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Symptoms of heat exhaustion and heat stress include: Profuse sweating or complete cessation of sweating; " Changes in skin color; " Increased respiration; " Vision problems, confusion; • Body temperatures in excess of 1000F; Increased heart rate. Any member of the work team who exhibits these symptoms should be immediately removed from the area and observed while resting in a shaded area after removal of impervious or restrictive clothing, and consumption of cool water or electrolyte fluid. If symptoms persist, immediate medical attention shall be sought. In cold ambient temperatures, especially when combined with high wind, follow hypothermia precautions, including frequent work breaks in a wind-sheltered area,wearing layers of insulating clothing,and avoiding getting wet from precipitation or perspiration. E. FIRE AND EXPLOSION HAZARDS: During the course of underground storage tank removal,drilling,or remediation of petroleum impacted soil or ground water there may be potential for fire and explosion of flammable vapors. Extreme caution should be taken to monitor for the presence of flammable vapors or conditions which could create flammable conditions. Explosimeters are available for this monitoring and action levels are defined in Section VI.B.3. page 9), Surveillance Equipment and Materials. Fire extinguishers must be available on all sites with the potential for flammable vapors or electrical fires (i.e.,systems, control panels). Use of fire extinguishers by employees trained in their use is limited to employee rescue,or for use on relatively small,controllable fres. Delta does not expect or require its employees to Sight fires. In the event of a fire or explosion, the following action plan should be followed: Shut down equipment immediately; Shut off all supply lines immediately; if this can be done safely. Evacuate the immediate area. At this point you may not know if you've started a soil vapor fire or if you're hit a supply line, natural gas line, etc. Tank, supply line, or remediation system fires are extremely hazardous and precautions must be taken to evacuate the area immediately. Call 911 to notify the fire department Delta employees are not trained fire brigades. Every fire should be treated as an emergency and even if the fire is extinguished by site personnel,professional fire departments should evaluate the situation to ensure the danger is over and that a fire will not reoccur. Evaluate the situation to identify the source of the flammable vapors and danger to employees, the public and property. From a safe distance try to determine if the fire is a supply line fire,soil vapor, electrical,or methane fire;this information should be communicated to the fire department Small fires from known sources (Le., engine fires, electrical panel fires etc.) may be extinguished if the employee can do it without high risk A soil vapor fire may eventually burn itself out Soil stockpiles must be placed away from nearby structures and property lines. Extinguishing fires in fuel vapor- laden soils with clean sod may be possible. Employees or subcontractors shall not enter the excavation to attempt to extinguish a fire. SHSP-92-IDPETR0 PAGE 12