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Potential materials hazards to worker <br /> Contact with hydrocarbon fuels and solvents may result ,n dermal irritation due to desiccation <br /> Inhalation of vapors may result in oxygen deficiency and/or mucus membrane irritation Mixtures <br /> of air and hydrocarbon fuels may reach explosive concentrations thus presenting an explosive <br /> hazard <br /> Potential site physical hazards Movement of heavy equipment, underground utilities, vehicles, <br /> overhead utilities <br /> First Aid- <br /> Fuel Hydrocarbons Eyes Rinse thoroughly <br /> Tetrachloroethylene Skin Soap wash <br /> Inhalation Fresh Air <br /> Ingestion Medical attention <br /> Exposure limits Fuel Hydrocarbons - 100 ppm/8 hrs , 350 ppm/15 min excursion <br /> Flashpoint Fuel Hydrocarbons - 100° F <br /> Flammability limits Diesel Fuel L E L = 0 7%, U E L = 5 0% <br /> Gasoline L E L = 1 3%, U E L = 6 0% <br /> Octane L E L = 1 0%, U E L = 5 0% <br /> Hazard type Liquid ( X ) Solid ( ) Sludge ( ) Vapor/Gas ( X ) <br /> Hazard level High ( ) Moderate ( ) Low ( 1 Unknown ( X ) <br /> Characteristics Corrosive ( ) Ignitible ( X } Toxic ( ) <br /> Reactive ( ) Volatile ( X ) Radioactive ( ) Biological Agent ( ) Toxicity ( } <br /> Chemical name TLV/PEL 1DLH. <br /> Benzene 0 5 mg/cubic meter 3000 ppm <br /> Site monitoring equipment (include calibration standards) <br /> i <br /> Organic Vapor Analyzer, Calibrated to 500 PPM Hexane and Draeger Tubes <br /> I <br /> Heat stress conditions Yes ( ) No ( X ) <br /> Dust monitoring Yes ( ) No ( X) <br /> Air monitoring protocol Monitor at the breathing zone next to the person closet to the potential <br /> contamination <br /> Conditions for suspension of operations 100 ppm total hydrocarbons in ambient air <br /> 3 - <br />