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To reduce the potential for heat stress, it is important that site personnel <br /> drink plenty of water or electrolytic fluids before and during the day's <br /> activities. Caffeinated drinks, such as coffee and colas, should be avoided <br /> since these tend to dehydrate the body. Consumption of alcohol the <br /> previous evening also increases susceptibility to heat stress and should be <br /> avoided. Frequent rest periods are essential during site activities and a <br /> slower than normal work pace may be necessary to prevent the onset of <br /> heat stress. It is imperative that site personnel monitor themselves and <br /> others for signs of heat stress. <br /> Heat stress is a general term used to describe one or more of the following <br /> heat-related disabilities and illnesses. <br /> Heat Cramps. Painful, intermittent spasms of the voluntary muscles <br /> following hard physical work in a hot environment. Cramps usually <br /> occur after heavy sweating and often begin at the end of a work shift. If <br /> heat cramps are encountered, personnel should stop their activities and <br /> drink electrolytic fluids. Rest is recommended until normal muscle <br /> activity is achieved. <br /> Heat Exhaustion. Profuse sweating, weakness, rapid pulse, dizziness, <br /> nausea, and headache. The skin is cool and sometimes pale and clammy <br /> with sweat. Body temperature is normal or subnormal. Nausea, <br /> vomiting, and unconsciousness may occur. If site personnel exhibit signs <br /> of heat exhaustion, they should be immediately removed from site <br /> activities and placed in a cool, shaded area. Plenty of water or electrolytic <br /> fluids should be administered to rehydrate the body. The affected <br /> personnel must not return to site activities until recovery to a normal <br /> condition is complete and the ERM DIHS is consulted. Upon return to <br /> work activities, the condition of the affected personnel must be closely <br /> monitored for further signs of heat stress. <br /> Heat Stroke. Sweating is diminished or absent. The skin is hot, dry, and <br /> flushed. Increased body temperature, if uncontrolled, may lead to <br /> delirium, convulsions, coma, and even death. THIS IS A TRUE MEDICAL <br /> EMERGENCY! Remove the person from the work area and place in a <br /> cool, shaded area in a prone position with the legs slightly elevated. The <br /> body may be cooled by removing clothing and fanning. Moist towels and <br /> water may be used to aid in cooling the body. The person may be allowed <br /> to sip cool water. Observe for signs of shock and DIAL 911 <br /> IMMEDIATELY! Carefully follow directions given by emergency <br /> personnel. Medical attention is needed immediately. All work activities <br /> in the area must cease and the ERM DIHS must be contacted immediately <br /> after emergency services have been contacted. <br /> 4-6 <br />