DS 447 Predisposal Mgt. We must emphasize, eating bananas, working as airline flight crew or living in locations with, increases your annual dose rate. Radiation uses Despite its dangers to living organisms, it’s still possible to use radiation for a number of useful purposes. The attributes of naturally decaying atoms, known as radioisotopes, give rise to their multiple applications across many aspects of modern day life (see also information paper on The Many Uses … Many uses of radiation help to ensure the high quality and safety of our daily lives. These uses of radioactive substances results in the production of radioactive waste. A radioactive half-life means that in this case, in 24,000 years, half of the ionizing radiation will have decayed, then in another 24,000 years half of that radiation will decay, etc. INTRODUCTION 1. They can give off alpha particles, beta particles and gamma radiation. 4 As a pioneer in the development and use of nuclear technology, the UK has accumulated a substantial legacy of radioactive waste from various civil and defence programmes. • uses of radiation and radioactive materials in medicine, agriculture, industry and research; • processing of materials that are naturally radioactive, such as uranium ores. This is known as radioactivity. Radionuclides are also artificially produced in nuclear reactors. It is used in some 40 million diagnostic procedures per year. Safety Standards –Safety Case for RWM SSR-5 Disposal of RW SSG-29 Near Surface Disposal SSG-23 SC / SA for disposal SSG-14 Geological Disposal LLW HLW GSR Part5 Predisposal Mgt. Nuclear and uranium wastes must be managed and disposed of in ways that ensure the protection of Industrial Uses There are many industrial uses of radioactive materials, including material density evaluation, product sterilization, quality control, static elimination, and electricity generation. An x-ray machine uses radiation to look inside your body. Unlike X-ray sources they cannot be turned off, so their control is more difficult. The process releases energy chiefly in the form of nuclear radiation. The attributes of naturally decaying atoms, known as radioisotopes, give rise to their multiple applications across many aspects of modern day life (see also information paper on The Many Uses … Trained technicians use radiography to image materials and products much like a dentist uses radiation to x-ray your teeth for cavities. Gamma Rays come from the decay of radioactive elements here on Earth. Radioactive waste, arising from civilian nuclear activities as well as from defence-related nu clear-weapon activities, poses a formidable problem for handling and protecting the environment to be safe to the present and future generations. Uses of alpha radiation Ionisation is useful for smoke detectors. used diagnostic radioisotope, gives the patient a very low radiation dose. Doctors can use radioactive chemicals as tracers.Diseased or damaged parts of the body contain particular chemical concentrations. Radiation from Potassium-40 – Is it dangerous? Ionising radiation is emitted during this process. NATO ASI Series (Series 2: Environment), vol 13. 5. Radiation safety advice and training services to private defence organisations contracted to, or on behalf of, the Ministry of Defence Support to the corporate level of organisations managing work across defence and aerospace sites, including radiation protection advice and focussed training of senior management to help develop a robust radiation protection framework The Committee has bcen interested in evaluating occupational radiation exposures to determine the annual collective dosc to In addition to this, radioactive tracers and radiation sources have become indispensable to all the agricultural research problems. Sealed radioactive sources are used in industrial radiography, gauging applications, and mineral analysis. radiation sources and radioactive materials became imperative. This necessitates the mass-rearing of large numbers of male insects which are sterilized Radioactive substances are atoms that decay naturally. The concept of defence in depth was therefore gradually refined to constitute an increasingly effective approach combining both prevention of a wide range of RADIATION IN DEFENCE OF THE OLIVE CROP Entire insect populations can sometimes be eliminated, under suitable circumstances, by the "sterile male tech nique ". Further, radioactive substance or radioactive material is defined in section 2(1)(g) of the Atomic Energy Act, 1962 (33 of 1962) as any substance or material which spontaneously emits radiation in excess of the levels prescribed by notification by the Central Uses of Radiation Ionisation Nuclear radiation ionises materials. Radioactive Decay and Half-Life: Radioactive decay is the process by which a nucleus spontaneously (naturally) changes into the nucleus of another isotope or element. This changes atoms or molecules into charged particles. Smoke detectors to warn us of fire, x-ray machines to detect weapons or other devices in luggage and cargo, and certain types of imaging to look for diseases are all application of radiation for the benefit of society. There are many industrial applications that rely on radioactivity to assist in determining if the material or product is internally sound and fit for its application. Gamma Radiation – Gamma rays are made of the same particles as non-ionizing radiation, but at much, much higher energies. of the basic safety functions of controlling the power, cooling the fuel and confining radioactive material. from Fuel Cycle Facilities GSG-3 SC Millions of hospital patients have benefited from the therapeutic and diagnostic uses of Waste continues to be produced where radioactive materials are used. The nuclear Cite this chapter as: Pozolotina V. (1996) The Effect of Ionizing Radiation on Communities of Organisms. 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