2.2.2. Diagnosis of control and assurance activities FSMS control and assurance indicators comprised 29 and 9 in dicators respectively. For each control and assurance activity, the the level or situation that best describe performance levels of their activities, whether "not conducted or applied' (situation 1), basic (situation 2), average (situation 3) or advanced (situation 4). Situation 1 means the activity is not implemented or not conducted (score o) The basic level (situa- use of own experience, tion?) for control activities is typified by general knowledge, ad-hoc analysis, incomplete descriptions or registration or programmes, not bench-marked, instability and/or regular problems. The basic level (situation 2) for assurance activ ities is characterized by problem-driven situations which are only checked, rarely reported and lack of independence. The average level situation 3) for control activities makes use of expert (supplier) knowledge, sector or governmental guidelines, best practices and standardized methods with occasional problems. The average level for assurance activities corresponds with active translation of stakeholder requirements, extra analysis and docu- mentation of the system, regular reporting of status, and input of experts. The advanced level (situation 4) means that the control or assurance activity is characterized by use of specific information, science-based knowledge, critical and in-depth analyses, attic methodology and autonomous positions (Luning et al. 2009).