Silica
This page includes resources on the topic of silica, including what silica is, health effects associated with occupational exposure to respirable crystalline silica, how to protect workers, and MSHA silica resources.
General silica safety resources
Silica safety guide
Learn about controlling exposures to respirable crystalline silica, including what rules apply to your business and how to protect worker safety and health.
Mine Safety and Health Administration (MSHA) silica resources
Below are resources relating to the MSHA final silica rule, which took effect June 17, 2024, including requirements for metal and nonmental mines, information on medical surveillance, a medical examination timeline, and an interactive medical examination calculator for voluntary and mandatory medical examinations.
- Safety topic
- Requirements table for metal and nonmetal mines
- Medical surveillance
- Medical examination timeline
- Medical exam calculator (voluntary and mandatory)
For more information on the final rule, or to contact your local MSHA office visit the Mine Safety and Health Administration (MSHA).
External resources
- Silica, crystalline (OSHA)
- Small entity compliance guide for the respirable crystalline silica standard for construction (OSHA)
- Silica (NIOSH)
- Engineering controls for silica in construction (NIOSH)
- Work safety with silica (Centers for Construction Research and Training)