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Health & Safety Plan at Rally's Stockton page 4 <br /> * Fire Hazards. Possible rupture of buried petroleum pipe lines, flammable <br /> petroleum Hydrocarbons, equipment fires, <br /> * Acoustical Hazards. Exposure to excessive noise created by excavation <br /> operations, and <br /> * Routine Hazards in the laboratory. <br /> Job hazard analyses associated with each major work activity are presented in <br /> the following sections. <br /> 4.1 Hazard Evaluation: Borehole Drilling/Backhoe Excavation <br /> * Chemical Hazards: <br /> Exposure to various chemical substances, including but not limited to <br /> petroleum hydrocarbon liquids and vapors, caustic and acidic mists, and <br /> liquid and solid material may be encountered. Caution is required to limit <br /> the potential for fire/explosion and health hazards associated with these <br /> chemicals. <br /> * Physical Hazards: <br /> Equipment, or hydrocarbon fires; being hit by equipment; becoming <br /> entwined in rotating tools; falling objects; exposure to excessive noise <br /> and exposure to outside temperature extremes. <br /> 4.2 Hazard Evaluation: Solid Materials Sampling <br /> Solid materials will be collected for analysis from the excavations by soil core <br /> hammer sample techniques. Some of these samples may contain high levels <br /> of hazardous materials creating the potential for chemical inhalation exposure <br /> and skin contact. These activities may pose one of the greatest risks of <br /> chemical exposure for the site assessment workplan. Appropriate worker <br /> training and protective measures will be enforced to control this health hazard <br /> potential. <br /> 4.3 Hazard Evaluation: Noise <br /> When working around mechanical drilling equipment the potential exists for <br /> exposure to excessive noise. If the noise levels are determined to exceed 85 <br /> DBA for 8 hours per day, all individuals will be provided with ear plugs or ear <br /> muffs. <br />