Major : ① No accidents, injury & illness are tracked or incomplete records for last 3 years.
② Accidents are tracked but no analysis, investigation or corrective actions.
ㆍMinor : ① Accidents, injuries, illnesses tracked, analyzed & prevented but no formal procedure or corrective actions
* reference : accident reports, report of disease outbreaks, improve information after an accident report, monitoring records about post-emergency response, etc.