1.16. In accordance with the graded approach, as required in the International Basic Safety Standards and other standards [3, 13, 14], the ability of the chosen disposal system to provide containment of the waste and to isolate it from people and the environment will be commensurate with the hazard potential of the waste.The requirements set out in this Safety Requirements publication apply to all types of disposal facility. However, the extent of provisions necessary to meet the requirements will vary in accordance with the graded approach. This is reflected in the Safety Guides for the different types of facility mentioned in para. 1.14.