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Specific Hazards: Petroleum hydrocarbon contaminated groundwater and/or soil <br />including residual petroleum hydrocarbon products (gasoline, <br />diesel, and motor oil/grease), stodard solvents, and MTBE. <br />Over exposure to petroleum hydrocarbons and/or its constituent <br />vapors can be characterized by eye and nose irritation, along <br />with respiratory effects. Giddiness, headache and nausea are <br />also signs of overexposure. If overexposure is suspected, leave <br />area immediately and get fresh air. If symptoms persist, seek <br />medical attention. <br />Flammable/combustible material; may be ignited by heat, sparks <br />or flames. Vapors may travel to a source of ignition and <br />flashback. Container may explode in heat of fire. Vapor <br />explosion hazard indoors, outdoors or in sewers. Runoff to <br />sewer may create fire or explosion hazard. <br />May be poisonous if inhaled or absorbed through skin. Vapors <br />may cause dizziness or suffocation. Contact may irritate or burn <br />skin and eyes. Fire may produce irritating poisonous gases. <br />Runoff from fire control or dilution water may cause pollution. <br />Protective Measures: Locate emergency telephone numbers and route to hospital prior <br />to starting any work. Notify site manager of your presence at <br />the site and your field plans. Prior to work on-site, you must <br />conduct a safety briefing with your sub -contractors. This shall <br />include informing them of the hazards associated with site work, <br />and the chemicals anticipated. <br />Set up decontamination area upwind of the drilling site. This <br />means get water and cleaning solution in your buckets to wash <br />off your boots and gloves prior to beginning work. You want to <br />set up the decontamination area at a sufficient distance from the <br />excavation or boring work to be reasonably sure you are not in <br />an area that can become contaminated by splashing water or <br />flying dirt. Your support area is where you park the truck, etc, <br />It is the place you need to consider as clean. You do not want <br />to make it "dirty" by any of your activities. It is anticipated that <br />work will start in Level D, but be prepared to up -grade or leave <br />the site. <br />CAPROJ1 CMEANTAWASP.DOC <br />-6- <br />