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Kennedy/Jenks Consultants <br /> TABLE 3 <br /> CHEMICAL ALLOWABLE EXPOSURE VALUES AND EXPOSURE SYMPTOMS <br /> (K/,1 940549.00) <br /> TLV' <br /> CHEMICAL TWA WJE EXPOSURE 5YMPIQMS TARGET QRGANSïż½ <br /> Benzene 10 ppm 5 ppm 1 ppm Irritant to eyes, nose respiratory Skin, liver, kidneys, respiratory <br /> 50 ppm/10-min max system nausea system, cardiovascular system, <br /> central nervous system <br /> Ethylbenzene 100 ppm 125 ppm 100 ppm Irritant to eyes, mucous Skin, liver, kidneys, respiratory <br /> membranes, dermatitis, narcosis system, cardiovascular system, <br /> coma central nervous system <br /> Toluene 100 ppm/10-hr 150 ppm 100 ppm Fatigue, weakness, confusion, Central nervous system, liver, <br /> 200 ppm/10-min 300 ppm ceiling euphoria, dizziness, headache, kidneys, skin <br /> dilated pupils <br /> Xylene 100 ppm 150 ppm 100 ppm Dizziness, excitement, vomiting Central nervous system, eyes, GI <br /> tract, blood, liver, kidneys, skin <br /> Gasoline 300 ppm 300 ppm Vomiting, dizziness, headache, Central nervous system, eyes, liver, <br /> diarrhea, insomnia kidneys, skin, respiratory system <br /> Notes: <br /> ' TLV-TWA = Threshold Limit Value- 8 hr. Time Weighted Average <br /> STEL = Short Term Exposure Limit C <br /> American Conference of Governmental Industrial Hygienists. Threshold Limit Values (TLV) and Biological Exposure indices for 1988-1989. <br /> TLV- TWA reported in ppm represents parts of vapor per million parts of air by volume at 25°C and 760 Torr. TLV- TWA reported in mg/m represents milligrams of <br /> substance per cubic meter of air. <br /> PEL = Federal OSHA {29 CFR 1910 Subpart Z} Permissible Exposure Level based on 8 hour time weighted average. U.S. Department of Health and Human Services. <br /> NIOSH Pocket Guide to Chemical Hazards. February 1987. <br /> 3 Sittig, Marshall. 1985. Handbook of Toxic and Hazardous Chemicals and Carcinogens. Park Ridge, New Jersey. Noyes Publications. <br /> g:YJohs1910557.001H S Sp1m%1Phlaa <br /> 940549.00 <br />