Toluene permissible exposure levels

Photocatalytic research has explored benzene destruction [3-7] because of its carcinogenic properties and low permissible exposure limits. However, these properties also impose limits on the industrial use of benzene, so other aromatics, particularly toluene, are used more often and might be present at higher levels in... 

Figure 8. Seventy-six sensor beads (Jupiter C4/Nile Red) monitored to show that the average responses for three consecutive 0.38-s exposures of 50% saturated vapor levels result in reproducible and high-speed response profiles. The sensors are positioned on the distal tip of an optical imaging fiber and relative analyte concentrations are 0.5 and 18700 ppm for 1,3-DNB and toluene, respectively. Reprinted with permission from ref 12a. Copyright 2000 American Chemical Society.

Tardif et al. (1997) developed a physiologically based pharmacokinetic model for zneio-xylene in rats and humans. They also simulated interactions between weto-xylene, toluene and ethylbenzene, and showed that for exposures at air concentrations remaining within the permissible range for a mixture, biologically significant interactions at the pharmacokinetic level would not occur. 

---