WHAT ARE EXPOSURE LIMITS FOR HEAT STRESS?
Exposure limits intended to minimize the risk of heat-related illnesses are set by provincial and territorial governments for most Canadian workplaces, and by Employment and Social Development Canada (ESDC) for workplaces under the federal jurisdiction. These agencies generally use the exposure guidelines recommended by the American Conference of Governmental Industrial Hygienists (ACGIH). The ACGIH gives these limits in units of WBGT (wet bulb globe temperature) degrees Celsius (°C). The WBGT unit takes into account environmental factors, such as air temperature, humidity and air movement, which contribute to perception of hotness by […]This content is for BHHC Safety Center policy holders.
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