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. 2022 Feb 8;823:153720. doi: 10.1016/j.scitotenv.2022.153720

Fig. 7.

Fig. 7

Diurnal variations in the toluene to benzene ratio (T/B) in the three periods. The lower and upper boundaries of the box represent the 25th and 75th percentiles, respectively; the whiskers below and above the box indicate the 10th and 90th percentiles, respectively; the line within the box marks the median; and the dot represents the mean.