JHA Categories

The "McMaster Hazard Category" heading on the JHA form will contain the workplace hazard title chosen from below. The "Hazard Type" is located within the description of the workplace hazard.

ie. McMaster Hazard Category: Ergonomic Hazard
Hazard Type: Repetitive Strain

  1. Biological Hazards
    • (Zoonosis : A disease of animals, such as rabies or psittacosis, that can be transmitted to humans, Antigens, Bacteria, Insects, Mixture, Mould, Plants, protozoan, Virus)
  2. Chemical Hazards
    • (Acute Toxin, Acute/Chronic Toxin, Carcinogen, Chronic Toxin, Compressed Gas, Corrosive, Flammable,/Combustible Liquids, Flammable Solid, Mixture/Combination of chemicals, Oxidizer, Reactive, Sensitizer, Simple Asphyxiant)
  3. Energy Hazards
    • Compressed Air
    • Electricity
    • Gravity
    • Heat
    • Hydraulic Pressure
    • Steam
    • Vacuum
    • All of the above.
  4. Ergonomic Hazards
    • Overuse, overloading
    • Repetitive Strain
    • Posture
    • Weight
    • Manual Material Handling
    • All of the above
  5. Physical Hazards
    • Cold and hot Work Environment
    • Ionizing Radiation
    • Noise
    • Non-ionizing Radiation
    • UV Radiation
    • Vibration
    • All of the above
  6. Tools, Equipment and Vehicles
    • Cranes, hoisting, rigging
    • Driving
    • Hand Tools
    • Machinery
    • Mobile Equipment
    • Power Tools
    • Pressure Vessels
    • Ropes, Chains, Slings
    • All of the above
  7. Work Site Hazards
    • Confined/Restricted Space
    • Entering Excavations
    • Excavation/Drilling
    • Falling Objects
    • Fire/Explosion
    • Personal Security
    • Pinch Points
    • Poor Lighting/visibility
    • Projectiles
    • Protruding/Sharp Objects
    • Slip/Trip/Falls
    • Struck by a moving object
    • Work in, on, near water
    • Working alone
    • Working at Heights
    • All of the Above