After this first minimization has been performed, remaining waste should be disposed in an appropriate waste disposal. This study address the specific problem of industrial non-hazardous or hazardous waste and thus the only choices could be non-hazardous or hazardous landfills, but also landfills specifically dedicated to NORM wastes could be considered. Each option provides increasing levels of protection against the impact of any toxic element, also for the radioactivity, to the environment.