Izvestiya vuzov. Yadernaya Energetika

The peer-reviewed scientific and technology journal. ISSN: 0204-3327

Radioecological Monitoring and its Role in Ensuring Safety of Nuclear Power Plants

12/08/2021 2021 - #04 Nuclear power plants

Fesenko S.V. Sanzharova N.I. Karpenko E.I. Isamov N.N. Kuznetsov V.K. Panov A.V. Tsygvintsev P.N.

DOI: https://doi.org/10.26583/npe.2021.4.02

UDC: 614.7:621.039.58

Methodological approaches are outlined for organizing radiological and environmental monitoring in the nuclear power plant location areas. An analysis of the monitoring results from the Beloyarsk, Kursk, Leningrad and Rostov NPPs has shown that the contribution of the natural radiation background to the public exposure dose varies within a narrow range of 3.13 to 4.16 mSv per year, and doses from the existing man-made contamination varies in a range of 0.47 (Rostov NPP) to 150 mSv per year (Beloyarsk NPP). The variability of exposure doses is explained both by the effects of the natural and climatic conditions and by the impact from other sources of contamination and by differences in electricity generation technologies. The man-made radiation background in the Beloyarsk NPP area is defined by the environmental contamination as the result of earlier activities and that in the Leningrad NPP and Kursk NPP areas is associated with the Chernobyl fallouts (91 and 14 μ Sv per year respectively). The contribution of NPPs to the existing man-made radiation background varies in a range of 1% (Rostov NPP) to 10 – 11% (Kursk NPP and Beloyarsk NPP).

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nuclear power plant radiation safety radiological and environmental monitoring exposure doses man-made contamination