Laserfiche WebLink
Table C-1 Chemical Characteristics and Exposure Level Information <br />aParts per billion. <br />blonization potential in electron-volts (eV). <br />CCentury Organic Vapor Analyzer relative response to the compound in percent. <br />dThreshold Limit Value as time -weighted average (TWA) airborne concentration in parts per million, published by the American <br />Conference of Governmental Industrial Hygienists (ACGIH), 1989-1990. <br />elmmediately dangerous to life and health level, in parts per million, as an airborne concentration published by National Institute of <br />Occupational Safety and Health (NIOSH), Publication Number 85-114, September 1985. Ca = NIOSH recommends the substance <br />be treated as a potential human carcinogen. <br />fThe permissible exposure level (PEL) for benzene is 1 part per million, as established by OSHA and Cal/OSFIA regulations. <br />gOlfactory fatigue can cause inability to detect compounds by odor due to duration of exposure or concentration of compounds in air. <br />hParts per million. <br />iNA = not applicable. <br />JIDLH level in the presence of methane would be an oxygen content in air of less than 19.5% by volume. j <br />Highest <br />Concentration <br />OVAc <br />Detected in <br />Relative <br />IDLHe <br />Flammable <br />Odor <br />Chemical <br />Samples <br />IPb <br />Responses <br />TLV d <br />Level <br />Range <br />Concentration <br />Benzene <br />347 ppba <br />9.25 <br />150 <br />10(l )f <br />Cae <br />1.3-7.1% <br />4.68 ppm <br />Ethylbenzene <br />5,880 ppb <br />8.76 <br />100 <br />100 <br />2,000 <br />1.0-6.7% <br />0.25-200 ppm <br />Toluene <br />920 ppb <br />8.82 <br />100 <br />100 <br />2,000 <br />1.3-7.1% <br />0.17-400 ppmg <br />Xylene isomers <br />28,700 ppb <br />8.44/8.56 <br />111-116 <br />100 <br />1,000 <br />1.0-6.0% <br />0.47-3.7 ppmg <br />1.1-7.0% <br />Methane <br />200,000+ ppmh <br />14.2 <br />100 <br />NAt <br />NAj <br />5.53-14% <br />Odorless <br />aParts per billion. <br />blonization potential in electron-volts (eV). <br />CCentury Organic Vapor Analyzer relative response to the compound in percent. <br />dThreshold Limit Value as time -weighted average (TWA) airborne concentration in parts per million, published by the American <br />Conference of Governmental Industrial Hygienists (ACGIH), 1989-1990. <br />elmmediately dangerous to life and health level, in parts per million, as an airborne concentration published by National Institute of <br />Occupational Safety and Health (NIOSH), Publication Number 85-114, September 1985. Ca = NIOSH recommends the substance <br />be treated as a potential human carcinogen. <br />fThe permissible exposure level (PEL) for benzene is 1 part per million, as established by OSHA and Cal/OSFIA regulations. <br />gOlfactory fatigue can cause inability to detect compounds by odor due to duration of exposure or concentration of compounds in air. <br />hParts per million. <br />iNA = not applicable. <br />JIDLH level in the presence of methane would be an oxygen content in air of less than 19.5% by volume. j <br />