8.14. The level of scrutiny and the scope of the regulatory review of a safety case should follow a graded approach. Decisions about the depth and extent of the review process should take into account the following: @@- The stage of development and operation of the disposal facility or component of the disposal system;@@- The magnitude of the hazards and risks (consequences and probabilities) in the period after closure, with consideration given to relevant site factors, facility design aspects, the waste to be disposed of, the likelihood of human intrusions, etc.;@@- The complexity, safety significance and maturity of the proposed disposal facility or component of the disposal system;@@- The use by the operator of well established practices, procedures and designs;@@- Available knowledge of the operational performance of similar facilities or practices;@@- Operator aspects (e.g. the operator’s record of performance and their relevant experience in the design and construction of a disposal facility or component of the disposal facility; in process design; in development of safety cases; and in establishing and applying management systems);@@- Relevant experience from similar disposal facilities (national and international);@@- Technical or safety concerns of other competent authorities.