Table 2. Open in new tab Illustration of...

Table 2.

Illustration of the severity of hazard events.

Severity level	The consequence to persons or the environment	The consequence to the service
Catastrophic	Fatalities or multiple severe injuries and major damage to the environment.	Loss of major system and downtime
Critical	Single fatality and/or severe injury or significant damage to the environment.	Loss of a major system
Marginal	Minor injury and/or significant threat to the environment.	Severe system(s) damage
Minor	Possible minor injury.	Minor system damage

Severity level	The consequence to persons or the environment	The consequence to the service
Catastrophic	Fatalities or multiple severe injuries and major damage to the environment.	Loss of major system and downtime
Critical	Single fatality and/or severe injury or significant damage to the environment.	Loss of a major system
Marginal	Minor injury and/or significant threat to the environment.	Severe system(s) damage
Minor	Possible minor injury.	Minor system damage