Appendix I. The notification interval is the time between injury occurrence and receipt of the call by the control facility of the emergency medical services; The activation interval is the time from receipt of the call by EMS facility control to departure of the ambulance from its depot; The response interval is the time from the ambulance departure to arrival on the crash scene; The on-scene interval is the time between ambulance arrival on the scene and departure from the scene. It consists of the patient access interval, initial assessment interval, scene treatment interval and patient removal interval; The transport interval is the time from departure of the ambulance from the scene to arrival at the hospital; The delivery interval is the time between arrival of the ambulance to the hospital and the delivery of the patients or victims to the emergency ward; The total pre-hospital time interval is the time between the initial call receipt by the EMS control facility and the ambulance’s arrival at the hospital; and the recovery time interval is the time between the emergency medical service personnel leaving the hospital and arriving back at the ambulance depot.