Air monitoring for silica dust provides critical data about worker exposure, but the results are only useful if interpreted correctly. Misunderstanding them can put workers at risk and lead to compliance issues.
Key Points for Clients
- Compare to the WES
- The Workplace Exposure Standard (0.05 mg/m³) sets the maximum safe level over an 8-hour shift.
- Results above this indicate high-risk conditions requiring immediate action.
- Understand Monitoring Types
- Personal monitoring: Measures exposure for individual workers.
- Static monitoring: Measures dust in a specific area.
- Both types help assess risk and effectiveness of controls.
- Consider Work Context
- Short-term spikes may occur during specific tasks but can still be hazardous.
- Continuous monitoring over multiple shifts provides a complete exposure profile.
- Use Results to Guide Controls
- High readings may require additional engineering controls, PPE, or changes to work methods.
- Low readings confirm current controls are effectively reducing risk, but ongoing monitoring may still be required.
Key Takeaway
Air monitoring results are more than numbers. With expert interpretation by an occupational hygienist, they guide safe work practices, regulatory compliance, and worker protection.