Release; D011848:Radioactive Pollutants / Q000009:adverse effects / Q000145:classification*; D011868:Radioisotopes / Q000009:adverse effects / Q000145:classification*; D014875:Water Pollutants, Radioactive / Q000009:adverse effects / Q000145:classification
chemical_list: D011848:Radioactive Pollutants; D011868:Radioisotopes; D014875:Water Pollutants, Radioactive