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Health and Safety Plan Cleanup and Abatement Order No_5-00-70.7 _ EAI Protect No 1232 system, and work breaks will be mandatory to reduce the potential for accidents and injuries to ' personnel 6 b 1 Heat Stress Sweating does not cool the body unless moisture evaporates from the skin Wearing personal protective equipment (PPE), should it be required, reduces the body's ability to eliminate large 1 quantities of heat since sweat evaporation is decreased Problems related to heat stress include heat fatigue, heat rash, fainting, heat cramps, heat ' exhaustion and heat stroke Heat rash occurs when sweat does not evaporate, causing the skin to be wet for an extended period of time Standing erect and immobile in heat also allows blood to pool to lower parts of the body As a result, blood does not return to the heart to be pumped to the brain Fainting may then occur Heat cramps are painful spasms of the muscles due to excessive salt loss associated with profuse sweating Losing large amounts of fluid and salt may result in heat exhaustion The skin will be clammy and moist Affected persons will also exhibit extreme wetness, giddiness, nausea and headache Heat stroke occurs when the body's temperature regulatory system has failed Symptoms of heat stroke include hot, dry, red and/or spotted skin The affected person may be mentally confused and delirious Convulsions also can occur Early recognition and treatment of heat stroke are the only means of preventing damage or death A person exhibiting signs of heat stroke should be removed from the work area to a shaded area A person exhibiting signs of heat stroke should be soaked with water to promote evaporation, and fanned to increase body cooling Increased body temperature and physical discomfort also promote irritability and a decreased attention to the performance of hazardous tasks • Early symptoms of heat-related health problems include • Decline in task performance 0 Lack of coordination • Decline in alertness • Unsteady walk • Muscle cramps • Dizziness People unaccustomed to heat are particularly susceptible to heat fatigue Workers using PPE for the first time need to gradually adjust to the heat Measures to avoid heat stress include • Define work-rest periods (short and frequent are more beneficial than long and seldom) r SAB 1232CAOHASP -11- ENVIRONMENTAL AUDIT, XNC