PPE & WHMIS - Safety First Symbols

 There are some basic PPE and WHMIS knowledge that is important for your introduction to safety.  PPE is the last resort to control hazards WHMIS symbols provide a front line warning for possible chemical hazards.   Please be aware that not all agricultural chemicals fall under the WHMIS legislation and may differ in warnings.  Treat all chemical with great caution.


PPE - Personal Protective Equipment


Symbols Protects Controls

Eye injury
Head Head Injury
Sun Exposure
Hands Skin abrasions
Chemical corrosives

Feet Toe Crushing
Pointed object impalement
Grip to ground

Respiratory System
Inhalation of toxic chemicals and biohazards
Respiratory System
Inhalation of dust
Ears Decreases loud noise levels
Whole Body
Increase visibility to equipment and other workers
Whole Body
Fall prevention

There are ten WHMIS pictograms. Each pictogram is associated with a specific hazard classification.




May burn if exposed to ignition sources; may give off flammable gases
May burn without air; may intensify fire in combustible materials
May cause skin burns and/or permanent eye damage


Health Hazard


May cause redness and/or rashes
May cause serious health problems after short or long term exposure
Small amounts with short exposures may threaten life

Compressed Gas


Environmental Hazard

Released gases may be very cold; container may explode if heated
May explode if exposed to fire, heat, shock, or friction
Toxic to aquatic organisms; may cause lasting damage to the environment

Once a biological hazard is identified by experts, exposure to that biohazard is highly regulated. It is unlikely you will come into contact with a labelled biohazard.