Respiratory Crystalline Silica (RCS)  is hazardous to health, exposure can lead to respiratory diseases: Occupational Asthma, Chronic Obstructive Pulmonary Disease (COPD), and Silicosis.


The current WEL Workplace Exposure Limit for RCS is 0.1mg.m-3 as an 8 hour TWA (ti...

In bulk, wood is unlikely to give rise to toxic effects. The hazardous forms that may give rise to health risks are:

  • DUST

  • SAP, latex or lichens associated with a wood.


Ill health effects associated with wood


Skin: The main effect is irritation. This can be c...