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April 14, 1993 Project No EK-6032_2 <br /> 0%� I <br /> 114SAW7 <br /> JOB HAZARD ANALYSIS AND SUMMARY <br /> Chemical Health Hazards <br /> Task(s) Chemical T,,A.LH Soil/Water, Known Signs/Symptoms <br /> Concentration <br /> Z Benzene 1.0 ppm/3000 ppm Unknown irritation of eyes, nose, <br /> respiratory track, nausea <br /> Toluene 100 ppm/2000 ppm Unknown weakness, confusion, <br /> dilated p1tils <br /> 1 Ethyl benzene 100 ppm/20 0 ppm Unknown irritation of eyes,nose, <br /> respiratory track,nausea <br /> 1 Total xylenes ppm/1 0 ppm Unknown dizziness,excitement, <br /> drowsiness,incoherence <br /> Attach Additional Pages as Necessary <br /> TWA: Tune-weighted average concentrations for up to a 10-hour work day during a 40 hour work week <br /> IDL 4: Immediately dangerous to life or health concentrations <br /> Physical Hazards <br /> Task(s) Hazard Mitigation Measure <br /> I Tri (Fall Keep work area free of potential trihazards <br /> 1 Underground Utilities Call USA <br /> 1 1 Overhead Utilities Work at least 10 feet from overhead lines. Use <br /> skid rigs if necess <br /> 2 <br />