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Hierarchy of control measures for noise, starting with elimination

Code version as at 1 Aug 2019 From Managing noise and preventing hearing loss at work, no changes tracked yet
Medium severity
NSW · Occupational Health & Safety Managing noise and preventing hearing loss at work > Controls
The obligation
The WHS Regulation requires duty holders to work through the hierarchy of control measures for certain risks, and PCBUs must always aim to eliminate the noise risk.
The hierarchy ranks control measures from the highest level of protection and reliability to the lowest. The most effective control is to eliminate the noise source, for example by ceasing to use a noisy machine or changing how work is carried out. Engineering controls minimise noise at source, such as cushioning impacts, fitting exhaust mufflers and silencers, damping panels and fitting sound-absorbing materials. …
What
The WHS Regulation requires duty holders to work through the hierarchy of control measures for certain risks, and PCBUs must always aim to eliminate the noise risk.
Source
safework.nsw.gov.au

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Labels
hierarchy of controls engineering controls PPE hearing protectors noise
Official sources
Frequently asked questions

Which WHS law does this come from?

Hierarchy of control measures for noise, starting with elimination is a WHS requirement set out in Managing noise and preventing hearing loss at work (NSW). It is made under Work Health and Safety Act 2011 (NSW). The relevant provision is Managing noise and preventing hearing loss at work > Controls.

What does this WHS obligation require?

Hierarchy of control measures for noise, starting with elimination is a WHS obligation under Managing noise and preventing hearing loss at work (NSW). In short, The WHS Regulation requires duty holders to work through the hierarchy of control measures for certain risks, and PCBUs must always aim to eliminate the noise risk.

What changed recently?

Hierarchy of control measures for noise, starting with elimination was last updated on 9 October 2026.

About this Topic

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First seenOct 2026