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Abstract: Dust storms are significant natural phenomena capable of transporting radionuclides and heavy metals over long distances. Dust storms are an important factor in the spread of radioactive substances in the environment. They are capable of transporting and accumulating radon and radium, which can subsequently create a potential threat to the environment. The results of ²²²Rn, 226Ra and 238U activity measurements in the Tashkent dust storm are clearly important for monitoring of the radiation situation in the Republic of Uzbekistan.
In this work, the specific activity of the daughter radionuclide ²²²Rn was measured at the equilibrium activities with parent radionuclides 226Ra and 238U in Tashkent dust samples taken from the dust storm that occurred in Tashkent at November 8-11, 2021. For registering α - tracks of the ²²²Rn and its decay products was used track detector CR-39
