For example radioactive isotopes have a nucleus which is unstable, and will release energy in the form of radiation. It should be noted that the outrage factor must be considered as part of the consequences of an incident. The outrage factor can greatly magnify risk. We can however, assess the likelihood of an incident by using statistics to measure probability in many cases. The term safe is used to denote a situation or condition where there is minimal acceptable risk, i.e. where the risk is tolerable to stakeholders.
Risk assessment is the overall process of risk analysis and risk evaluation.
The objectives of risk analysis are to separate the minor acceptable risks from the major risks, and to provide data to assist in the evaluation and treatment of risks. A risk analysis is essentially a what if analysis where various scenarios are visualised. It is a proactive activity based partly on experience. Risk Analysis of Technological Systems Application Guide, gives guidance in this area. Environment - the risk of damaging the environment during production, or providing an environmentally unfriendly product.