| cdc.gov | US - - National Institute for Occupational Safety and Health (NIOSH) |
| ccohs.ca | Canadian Center for Occupational Health and Safety |
| osha.gov | Occupational Safety and Health Administration (OSHA) |
| nih.gov | National Institute of Environmental Health Sciences |
| usitc.gov | United States International Trade Commission (USITC) |
| bts.gov | Bureau of Transportation Statistics |
| dot.gov | The Office of Hazardous Materials Safety |
| washington.dc.us | US - District of Columbia - Workers' Compensation Program |
| state.nv.us | US - Nevada - Department of Business and Industry - Safety Consultation and Trai |
| usccr.gov | United States Commission on Civil Rights - USCCR |
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