Australia is transitioning to the Workplace exposure limits for airborne contaminants (WEL list). Until 1 December 2026, you must still comply with the Workplace exposure standards for airborne contaminants (WES list). Contact your work health and safety regulator for further information.
Workplace exposure limits resources
- Workplace Exposure limits for airborne contaminants (the WEL list)
- Changes to Workplace Exposure Limits - May 2025 (Comparison table)
Workplace exposure standards resources
- Workplace Exposure standards – airborne contaminants
- Workplace exposure standards for airborne contaminants (the WES list)
- Guidance on the interpretation of Workplace exposure standards for airborne contaminants
- Workplace exposure standards review
Relevant guidance for WES and WEL
Specific airborne contaminant information
- Changes to the workplace exposure standard for respirable crystalline silica
- Welding fumes
- Coal dust
- Asbestos