Abstract
There has been great concern about the health risks associated with exposure to radioactivity present in soil, thus in this present study, absorbed dose rate measurements were carried out at some selected samples of contaminated soil. The purpose is to examine to what extent such measurements can be used to delineate the effect radiation to the workers and to assess the radiation risk of radioactive waste management personnel by calculating the annual dose of external radiation exposure and the amount of radioactive dose absorbed by the workers. Ladlum detector used to measure the exposure dose rate (µR/h). The germanium system was used to analyze the samples collected from the decontamination processes, the activity concentration ranged from (1026.21 to 25961.5) Bq/kg. The value of the annual dos rate vary between (5.55E-05 to.40E-03) Sv/h.
Highlights
Radioactive waste (RW) is generated from various processes related to nuclear programs
The two main pathways that lead to radiation exposure to the general public because of the "consequences" are the external exposure of radionuclides deposited on the ground and internal exposure by eating contaminated food produced in polluted areas
In order to assess the current environmental pollution and contributions from external exposure due to radioactive industrial radionuclides, and the transfer of these radionuclides to the soil leads to the cause of pollution, and should be treated as areas contaminated and must conduct decontamination operations, can be used and the activities of decontamination processes to achieve several objectives, such as the reduction of occupational radiation exposure, and reduce the potential release of pollutants on the environment, and allow the re-use of components, and facilitate waste management
Summary
Radioactive waste (RW) is generated from various processes related to nuclear programs. Agricultural and scientific research, oil and gas extraction fields as well as by increasing the natural radioactivity of natural radionuclides in the soil at the permissible limits [1] These isotopes can seep into soil as a result of natural or unnatural factors (negligence), or because of lack of knowledge of radiation protection and the risk of such, such cases have been generated. In order to assess the current environmental pollution and contributions from external exposure due to radioactive industrial radionuclides, and the transfer of these radionuclides to the soil leads to the cause of pollution, and should be treated as areas contaminated and must conduct decontamination operations, can be used and the activities of decontamination processes to achieve several objectives, such as the reduction of occupational radiation exposure, and reduce the potential release of pollutants on the environment, and allow the re-use of components, and facilitate waste management. The main purpose of the safety assessment is to determine whether an adequate level of safety of an facility or activity has been achieved and whether the basic safety objectives and safety standards developed by the designer, operator and regulatory body have been met [3]
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