What does this require producers and users to do regarding customer and employee communication?

As a minimum information to customers, the European Binding Limit Value will have to be mentioned in Section 15. ‘Regulatory Information’ of the Safety Data Sheets.

It is good practice to encourage and help customers to develop their measures and technologies to eliminate or reduce as low as technically possible the exposure to respirable crystalline silica potentially generated by their processes. It is important to specify that it is not a question of substituting the raw material but to control the processes from which airborne dust may potentially be emitted during their handling and use. Joining the NEPSI Agreement and Good Practice Programme, if not already the case, is the best approach.

Employers must give training to their workers, to explain how to use the control measures provided.

The NEPSI good practice guide recommends training topics.