The obligation
PCBUs must apply the hierarchy of controls to eliminate or minimise risks from hazardous chemicals, including substitution, engineering controls, administrative controls and PPE.
The NT Code of Practice requires PCBUs to work through the hierarchy of controls: elimination (most effective), substitution with a less hazardous substance, engineering controls (e.g. enclosed systems, ventilation), administrative controls (safe work procedures, job rotation), and PPE as a last resort. Control measures must be reviewed and maintained.
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- What
- PCBUs must apply the hierarchy of controls to eliminate or minimise risks from hazardous chemicals, including substitution, engineering controls, administrative controls and PPE.
- Source
- worksafe.nt.gov.au
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controls
hierarchy of controls
PPE
engineering controls
hazardous chemicals
NT
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Frequently asked questions
Which WHS law does this come from?
Hazardous Chemicals Control Measures and Hierarchy of Controls (NT) is a WHS requirement set out in Managing risks of hazardous chemicals in the workplace (NT). It is made under Work Health and Safety (National Uniform Legislation) Act 2011 (NT). The relevant provision is Work Health and Safety > Hazardous Chemicals > Code of Practice > Control Measures.
What does this WHS obligation require?
Hazardous Chemicals Control Measures and Hierarchy of Controls (NT) is a WHS obligation under Managing risks of hazardous chemicals in the workplace (NT). In short, PCBUs must apply the hierarchy of controls to eliminate or minimise risks from hazardous chemicals, including substitution, engineering controls, administrative controls and PPE.
What changed recently?
Hazardous Chemicals Control Measures and Hierarchy of Controls (NT) was last updated on 26 August 2026.
