The OHS Regulation 2001 lists incidents under clause 341.  Incidents include any event or circumstance listed below occurring at, or in relation to, a place of work that presents a risk to health or safety and is not immediately threatening to life:

• an injury to a person (supported by a medical certificate) that results in the person being unfit, for a continuous period of at least 7 days, to attend the person’s usual place of work, to perform his or her usual duties at his or her place of work or, in the case of a non-employee, to carry out his or her usual activities
• an illness of a person (supported by a medical certificate) that is related to work processes and results in the person being unfit, for a continuous period of at least seven days, to attend the person’s usual place of work or to perform his or her usual duties at that place of work
• damage to any plant, equipment, building or structure or other thing that impedes safe operation
• an uncontrolled explosion or fire
• an uncontrolled escape of gas, dangerous goods or steam
• a spill or incident resulting in exposure or potential exposure of a person to a notifiable or prohibited carcinogenic substance (as defined in Part 6.3 of the OHS Regulation 2001)
• removal of workers from lead risk work (as defined in Part 7.6 of OHS Regulation 2001) due to excessive blood lead levels
• exposure to bodily fluids that presents a risk of transmission of blood-borne diseases
• the use or threatened use of a weapon that involves a risk of serious injury to, or illness of, a person 
• a robbery that involves a risk of serious injury to, or illness of, a person
• an electric shock that involves a risk of serious injury to a person
• any occurrence that involves a risk of: 
  • explosion or fire
  • escape of gas, dangerous goods or steam
  • serious injury to, or illness* of, a person
  • substantial property damage.

*Note: Serious illness of a person resulting from exposure to a hazardous substances (eg organophosphate pesticide poisoning, chronic dermatitis from chriomium exposure, sensitization to isocyanate, carbon monoxide poisoning from a vehicle exhaust or poisoning from exposure to arsenic or mercury).

For more information, see:

•  What has changed since 1 September 2003 to clause 341 of the OHS Regulation 2001?
• Clause 341 of the OHS Regulation 2001