Human health hazard characteristic
of an industrial chemical, means a hazard characteristic, of the industrial chemical, that is mentioned in the table in clause 2 of Schedule 1. (General Rules)
A chemical has a human health hazard characteristic if the chemical can cause damage, harm or adverse effects to humans.
See step 4.4 of the Categorisation Guide which includes information about human health hazard characteristics by hazard band:
Human health hazard band C hazard characteristics
Human health hazard band B hazard characteristics