Heat Stress Limits for the Sedentary Worker

Abstract
Performance on four sedentary tasks was monitored during temperatures of 85°F, 95°F, and 105°F WBGT for work periods up to 2 hours. Results were compared with limits recommended for occupational safety and health regulations. It is suggested that this limit is not a single line, but rather a range of temperature-time combinations. Further, man's compensating nature during short exposures supports a higher temperature limit for brief work bouts.

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