What is crystalline silica and silica dust?
Crystalline Silica
Silica is silicon dioxide, a naturally occurring and widely abundant mineral that forms the major component of most rocks and soils. There are non-crystalline and crystalline forms of silicon dioxide. The most common type of crystalline silica is quartz (CAS 14808-60-7) (via SafeWork Australia).
Silica Dust
Silica dust is generated in workplace mechanical processes such as crushing, cutting, drilling, grinding, sawing or polishing of natural stone or man-made products that contain silica. Some dust particles can be so small that they are not visible; these are commonly referred to as respirable particles (via SafeWork Australia).
High Risk Exposure Activities
SafeWork Australia gives some of the following examples of work activities that can generate respirable silica dust particles:
Excavation, earth moving and drilling plant operations |
Brick, concrete or stone cutting |
Paving and surfacing |
Tunneling |
Construction labouring activities |
Pottery making |
Clay and stone processing machine operations |
Mining, quarrying and mineral ore treating processes |
Angle grinding, jack hammering and chiseling of concrete or masonry |
Foundry casting |
During fabrication and installation of composite (engineered or manufactured) stone countertops |
What diseases can RCS cause?
According to the Cancer Council, exposure to silica dust can lead to the development of lung cancer, silicosis (an irreversible scarring and stiffening of the lungs), kidney disease and chronic obstructive pulmonary disease.
It’s estimated that 230 people in Australia develop lung cancer each year as a result of past exposure to silica dust at work.
How can we protect ourselves?
Our highly qualified team of Occupational Hygienists, including Certified Occupational Hygienists (COH) recognised by the Australian Institute of Occupational Hygienists (AIOH), have extensive experience in undertaking Occupational and Industrial Hygiene Risk Management and Assessment throughout Australia.
ADE provides a range of respirable crystalline silica assessment and management options, such as:
Personal and static monitoring for respirable dust and RCS |
Partnership with NATA accredited laboratory for RCS sampling and analysis, offering fast turnaround times |
RCS awareness training |
RCS risk assessment |
Tailored dust reduction plans to meet regulatory compliance |
Remote real time dust monitoring |
Determination of mask protection factors for appropriate selection and use |
Fit test on Personal Respiratory Protection (disposable, half-face, and full-face masks) |
