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Radioecological research of the Beloyarskaya NPP cooling pond before the Unit No 4 BN-800 commissioning

https://doi.org/10.25016/2541-7487-2016-0-2-82-88

Abstract

The study presents the results of the research of the bottom sediments, aquatic vegetation, fish of the Beloyarskoe storage pond - the cooling pond of the NPP - for the purpose of determination of the artificial radionuclides:90Sr,137Cs, and239,240Pu content before the Unit #4 BN-800 commissioning («zero level» survey). It is shown that earlier the pond received137Cs and, in small amount,239,240Pu. The higher content of137Cs was found in the bottom sediments of the industrial and storm discharge channel, Teplyi bay, and in the area of the Biophysical station. At that137Cs and 239, 240Pu volumetric activity in the water of the Beloyarskoe storage pond was 3-4 orders of magnitude below the intervention level, and 90Sr content was two orders of magnitude below the intervention level, provided by Radiation safety regulations (NRB-99/2009). The data on90Sr и137Cs content in two species of the aquatic vegetation are presented and the accumulation coefficient for Potamogeton pectinatus and Ceratophyllum demersum were calculated (2656 and 1381 for137Cs and 4706 and 2600 for90Sr correspondingly).90Sr and137Cs content in three species of fish (bream, roach, perch) is considerably below the permissible values provided by the Sanitary and epidemiological requirements and codes 2.3.2.1078-01.

About the Authors

Aleksandr Viktorovich Trapeznikov
Institute of Plant and Animal Ecology, Russian Academy of Science, Ural branch
Russian Federation


Aleksandr Vasil’evich Korzhavin
Institute of Plant and Animal Ecology, Russian Academy of Science, Ural branch
Russian Federation


Vera Nikolaevna Trapeznikova
Institute of Plant and Animal Ecology, Russian Academy of Science, Ural branch
Russian Federation


Anatolij Petrovich Plataev
Institute of Plant and Animal Ecology, Russian Academy of Science, Ural branch
Russian Federation


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Review

For citations:


Trapeznikov A.V., Korzhavin A.V., Trapeznikova V.N., Plataev A.P. Radioecological research of the Beloyarskaya NPP cooling pond before the Unit No 4 BN-800 commissioning. Medicо-Biological and Socio-Psychological Problems of Safety in Emergency Situations. 2016;(2):82-88. (In Russ.) https://doi.org/10.25016/2541-7487-2016-0-2-82-88

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ISSN 1995-4441 (Print)
ISSN 2541-7487 (Online)