WHMIS & HHPS SYMBOLS Science Safety

Learning goals We are learning the meaning of WHMIS symbols. We are learning the importance of WHMIS & MSDS information.  We are understanding the difference between WHMIS & HHPS.

Vinegar is a common household chemical that is produced by diluting (watering down) acetic acid. As shown on the left, this chemical is used to make a variety of products.

What is WHMIS? Stands for Workplace Hazardous Materials Information System. An internationally recognized system that describes hazards associated with certain materials. Uses symbols found on supplier labels that identify the risks associated with each material, first aid when necessary and how to properly handle the material.

Sample Supplier Label

WHMIS Symbols Compressed Gas Flammable & Combustible Material

WHMIS Symbols Cont’d Oxidizing Material Poisonous & Infectious Material Causing Immediate & Serious Toxic Effects

WHMIS Symbols Cont’d Poisonous and Infectious Material Causing Other Toxic Effects Biohazardous Infectious Material

Dangerously Reactive Material WHMIS Symbols Cont’d Corrosive Material Dangerously Reactive Material

WHMIS labels provide detailed information about how to store, handle, and dispose of chemical substances. The labels also provide first aid information.

Material safety data sheet After examining the sample MSDS on the left, list the information that an MSDS must include.

Hazards in the home …

What is HHPS? Stands for HouseHold Product Safety. A list of symbols used for common household items.

HHPS Symbols Explosive Material Corrosive Material This product will burn skin or eyes on contact. Throat and stomach if swallowed. Explosive Material This container can explode if it is heated or punctured.

HHPS Symbols Cont’d Poisonous Material Flammable Material This product, or its fumes, will catch fire easily if exposed to heat, flames or sparks. Poisonous Material Licking, eating, drinking or sometimes smelling this product is likely to cause illness or death.

HHPS Severity Levels Has three levels of severity based on the border of the symbol: Caution is the least severe and danger is the most severe.

Learning goals We are learning the meaning of WHMIS symbols. We are learning the importance of WHMIS & MSDS information.  We are understanding the difference between WHMIS & HHPS.