This Member Advice provides important information about airborne contaminants and the transition from Workplace Exposure Standards (WES) to Workplace Exposure Limits (WEL) from 1 December 2026.

It is important that Australian Industry Group members are up to date with the changes coming into effect and review workplace controls and implement any changes before 1 December to make sure you are complaint.

Specifically, this Member Advice covers:

An overview of legislative requirements for airborne contaminants
The transition from Workplace Exposure Standards (WES) to Workplace Exposure
Limits (WEL)
Workplace exposure standards that have already been reduced
Outcome and next steps for 9 Chemicals that underwent further impact analysis
What happens to the non-threshold genotoxic carcinogens from 1 December 2026?

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