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CSA Z321 1996 Edition, January 1, 1996
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Signs and Symbols for the Workplace
Published By:CSA Group (CSA)
Page Count:55
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CSA B51
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This Standard applies to signs intended for use in the workplace for the purpose of communicating a regulatory, warning or informational message with the emphasis on safety and/or health. It describes requirements for the design of signs and includes recommendations for their selection and placement.

This Standard also includes requirements for signs that are not specifically safety- and/or health-oriented but are often part of the workplace.

The use of these signs does not replace the need for other proper accident-prevention measures.

This Standard does not apply to signs used to identify

(a) the actual or potential presence of ionizing radiation;

(b) objects, devices, materials, or combinations of materials that emit ionizing radiation;

(c) product labelling:

(d) hazardous materials (as defined by the Workplace Hazardous Materials Information System);

(e) dangerous goods being transported; and

(f) emergency exits (as defined by the Building Code).

For guidance pertaining to the use of signs and symbols in the barrier-free design of buildings, readers should refer to CSA Standard B651.