JOURNAL DESCRIPTION
The Medical Radiology and Radiation Safety journal ISSN 1024-6177 was founded in January 1956 (before December 30, 1993 it was entitled Medical Radiology, ISSN 0025-8334). In 2018, the journal received Online ISSN: 2618-9615 and was registered as an electronic online publication in Roskomnadzor on March 29, 2018. It publishes original research articles which cover questions of radiobiology, radiation medicine, radiation safety, radiation therapy, nuclear medicine and scientific reviews. In general the journal has more than 30 headings and it is of interest for specialists working in thefields of medicine¸ radiation biology, epidemiology, medical physics and technology. Since July 01, 2008 the journal has been published by State Research Center - Burnasyan Federal Medical Biophysical Center of Federal Medical Biological Agency. The founder from 1956 to the present time is the Ministry of Health of the Russian Federation, and from 2008 to the present time is the Federal Medical Biological Agency.
Members of the editorial board are scientists specializing in the field of radiation biology and medicine, radiation protection, radiation epidemiology, radiation oncology, radiation diagnostics and therapy, nuclear medicine and medical physics. The editorial board consists of academicians (members of the Russian Academy of Science (RAS)), the full member of Academy of Medical Sciences of the Republic of Armenia, corresponding members of the RAS, Doctors of Medicine, professor, candidates and doctors of biological, physical mathematics and engineering sciences. The editorial board is constantly replenished by experts who work in the CIS and foreign countries.
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Medical Radiology and Radiation Safety. 2018. Vol. 63. No. 1. P. 40-47
RADIATION SAFETY
DOI: 10.12737/article_5a855c9d95ff69.76703405
Radiation Situation at the Tailing Dump of the Stepnogorsk Mining-Chemical Combine and Adjacent Territories. Message I.
P.K. Kazymbet, M.M. Bakhtin, E.T. Kashkinbaev, D. Janabaev, Zh.S. Dautbaeva, M.K. Sharipov
Institute of Radiobiology and Radiation Protection of JSC “Astana Medical University”, Astana, Republic of Kazakhstan, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.
P.K. Kazymbet - Director, Dr. Sc. Med., Prof., IAEA expert, Vice-president of Asian Association of Radiation Research, Full Member of the New York Acad. of Sci.; M.M. Bakhtin - Deputy Director, Dr. Sc. Biol., Prof.; E.T. Kashkinbaev - Chief Researcher, PhD Med.; D. Janabaev - Head of Dep., PhD Med.; Zh.S. Dautbaeva - Postdoctoral Student, PhD.; M.K. Sharipov - Head of Lab., Master
Abstract
Purpose: Assessment of the radiation situation at the tailing dump of the Stepnogorsk Mining-Chemical Combine (SMCC) and the settlements around.
Material and methods: The tailing dumps of the SMCC and the settlements near located of Aksu, Kvartsytka and Zavodskaya were objects of the radioecological research. Field expedition studies were performed during the summer period and consisted in carrying out a detailed gamma survey of the territory of the investigated objects and settlements, sampling of surface waters, vegetation, surface and layered soil samples. In settlements, along with sampling and studying the gamma background, the equivalent equilibrium volume activity of radon daughters in residential and industrial premises was determined. To determine the concentrations of the studied radionuclides a background was selected, within which the levels of their global deposition were studied. To calculate the individual effective radiation dose of the population the National Radiation Protection Board methodology was used as the basis.
Results: In the northern part of the tailing dump of the SMCC in the adjoining territory, a radioactive contamination site was found where the specific activity values for 226Ra, 232Th and 210Pb reach values of 1500-2000 Bq/kg. On the territory of the Aksu settlement, 5 local areas with the area from 25 to 1000 m2 were found, with the intensity of ambient dose equivalent of gamma radiation from 0.39 to 0.86 µSv/h. In the Zavodskaya village, two areas with increased levels of gamma radiation intensity were identified.
Conclusion: The obtained results of field work and laboratory analytical studies testify to the negative impact of the tailing dump of the SMCC on the environment of adjacent territories, expressed in contamination of soil, water and vegetation with radionuclides. The nature of the abnormal areas on the territory of the settlements of Aksu and Zavodskaya excludes their origin from the tailing dump of the SMCC. The appearance of these areas of contamination may be due to the use of materials of the 3rd class in sanitary and hygienic standards for improvement and road construction. The probable annual effective dose for the population living in the radioactive local areas of the Aksu ~6.5 mSv/year, at the normal rate of 1 mSv/year from man-made radiation sources.
Key words: uranium, gamma radiation, intensity of ambient dose equivalent, equivalent equilibrium volumetric activity of radon, radionuclides, mining-chemical combine
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For citation: Kazymbet PK, Bakhtin MM, Kashkinbaev ET, Janabaev D, Dautbaeva ZhS, Sharipov MK Radiation Situation at the Tailing Dump of the Stepnogorsk Mining-Chemical Combine and Adjacent Territories. Message I. Medical Radiology and Radiation Safety. 2018;63(1):40-7. DOI: 10.12737/article_5a855c9d95ff69.76703405. Russian.
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