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Up-to-date concentrations of long-lived artificial radionuclides in the Tom and Ob rivers in the area influenced by discharges from Siberian chemical combine

Nikitin, A.I. ; Kryshev, I.I. ; Bashkirov, N.I. ; Valetova, N.K. ; Dunaev, G.E. ; Kabanov, A.I. ; Katrich, I.Yu ; Krutovsky, A.O. ; Nikitin, V.A. ; Petrenko, G.I. ; Polukhina, A.M. ; Selivanova, G.V. ; Shkuro, V.N.

Journal of environmental radioactivity, 2012-06, Vol.108, p.15-23 [Periódico revisado por pares]

England: Elsevier Ltd

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Título:
Up-to-date concentrations of long-lived artificial radionuclides in the Tom and Ob rivers in the area influenced by discharges from Siberian chemical combine
Autor: Nikitin, A.I. ; Kryshev, I.I. ; Bashkirov, N.I. ; Valetova, N.K. ; Dunaev, G.E. ; Kabanov, A.I. ; Katrich, I.Yu ; Krutovsky, A.O. ; Nikitin, V.A. ; Petrenko, G.I. ; Polukhina, A.M. ; Selivanova, G.V. ; Shkuro, V.N.
Assuntos: 137Cs ; 239,240Pu ; 90Sr ; Bottom sediments ; Contamination ; Density ; Flood-plain soil ; Geologic Sediments - analysis ; Liquids ; Ob river ; Radiation Monitoring ; Radioisotopes - analysis ; Reactors ; River water ; Rivers ; Rivers - chemistry ; Russia ; Shutdowns ; Siberian chemical combine ; Soil - analysis ; Soil contamination ; Soils ; Tom river ; Water Pollutants, Radioactive - analysis
É parte de: Journal of environmental radioactivity, 2012-06, Vol.108, p.15-23
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
Descrição: The Siberian Chemical Combine (SCC) is located in Seversk (formerly known as Tomsk-7) in the Tomsk Region of the Russian Federation. The main contribution of radionuclides in the SCC process water discharged into the Tom River was from the single-pass reactors, now removed from service (the last SCC reactor was shutdown on June 5, 2008). The data on the concentrations of 90Sr, 137Cs, 239,240Pu and other artificial radionuclides in water, bottom sediments and flood-plain soils of the Tom and Ob rivers from Tomsk to the confluence of the rivers, are presented and discussed. The results of measurements carried out after shutdown of the last SCC single-pass reactor indicated no radiologically significant consequences of SCC activities for the studied water environment compartments. Contemporary activity concentrations of long-lived artificial radionuclides 3H, 90Sr, 137Cs and 239,240Pu in river water were below the intervention levels established by current regulations of the Russian Federation for these radionuclides. The results of 3H analysis in water from the Tom and Samuska rivers demonstrated no inflow of contaminated formation water to surface water from the sites where liquid radioactive wastes of the SCC were injected below the surface. However, the density of flood-plain soil contamination by long-lived 137Cs in the area influenced by SCC liquid discharges was higher than regional technogenic background. There were local flood-plain areas contaminated not only by 137Cs, but also other gamma-emitters, such as 60Co and 152Eu.
Editor: England: Elsevier Ltd
Idioma: Inglês

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Up-to-date concentrations of long-lived artificial radionuclides in the Tom and Ob rivers in the area influenced by discharges from Siberian chemical combine

Nikitin, A.I. ; Kryshev, I.I. ; Bashkirov, N.I. ; Valetova, N.K. ; Dunaev, G.E. ; Kabanov, A.I. ; Katrich, I.Yu ; Krutovsky, A.O. ; Nikitin, V.A. ; Petrenko, G.I. ; Polukhina, A.M. ; Selivanova, G.V. ; Shkuro, V.N.

England: Elsevier Ltd

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