Work-Related Lung Disease Surveillance System (eWoRLD)
Appendix
- Abbreviations
- Bureau of Census Industry Codes (CIC) by NORA Sector Group
- Changes in Bureau of Census Industry and Occupation Codes and Titles
- International Classification of Diseases (ICD) Codes
- Limitations
- Methods
- Sources of Data
- Split, Merged, or Renamed Counties and County Equivalents
- States (and Years) for which Industry and Occupation Codes from Death Certificates Met NCHS Quality Criteria, 1985–1999
Contact Us:
- Centers for Disease Control and Prevention
- National Institute for Occupational Safety and Health (NIOSH)
- 800-CDC-INFO (800-232-4636) TTY: (888) 232-6348
24 Hours/Every Day - cdcinfo@cdc.gov


