radiation safety Articles
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Radiation risk in the structure of overall risk
Theoretical, methodological, and methodic aspects of the problem of radiation risk analysis are considered. It was shown that the potential risk caused by technogenic exposure cannot be selected practically for certain on the overall risk background relative to exposure of factors of non-radiation nature. The structure of the overall risk, both assessment and of its radiation component is given. ...
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The problems of nuclear security in Georgia
Georgia is carrying out activities to improve nuclear security according to the demands of international standards and rules. The support of developed countries and international organisations is very important to solve the associated problems.Keywords: illicit trafficking, orphan radioactive sources, research reactors, nuclear security, nuclear law, Georgia, international standards, nuclear ...
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Some aspects of producing regulations and guidelines for controlling safety in nuclear and radiation facilities
Because the regulation of nuclear and radiation safety is a national responsibility and in order to keep the use of nuclear energy for the welfare and prosperity of the nation and ensure that the use of nuclear energy is safe for man and the environment and does not promote the proliferation of nuclear weapons, an Atomic Energy Act and related legal regulations and decrees are a must for every ...
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Safety management procedures and practices at Indira Gandhi Centre for Atomic Research
The Indira Gandhi Centre for Atomic Research (IGCAR) operates FBTR (Fast Breeder Test Reactor), KAMINI (neutron source reactor), radiometallurgical laboratory, radiochemical laboratory, reprocessing plant, industrial scale sodium loops, advanced research laboratories, workshops, etc. Codified safety management procedures with systematic surveillance are essential for safe and reliable operations ...
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Ludlum Simulator Order Fulfilled
STS has delivered a new batch of Ludlum 14C simulators to its US Distributor Radiation Safety & Control Services based in Stratham New Hampshire. The meters were supplied with STS's simulated HP260 pancake probes for the simulation of radioactive contamination in a Nuclear Plant. STS's unique gas detection system allows trainers to demonstrate contamination and decontamination but perhaps ...
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Safe-Series multi instrument training
The STS Safe-Series for the first time allows users to create diverse training environments where survey meters and dosimeters can be integrated into the same scenario and respond to the same simulated source. Due to the realistic field pattern and attenuation and shielding characteristics of the simulated radiation field trainees can quickly learn the principles of radiation safety and see real ...
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The assessment of the environmental and public impact of the on-shore storage facility for dispositioned N/SM reactor compartments in the North-West region of Russia
This paper deals with the environmental and public impact of radiation factors of the land-based storage facility being designed for dispositioned N/SM reactor compartments in the Russian North-West region. The capacity is sized to accommodate reactor compartments of all the Russian North Navy N/SM after their disposition. Based on the study results, it can be concluded that the creation of this ...
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Standardised geo–sensor webs and web–based geo–processing for near real–time situational awareness in emergency management
Up–to–date, accurate, and reliable information is fundamental for time–critical decision support and sustainable emergency management. In this paper, we show how standardised geo–sensor webs, in combination with web–based geo–processing, can enhance efficiency in emergency response and management, demonstrated in the field of radiation safety. We focus on end user and information requirements and ...
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Documented optimum and threshold for ionising radiation
A concept of the complete dose-response curve of ionising radiation will allow us to live in harmony with this ubiquitous agent. Convincing data show ionising radiation is essential for life. Ambient levels of ionising radiation (about 2 mSv/y without medical and cosmic radiation) are adequate for life but insufficient for abundant health. We live with a partial deficiency of ionising radiation. ...
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Accounting and control of sources of ionising radiation and radioactive materials
The paper describes the various elements of the state accounting and control system of radioactive materials and radioactive waste in the Russian Federation, and some of the tasks to be carried out for the development and improvement of the system. A list and short description of documents of this system and structure and the organisation scheme of the system are also presented.Keywords: state ...
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Ecological solution of the problem of handling liquid radioactive wastes – LRW (by the example of FSUE SSC RF RIAR)
A sharp reduction of nuclear waste amounts is possible if their elements are considered as source material of atomic complexes – SMAC. The prospect of their possible salvaging will require technological changes and ensuring safety of storage of the material till the need arises. Long experience in deep liquid radioactive waste disposal and accounting, calculations, and motivations demonstrate ...
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Low-dose radiation risk and the linear no-threshold model
The Linear No-Threshold (LNT) model has been traditionally used in the field of radiation safety. Public attention to and debate on this model increased after estimates that current Computed Tomography (CT) procedures in the USA will ultimately be responsible for up to 2% of cancers. However, there is evidence that in the mGy range, low doses not only cause a relatively low probability of ...
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Tectonic processes development with time in the areas of HLW disposal from expert assessment to prognosis
A methodical approach is given which is applied to prediction of the persistence of the natural isolation properties of the geological environment for a time period of 104–105 years, when disposing of radioactive waste in geological formations. It is based on modelling geodynamic and tectonic processes development with time and assessing their effects on the persistence of structural tectonic ...
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Development of the RAW and SNF handling system in the Federal Atomic Energy Agency and in the Russian Federation
The experience the Russian Federation has gained over the period longer than half a century in handling radioactive wastes (RAW), including their burial in geological formations, is quite unique. These guidelines state the necessity of establishing an integrated state RAW and spent nuclear fuel (SNF) handling system, ensuring safe, effective, efficient, and socially-acceptable development of ...
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Development of the technology for localisation and isolation from biosphere of outdoor liquid radwaste storage basins
The approaches were proposed for localisation and isolation of outdoor liquid radwaste storage basins from the biosphere. The lab research findings showed immobilisation of radioactive sludges into a compound and drying-up of liquid phase using porous vitrocrystalline forms (VCF) using as example actual solid and liquid phases from the MCC's storage basins. The effectiveness of the radionuclide ...
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Health monitoring of persons occupationally exposed to ionising radiation in Bulgaria
This paper describes changes in Bulgarian legislation concerning the health monitoring of occupationally exposed individuals to ensure the radiation safety and protection of radiation workers. The expert view on the implementation of health monitoring programmes to different occupational groups and assessment of health risk, including molecular-epidemiological analyses, is given. Special ...
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Vietnam: ensuring safety and security for peaceful uses of atomic energy
Atomic energy applications have been developed and used in various sectors of the national economy in Vietnam. Recently, the Government has approved the 'Strategy for Peaceful Uses of Atomic Energy up to 2020'. The government has also acknowledged that to ensure safety and security for the development of atomic energy applications, it is especially essential to strengthen the state management in ...
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'Early' leukaemia effect in prolonged exposure with high doses
Unique information from the medical dosimetric register of the IC 'Mayak' personnel (SUrIBPh) was used relating to the starting period of the beginnings of the Russian nuclear branch, when the personnel were exposed to doses that exceeded all modern standards. Earlier (2–5 years after the beginning of exposure), the dynamics of leukaemia morbidity was found among the personnel exposed to ...
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Overview of regulatory control for radioactive sources and nuclear materials for peaceful applications of nuclear technology
With an increase in the use of nuclear energy, radiation and radioactive substances, it is essential to invigorate, reinforce and enhance the effectiveness of the elements of national radiation protection and safety infrastructure. This also includes the addition of feasible and affordable ways and means to the national safety infrastructure with subsequent strengthening in the future. In order ...
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Tritium migration in nuclear desalination plants
Tritium transport, as one of important items of radiation safety assessment, should be taken into consideration before construction of a Nuclear Desalination Plant (NDP). The influence of tritium internal exposition to the human body is very dangerous because of 3H associations with water molecules. The problem of tritium in nuclear engineering is connected to its high penetration ability ...
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