Respirable silica dust

Hazards

• Fine crystalline-silica particles generated by cutting or disturbing certain stone and construction materials.

Controls

• Substitute, wet-cut, ventilate, isolate, clean safely, monitor exposure, and follow respiratory programs.

Personal protective equipment

• Select task-specific PPE only after hazards and higher-order controls have been evaluated.

Regional considerations

• Applicable law, permits, collective agreements, venue rules, and qualified-person decisions take precedence.

In practice

Substitute, wet-cut, ventilate, isolate, clean safely, monitor exposure, and follow respiratory programs.

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