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Smith Environmental Site Safety Plan <br /> JOB HAZARD ANALYSIS AND SUMMARY Chemical Hazards <br /> Chemical PEL/STEL/IDLH Known Signs/Symptoms <br /> :(soil, water, air, etc. . . . Concentration <br /> ............. <br /> .......... <br /> 1,2 Benzene PEL 1 ppm currently 76 ppm Irritant to eyes, nose, lungs <br /> 0.1 ppm future (maximum) and skin; headaches, <br /> STEL 5 ppm bronchitis, fatigue, <br /> IDLH 2,000 ppm pneumonia, human <br /> carcinogen. <br /> 1,2 Toluene PEL 100 ppm 310 ppm Irritant to eyes, skin, <br /> STEL 150 ppm (maximum) digestive and respiratory <br /> IDLH 2,000 ppm track; central nervous <br /> system depression, <br /> headache, dizziness, <br /> f fatigue, nausea. <br /> 1,2 Ethylbenzene PEL 100 ppm Irritant to eyes, mucous <br /> STEL 125 ppm Unknown membranes; headache, skin <br /> IDLH 2,000 ppm rash, narcosis. <br /> 1,2 Xylenes PEL 100 ppm 250 ppm Irritant to skin, eyes, nose, <br /> STEL 150 ppm (maximum) and throat; nausea, <br /> IDLH 10,000 ppm drowsiness;dizziness, <br /> vomiting. <br /> 1,2 TPHG PEL 300 ppm 1700 ppm Irritant to eyes and lungs, <br /> (maximum) causes cough, conjunctive <br /> irritation, hallucinations, <br /> dermatitis, blistering, <br /> central nervous system <br /> C depression. <br /> 1,2 Lead STEL 0.1 mg/n3 7 ppm <br /> (maximum) <br /> PAGE 3 <br /> L <br />