Hazard Classifications


There are other important details about the hazards associated with each pictogram.

Click the + to read more about each classification.


Common fertilizers containing ammonium nitrate in contact with other chemicals may explode.

 Potential hazards
  • Fire
  • Fragmentation injuries
Awareness
  • Wear appropriate personal protective equipment
  • Use in well-ventilated areas

Examples
  • Diesel fuel
  • Kerosene
  • Gasoline
 
Potential hazards
  • Fire
  • Explosion
Awareness
  • Do not heat containers
  • Use only for the intended purpose
  • Use in well-ventilated areas
 
Any chemical that decomposes readily to produce oxygen or oxidizing substances is an oxidizing hazard.

The potential hazard is spontaneous combustion.

Awareness
  • Ensure appropriate firefighting and spill control equipment is readily available
  • Keep away from flammable materials
  • Keep away from ignition sources
  • Use in well-ventilated areas
 
Examples
  • Propane
  • Helium
  • Nitrogen
  • Oxygen
  • Chlorine
Potential hazards
  • Suffocation
  • Frostbite
  • Exploding cylinder 
Awareness
  • Examine the cylinder for damage
  • Use in well-ventilated areas 
Examples
  • Hydrochloric acid
  • Sulfuric acid
  • Ammonia

Potential hazards
  • Burning the skin or eyes
  • Scarring, blindness, lung damage

Awareness
  • Wear personal protective equipment
  • Handle with corrosive-resistant equipment (e.g., rubber gloves)
  • Don’t reuse empty containers (corrosive residue may remain)
In the event of contact:
  1. Wash the affected area with water for 20-30 minutes
  2. Immediately call for emergency medical assistance
 
The use of this label is optional in Canada.

These may cause acute or chronic damage to an aquatic environment.




Examples
  • Insect repellents
  • Weed sprays
Potential hazards
  • Skin irritation
  • Skin sensitization
  • Eye irritation
  • Respiratory tract irritation
  • Narcotic effects
Awareness
  • Wear personal protective equipment
  • Use in well-ventilated areas


 
Examples
  • Phenol
  • Chlorine
Potential hazards
  • Major body system failure
  • Cancer
Note: The effects are usually long-term.
Awareness
  • Wear personal protective equipment
  • Use in well-ventilated areas
Examples
  • Carbon monoxide
  • Cyanide
Potential hazards
  • Lung and nervous system damage
  • Death
Note: The effects are immediate.
Awareness
  • Wear personal protective equipment
  • Use in well-ventilated areas

Examples may include any diseased tissue samples (e.g., Ebola, Mad Cow, Hoof and Mouth)
A potential hazard of exposure is the uncontrolled spread of disease or infection to human or animal populations.
Contact with identified biohazards is highly regulated. Routine contact is unlikely.