Data gathered from various sources during the course of an incident investigation that help the investigators form a conclusion as to the cause of the incident.
A group of personnel who are experienced in incident investigation, including a subject matter expert.
incident report
A formal written document that is an account of the results of an incident investigation. Key sections of the report include background information, an account of the accident, discussion, and recommendations.
indirect cause
A cause that is the result of intervening or unplanned factors such as unsafe work practices or unsafe work conditions.
interview
A formal, structured conversation in which facts or statements are obtained from a witness.
The process of breaking a job into basic steps, identifying the hazards associated with each step, and the controls for each hazard. The analysis is reviewed as part of an incident investigation or developed if there is not an existing analysis.
An event that could have resulted in a serious incident, but for which there was no incident. The investigative and reporting requirements are the same for a near miss as for an actual incident.
Also referred to as basic cause. A significant, fundamental cause of an incident that includes safety and policy decisions, personal factors, and environmental factors.
Person who physically observed an incident, events leading to an incident, or post-incident events. Could also be a person who has information regarding causal factors.