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FIGURE A-1 Percentages of volume and radioactivity of low-level radioactive waste by source.
level, however, disposal sites must be designed to protect both humans and the environment for 100 years. For example, institutional control of the site for a century is required, including measures to preclude inadvertent disturbance. The site must be a suitable distance from groundwater and surface waters and located in a region where earthquakes and volcanic activity are very low probability