This edition (2016) is the sixth full version; it takes into account the reclassification of some substances and changes in nomenclature and values of exposure limits. These changes have not had much effect on the risk assessments because, in those cases where the revision was an increased hazard, the substance was already handled with maximum precautions.

Working with wet clay by hand or on a wheel.Grinding and crushing raw materials.Carrying out processes (eg, fettling, towing, sanding) on dry clay before firing.Cleaning equipment, utensils, work surfaces and floors.

Preparing and applying glazes and colours.

Firing ceramic materials in electric kilns.