The obligation
The Code mandates air monitoring during and after Class A removal work to ensure fibre levels remain within exposure standards and the area is safe for re-occupation.
Air monitoring must be conducted by a competent person during Class A removal to verify control effectiveness and confirm airborne fibre levels do not exceed the workplace exposure standard (0.1 fibres/mL TWA). A clearance air monitoring assessment is required after removal before the enclosure is removed and the area re-occupied. Records must be kept.
- What
- The Code mandates air monitoring during and after Class A removal work to ensure fibre levels remain within exposure standards and the area is safe for re-occupation.
- Source
- worksafe.wa.gov.au
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Labels
asbestos
air monitoring
exposure standard
Class A
clearance
Official sources
Frequently asked questions
Which WHS law does this come from?
Air monitoring during asbestos removal is a WHS requirement set out in How to safely remove asbestos (WA). It is made under Work Health and Safety Act 2020 (WA). The relevant provision is How to safely remove asbestos > Air monitoring.
What does this WHS obligation require?
Air monitoring during asbestos removal is a WHS obligation under How to safely remove asbestos (WA). In short, The Code mandates air monitoring during and after Class A removal work to ensure fibre levels remain within exposure standards and the area is safe for re-occupation.
What changed recently?
Air monitoring during asbestos removal was last updated on 27 August 2026.
