Assessment of radioecological environment of Kalachi village in Akmolin region

Abstract

The article presents the results of research of the radioecological situation in Kalachi village of Akmola region due to sleepy sickness. No radioactive contamination was detected in the territory of Kalachi
village. Established levels of external dose from natural gamma radiation are on average 0.2 μSv/h. In the
environment (drinking water and surface watercourses) of Kalachi, the content of man-made radionuclides has not been detected, or it is at the level of the background of global precipitation. Content of
natural radionuclides is typical for the Republic of Kazakhstan. However, studies of basement premises
revealed an excess of radon concentration of 3-6 times compared to the standards.
Key words: radon, gamma radiation, dosimetry, radionuclides, sleeping sickness