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Abrasive Blasting 2(1)

Schedule 1 of the Environment Protection Act 1993 states:

2—Manufacturing and Mineral Processing

(1) Abrasive Blasting
the cleaning of materials by the abrasive action of any metal shot or mineral particulate propelled in a gaseous or liquid medium (otherwise than solely by using blast cleaning cabinets less than 5 cubic metres in volume or totally enclosed automatic blast cleaning units).

What this means:
You need a licence if you clean materials by abrasive blasting other than using blast cleaning cabinets less than 5 cubic metres in volume or totally enclosed automatic blast cleaning units.

Guidelines:
Assessment of abrasive blasting (epa.sa.gov.au)
Abrasive blast cleaning (epa.sa.gov.au)

How to I apply for an EPA Licence: Go to the EPA website: Licensing | EPA