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{ <br /> Forms of Heat Stress <br /> The hazards of exposure to hot environments may cause a variety of illnesses. Onset of signs <br /> and symptoms of exposure can occur rapidly, and may progres's to a medical emergency <br /> (i.e., heat stroke) without early intervention. The farms of heat stress and their symptoms are: <br /> • Heat Rash- localized red skin rash <br /> S <br /> 1 • Heat Cramps -muscle spasm and pain in the arms, legs, and abdomen <br /> i <br /> • Heat Exhaustion- weak pulse, shallow breathing; pale, cool, moist skin; profuse <br /> perspiration, dizziness; and fatigue <br /> t <br /> Heat Stroke (the most severe heat stress can be fatal) -red, hot, dry, skin; very <br /> high body temperature; no perspiration; nausea;ldizziness; mental confusion; <br /> jstrong, rapid pulse; coma; and death. <br /> I Heat Stress Monitoring <br /> To control exposure to heat stress hazard, monitoring may comIrnence when personnel are <br /># required to wear PPE. All employees shall be monitored for heat stress. <br /> Heat stress exposure shall be evaluated by monitoring heart rate. The radialpulse shall be taken <br /> for 30 seconds immediately upon beginning to rest (i.e., at the beginning of a rest break). This <br /> ' rate shall be multiplied by two to determine the heart rate at initial rest. This rate should not <br /> exceed 110 beats per minute (bpm). Following three minutes of rest -the heart rate shall be taken <br /> again(using the same procedure). The difference between the initial and third minute heart rates <br /> should be greater than 10 bpm. if the initial rate exceeds 110 bpm or the difference between the <br /> initial and third minute rates-is less than 10 bpm,then the work�period shall be shortened by <br /> 33 percent and the rest period increased by 33 percent. All heart rate monitoring shall be <br />!� recorded on an Exposure Monitoring Log. Monitoring shall begin at the first rest break. <br /> I � <br /> i <br /> Heat Stress Reduction , <br /> { <br /> Recommendations to reduce heat stress include: <br /> l + Drink plenty of fluids (beyond thirst). Water is the best fluid to replace body fluid <br /> loss. <br /> Wear cotton undergarments to act as a wick to absorb moisture. <br /> �. Make adequate shelter available for taking rest breaks, (take as needed, to cool <br /> off). <br /> 1 sacDP-NtConmIlittgt"a[Shme"miectsLuJ71778407.aadoc 4-3 <br /> !2/7/00 <br />