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v <br /> w.. m <br /> Table 3. Chemical Characteristics and Exposure Level Information <br /> Highest <br /> concentration OVAc <br /> detected in relative <br /> Chemical samples 1pb resd IDI-He Flammable Odor <br /> response TLV level <br /> range concentration <br /> Benzene j 4.2 ppmtt 9.25 - a <br /> 150 I0{1}f e <br /> Ca1.3-7.1% <br /> 4.6& m r <br /> Toluene 63.0 ppm 8.82 100 PP <br /> 100 2.000 1.3-7.1% 0.17-40 ppmg <br /> Xylene ! <br /> isomers <br /> 164.0 ppm &.44/8.56 1I1-116 100 1,000 <br /> j 1.0-6.0% 0.47-3.7 ppmg <br /> i <br /> 1.1-7.0% <br /> "Parts per million. <br /> blonization poteiitial in electron-volts (eV). <br /> 'Century Organic Vapor Analyzer relative response to the compound in percent. I <br /> dThreshold Limit Value as the time-weighted average (TWA) concentration in partser million <br /> Conference of Governmental Industrial Hygienists (ACGIH), 1987-1988. P , published by the American <br /> elmmediately dangerous to life and health level in parts per million, as published by National Institute of <br /> find Health (OSHA), Publication Number 85-114, September 1985. Ca = Carcinogen. Occupation 5afaty <br /> The permissible!exposure level (PEL) for benzene is I parts per million, as established by OSHA and Cal/OSHA ren <br /> bOlfactory fatigue can cause inability to detect compounds by odor due to duration of exposure or conteregulations. <br /> compounds in air. concentration of <br /> i <br /> i <br /> i <br /> a <br /> i 1 <br /> I W <br /> ! <br /> !w f <br />