This information sheet provides persons conducting a business or undertaking information on engaging an occupational hygienist.

As a person conducting a business or undertaking (PCBU) you must eliminate or minimise risks from airborne contaminants in the workplace so far as is reasonably practicable.

Safe Work Australia has released an online airborne contaminants hub to h

Your employer must protect you, and anyone else in the workplace, by eliminating or minimising risks in the workplace from airborne contaminants so far as is reasonably practicable. 

Australia’s workplace exposure standards are changing. Find out about the changes and what you need to do here.

Work processes can release dusts, gases, fumes, vapours, or mists into the air. These are known as airborne contaminants, and they may pose a risk to health and safety. Not all airborne contaminants need to be seen or smelled to be present at harmful levels.

Work processes can release dusts, gases, fumes, vapours, or mists into the air.

Work processes can release dusts, gases, fumes, vapours, or mists into the air. These are known as airborne contaminants, and they may pose a risk to health and safety. Not all airborne contaminants can be seen or smelled to be present at harmful levels.

This document is the list

This page provides resources and further information for persons conducting a business or undertaking (PCBUs) and workers on the workplace exposure standards (WES), workplace exposure limits (WEL) and the WES review.

There are several changes between the Workplace exposure standards for airborne contaminants (WES list) and the

From 1 December 2026 Australia will adopt the Workplace