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Table of Exposure Limits for Chemical and Biological Substances

Occupational Health and Safety Regulation section 5.48 provides established exposure limits for a worker's exposure to hazardous chemical substances. Generally, these exposure limits are established according to the Threshold Limit Values (TLVs) adopted by the American Conference of Governmental Industrial Hygienists (ACGIH).

Publication Date: May 2019 File type: PDF (256 KB) Asset type: Information Sheet