Pictograms represent the hazard classes.
Pictograms show type of hazard at a glance.
There are 9 (10) pictograms.
The “Biohazardous infectious materials” hazard class was part of WHMIS 1988 and is also part of the WHMIS 2015.
You may see the Environmental pictogram on labels & SDSs.
This group was not adopted in WHMIS 2015.