I think that there are eight parts to it.
1. compressed gas
2. flammable and combustible material
3. Oxidizing Material
4. corrosive material
5. poisonous and Infectious Material causing immediate and serious toxic effects
6. poisonous and Infectious Material causing other toxic effects
7. diohazardous Infectious
8. Dangerously Reactive
I think this will help you! The above answer applies to the hazard classification and symbol aspect of WHMIS. The 3 elements of WHMIS are in bold below: Supplier Lables: Cross-hatch bordered lables containing the following; * Product Identifier * Risk Phrase * Precautionary Statement * Hazard Symbol * MSDS Reference * First Aid Information * Supplier Identifier
Material Safety Data Sheets: Information sheets supplied by the manufacturer that must have at least these 9 following sections; # Name # Ingredients of mixtures # Physical Data # Fire and Explosion Hazard Data # Health Hazard Data # Reactivity Data # Spill or Leak Procedures # Special Protection Information # Special Precautions MSDS have a 3 year expiration date and must also be renewed if there are any changes in the product's information. Worker Education: Government lesigslation dictates the following respinsibilities to the following parties; * Employers: Must provide annaul WHMIS training to all workers under their direction. * Employees: Must attend training and apply knowledge gained in the workplace. NOTE: There's a lot more to each of the three key elements of WHMIS, like Hazard Classification and Hazard Symbols, Other MSDS Sections and more responsibilities stemming from WHMIS legislation. I have only included main information and some examples.
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