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THE ORCBS > Occupational Safety > Programs & Guidelines > Heat Stress > Heat Stress Manual >
BACKGROUND
There is currently
no specific Occupational Safety and Health Administration (OSHA)
Standard for heat stress. However, OSHA recognizes that jobs involving
operations in hot environments have the potential to induce heat
stress in employees. These operations include those which involve
radiant heat sources, high humidity, direct contact with hot objects,
or strenuous activities. The National Institute of Occupational
Safety and Health (NIOSH) the American Conference of Governmental
Industrial Hygienists (ACGIH) and the Environmental Protection Agency
(EPA) have promulgated recommended safety guidelines for working
in hot environments. As guidance for employers of those individuals
involved in these operations, OSHA has included a section on heat
stress in the OSHA Technical Manual which references many of the
guidelines put forth by NIOSH and ACGIH.
The
effects of heat can range from a mild annoyance, such as heat rash,
to death from heat stroke. Specific signs and symptoms of heat stress
are described in Appendix A. With proper replacement of fluids and
adherence to proper work/rest regimens, the adverse effects of working
during hot weather can be prevented.
A
person's risk of developing an adverse effect from heat increases
with ambient temperature and humidity, increased level of work,
and increased amount of clothing. Examples of MSU employees who
may be at risk of developing heat related effects include, but are
not limited to:
- Grounds Personnel
- University
Farms Personnel
- Greenhouse
Personnel
- Physical
Plant (for example: personnel working in steam tunnels)
- Power Plant
(for example: personnel who work in the vicinity of boilers)
- Employees
required to wear protective clothing
Certain
personal lifestyle factors make a person more susceptible to the
adverse effects of heat. These factors are:
- lack of physical
fitness;
- lack of
acclimatization to heat - increased risk during initial days of
a heat wave;
- dehydration-
someone who is taking a water pill, or has been having diarrhea,
or drank a large quantity of alcohol the day before;
- obesity;
- acute or
chronic disease such as, infection, diarrhea;
- sunburn
Heat
Hazard Assessment
Heat Stress Manual Table of Contents
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