Key Question
 Physical and Chemical Properties
 Make products useful in the home
 Make products useful in industry
 Examples
 Cleaners
 Paints
 Lubricants
Question: How do we know when a product
is safe to use?
Answer: Product Safety Symbols!
 Household Product Symbols
 Workplace (Industrial) Product Symbols
HHPS Symbols
 HHPS symbols are used for products in the home
 Purchased in a supermarket
 Purchased in a hardware store
 HHPS stands for:
 Hazardous
 Household
 Product
 Symbol
HHPS Are A Combination Of…
 Hazard Condition
flammable
toxic
corrosive
explosive
 Hazard Level
DANGER
WARNING
CAUTION
HHPS Examples
WHMIS Symbols
 WHMIS Symbols are used for workplace products
 School / Lab
 Public places
 Your job
 WHMIS stands for:
 Workplace
 Hazardous
 Materials
 Information
 System
WHMIS Symbols Are…
 All at the same hazard level
 All symbols are inside a circle
 Have a large number of hazard conditions
 Based on their Chemical and Physical properties





E.g. Reacts With Oxygen
E.g. Corrosive
E.g. Toxic
E.g. Biohazard
etc.
WHMIS Examples
WHMIS Question 1
 What is the difference between…
Poisonous & infectious causing
immediate and serious toxic effects
Poisonous & infectious causing
other toxic effects
WHMIS Question 2
 What is the difference between…
Flammable &
combustible material
Oxidizing material
Other General Safety Symbols