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2.0. HAZARDS, SPECIAL PRECAUTIONS <br /> 2.1. Special Precautions: <br /> During the course of excavation, workers'could be exposed to petroleum <br /> hydrocarbon vapors, liquids, or other wastes. The following <br /> precautions will be observed by all individuals engaged in the tank <br /> removal activity. <br /> 2.1.1. Toxicity considerations, Petroleum Substances: <br /> All individuals should be aware of appropriate health precautions. <br /> When high concentrations of petroleum hydrocarbon vapors are <br /> inhaled, symptoms of intoxication may result. These symptoms <br /> range from simple dizziness to unconsciousness. Care will be <br /> exercised to minimize exposure to these substances when they are <br /> present. Avoid skin contact with petroleum substances whenever <br /> possible. Use soap and water to remove any petroleum product <br /> that contacts skin. <br /> 2. 1.2. Flammability and Combustibility Consideration: <br /> Flammable and combustible vapors are likely to be present <br /> in the work area. Precautions will be taken to eliminate all <br /> potential sources of ignition, to prevent the discharge of <br /> static electricity during venting, and to prevent the <br /> accumulation of vapors. <br /> 2.1.3. Physical Considerations: <br /> During the excavation some physical hazards can be present, in the <br /> form of large holes, exposed piping, debris piles, and excavation <br /> equipment. All workers will be aware of these hazards and take all <br /> necessary actions to eliminate accidents, when left unattended the <br /> excavated area will be appropriately marked and barricaded at all <br /> times. <br /> k <br /> 5 <br /> i,' <br />