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The reliable supply of molybdenum-99 (99Mo) and its decay product, technetium-99m (99mTc), is a vital component of modern medical diagnostic practices. At present, most of the global production of 99Mo is from highly enriched uranium (HEU) targets. However, all major 99Mo-producing countries have recently agreed to convernt to using low-enriched uranium targetts for the production of 99Mo. This report describes the market impact of this conversion both in terms of costs, available capacity as well as the policy actions that are needed.  

Radioactivity --- Nuclear energy --- Atomic energy --- Atomic power --- Energy, Atomic --- Energy, Nuclear --- Nuclear power --- Power, Atomic --- Power, Nuclear --- Force and energy --- Nuclear physics --- Power resources --- Nuclear engineering --- Nuclear facilities --- Nuclear power plants --- Nuclear reactions --- Radiation

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Performance assessment of repository concepts for the geological disposal of long-lived radioactive waste relies on the availability of thermodynamic data for many radionuclides and other elements under a wide range of physico-chemical conditions. For the past ten years, the OECD Nuclear Energy Agency (NEA) has been co-ordinating a multinational effort to produce a database of selected thermochemical values that would satisfy the requirements of the various national programmes in Member countries. This project is known as the NEA Thermochemical Database (TDB) Project. This publication contains the full papers and summary discussion records of a workshop attended by scientists active in the field of chemical thermodynamics and experts in repository performance assessment who use the thermochemical databases for their evaluations. During the workshop, participants discussed current experimental and theoretical standpoints, new data requirements and the peculiarities of their application in performance assessment.

Radioactive pollution -- Congresses. --- Radioactive waste disposal -- Congresses. --- Radioactivity -- Safety measures -- Congresses. --- Thermochemistry -- Databases. --- Radioactive waste disposal --- Thermochemistry --- Radioactive pollution --- Radioactivity --- Environmental Engineering --- Civil & Environmental Engineering --- Engineering & Applied Sciences --- Safety measures --- Nuclear waste disposal --- Nuclear reactions --- Radiation --- Chemistry, Physical and theoretical --- Thermodynamics --- Heat --- Nuclear engineering --- Refuse and refuse disposal --- Spain --- Déchets radioactifs --- Thermochimie --- Pollution radioactive --- Radioactivité --- Congresses --- Databases --- Elimination --- Congrès --- Bases de données --- Sécurité --- Mesures