The obligation
PCBUs must not use, handle or store restricted hazardous chemicals for abrasive blasting, or direct or allow a worker to do so, including substances with more than 1% free silica.
Restricted chemicals include any substance containing more than 1% free silica (crystalline silicon dioxide), 0.1% antimony, arsenic, beryllium, cadmium, cobalt, lead, nickel or tin, or 0.5% chromium (except as specified for wet abrasive blasting). For wet abrasive blasting, substances containing chromate, nitrate or nitrite are also restricted, as are polychlorinated biphenyls (WHS Regulation 382).
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- What
- PCBUs must not use, handle or store restricted hazardous chemicals for abrasive blasting, or direct or allow a worker to do so, including substances with more than 1% free silica.
- Source
- legislation.act.gov.au
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Frequently asked questions
Which WHS law does this come from?
Restricted blasting media and materials not to use is a WHS requirement set out in Abrasive Blasting (ACT). It is made under Work Health and Safety Act 2011 (ACT). The relevant provision is WHS > Codes of Practice > Abrasive Blasting > Blasting Medium.
What does this WHS obligation require?
Restricted blasting media and materials not to use is a WHS obligation under Abrasive Blasting (ACT). In short, PCBUs must not use, handle or store restricted hazardous chemicals for abrasive blasting, or direct or allow a worker to do so, including substances with more than 1% free silica.
What changed recently?
Restricted blasting media and materials not to use was last updated on 9 October 2026.
