The current content of artificial radionuclides in the water of the Tobol-Irtysh river system (from the mouth of the Iset River to the confluence with the Ob River)

• Published in: Journal of environmental radioactivity Vol. 96; no. 1-3; pp. 138 - 143
• Main Authors: Nikitin, AI, Chumichev, V B, Valetova, N K, Katrich, I Y, Kabanov, AI, Dunaev, GE, Shkuro, V N, Rodin, V M, Mironenko, AN, Kireeva, E V
• Format: Journal Article
• Language: English
• Published: 01-01-2007
• Subjects: Freshwater; Russia, Techa-Iset R; Kazakhstan, Irtysh R; Russia, Chelyabinskaya, Iset R; Russia, Krasnoyarskiy, Ob R; Kazakhstan, Tobol R; Russia, Siberia, Ob R
• ISSN: 0265-931X
• DOI: 10.1016/j.envrad.2007.01.023

Data on content of super(90)Sr, super(137)Cs, super(239,240)Pu and super(3)H in water of the Tobol-Irtysh part of the Techa-Iset-Tobol-Irtysh-Ob river system (through which the Mayak PA radioactive wastes are transported) are presented and discussed. The data were received in 2004-2005 under the ISTC project on radioecological monitoring of the Tobol and Irtysh rivers. Monthly observations of super(137)Cs, super(90)Sr and super(3)H content in water in the area of the Tobol and Irtysh confluence have been conducted starting from May 2004. To obtain information on the investigated river system as a whole, the radioecological survey of the Tobol and Irtysh rivers at the section from the mouth of the Iset River to the confluence with the Ob River was carried out in 2004. It is shown that the impact of Mayak PA waste transport by super(90)Sr is distinctly traced as far as the area of the Irtysh and Ob confluence.