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The risk assessment process consists of a sequence of steps and substeps. The steps in the process are shown in Figure 3.2 . We divide the process into six steps, and the steps are described in separate sections. The risk evaluation is very briefly described in this chapter and in general, this book does not go into a lot of detail on this process. Chapter 5 explains the principles of risk acceptance criteria, but does not go into the process of deciding whether or not the risk should be accepted because this usually involves wider considerations than just risk.

The activities are not always carried out in the same sequence as shown in Figure 3.2 . Several activities may be performed in parallel, and we may also jump backwards and forwards in the process. The choice of approach may, for example, imply that the competence in the study team must be supplemented with an additional specialist, and delimitation of the study object may require that the project plan be revised. Even if the main steps are always performed, all the substeps defined in the following sections are not relevant for all types of risk assessment.

Figure 3.2 The six steps of a risk assessment.