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Table 4. 1 . Hazard Analysis Matrix <br /> i <br /> HAZARD TASKS <br /> t Observe Test Pit Advance <br /> Utility Excavation Borings / <br /> Clearance & Sampling Collect <br /> Samples <br /> Contaminants of X X <br /> Concern <br /> f Exposure <br /> Mechanical X X <br /> Equipment <br /> i <br /> Electrical X X <br /> Fire and Explosion X <br /> Heat/Cold Stress X X X <br /> Vehicular Traffic X X X <br /> Pedestrian Traffic X X X <br /> I <br /> Overhead Utilities X X <br /> Underground X X X <br /> f Utilities <br /> Noise/ X X X <br /> Insects <br /> 4.1 Chemical Hazards and Controls <br /> Potential effects of exposure to hazardous chemicals are dependent on several factors such as: <br /> toxicity of substance, time frame of exposure, concentration of substance producing the <br /> exposure, general health of the person exposed, and individual use of hazard reduction methods. <br /> j <br /> The identified chemical hazards at the site are primarily from volatile compounds in gasoline. <br /> The Material Safety Data Sheet (MSDS) for gasoline is included in Appendix B, and includes the <br /> HEALTH & SAFETY PLAN � BNawmber2W <br /> TREADWELL & ROLLO, INC. 2597. 11 MV-2 <br />