Due to the massive pollution of the Techa-Iset river system with the radioactive sewage of the Mayak industrial association in the 1950s, the factors responsible for the incidence of diseases were studied in 5 districts of the Kurgan Region along the territory of which rivers flow. There is a direct relationship of children's morbidity to ambient air pollution. The determinants of adult morbidity are air pollution and water quality. There is an inverse correlation of morbidity with the provision with therapists and with the economic indices of districts. The prevalence of some types of diseases, such as those of the endocrine and respiratory systems, ulcer disease correlates with the ranking position of a district in the level of pollution in the Techa and Iset Rivers.
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[Carcinogenic risk in residents of the Techa riverside villages].
Vestn Ross Akad Med Nauk
August 2010
The paper summarizes carcinogenic risk estimates in residents of the Techa riverside villages who have been exposed for many years to radiation due to discharge of radioactive wastes from the Mayak Production Association into the Techa-Iset-Tobol-Ob river system. Analysis of cancer incidence and mortality data has shown a statistically significant dose-dependent increase in the risk of both malignant tumors and leukemia. The dependence of excess relative risk on exposure dose is well described by a linear model.
View Article and Find Full Text PDFThe river Iset belongs to the Techa-Iset-Tobol-Irtysh-Ob system contaminated by liquid radioactive wastes from Mayak plutonium facility in 1949-1956. This study represents the first retrospective analysis of postmortem measurements of 90Sr in bones from residents of the Iset riverside settlements in 1960-1982. It was shown that 90Sr concentration in bones of residents lived in settlements located downstream from the Techa river mouth (Shadrinsk, Isetskoye, Yalutorovsk) was 5 times higher than average 90Sr concentration in bones of the Russian residents.
View Article and Find Full Text PDFThis paper presents the results of radioecological study of the Iset River and riverside settlements in 1961-2002. In 1961, specific activity of 90Sr in the Iset River water below the Techa River mouth was 44.4 Bq/l and decreased to 3.
View Article and Find Full Text PDFDue to the massive pollution of the Techa-Iset river system with the radioactive sewage of the Mayak industrial association in the 1950s, the factors responsible for the incidence of diseases were studied in 5 districts of the Kurgan Region along the territory of which rivers flow. There is a direct relationship of children's morbidity to ambient air pollution. The determinants of adult morbidity are air pollution and water quality.
View Article and Find Full Text PDFThe 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).
J Environ Radioact
November 2007
SI RPA Typhoon of the Roshydromet, 82, Lenin avenue, Obninsk, Kaluga region 249038, Russia.
Data on content of (90)Sr, (137)Cs, (239,240)Pu and (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 (137)Cs, (90)Sr and (3)H content in water in the area of the Tobol and Irtysh confluence have been conducted starting from May 2004.
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