Time (min) 20 cm 40 cm Inhalation chamber
Average (ppm) SD Average (ppm) SD Average (ppm) SD
5 917.0 54.4 841.7* 123.8 579.9 13.2
10 637.7 38.6 618.4 34.4 585.5* 15.3
15 278.1 13.6 280.9 11.8 344.1* 8.9
20 136.9 11.9 138.9 7.3 234.2* 7.4
25 79.6 11.1 79.1 5.1 112.5* 6.0
Last 35 34.6 7.2 34.2 3.8 17.5* 3.4
*Concentration used for PBPK modeling of BELs
Table 2: Average values of concentrations measured at 5-minute intervals for 60 minutes following varnish application in the inhalation chamber. Experiment was repeated 4 times.