938703.fig.002a
(a)
938703.fig.002b
(b)
Figure 2: Boxplot of combined GC-MS and gravimetric datasets of TPH concentrations (mg kg−1 dry soil) at the windward and leeward sides depending on the distance from road, Traktorostroiteley avenue; bold lines: median values, boxes: upper and lower quartiles, whiskers: data ranges, and circles: outliers.