Hazards classification pictograms

International hazard classification system (IHCS)

  • Class 1: Explosives
  • Class 2: Gases
  • Class 3: Flammable or combustible liquids
  • Class 4: Flammable solids
  • Class 5: Oxidizers and organic peroxides
  • Class 6: Poisonous materials and infectious substances
  • Class 7: Radioactive substances
  • Class 8: Corrosive materials
  • Class 9: Miscellaneous
  • Each hazard is assigned a 4 digit number known as the United Nations, North American or Product ID numbers – Displayed on vehicle placards

NFPA 704- National Fire Protection Association – Fixed placarding

  • Left to right: Red (flammability), Yellow (reactivity), Blue (health hazard), White (chemical extras)

PPE

  • Level A
    • SCBA – open circuit positive pressure
    • Skin/Eyes
      • Vapor/Aerosol
      • Gasses, vapors, aerosol
      • O2 deficient atmosphere
    • Respiratory
      • Liquids/solids
      • Gas/Vapor
  • Level B – 
    • Skin/Eyes
      • Vapro/Aerosol
      • O2 deficient atmosphere
    • Respiratory
      • Liquids/solids
      • Gas/vapor
  • Level C
    • Skin/Eyes
      • Vapor/Aerosol
    • Respiratory
      • Liquids solids
  • Level D
    • Skin/Eyes
      • None
    • Respiratory
      • None

FEMA Disaster management phases

1 – Mitigation: Prevent/reduce/eliminate potential hazards from becoming a disaster

2 – Preparedness: Creating an action plan; mock exercises

3 – Response: Mobilization of appropriate resources and coordinated management

4 – Recovery

NIMS – National Incident Management System

  • Coordinates federal, state, and local governments
  • Provides incident management system for an incident command system
  • Identify chemicals by Chemical Abstract Service (CAS) of the American Chemical Society numbers
  • 67-56-1 = Methanol

For more chapters, visit the ABAT Study Guide homepage

Hazards Classification Pictograms Hazards Classification

Level A SCBA – open circuit positive pressure Skin/Eyes Vapor/Aerosol Gasses, vapors, aerosol O2 deficient atmosphere Respiratory iquids/solids Gas/Vapor

Level B –  Skin/Eyes Vapro/Aerosol O2 deficient atmosphere Respiratory Liquids/solids Gas/vapor Level C Skin/Eyes Vapor/Aerosol Respiratory Liquids solids Level D Skin/Eyes  None Respiratory None

Pictograms