Workplace Hazardous Materials Information System

The Workplace Hazardous Materials Information System (WHMIS) was revised in 2018. Revisions included the following:

• New classes of hazards.
• All new pictograms/symbols.
• Revised labeling requirements.
• Changes to contents of "safety data sheets" (SDS) (versus material safety data sheets [MSDS]).

How This Affects You

If you work with hazardous products at the university:

• Review the WHMIS program .
• Complete the eLearning module .
• Review labeling requirements .
• How to read an SDS .

For questions about the program, contact HSE .

Symbols + Hazard Categories

Labeling Requirements

Supplier labels have a few new requirements. Review the WHMIS labels information document  for more information.

Here are some workplace label templates to get you started:

• Large WHMIS workplace label - Avery 22827 (rectangular label)
• Small WHMIS workplace label - Avery 8161 (address label)
• Standard WHMIS workplace label - Avery 48163 (shipping)

Safety Data Sheets

Safety data sheets (SDSs) replace material safety data sheets (MSDSs) and include more information. Refer to the SDS information document  for details.