Categories of Biohazard Incidents

Category 1:

Major incident, multiple victims with various levels of injury.
Incident aftermath is significantly widespread over a large area.
Requires many crews over a prolonged period.

Examples: Derailment, aeroplane crash, major road traffic accident, bomb blast.

Category 2:

Major incident, single or multiple victims with various level of injury.
Incident aftermath is in a restricted or confined area.
Requires one or two crews over any period of time.

Examples: Decomposition, crime scene, fatality, road traffic accident, fall from height

Category 3:

Minor incident, normally single victim with minor injury (includes vomiting).
Contamination is limited (low level of spread/spatter) and in an area that
is easily managed.
Bio First Aider can cope on his own.

Examples: Act of violence, minor industrial accident, wound, vomit, sharp.

Category 4:

Domestic incident, minor injury, native blood (i.e. spouse or very close
family member), occupier purge.

Example: DIY accident.

A Bioengineer has achieved a Primary Qualification and is certified to decontaminate all Categories of Incidents.

A Bio First Aider has achieved a Secondary Qualification and is certified to decontaminate Category 3 and 4 incidents. A Bio First Aider is also qualified to decontaminate Category 1 and 2 incidents under the supervision of a Bioengineer.