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  1. Chemical Hazards - Centers for Disease Control and Prevention

  2. NIOSH Pocket Guide to Chemical Hazards - Centers for Disease …

  3. Pocket Guide to Chemical Hazards Introduction | NIOSH | CDC

  4. Chemical safety - World Health Organization (WHO)

  5. Chemical Hazards Risk Factors | Healthcare Workers | CDC

  6. CCOHS: Chemicals - Canadian Centre for Occupational Health and …

  7. Chemical Safety in the Workplace | Chemicals | CDC

  8. Chemical safety - World Health Organization (WHO)

  9. National Institute for Occupational Safety and Health (NIOSH)