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00 *0 <br />Page 5 <br />HAZARDS, SPECIAL PRECAUTIONS <br />2.0 Hazards, Special Precautions: <br />2.1 Special Precautions: <br />During the course of underground storage tank: <br />removal, workers could be exposed to petroleum <br />hydrocarbon vapors, liquids, or other wastes. The <br />following precautions will be observed by all <br />individuals engaged in the tank removal activity. <br />2.1.1 Toxicity Considerations, Petroleum Substances: <br />All individuals should be aware of appropriate <br />health precautions. When high concentrations of <br />petroleum hydrocarbon vapors are inhaled, symptoms <br />of intoxication may result. These symptoms, rang <br />from simple dizziness to unconsciousness. Care <br />will be exercised to minimize exposure to these <br />substances when they are present. Avoid skin <br />contact with petroleum substances whenever <br />possible. Use soap and water to remove any <br />petroleum product that contacts skin. <br />2.1.2 Flammability and Combustibility Consideration: <br />Flammable and combustible vapors are likely to be <br />present in the work area, precautions will be <br />taken to eliminate all potential sources of <br />ignition, to prevent the discharge of static_ <br />electricity during venting, and to prevent the <br />accumulation of vapors. <br />2.1.3 Physical Considerations: <br />During the excavation of underground storage tanks, <br />some physical hazards can be present, in the form <br />of large holes, exposed piping, debris piles, and <br />excavation equipment. All workers will be aware of <br />these hazards and take all necessary actions to <br />eliminate accidents, when left unattended the <br />excavated area will be appropriately marked and <br />barricaded at all times. <br />