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CLASS A Compressed Gas
CLASS B Flammable and Combustible Materia
CLASS C Oxidizing Materials
CLASS D-1 Poisonous and Infectious Material (material causing immediate and serious effects)
CLASS D-2 Poisonous and Infectious Material (material causing other toxic effects)
CLASS D-3 Poisonous and Infectious Material (Biohazardous Infectious Material)
CLASS E Corrosive Material
CLASS F Dangerously Reactive Material
WHMIS provides you with information on the safe use, storage, handling and disposal of hazardous materials at Canadian workplaces.
For more information, consult the MSDS, and visit the Health Canada WHMIS Web site: www.health.gc.ca/whmis