Risk
Risk is the combination of the probability of an abnormal event or failure and the consequences of that event to workers and community. The risk from a substance is the likelihood that it will cause harm in the actual circumstances of use. This is dependent on the hazard of the substance. Risk reflects the likelihood of occurrences of harm and its severity. Poor control can create substantial risk from a substance with low hazard and good control can reduce the risk of a substance with high hazard. There can be no risk without a hazard
An exposure to harm can be termed as a danger. Danger can be associated with substances where there is a distinct possibility of energy above the tolerance level. The characteristics of hazard and risk different.Hazard are facts whereas risk is subjective.