First-line supervisors typically know their employees’ work-related capabilities and limitations.  Therefore it is paramount that first-line supervisors--on a regular basis--monitor the condition of each employee assigned to them.  They should pay particular attention to the employee’s task, environment, and clothing, as well as any engineering and administrative controls and personal protective equipment in use.
	First-line supervisors often are day-to-day role models for other workers.  As such, they must be aware that their actions and behavior may influence their subordinates.  This is particularly true for employees just arriving at the job-site.  These employees may not be fully heat acclimated