Figure 2.
Mean air concentration for EC for exposed and unexposed workers (blue bars) (Data from Pronk, 2009) [35] and the general population (green line). The red line refers to the Italian OEL.
Mean air concentration for EC for exposed and unexposed workers (blue bars) (Data from Pronk, 2009) [35] and the general population (green line). The red line refers to the Italian OEL.