Canadian Centre for Occupational Health and Safety (CCOHS). "WHMIS 1988 - General". ccohs.ca. Government of Canada. Retrieved 14 June 2024.
Occupational Safety and Health Administration. "WHMIS - General". ccohs.ca. Government of Canada. Archived from the original on 8 June 2024. Retrieved 14 June 2024.
Canadian Centre for Occupational Health and Safety (CCOHS) (10 May 2024). "WHMIS - Pictograms". ccohs.ca. Government of Canada. Archived from the original on 21 February 2024. Retrieved 8 June 2024.
Canadian Centre for Occupational Health and Safety (CCOHS) (30 March 2023). "WHMIS - Pictograms". ccohs.ca. Government of Canada. Archived from the original on 8 June 2024. Retrieved 14 June 2024.
Canadian Centre for Occupational Health and Safety (CCOHS) (1 April 2011). "WHMIS 1988 - Classification". ccohs.ca. Government of Canada. Retrieved 14 June 2024.
Occupational Safety and Health Administration. "WHMIS - General". ccohs.ca. Government of Canada. Archived from the original on 8 June 2024. Retrieved 14 June 2024.
Canadian Centre for Occupational Health and Safety (CCOHS) (10 May 2024). "WHMIS - Pictograms". ccohs.ca. Government of Canada. Archived from the original on 21 February 2024. Retrieved 8 June 2024.
Canadian Centre for Occupational Health and Safety (CCOHS) (30 March 2023). "WHMIS - Pictograms". ccohs.ca. Government of Canada. Archived from the original on 8 June 2024. Retrieved 14 June 2024.
Canadian Centre for Occupational Health and Safety (CCOHS). "WHMIS 2015 Transition FAQ"(PDF). whmis.org. Government of Canada. Archived from the original(PDF) on 19 January 2022. Retrieved 13 June 2024.
Health Canada (24 June 2017). "WHMIS Transition". canada.ca. Government of Canada. Archived from the original on 5 May 2022. Retrieved 14 June 2024.
Canadian Centre for Occupational Health and Safety (CCOHS). "WHMIS 2015 Transition FAQ"(PDF). whmis.org. Government of Canada. Archived from the original(PDF) on 19 January 2022. Retrieved 13 June 2024.