The Workplace Hazardous Materials Information
System (WHMIS) is a national system designed to
provide information about hazardous materials
(controlled products) used in the workplace.
The cornerstone of the system is the Hazardous
Products Act (HPA) which defines what
controlled products are and makes suppliers
responsible for providing Material Safety Data
Sheets (MSDS) and labels.
The Controlled Products Regulations (CPR)
outline the classification of controlled
products and specify what information is to be
included on the label and MSDS. Occupational
health and safety legislation across Canada
require employers to obtain this information
from the supplier and use it educate workers
and train them in safe work procedures.
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