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environment. Cramps usually occur after heavy sweating, <br /> and often begin at the end of a work shift. <br /> o Heat Exhaustion - profuse sweating, weakness, rapid <br /> pulse, dizziness, nausea, and headache. The skin is cool <br /> and sometimes pale and clammy with sweat. Body <br /> temperature is normal or subnormal . Nausea, vomiting, <br /> and unconsciousness may occur. <br /> o Heat Stroke - sweating is diminished or absent. The skin <br /> is hot, dry, and flushed. Increased body temperature, <br /> which, if uncontrolled, may lead to delirium, <br /> convulsions, coma, and even death. Medical care is <br /> urgently needed. <br /> 102 . 5 METHODS OF CONTROLLING HEAT STRESS <br /> As many of the following control measures as are <br /> appropriate to site conditions should be utilized to aid in <br /> controlling heat stress : <br /> o Provide for adequate liquids to replace lost body fluids <br /> and replace water and salt lost from sweating . Encourage <br /> personnel to drink more than the amount required to <br /> satisfy thirst. Thirst satisfaction is not an accurate <br /> indicator of adequate salt and fluid replacement. <br /> 0 Replace fluids with water, commercial mixes such as <br /> Gatorade or Quick Kick, or a combination of these. <br /> 0 Establish a work regimen that will provide adequate rest <br /> periods for cooling down. This may require additional <br /> shifts of workers. <br /> D797 . 8/72 HS-102-3 November 1990 <br />