AGL defines a contractor as a person or entity engaged by AGL under purchase order or contract to perform work or deliver services to, or on behalf of, AGL, and includes contractors working on both AGL sites and non-AGL sites.

Critical Control Check - A Critical Control Check is a tool used by operational leaders to ensure critical controls are being implemented. Within these checks the Critical Controls have been divided into three categories; Plant, Process and People. Critical Control Checks replaced HSE Technical Interactions during FY19.

Environment Walk - An Environment Walk is a process which can be carried out by any employee, regardless of technical competency. It is used to document observations and conversations specific to the environment carried out in any setting. It can be focused on a particular task or work environment, but its focus can also be general in nature.

Health and Safety Walk - A Health and Safety Walk is a process which can be carried out by any employee, regardless of technical competency. It is used to document observations and conversations specific to health and safety carried out in any setting. It can be focused on a particular task or work environment, but its focus can also be general in nature.

Health and Safety Hazard - A Health and Safety Hazard is any observation or workplace situation or source that has the potential to harm the health and safety of people or damage plant and equipment if not controlled.

Environment Hazard - An Environment Hazard is classified as any observation, task, process or equipment that has the potential to be a source of future environmental harm if left unattended.

Health and Safety Near Miss - A Health and Safety Near Miss is classified as an unplanned event or error that did not result in injury or illness but had the potential to do so.

Environment Near Miss - An Environment Near Miss is classified as any event where no actual regulatory breach or unauthorised environmental impact occurred but there was potential for a regulatory breach or unauthorised environmental impact to occur, i.e. the event was a close call and could result in an incident in the future unless improvement actions are implemented.

TIFR-Related incidents - A TIFR-related incident is a safety incident that resulted in the injury or illness of a person requiring Lost Time or Medical Treatment

Serious Impact or Fatality Potential Events (Health & Safety) - An incident or near miss that had it not been for one factor, someone could have been killed or seriously injured (whether physically or psychologically), or had their health irrevocably impacted

Serious Impact or Fatality Potential Events (Environment) - An incident or near miss that presents a sudden, immediate threat to human health or the natural environment, arising from an unauthorised activity or the release of potential pollutants into the air, land or water.

Serious Impact or Fatality Actual Events (Health & Safety) - An incident or near miss that actually resulted in someone being killed or seriously injured (whether physically or psychologically), or had their health irrevocably impacted.

Serious Impact or Fatality Actual Events (Environment) - An incident or near miss that presents a sudden, immediate impact to human health or the natural environment, arising from an unauthorised activity or the release of potential pollutants into the air, land or water.