WHMIS.org | Canada's National WHMIS Portal

Decision Trees List

Technical Decision Tree
Technical Decision Tree Legend

Technical Decision Tree for Classification of a Substance

(PDF: 203 KB; 2 page(s); 11x17 paper; last modified: 2023-03-01)

Technical Decision Trees – Flowchart Legend

(PDF: 141 KB; 1 page(s); 8.5x11 paper; last modified: 2023-10-30)

Materials were prepared by the Canadian Centre for Occupational Health and Safety and Health Canada.

For assistance

If you have any questions, encounter any difficulties accessing these technical decision trees, identify potential errors, or have suggestions for their improvement, please fill out the Contact Us form linked below. You are required to fill out your contact information so that we may get in contact with you to address any difficulties or if we require further clarification.

Date page last modified:

2024-04-12

Technical Decision Tree for Classification of a Substance

Skin Corrosion/Irritation

Technical Decision Tree for Classification of a Substance

Technical Decision Trees – Flowchart Legend