Hazard
Grinding, jackhammering, blasting and rock drilling all allow silica dust to what?
Allow silica dust to become airborne
What part of your body does Silica affect the most?
The Lungs
Workers should not remove dust with
Compressed air
Concrete, Brick, Stone, Block and Sand
Symptoms of silicosis include
Coughing and shortness of breath
What are 3 engineering controls for silica?
Local exhaust ventilation, substitution, and wet methods
Voluntarily used respirators must be
NIOSH - certified
What is the OSHA Permissible Exposure Limit?
50 micrograms per cubic meter averaged over eight hour
Air monitoring determines
The effectiveness of engineering controls