Silicosis: Number of cases by duration of occupational exposure to silica—California, 2000-2002
Percentages may not sum to 100% due to rounding.
See Appendix for information about data sources and methods.
Provisional Sentinel Event Notification Systems for Occupational Risks surveillance data as of December 2006, reported by R Harrison and F Reinisch.
Reference Number: 2007T03-13b
Date Posted: June 2008