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4.2.1.3 Heat Exhaustion <br />Heat exhaustion occurs from increased stress on various body organs including <br />inadequate blood circulation due to cardiovascular insufficiency or dehydration. Heat exhaustion <br />can cause cool, moist skin, heavy sweating, dizziness, and nausea and fainting. <br />4.2.1.4 Heat Stroke <br />Heat stroke is the most serious form of heat stress. Temperature regulation fails and the <br />body temperature rises to critical levels (>102). Immediate action must be taken to cool the body <br />before serious injury and death occurs. Competent medical help must be obtained. Heat stroke <br />can cause red, hot, unusually dry skin. Symptoms include lack of, or reduced perspiration, <br />nausea, dizziness, confusion, and a strong rapid pulse and coma. <br />4.2.1.5 Heat Stress Monitoring Procedures <br />During the day-to-day fieldwork, the Project Manager, Site Safety and Health Officer, <br />and workers will be alert for the signs and symptoms of heat stress. An increased risk of this <br />hazard exists when individuals are required to work in warm temperatures while wearing <br />protective equipment. <br />The Site Safety and Health Officer will monitor the ambient air temperature 'using a <br />thermometer located in the support zone. Ambient temperatures will be checked three times <br />daily, once in the morning and twice in the afternoon. Monitoring of all of the field <br />crewmembers will be conducted when ambient temperatures exceed 85° F. <br />4.2.1.6 Heat Stress Reduction <br />The following recommendations will help reduce heat stress. Their applicability is <br />dependent on evaluating the conditions particular to a specific project. <br />0 <br />