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Table A-2
<br /> Chemical Exposure Limits and Characteristics Controls
<br /> OVA'relative PEL' Flammable Odor
<br /> response TLV`8- 8-hour IDLH° range threshold,
<br /> Constituent IP' percent hour TWA TWA level percent PPM Notes' Potential symptoms of exposures
<br /> Benzene 9.24 185 0.5 ppm 1 ppm 500 ppm 1.3-7.9 4.68 Ca, 65 irritation to eyes, nose, respiratory system,
<br /> giddiness, headache,nausea,staggered gait,
<br /> fatigue,anorexia, lassitude, dermatitis, bone
<br /> marrow, depression
<br /> Ethylbenzene 8.76 111 100 ppm 100 ppm 800 ppm 1.0-6.7 0.25-200 irritation to eyes,muscle membranes,
<br /> headache, dermatitis, narcosis,coma Alik
<br /> PAHs NA NA 50 mg/m' 0.2 mg/m' 500 ppm 0.9%-5.9% NA Irritation to eyes, skin,respiratory syste
<br /> (coal tar Carcinogen: lung, skin
<br /> itch
<br /> Toluene 8.82 126 50 ppm 200 ppm 500 ppm 1.2-7.1 0.1740 fatigue,weakness, confusion, euphoria,
<br /> dizziness, headache, dilated pupils, lassitude,
<br /> nervousness,muscle fatigue, insomnia,
<br /> paresthesia,dermatitis
<br /> Xylene 8.56 111 100 ppm 100 ppm 900 ppm 1.0-7.0 0.05-200 dizziness, drowsiness, excitement,
<br /> incoherence, staggered gait,irritation to eyes,
<br /> nose,throat, corneal vacuolization, anorexia,
<br /> nausea,vomiting,abdominal pain,dermatitis
<br /> 'Ionization potential in electron-volts.
<br /> b Century Organic Vapor Analyzer relative response to the compound in percent with methane calibration.
<br /> `Threshold Limit Value as the airborne 8-hour TWA established by the American Conference of Governmental Industrial Hygienist(ACGIH),1999.
<br /> 'Permissible Exposure as the airbome 8-hour TWA established by the OSHA.
<br /> `Immediately Dangerous to Life and Health level as published in the National Institute for Occupational Safety and Health(NIOSH),Pocket Guide to Chemical Hazards,1994 edition.
<br /> Hazard category;Ca-Carcinogen;C Ceiling;S-Skin absorption;65-Proposition 65 chemicals known to the State of California to cause cancer or reproductive hams.
<br /> s Sources: NIOSH Pocket Guide to Chemical Hazards,June, 1994;Amdur,Mar O;Doull,John;Klaassen,Curtis,D.,Toxicology,The Basic Science of Poisons,fourth Edition,1993•
<br /> and Merk&Co.Inc. The Merk Index,1996.
<br /> h IP varies with chromium compound.
<br /> Notes:
<br /> NA - not applicable or not available NE=not established
<br /> NC= noncombustible NF =non-flammable
<br /> PAHs=polyaromatic hydrocarbons
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