OHS Code Explanation Guide

Published Date: July 01, 2009
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Part 4 Chemical Hazards, Biological Hazards and Harmful Substances

Section 27 Storage of harmful substances

Although the labelling requirements for controlled products are discussed in Part 29 of the OHS Code, Workplace Hazardous Materials Information System (WHMIS), the term “harmful substance” has a broader definition than that of a “controlled product”. Subsection (a) requires an employer to clearly identify harmful substances at a work site even if they are not controlled products or are controlled products exempt from WHMIS information requirements. For example, gasoline purchased from a gas station is considered a consumer product exempt from WHMIS information requirements. However, when the gasoline is taken to a work site, its container must be clearly identified.

Subsection (b) requires the employer to store harmful substances in a manner that does not present a hazard to workers. Information about storing such substances can be found in Material Safety Data Sheets (MSDSs) or will be information provided by the manufacturer.