Laserfiche WebLink
Table C-1 Chemical Characteristics and Exposure Level Information <br />Chemical <br />Highest <br />Concentration <br />Detected in <br />Samples <br />W <br />OVA` <br />Pektive <br />Responm <br />TLV° <br />IDLH° <br />Flammable <br />Range <br />Odor <br />Concentration <br />Benzene <br />347 ppb° <br />9.25 <br />150 <br />10(1)f <br />Ca! <br />1.3-7.1% <br />4.68 ppm <br />Ethyl- <br />2,000 <br />benzene <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 />I m <br />1.3-7.1% <br />0.17400 ppm$ <br />Xylene <br />isomers <br />28,700 ppb <br />8.44/8.56 <br />111-116 <br />100 <br />""j <br />1.1-7.0% <br />0.473.7 ppmg <br />Methane <br />200,000+ <br />14.2 <br />100 <br />NAi <br />5.53-14% <br />Odorless <br />PPmh <br />$Parts per billion. <br />'Ionization potential in electron-volts (eV). <br />°Century 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 <br />American Conference for Governmental Industrial Hygienists (ACGGIH), 1989-1990. <br />`Immediately dangerous to life and health level, in parts per million, as an airborne concentration published by National <br />Institute of Occupational Safety and Health (NIOSH), Publication Number 85-14, September 1985. Ca = NIOSH <br />recommends the substance be treated as a potential human carcinogen. The permissible exposure level (PEL) for benzene <br />is 1 part per million, as established by OSHA and Cal/OSHA regulations. <br />901factory fatigue can cause inability to detect compounds by odor due to duration of exposure or concentration of <br />compounds in air. <br />'Parts per million. <br />'NA = not applicable. <br />jIDLH level in the presence of methane would be an oxygen content in air of less than 19.5% by volume. <br />