# COMAR Title 09 — Maryland Department of Labor

## Subtitle 12 — Division of Labor and Industry

### Chapter 32 — Heat Stress Standards

#### Regulation .02 Scope.

*COMAR 09.12.32.02*

A. This chapter applies to an employer with employees whose employment activities, indoor or outdoor, expose employees to a heat index in the area where the employee is working that equals or exceeds 80 degrees Fahrenheit.

B. This chapter does not apply to:

  (1) Emergency operations and essential services as defined in Regulation .03B(4) of this chapter that involve protecting life or property;

  (2) Incidental exposures when an employee is not required to perform work activities for more than 15 consecutive minutes per hour; or

  (3) Buildings, structures, and vehicles that have a mechanical ventilation system or fan that maintains the heat index below 80 degrees.